TM Commercial Condensing Gas-fired water boilers Boiler Manual s )NSTALLATION s -AINTENANCE s 3TARTUP s 0ARTS This manual must only be used by a qualified heating installer/service technician. Read all instructions, including this manual and all other information shipped with the boiler, before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death or substantial property damage.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual The SlimFit™ Commercial Condensing Water Boiler 3LIM&IT MODEL NUMBERS Left-hand boilers (cleanout access Right-hand boilers (cleanout access on left side when facing burner end) on right side when facing burner end) 3& , — 1000 MBH input 3& , — 1500 MBH input 3& , — 2000 MBH input 3& 2 — 1000 MBH input 3& 2 — 1500 MBH input 3& 2 — 2000 MBH input #AST ALUMINUM SECTIONAL HEAT EXCHANGER Heat exchanger can be su
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual The SlimFit™ Commercial Condensing Water Boiler (Model SF1000 shown) Configuration options Electrical panel components (Order boiler as left-hand or right-hand) ,EFT HAND SUFlX , r Cleanout panel access is on the left side when viewed from the burner end. r Control display is factory-mounted on front (cleanout access side), but can be field relocated on burner end as instructed in this manual.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Contents Contents . . . . . . . . . . . . . . . . . . . 4 Hazard definitions . . . . . . . . . . . . . . . 4 0LEASE READ BEFORE PROCEEDING . . . . . . . . . . 0REPARE BOILER LOCATION . . . . . . . . . . . . . 6 0REPARE BOILER . . . . . . . . . . . . . . . . )NSTALL WATER PIPING . . . . . . . . . . . . . . -ULTIPLE BOILER WATER PIPING . . . . . . . . . . 6ENTING COMBUSTION AIR GENERAL $/ .
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Please read before proceeding )NSTALLER— Read all instructions, including this manual and all other information shipped with the boiler, before installing. Perform steps in the order given. 5SER — This manual is for use only by a qualified heating installer/service technician. Refer to User’s Information Manual for your reference. 5SER — Have this boiler serviced/inspected by a qualified service technician, at least annually.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Prepare boiler location Installations must comply with: r Local, state, provincial, and national codes, laws, regulations and ordinances. r National Fuel Gas Code, ANSI Z223.1/NFPA54 – latest edition. r Standard for Controls and Safety Devices for Automatically Fired Boilers, ASME CSD-1, when required. r National Electrical Code. r For Canada only: CAN/CSA B149.1 Installation Code, CSA C22.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Prepare boiler location (continued) Openings in floors, walls, ceilings or roofs must be designed for fire stopping as required by local codes. Vent pipe openings through combustible materials must be 3/8” larger in diameter than the vent pipe. Air pipe openings should be 3/8” larger in diameter than the pipe or as required by the pipe manufacturer. Clearance requirements Clearances from combustible materials 1.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Prepare boiler location (continued) — Boiler Manual Verify that boiler placement and clearances comply with all applicable codes. Placing multiple boilers 1. Locate multiple boilers in boiler room to provide the clearances shown in: a. Figure 4 (side-to-side), or b. Figure 6 (mirror-image mounting). c. Other layouts can be used if all required clearances are maintained. 2. Provide indicated clearances around boilers for access and servicing.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Prepare boiler location (continued) &IGURE — Boiler Manual Verify that boiler placement and clearances comply with all applicable codes.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Prepare boiler Provide air openings to room Air openings — General Follow the National Fuel Gas Code (U. S.) or CAN/CSA B149.1 (Canada) and all applicable codes to size/verify size of the combustion/ventilation air openings into the space. See the venting instructions section of this manual for required air openings and sizing for either direct vent or direct exhaust installation. Air openings — SlimFit boiler alone in boiler room 1.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Prepare boiler (continued) Cold weather handling — If boiler has been stored in a very cold location (below 32°F) before installation, handle with care until the plastic components come to 1. See Figure 8 for the following. 2. Move the crate to a solid, level surface. room temperature. 3. There must be room at the piping end to place the ramp and roll the boiler down off the crate pallet. 4HE BOILER IS HEAVY.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Prepare boiler (continued) Placing the boiler 1. Roll the boiler down the ramp and move the boiler into position. Use only the jacket corner posts to manipulate the boiler. 2. The piping end casters are swivel type. The burner end casters are fixed. 3. Adjust the leveling legs down until they are firmly in contact with the floor. 4. Continue adjusting the legs down until all the bottom of the boiler base is 5¼ inches above the floor.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Prepare boiler (continued) 3. Attach a water supply and hand pump to the lower valves. 4. Attach a drain line to the upper valve. 5. Remove the pressure & temperature gauge from the trim box shipped with the boiler. 6. Remove the factory-installed plug from the ½-inch tapping on top of the boiler supply pipe. 7. Apply pipe dope to the P/T gauge and install in the ¼” tapping as shown.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping Use two wrenches when tightening water piping at boiler, using one of the wrenches to prevent the boiler interior piping from turning. Failure to support the boiler piping connections to prevent them from turning could cause damage to boiler components.