Owner’s Manual Save this manual for future reference. Magnum Forsaire Counterflow Top-Vent Gas Wall Furnace Model Numbers: 6008832; 6018832; 6038832; 6058832 FOR USE WITH NATURAL GAS ONLY Model Numbers: 6008831; 6018831; 6038831; 6058831 FOR USE WITH PROPANE GAS ONLY READ THIS OWNER’S MANUAL CAREFULLY BEFORE YOU INSTALL YOUR NEW WILLIAMS WALL FURNACE.
Warranty & Installation Record – 2 Warranty The manufacturer, Williams Comfort Products, warrants this wall furnace or heater to the original purchaser under the following conditions: LIMITED ONE-YEAR WARRANTY 1. Any part thereof which proves to be defective in material or workmanship within one year from date of original purchase for use will be replaced at the Manufacturer’s option, FOB to its factory. 2.
Contents Your Williams Warranty .................................................................2 Installation Record .........................................................................2 Table of Contents ..........................................................................3 Safety Rules ..................................................................................4 Introduction....................................................................................5 Basic Description ...........
Safety Rules WARNING: Read these rules and the instructions carefully. Failure to follow these rules and instructions could cause a malfunction of the furnace. This could result in death, serious bodily injury and/or property damage. 9. INSTALLATION MUST CONFORM TO LOCAL CODES. IN THE ABSENCE OF LOCAL CODES, INSTALLATION MUST CONFORM TO THE NATIONAL FUEL GAS CODE, ANSI Z223.1.
Introduction – 5 Introduction Please read our instructions before you install and use your furnace. This will help you obtain the full value from this furnace. It will also help you avoid any needless service costs if the answer to the problem is found within this instruction manual. Basic Description Your Counterflow Top Vented Wall Furnace is shipped ready to install on the surface of a wall or recessed up to 9-1/4 inches in a wall, with wall studs spaced 16 inches center to center.
Introduction Optional Accessories SIDE OUTLET REGISTER 6701 Pg. 21 TRIM STRIP KIT 4701 Let’s you route some heated air to a second room. Mounts on side wall of second room and must be within 10 inches of wall furnace. Provides finished edge at sides of wall furnace. Neutral beige enamel painted steel. DIFFUSER GRILLE KIT 6703 as shown on Page 23, Fig. 32 OVAL VENT KIT 9929 Let’s you route some heated air in a two-way direction. Kit 6704 for oneway direction. This U.L.
Installing Your Furnace The following steps are needed for proper installation and safe operation of your furnace. If you have any doubts as to any requirements, always consult your local Heating or Plumbing lnspector, Building Department or Gas Utility Company regarding regulations, codes, or ordinances which apply to the installation of a vented wall furnace. Obtain professional help where needed. 1. Locate the furnace properly within the space to be heated.
Installing Your Furnace FIGURE 3 Minimum Clearances With standard furnace discharge outlet, do not install closer than 4 inches to intersecting wall. Choose a location for the thermostat (optional) about 5 feet above the floor on an inside wall.
Installing Your Furnace AIR REQUIREMENTS FIGURE 4 The requirements for providing air for combustion and ventilation are listed in the National Fuel Gas Code NFPA 54/ANSI Z223.1 (in Canada: CAN/CGA B149). Most homes will require that outside air be supplied to the heated area by means of ventilation grilles or ducts connecting directly to the outside or spaces open to the outdoors such as attic or crawl space.
Installing Your Furnace 4. Spillage means air starvation and a fresh air duct or air intakes must be installed to provide air directly to the furnace or other gas appliance. D. If spillage exists or when the furnace is in a building of tight construction where the windows and doors are weatherstripped, air for combustion and ventilation must be obtained from outdoors or space open to the outdoors. Provide an opening(s) having a total free area of 1-square inch per 4000 Btu/hr.
Installing Your Furnace FIGURE 7 Grilles Connecting Rooms to Make Unconfined space FIGURE 8 Air from Outdoors or Crawl Space * Openings for inlet or outlet air should not be made into attic area if attic is equipped with a thermostat controlled power vent. FIGURE 9 Free Area Btu/hr./Input FOR EXAMPLE: Your furnace is rated at 60000 Btu/hr. The water heater is rated at 30,000 Btu/hr. The total is 90,000 Btu/hr.
Installing Your Furnace FIGURE 11 WARNING: Remove 4”x14” fiberglass gasket from bottom of header plate and discard. This gasket is not used when the furnace is recessed in the wall. FIGURE 10 CLOSE OFF STUD SPACE (If Required) If studs are not on 16 inch centers, cut the hole for the furnace next to an existing stud and frame in the other side using a 2 x 4 and spacer blocks as required. As shown on Page 12, Fig. 12.