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping (continued) Recommended pipe sizing DO NOT design for flow rates above or below the range listed in Figure 13. The boiler and system components can be damaged by excessive or insufficient flow. Temperature rises shown below apply to water only. For glycol/water applications, the temperature rise will be different, but the flow rate must be maintained within the range listed below.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping (continued) Expansion tank and make-up water 1. Ensure expansion tank size will handle boiler and system water volume and temperature. See page 126 for boiler water content. &IGURE Expansion tank piping — diaphragm-type expansion tank To system 8 7 2. Tank must be located as shown in this manual, or following recognized design methods. See tank manufacturer’s instructions for details. 3.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping (continued) Zoning with zone valves — primary/ secondary piping &IGURE Zone valve zoning plus optional DHW piping 1. When using a closed-type expansion tank, connect the expansion tank and make-up water piping as shown in Figure 15, page 16. 2. Connect DHW (domestic hot water) piping to indirect storage water heater as shown. Connect from the DHW tank aquastat to the DHW terminals on the SlimFit boiler.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping (continued) Zoning with zone valves — primary/ secondary piping — alternate method for High-flow-rate/high-head-loss DHW circuits &IGURE Zone valve zoning plus optional DHW piping 6 1. For applications requiring DHW circuit flow rates higher than allowable for the boiler, or for high pressure-drop coil-type DHW tanks, connect the piping as in Figure 17.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping (continued) Zoning with pumps — primary/secondary piping &IGURE Pump zoning plus optional DHW piping — primary/secondary piping 6 1. Connect boiler to system as shown in Figure 18 when pump zoning. The boiler pump cannot be used for a zone. It must supply only the boiler loop. 2. Install a separate pump for each zone. 3.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping (continued) Radiant heating applications &IGURE Typical radiant heating system piping plus optional DHW 1. The SlimFit boiler is ideal for use in radiant heating. The SlimFit boiler’s unique heat exchanger design allows it to work well even in condensing mode. So there is no need to regulate boiler return water temperature in radiant heating applications. 2.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install water piping (continued) Chilled water systems — primary/secondary piping &IGURE Chilled water system plus optional DHW piping — primary/secondary piping 6 1. Install boiler so that chilled medium is piped in parallel with the heating boiler. Use appropriate valves to prevent chilled medium from entering boiler. See Figure 20 for typical installation of balancing valve and check valve. 2.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Multiple boiler water piping Multiple boiler piping 1. Primary/secondary piping a. Use only primary/secondary piping, as shown on the following pages. b. Primary/secondary piping ensures flow only through operating boilers. 2. Provide a flow/check valve in the supply piping of each boiler as shown in piping diagrams in this manual. Install an isolation valve on the supply and return of each boiler as shown. 3.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Multiple boiler water piping (continued) &IGURE Piping schematic — typical piping for multiple SlimFit boilers, using multiple boiler manifolds 8 pipe diameters max 30 5 5 3-inch piping min. 5 3-inch piping min. 25 3-inch piping min. 25 3-inch piping min.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Multiple boiler water piping (continued) &IGURE Piping layout — typical piping for multiple SlimFit boilers, using multiple boiler manifolds r Use 3” or larger piping for all connections between boilers and manifolds. r Follow all sizing guidelines on page 15. Pumps must provide flow rates required. r Use recognized engineering design practices throughout.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Multiple boiler water piping (continued) &IGURE Piping layout — typical piping for multiple SlimFit boilers, with multiple DHW storage heaters connected as a secondary circuit r Use 3” or larger piping for all connections between boilers and manifolds. r Follow all sizing guidelines on page 15. Pumps must provide flow rates required. r Use recognized engineering design practices throughout.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Multiple boiler water piping (continued) &IGURE Piping layout — typical piping for multiple SlimFit boilers, with DHW storage heater (or heaters) direct-piped to one of the boilers 19 36 2 30 9 30 8 1 13 4 18 2 2 5 1 2 7 4 6 2 17 3 1 2 25 5 2 2 3 17 25 2 25 17 3 37 2 2 21 27 DHW tanks piped using this arrangement need to be sized for the required load, with a DHW pump selected to provide a flow rate thr
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Multiple boiler water piping (continued) &IGURE Piping layout — typical piping for multiple SlimFit boilers, using isolation exchanger 9 Use an isolation heat exchanger for: r Large volume systems with high mineral content in water. r Systems exposed to untreated quantities of makeup water.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Venting/combustion air — general There are two venting methods available. Follow the instructions on the following pages for the method used.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Venting/combustion air — general (continued) Combustion air contamination 1. $IRECT EXHAUST (combustion air from boiler room): a. Provide combustion air openings to boiler room as described in this manual. b. Ensure the boiler room and combustion air source areas are free of contaminants. 2. $IRECT VENT (combustion air piped from outside): a. Install air inlet piping for the SlimFit boiler as described in this manual. b.
COMMERCIAL CONDENSING GAS-FIRED WATER BOILER SlimFit™ — Boiler Manual Venting/combustion air — options &IGURE SlimFit boiler venting and air piping — OPTIONS and PIPING LIMITS — The table below lists the acceptable vent/air pipe terminations described in this manual.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Venting/combustion air — options (continued) &IGURE Vent and air piping materials — Use only the materials listed below, ensuring that all materials meet local codes (see Figure 108, page 115 for vent/air part/kit numbers) )TEMS -ATERIAL 0OLYPROPYLENE 3UPPLIER -ANUFACTURER 5NITED 3TATES Canada Duravent / M&G – Polypro Certified for Category IV and direct vent appliance venting Certified for Category IV and direct vent applian
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER &IGURE PVC — Boiler Manual Exhaust ONLY after 10 linear feet, Both 5 feet lengths of pipe CPVC PVC can only be used on the exhaust of a boiler after 10 linear feet of CPVC pipe. All fittings within the first 10 feet must be CPVC.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Venting/air piping — Massachusetts installations Venting instructions for the installations in the Commonwealth of Massachusetts (a) For all sidewall horizontally-vented gas-fueled equipment installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven (7) feet above finished
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT EXHAUST — Boiler room air openings Combustion air provision Special considerations The SlimFit Commercial boiler can use inside air if no contaminants are present in the boiler space. (If contaminants are likely to be present, install the boiler as a direct vent appliance, using the appropriate vent instructions in this manual.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT EXHAUST — Boiler room air openings (continued) &IGURE MINIMUM combustion air openings for direct exhaust applications — !,, /0%.).' 3):%3 !2% &2%% !2%! Air openings The required air opening sizes below are FREE AREA, after reduction for louver obstruction. Note the exception below for large spaces.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT EXHAUST — Termination location &IGURE $)2%#4 %8(!534 ).34!,,!4)/.3 — Requirements for termination location — clearances and placement Vent Termination Locations – the minimum distance from adjacent public walkways, adjacent buildings, openable windows and building openings shall not be less than those values specified in the National Fuel Gas Code, ANSI Z223.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT EXHAUST — Sidewall &IGURE Sidewall direct exhaust termination 5SE ONLY THE VENT MATERIALS AND KITS listed in &IGURE PAGE . Read and follow all instructions in this manual. $/ ./4 PROCEED WITH VENT INSTALLATION UNTIL YOU HAVE READ PAGE through page 36. Locate the termination such that the total vent piping from the boiler to the termination WILL NOT EXCEED THE MAXIMUM LENGTH GIVEN IN &IGURE PAGE .
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT EXHAUST — Sidewall (continued) 2. Vent pipe penetration: a. Cut a hole for the vent pipe. b. For combustible construction, size the vent pipe hole at least 3/8” larger than the vent pipe diameter, or larger if specified by the vent manufacturer. c. For noncombustible construction, size the opening per vent manufacturer instructions. d. Insert a corrosion-resistant metal thimble in the vent pipe hole as shown in Figure 34. e.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT EXHAUST — Vertical &IGURE Vertical direct exhaust termination 5SE ONLY THE VENT MATERIALS AND KITS listed in &IGURE PAGE . Read and follow all instructions in this manual. $/ ./4 PROCEED WITH VENT INSTALLATION UNTIL YOU HAVE READ PAGE through page 36. Locate the termination such that the total vent piping from the boiler to the termination WILL NOT EXCEED THE MAXIMUM LENGTH GIVEN IN &IGURE PAGE .
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Boiler room air openings Combustion/ventilation air provision Exhaust fans and air movers For direct vent installations, combustion air must be ducted directly from outside to the SlimFit boiler air intake fitting. Two options are available: sidewall or vertical direct vent.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Boiler room air openings (continued) &IGURE MINIMUM combustion air openings for direct vent applications — !,, /0%.).' 3):%3 !2% &2%% !2%! Air openings SlimFit boiler WITH other appliances in room The required air opening sizes below are FREE AREA, after reduction for louver obstruction. Note the exception below for large spaces.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Termination location &IGURE $)2%#4 6%.4 ).34!,,!4)/.3 — Requirements for termination location — clearances and placement Vent Termination Locations – the minimum distance from adjacent public walkways, adjacent buildings, openable windows and building openings shall not be less than those values specified in the National Fuel Gas Code, ANSI Z223.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Sidewall &IGURE Sidewall direct vent terminations — vent and air 5SE ONLY THE VENT AIR MATERIALS AND KITS listed in &IGURE PAGE . Read and follow all instructions in this manual. $/ ./4 PROCEED WITH VENT AIR INSTALLATION UNTIL YOU HAVE READ PAGE through page 33 and PAGE through PAGE .