Installing Your Furnace CAUTION: Do not run wire behind flanges of header plate or in any location where it might be damaged. Avoid splicing thermostat wire unless the spliced wires are properly cleaned, soldered and taped. FIGURE 13 Knockout Dimensions 80-¼″ MODELS : 6008831; 6008832 Surface Mount Installation FIND THE STUDS AND CEILING JOISTS (See CAUTION on page 7) Find two studs at spot where furnace is to be placed. Use a stud indicator or small finishing nails.
Installing Your Furnace NOTE If you decide to route gas line through right side of furnace, simply remove the knock-out provided in furnace side. NOTES If a pre-existing gas piping stub location is not compatible with hole or knock-out provided in furnace, you may make an alternate entry hole in furnace back wall per Fig. 14. CAUTION: Be careful not to damage any furnace components while making any alternate hole. Locate and drill one (1) 1-1/2 inch hole at selected location as shown on Page 12, Fig.
Installing Your Furnace ALL MODELS ATTACH HOLD-DOWN PLATE NOTE Header plate should already be attached. Fasten hold-down plate to top of header plate using two (2) screws provided. 1/8” FROM WALL INSTALL SURFACE VENT (SURFACE MOUNT) NOTE For surface mounting, it will be helpful to complete the gas piping supply to the furnace before installing the vent pipe. See section GAS SUPPLY & PIPING, page 18.
Installing Your Furnace COMPLETE THE VENTING Refer to Fig. 18. Install oval to round adapter. Complete the piping extending it through the roof. Use 4" round, double wall (Type B) vent pipe, roof flashing, storm collar, and vent top as shown. The vent cap must be at least 2 feet higher than any point that is within 10 feet horizontally of the vent cap. There must be at least 1 inch clearance between the vent pipe and any combustible material.
Installing Your Furnace REMOVE BURNER AND CONTROLS Locate the burner and hex nuts that secure it. Remove the two (2) hex nuts (one from each end). Lift one end of the burner at a time until free. Remove burner and controls from the compartment. FIGURE 1919 FIGURE POSITION FURNACE (RECESSED MOUNT ONLY) NOTE If your furnace is surface mounted, your mounting was started during VENT INSTALLATION, page 14. To complete furnace mounting, go on to FASTEN FURNACE BOTTOM on this page.
Installing Your Furnace Gas Supply and Piping Gas control valve, within the furnace, is shipped with a seal over gas inlet tapping. Do not remove seal until ready to connect piping. WARNING: Danger of property damage, bodily injury or death. Make sure the furnace is equipped to operate on the type of gas available. Models designated as natural gas are to be used with natural gas only. Furnace designated for use with liquefied petroleum (L.P.) gas rate orifices sized for commercially pure propane gas.
Installing Your Furnace The following rules apply: 1. Use new, properly reamed pipe free from metal chips and debris such as steel or black iron pipe. Use fittings approved by local codes. solution to each joint. Bubbles forming indicate a leak. Correct even the slightest leak at once. FIGURE 22 Gas Pipe Sizes 2. Do not thread pipe too far. Valve distortion or malfunction may result from excess pipe within control. Apply moderate amount of good quality dope to pipe only, leaving 2 end threads bare.
Installing Your Furnace Thermostat Installation (Sold Separately) 1. Use Williams thermostat P322016 or any millivolt thermostat. FIGURE 23 Route Thermostat Cable 2. If an old thermostat is being replaced and is in a satisfactory location and the wiring appears to be in good condition, use existing wiring. If in doubt, use new wire. 3. If a new location is chosen or if this is a new installation, thermostat cable must first be run to the location selected.
Installing Your Furnace Optional Accessory Installation SIDE OUTLET MODEL 6701 REAR OUTLET MODEL 6801 FIGURE 26 SHORT REAR OUTLET MODEL 6802 CAUTION: Use only Boots and Grilles provided by the manufacturer. CLEARANCES IMPORTANT Carefully follow all measurements and clearances given to ensure proper installation. When SIDE OUTLET MODEL 6701 is used, the furnace casing must be a minimum of 4 inches from an adjacent side wall (except may be 3/4" minimum when 1-WAY FRONT DIFFUSING GRILLE is used). See Fig.
Installing Your Furnace MOUNTING SIDE AND REAR OUTLETS Refer to Fig. 29. Place Outlet Grille into position, drill through the wall material and Plasterground with a #33 drill bit, using the holes in grille as a template and secure with screws provided. BEFORE placing the furnace into position, place Out Boot against the furnace casing with inside of flanges exactly on edges of the hole in casing. Mark hole locations on casing through the holes in Out Boot flanges.