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Sidewall (continued) 3. Vent pipe penetration: a. Cut a hole for the vent pipe. b. For combustible construction, size the vent pipe hole at least 3/8” larger than the vent pipe diameter, or larger if specified by the vent manufacturer. c. For noncombustible construction, size the opening per vent manufacturer instructions. d. Insert a corrosion-resistant metal thimble in the vent pipe hole as shown in Figure 34. e.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Vertical &IGURE Vertical direct vent terminations (air termination can be vertical or sidewall as shown below) 5SE ONLY THE VENT AIR PIPING MATERIALS AND KITS LISTED IN &IGURE PAGE . Read and follow all instructions in this manual. $/ ./4 PROCEED WITH VENT AIR PIPING INSTALLATION UNTIL YOU HAVE READ PAGE through page 33 and PAGE through PAGE .
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Vertical (continued) Install vent and air terminations 1. Air pipe penetration a. Cut a hole for the air pipe, sized per the vent/air pipe manufacturer’s instructions. 2. Vent pipe penetration: a. Cut a hole for the vent pipe. b. For combustible construction, size the vent pipe hole at least 3/8” larger than the vent pipe diameter, or larger if specified by the vent manufacturer. c.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual DIRECT VENT — Vertical (continued) &IGURE Termination location — multiple boilers — vertical vent/sidewall air 6%.4 0)0).' THROUGH ROOF !)2 0)0).' SIDEWALL -ULTIPLE BOILER APPLICATIONS — Space vents minimum 6 inches apart. Space air terminations minimum 6 inches apart.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Install condensate components Assemble condensate trap &IGURE Condensate trap assembly 1. Remove condensate trap parts from the trim bag. 2. See Figure 49. Slip the flexible coupling (item 4) over the trap outlet as shown. 3. Slide the two hose clamps over the flexible coupling. 4. Tighten one clamp to secure the coupling to the condensate trap. 5.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Gas piping $/ ./4 CONNECT THE 3LIM&IT BOILER TO A PROPANE SUPPLY. The boiler is suitable for firing ONLY natural gas. Failure to comply could result in severe personal injury, death or substantial property damage. Connecting gas supply piping 1. See Figure 52. 2. Connect gas supply piping to the boiler. a. Install a union for servicing, when required. b.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Gas piping (continued) Pipe sizing 1. Size gas supply piping from meter outlet to entrance of boiler in accordance with Figure 54 and Figure 55. 2. Use the total input of all connected appliances. Divide the total input in Btuh by 1,000 to obtain approximate cubic feet per hour of natural gas. a. Pipe lengths in Figure 54 are equivalent lengths of straight pipe. Use Figure 55 to determine equivalent length of fittings. b.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Field wiring — Boiler Manual (see &IGURE &IGURE %,%#42)#!, 3(/#+ (!:!2$ — For your safety, turn off electrical power supply at service entrance panel before making any electrical connections to avoid possible electric shock hazard. Failure to do so can cause severe personal injury or death. Wiring must be N.E.C. Class 1. If original wiring as supplied with boiler must be replaced, use only type 105 °C wire or equivalent.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Field wiring (see &IGURE &IGURE — Boiler Manual (continued) &IGURE Schematic wiring diagram — SlimFit boilers (continued on next page) 52 Part number 550-100-116/0714
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Field wiring (see &IGURE &IGURE — Boiler Manual (continued) &IGURE (continued from previous page) Schematic wiring diagram — SlimFit boilers Part number 550-100-116/0714 53
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Field wiring (see &IGURE &IGURE — Boiler Manual (continued) &IGURE Ladder wiring diagram — SlimFit boilers (continued on next page) 54 Part number 550-100-116/0714
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Field wiring (see &IGURE &IGURE — Boiler Manual (continued) &IGURE (continued from previous page) Ladder wiring diagram — SlimFit boilers Part number 550-100-116/0714 55
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Field wiring (see &IGURE &IGURE Pumps (Terminal strip D) 1. The Sola provides for connection of up to three pumps. 2. The Sola control must be programmed to determine when these pumps operate. Factory default setup is outlined in the following. Pumps A, B and C — 4HE MAXIMUM ALLOWABLE CURRENT FOR EACH PUMP IS AMPS AT 6!#. For pumps with higher amp ratings, you must install a relay or starter to operate the pump.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Field wiring (see &IGURE &IGURE On single-boiler applications, the outdoor sensor cannot be used if a system sensor is attached. On multiple boiler systems, the system sensor can be attached to the master boiler and the outdoor sensor attached to one of the slave boilers. 4. Thermostat wire can be used to connect the sensor. System supply sensor (Terminal strip C) 1. The system supply sensor is shipped loose with the boiler. 2.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control overview & sequence of operation 4EMPERATURE SETTINGS — You must ensure that the Sola is set for the proper water temperatures for the system. Excessive water temperature can cause significant property damage in some applications.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control overview & sequence of operation (cont.) 10. At the end of the CH-heat request the burner is switched off and the blower stays on until post purge is complete. 11. A new CH-request is blocked for the forced off time set by the Anti Short Cycle parameter (adjustable, with default setting of 1 minute). 