Installing Your Furnace FIGURE 31 Side Outlet FIGURE 33 FIGURE 34 2-WAY FRONT DIFFUSING GRILLE KIT MODEL 6703 Refer to Fig. 32. CAUTION: For use only in conjunction with a front outlet when the furnace is spaced at least 12 inches from an intersection wall (see Fig. 33). Metal clips on backside of grille snap into side louvers of front warm air outlet. Adjust clips with pliers if necessary. Grille may also be attached with sheet metal screws.
Installing Your Furnace Start-Up Procedure WARNING: Danger of bodily injury or death. Liquefied petroleum L.P. Gas is heavier than air and it will settle in any low area, including open depressions and it will remain there unless the area is ventilated. Never attempt start-up of unit before thoroughly ventilating area. Check the furnace operation as outlined in the following instructions. If any sparking, odors or unusual noises are encountered, shut off electric power immediately.
Operating Your Furnace Operating Your Furnace STANDING PILOT MODELS IMPORTANT 6008831; 6008832 KEEP BURNER AND CONTROL COMPARTMENT CLEAN. NOTE: For models equipped with WILLIAMS gas valve P323209 or P322042 refer to this page and page 26 for "SAFETY & LIGHTING INSTRUCTION" and "TURN GAS OFF TO APPLIANCE." On new installations, the gas lines will be filled with air and it may take several minutes to establish the pilot flame.
Operating Your Furnace FOR YOUR SAFETY, READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these Instructions exactly. B. BEFORE LIGHTING smell around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
Care – 27 Caring for Your Furnace How To Care For Your Furnace WARNING: Danger of bodily injury or death. Turn off electric power supply at the disconnect switch, fuse box or service panel before removing any doors or access or service panels from the unit. Pilot flame should surround 3/8 to 1/2 inch of the thermocouple tip. Refer to Fig. 38, Page 28. If flame needs adjusting, do it as follows: ADJUST PILOT BURNER (Page 28, Fig 38) CABINET FINISH Clean the cabinet with damp rag.
Caring for Your Furnace How To Care For Your Furnace BURNER CLEANING TO REMOVE BURNER(S) Check burner. If cleaning is required, contact a qualified service technician to clean and service burner. Disconnect gas line inside cabinet. Refer to "Mounting Your Furnace" section (pages 16 and 17). MODELS: WARNING: Danger of bodily injury or death. Make sure electric power and gas supply are off before removing panels or doors, etc.
Care – 29 Troubleshooting FOR MODELS: 6008832; 6008831 SYMPTOM 1. Pilot will not stay lit after following lighting instructions. POSSIBLE CAUSE A. Thermocouple producing insufficient millivolts. B. Loose or dirty thermocouple connection at gas valve. Thermocouple defective. C. D. E. 2. Main burner will not come ON - pilot burning and thermostat set for heat. 3. Burner comes "ON" but goes OFF before blower turns ON. A. B. C. D. Wall thermostat defective. E. Burner orifice plugged. 6.
Troubleshooting SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION B. Thermostat wiring defective. Thermostat location. Check thermostat wiring from furnace to thermostat - may be shorted together by a nail or staple. Check thermostat location - if on an outside wall or there is a hole in wall behind the thermostat causing cold air to contact thermostat, relocate the thermostat. A. Blower noise. B. Expansion noise ticking. C. Burner resonance. D. Selector switch defective.
Accessories– 31 Replacement Parts 6008831; 6008832 6008831; 6008832 34 & 35
Replacements Parts 32
Replacements Parts List REPLACEMENT PARTS FOR MODELS 6008831; 6008832 Ref. Number PART NO.
Replacements Parts List 52 Orifice Fitting, Specify Gas Type & Input P090539 P332621 53 54 55 56 57 58 Gas Control Valve Thermostat Thermocouple Pilot Asy, Burner Mounting Bracket Burner, Stainless Steel 59 Wire Assembly. Vent Safety 60 * Owner’s Manual P323209 P322016 P233100 P323074 7B187 12B56/12B57 P322048/ P322048A P321920 P322042 P322016 P233100 P323073 7B187 12B56/12B57 P322048/ P322048A P321920 * Not shown For part illustration, see pages 31 and 32.
Forsaire Hardwire Accessory - 9940 Installation Instructions This Kit is for use with Models: 3508331; 3508332; 3508731; 3508732; 4007331; 4007332; 4007731; 4007732; 5008731; 5008732; 5507331; 5507332; 5508331; 5508332; 6008531; 6008532; 6257731; 6257732; 6508731; 6508732 WARNING: Danger of bodily injury. Turn off electric power supply at disconnect switch, fuse box or service panel before working on the furnace.
Hints and Information Service Hints If your furnace fails to work correctly, you may avoid the inconvenience and cost of a service call by checking the troubleshooting section on pages 29 and 30 before you call for service. WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity or this or any other appliance.