12. The pump stays on during the pump overrun time. 13. At the end of the pump overrun time the pump will be switched off.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus Power-up & initialization 1. When power is applied, the display loads operating software and performs self diagnostics. The (OME PAGE (Figure 60 or Figure 61) will appear when the device is properly powered and initialization is successful. a. Select the SETUP button to adjust backlight and sound if desired. 2.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus (continued) &IGURE Sola display page flow — top row below shows buttons available from the home page (must log in to change) on the top-left corner of the screen and a Back button on the top-right Most pages have a Home button corner of the screen. The Home button returns the user to the Home page and terminates any operation in progress. The Back button returns the user to the previous page.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus (continued) Configuration (HOME PAGE CONFIGURE) 1. Most parameter setup changes are done with one of the CONFIGURATION GROUPS shown in Figure 63, page 61. 2. See information beginning on page 68 for typical configuration setups. 3. The lockout history can be displayed by accessing the History screens as described in the next section.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus (continued) &IGURE History screen, typical 4. History screen overview a. The entire 15 fault code history is displayed in a scrollable list, with faults listed in reverse order of occurrence. b. Summary information is displayed for each fault entry, including the burner cycle count, fault code, and fault number with description. See Figure 67. c.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus (continued) &IGURE Analog I/O Status page &IGURE Pump test. Diagnostics Tests Trend Analysis (HOME PAGE DIAGNOSTICS DIAGNOSTICS TESTS) 1. Pressing the DIAGNOSTICS TESTS button launches the diagnostic tests (Figure 72.). 2. This screen enables the user to perform the following tests: a. Modulation Test: enables the user to verify that the burner is firing at the correct rate. (See Figure 72.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus (continued) 3. Trend analysis graph page a. This page shows a graph that updates over time. b. The graphs shows the values of operating variables selected on the Trend Analysis menu page. c. Each status variable displayed in the trend analysis is represented by a different colored line. &IGURE Trend analysis page, typical Press the SAVE button to store a snapshot of the screen.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus (continued) Trend Analysis Snapshot 1. The trend analysis snapshot file is stored in Comma Separated Value (CSV) format in the display so it can be imported into a spreadsheet program such as Microsoft Excel. The trend analysis snapshot file can be viewed in graph form on the display. It can also be copied to a USB device. 2.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control interface and menus (continued) &IGURE Display diagnostics &IGURE Processor Reset 8. Each test is invoked by pressing the TEST button next to the diagnostic. 2. When the Display is reset, the display will reboot and automatically seek out the Modbus device connected to it. When the search is complete, the display will return to the home page. To set Date and Time (HOME PAGE SETUP DISPLAY SETUP DATE/TIME) 1.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control express setup — single boiler Sola control single boiler setup 1. The Sola control is adapted to meet the system operation needs using adjustable parameters. The complete list of these parameters is in “Sola control parameter table” beginning on page 72. 2. The factory default settings for the Sola parameters meet the needs of most systems, requiring only a few adjustments.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control express setup — single boiler (continued) Zoning with zone valves — Primary/secondary piping [Apply for Figure 16, page 17 or Figure 17, page 18] 1. No changes are needed unless the factory default values in Figure 84 need to be adjusted. Zoning with pumps — Primary/secondary piping [Apply for Figure 18, page 19] 1. Pumps a. Connect the Boiler pump to Pump A terminals on terminal strip D. b.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control express setup — multiple boilers Multiple boiler system requirements r &IGURE Factory default settings for lead lag (most common parameters — see complete list in “Sola control parameter table” beginning on page 72) 5P TO 8 SlimFit boilers on a system. r Boilers must be connected from boiler to boiler with twisted 3-wire cable on LEAD/LAG CONNECTION terminals on terminal strip F.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control express setup — multiple boilers (continued) MASTER boiler setup SLAVE boiler setup 1. 3YSTEM SENSOR — attach the system sensor to the system supply pip- 1. %NABLE SLAVE BOILER a. Go to HOME PAGE CONFIGURE LEAD LAG SLAVE CONFIGURATION Enable. b. Select “Enable slave for built-in Lead/Lag master” 2. Outdoor sensor — locate on an exterior wall and shield to prevent solar gain.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Sola control parameter table — Boiler Manual HOME PAGE CONFIGURATION &IGURE Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Changed to Description System Identification & Access Burner name 20 chars This parameter allows each Sola control
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Description Changed to Outdoor Reset Configuration Enable Enable or Disable Enabled If ou
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Changed to Description Warm Weather Shutdown Configuration Warm Weather Shutdown Enable Warm
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM Low Value 5NITS High Value Default Description Changed to Central Heat Pump ADVANCED — ON OPTIONS tab (Use scroll arrows to to
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Use for lead lag master demands Low Value High Value Default Changed to Description Enables the Sola LL Master's demands
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Sola control parameter table (continued) — Boiler Manual HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Description Changed to DHW Pump ADVANCED — ON OPTIONS tab (Use scroll arrows to toggle betw
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM Use for lead lag master demands 5NITS Low Value High Value Default Changed to Description Enables the Sola LL Master's demands
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM Overrun time 5NITS hr mm ss Low Value High Value 0h 0m 0s 18h 0m 0s Default Description 0h 0m 0s This time indicates how lo
COMMERCIAL CONDENSING GAS-FIRED WATER BOILER SlimFit™ — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Changed to Description or If DHW is the active service controlling the heating system (has
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Description Changed to Frost Protection Configuration CH frost protection enable Enable or
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Sola control parameter table (continued) — Boiler Manual HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Changed to Description System Configuration Fahrenheit or Centigrade Temperature units Anti
COMMERCIAL CONDENSING GAS-FIRED WATER BOILER SlimFit™ — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Description Changed to Lead Lag Master Configuration Lead Lag Master Configuration main page
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM DHW priority override time 5NITS Low Value High Value Default Description hr mm ss 0m 0s 720m 0s 60m 0s If this parameter i
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Description Changed to Lead Lag Master Configuration ADVANCED — Algorithms tab (Use scroll a
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola control parameter table (continued) HOME PAGE CONFIGURATION &IGURE (continued) Sola CONFIGURATION VALUES — setup options — White text on black titles are configuration groups — see Figure 63, page 61 for location of configuration group in menus (%NTER CHANGED VALUES IN THE LAST COLUMN) -ENU )TEM 5NITS Low Value High Value Default Changed to Description Lead Lag Master Configuration ADVANCED — Modulation tab (Use scroll a
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Startup — fill the system Clean system to remove sediment 9OU MUST THOROUGHLY mUSH THE SYSTEM (without boiler connected) to remove sediment. The highefficiency heat exchanger can be damaged by buildup or corrosion due to sediment. 1. If necessary, use an approved chemical cleaning agent, following the manufacturer’s guidelines for procedures. a. A list of approved cleaning products is available at www. Weil-McLain.com. b.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Startup — fill the system (continued) FREEZE PROTECTION (when used) Follow these guidelines to prevent possibility of severe personal injury, death or substantial property damage: r .%6%2 USE AUTOMOTIVE OR STANDARD GLYCOL ANTIFREEZE, EVEN GLYCOL MADE FOR HYDRONIC SYSTEMS. Use only freeze-prevention fluids recommended by Weil-McLain for application in SlimFit Boiler systems.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Startup — final checks Check thermostat circuit(s) 1. Disconnect the two external wires connected to the boiler thermostat terminals (see instructions beginning on page 51 for terminal locations). 2. Connect a voltmeter across these two incoming wires. Close each thermostat, zone valve and relay in the external circuit one at a time and check the voltmeter reading across the incoming wires. There should NEVER be a voltage reading.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Startup procedure &IGURE To manually set firing rate for testing: On the Sola display, navigate to HOME PAGE DIAGNOSTICS DIAGNOSTICS TESTS MODULATION TEST. r This will open the Modulation Test window (Figure 72, page 64). r Press MAXIMUM MODULATION, then press START TEST to force the boiler to high fire rate. Press STOP TEST to end the test. r Press MINIMUM MODULATION, then press START TEST to force the boiler to low fire rate.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Startup procedure (continued) If combustion at either high or low fire is outside the range given in Figure 90, follow the procedure given for adjusting the throttle screw on the gas valve. If throttle screw adjustment does not correct the problem, then shut down the boiler and contact your local Weil-McLain representative. Throttle screw adjustment must be done only by a qualified technician, using calibrated test instruments.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Startup procedure (continued) Adjust and test boiler controls Check gas input rate 1. Follow instructions in this manual to set and verify operation of the boiler controls. 2. Test the gas pressure switches. Then restore the settings to the following: a. High gas pressure switch — 14” w.c. b. Low gas pressure switch — 2” w.c. c. Make sure gas pressure complies with instructions on page 49. 1. Measure natural gas input: a.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Startup procedure (continued) &IGURE Operating instructions (WARNING — Verify that the Sola is set correctly before proceeding.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola Information and Operations screens $/ ./4 /0%2!4% 4()3 "/),%2 WITHOUT FOLLOWing all instructions and procedures specified in THE FOLLOWING SECTIONS 3TARTUP lLL THE SYSTEM PAGE 3TARTUP lNAL CHECKS PAGE &AILURE TO FOLLOW THE INSTRUCTIONS IN THIS MANUAL COULD RESULT IN SEVERE PERSONAL INJURY DEATH OR SUBSTANTIAL PROPERTY DAMAGE 3TARTUP PROCEDURE PAGE .
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Sola Information and Operations screens (continued) &IGURE Sola display information and operation screen navigation Press the boiler icon on the home page to go to the information screen. Make sure to return the boiler to automatic operation after using the operation screen for manual operation. Failure to do so could cause loss of heating. Use the Operation screen (below) to r manually activate central heating or DHW.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Annual startup and maintenance schedule &IGURE Service and maintenance schedules Service technician Owner maintenance (see following pages for instructions) (see SlimFit User’s Information Manual for instructions) ANNUAL START-UP (See First-year special inspection) General: Investigate reported problems. Inspect air inlet box screen; clean and vacuum if necessary; WARNING — no solvents.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Annual startup HANDLING CERAMIC FIBER MATERIALS REMOVAL OF SIGHT GLASS GASKET The sight glass gasket in this product contains ceramic fiber material. Ceramic fibers can be converted to cristobalite in very high temperature applications. The International Agency for Research on Cancer (IARC) has concluded, “Crystalline silica inhaled in the form of quartz or cristobalite from occupational sources is carcinogenic to humans (Group 1).
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Annual startup (continued) The boiler should be inspected and started annually, at the beginning of the heating season, only by a qualified service technician. In addition, the maintenance and care of the boiler designated in Figure 94, page 96 and explained on the following pages must be performed to assure maximum boiler efficiency and reliability.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Annual startup (continued) 2. Verify that boiler vent discharge and air intake are clean and free of obstructions. Flue vent system and combustion air piping 1. Visually inspect entire flue gas venting system (and air piping, if installed) for blockage, deterioration or leakage. Repair any joints that show signs of leakage in accordance with vent manufacturer’s instructions.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Annual startup (continued) Inspect ignition electrode 1. Remove the ignition electrode from the boiler heat exchanger burner end section. See image at right. Ignition electrode is longer than the flame sensor (see below) and has a brown ceramic insulator. 2. Remove any white oxides accumulated on the ignition electrode using steel wool. If the ignition electrode cannot be cleaned satisfactorily, replace ignitor with a new one. 3.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Annual startup (continued) Perform startup procedure per manual &IGURE Combustion chamber access cover removal 1. Perform all startup procedures on pages page 90 through page 93. 5 Check burner flame 11 1. Inspect flame through the observation window using the procedure on page 90. a. The high fire flame should be blue and should be stable. The burner surface should be covered with orange dots. b.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Annual startup (continued) This should allow for removal of the metal dish (item 8) and the refractory disc (item 9). Then rinse the burner from inside out. Allow to dry completely. Re-attach the refractory disc and retainer to the burner after cleaning. 14. Re-install the burner: a. Carefully insert the burner, avoid dragging fiber mesh as its inserted. b.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting VERIFY PROPER OPERATION AFTER SERVICING. Before servicing and making connections . . . %,%#42)#!, 3(/#+ (!:!2$ — The boiler !,7!93 452. 0/7%2 /&& 4/ 4(% "/),%2 4/ 02%6%.4 %,%#42)#!, 352'%3 7()#( #!. $!-!'% "/),%2 #/-0/.%.43 ON/OFF switch does not turn off all power to the boiler. 452. /&& !,, 0/7%2 4/ 4(% "/),%2 7(%. 3%26)#).'. Internal wiring is still powered when the switch is off.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting (continued) Check the following: &IGURE Control circuit fuse block in control harness 1. Space heating: a. Make sure thermostat is calling for heat and contacts (including appropriate zone controls) are closed. b. Check for 24 VAC between thermostat wire nuts and ground. Fuse block 2. DHW: a. Make sure tank aquastat is calling for heat. 3. BMS systems a. Make sure the BMS is calling for heat. Transformer 4.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting (continued) Make sure to determine the causes of outages. Do not leave the boiler operating without a complete diagnosis. Sola control lockout causes Shutdown behavior due to lockout Lockout occurs if any of the following occur during the indicated period: 1. INITIATE Period: a. A/C line power errors occurred. b. Four minute INITIATE period has been exceeded. 2. STANDBY Period: a.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting (continued) &IGURE Sola control History (HOME PAGE BOILER ICON DETAILS HISTORY) Sola Lockout History The Sola is able to record information about the boiler’s condition at the time of up to 15 previous lockouts. This information is available to view in the HISTORY menu. Select the LOCKOUTS button at the bottom to see the lockouts page.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting (continued) &IGURE Troubleshooting suggestions for SlimFit boilers (continued) Sola Fault Displays, Diagnostics and Suggested Corrective Actions Display Nothing shown on display screen and blower running at full speed Nothing is shown in display screen and no other boiler components are operating Nothing is shown on display screen, but boiler is operating Boiler Icon not shown on display Boiler Icon Black on di
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting (continued) &IGURE Troubleshooting suggestions for SlimFit boilers (continued) Display Condition Diagnostics Corrective actions Inlet/outlet inversion limit Occurs when a return water temperature is greater than the corresponding supply temperature for 5 minutes during run. Manual reset required. t Verify proper flow direction of the boiler pump.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting (continued) &IGURE Troubleshooting suggestions for SlimFit boilers (continued) Display Condition Light off rate proving failed; Purge rate proving failed; Fan speed failed during prepurge; Fan Speed failed during preignition; Fan speed failed during ignition; Fan Speed failed during run; Fan movement detected during standby Blower unable to reach required speed or does not reach 0 RPM when turned off.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Troubleshooting (continued) &IGURE Troubleshooting suggestions for SlimFit boilers (continued) Display Condition Diagnostics Corrective actions ILK OFF (Gas Pressure Low) Low gas pressure switch is open Requires manual reset of low gas pressure switch and Sola Control t Check gas supply pressure, adjust regulator to specification ILK OFF (Gas Pressure High) High gas pressure switch is open Requires manual reset of high g
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual 3LIM&IT 'AS "OILER $ATA #OLLECTION 3HEET #USTOMER )NFO *OB )NFO Contact: Job name: Contractor: Job address: Distributor: City, state: "OILER 3YSTEM 0IPING $ETAILS 0LEASE 3KETCH -AINTENANCE )NFO Please note the placement of system sensors Name: Phone: Model: CP#: Installed: 3YSTEM #OMPONENTS Near boiler piping size: Boiler Circulator model: DHW tank (yes/no) DHW model: DHW pipe size DHW circulator model: Is there air in
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Maintenance Disconnect power before servicing Electrical shock hazard — Disconnect all electrical power to the boiler before attempting maintenance procedures. Failure to complete could result in severe personal injury, death or substantial property damage. Perform startup and check/out Removing and reinstalling components can change boiler behavior. After any maintenance procedure, you must verify operation after servicing.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Maintenance (continued) &IGURE Cleanout plate removal/re-installation &IGURE Using the cleaning tool Silicone cord must start/end at top center, add a dap of silicone over joint. 45° Down Cleanout plate Horizontal Cleanout plate gasket Silicone cord gasket Re-install cleanout plate 1. Install a new silicone cord gasket into the groove. See instructions at right. 2.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Maintenance (continued) &IGURE Cleanout plate nut tightening sequences 'RADUALLY TIGHTEN the cleanout plate nuts in the sequence shown in Figure 107 until torque reaches 18 N-m/160 in-lbs/13 ft-lbs. If the tightening is not done using this top-to-bottom, center out method, the plate could buckle, allowing a flue gas leakage.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Replacement parts — Boiler Manual Go to www.weil-mclain.com to locate Weil-McLain distributors Replacement parts must be purchased through a local Weil-McLain distributor. When ordering, specify boiler model and size and include description and part number of replacement part. Results from using modified or other manufactured parts will not be covered by warranty and may damage boiler or impair operation.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Replacement parts (continued) — Boiler Manual Go to www.weil-mclain.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Jacket parts Part number 550-100-116/0714 117
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Replacement parts (continued) — Boiler Manual Go to www.weil-mclain.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Heat exchanger Part number 550-100-116/0714 119
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Replacement parts (continued) — Boiler Manual Go to www.weil-mclain.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Burner, blower, venturi and gas train Part number 550-100-116/0714 121
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER Replacement parts (continued) — Boiler Manual Go to www.weil-mclain.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Controls Part number 550-100-116/0714 123
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Dimensions &IGURE Dimensional data — ,%&4 (!.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Dimensions (continued) &IGURE Dimensional data — 2)'(4 (!.
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Ratings — SlimFit boilers &IGURE Ratings and engineering data DOE Boiler Model Number Input AHRI Ratings Gross Output Net Rating Combustion Efficiency Thermal Efficiency % (Note 3) (Note 4) Btuh Btuh Btuh (Note 1) (Note 1) (Note 2) Boiler Water Content % Gallons Vent/Air Stack/vent Pipe Size flow rate Inches (Note 5) (Note 6) scfm Boiler weight (pounds) Dry Operating Shipping weight weight weight (no water) (fi
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Notes Part number 550-100-116/0714 127
SlimFit™ COMMERCIAL CONDENSING GAS-FIRED WATER BOILER — Boiler Manual Installation and Service Certificate Boiler Model BTU Input Series CP Number Date Installed Installation instructions have been followed. ❏ ❏ Check-out sequence has been performed. ❏ Above information is certified to be correct. ❏ Information received and left with owner/maintenance person.
