E INSTALLATION INSTRUCTIONS ‘} Standards Compliance This wale heater must be installed in accordance with these Instructions, local codes, and utility company requirements. In the United States where local codas are not available, use the latest edition of the American National Standardization Fus! Gas Code. A copy of the Fuel Gas Code can be purchased from either the American Gas Association, 400 North Capitol Street Northeast, Washington, DC Choosing a Location 20001, as ANS! standard Z223.
INSTALLATION INSTRUCTIONS ‘} Choosing a Location {cont.) Fire Sta Plate {as required) Every vent pipe penetration of a floor or selling that is not in a fire-rated shaft requires a fire stop plate. Allure to install and properly vent the water heater 1o the outdoors as outlined on pages 34 through 45 can result in unsafe operation. Long hot wale lings should be insulated to conserve water and energy. The water heater and water lines should be protected from exposure to freezing temperatures.
INSTALLATION INSTRUCTIONS 30 ‘} Product inspection Visually inspect the wale heater for any possible damage. Check the rating plate on the water heater to make sure the wale healer was designed to be used with the supplied type of gas (natural or LP). Verily that all included supplied pairs are present as shown.
32 INSTALLATION INSTRUCTIONS ‘} Water Heater Installation (cont.) Typical installation of Outdoor Walter Heater (No Venting Required) This water heater is for OUTDOOR installation only. WARNING: D0 NOT Install this wale Hester Indoors os In s confined area. it ls designed for outdoor installation only. Any other yipe of installation can resulting death, personal injury, and/or damage o the product or properly.
INSTALLATION INSTRUCTIONS Mounting the Water Healer CAUTION Reinforcement of the wall Is required In sacs the wall Is not strong enough to hold the water heater Allures 1o do 50 could resit In persons! Injury snd/ ar product damages, Tha mounting location for the water heater should allow for easy access and operation. The water heater is designed to be installed either inside the wall cavity between the wall studs or outside the wall cavity.
INSTALLATION INSTRUCTIONS 34 ‘} Venting for Direct-Vent Water Heater The water heater must be installed with diameter UL-approved Category it} ial Stainless Steel appliance vent pipe or water heater manufacturer-approved concentric vent pipe. DANGER: Allure to install and properly vent the water heater 1 the outdoors as outlined in this Venting section will result in death or serous personal Injury.
INSTALLATION INSTRUCTIONS In the Commonwealth of Massachusetts The Commonwealth of Massachusetts requires compliance with regulation 248 CMR 4.00 and 5.00 for installation of through the-wall vented gas appliances as follows: 5.08: Modifications to PAN-54, Chapter 10 (1) Revise PAN-54 section 10.5.4.
INSTALLATION INSTRUCTIONS 36 ‘} Venting for Direct-Vent Water Heater (cont.) i o oed — on g {Optional} Recommended Vent Lengths Lumbar of 80° Elbows (binds) Maximum Length of Straight Pipe 391 (120m) 371 6in (115m) 1 pectin | i Minimum Sent Length: The venting may be as short om}, provided one vent termination is installed 1o the outdoors through a sidewall with one 90° elbow and one wall plats included in the installation. Total equivalent vert length om). Bt (11.0m) 3415 n (105m) 331 {10.0m) 6in (9.
INSTALLATION INSTRUCTIONS Appliance Vent Adapter CAUTION: Ensure that the appliance vent adapter ls securely attached to the water heater collar. Improperly connected vent adapter can cause damages to the appliance and/or poor performances. Metal Fab Inc. standard concentric vent pips can bs installed into ths water heater collar without an appliance vent adapter.
INSTALLATION INSTRUCTIONS ‘} Venting for Direct-Vent Water Heater (cont.) Horizontal Sent Considerations HARMING: Moisture In the fie gas will condense as i leaves e vent terminal. In cold weather this condensation can freeze on the exterior wall, under the eaves, and on surrounding objects. Some discoloration o the exterior of The building is 1o be pacified. However, improper location or installation san result in sobers damage to the structure or exterior Finish of the bulling.
INSTALLATION INSTRUCTIONS Horizontal Sent Installation WARNING: Folio the vent manufacturer's installation instructions since design might vary from manufacturer io manufacturer. Improper vent installation can result In death, personal Injury, product damage, and for poor performance. CAUTION: Use UL-approved Category Bl Stainless Steel vent malarial only. No other vent material is permitted for uss with this appliance. Outer casing can be galvanized aluminum or other rats rial.
INSTALLATION INSTRUCTIONS ‘} Venting for Direct-Vent Water Heater (cont.) Horizontal Vent Installation (cont.) Using a thick baas of high temperature signs, Typical Horizontal Termination with o) pi. popping a1S8 ot 1 outer 1/4 In. Per Foot of DOWNWARD Slope Fre operation Celina Inspection Accession Ageless Pang! Attach required vent sections between the water nuptial} Options) hater collar and the horizontal vent termination.
INSTALLATION INSTRUCTIONS Vertical Vent Installation WARNING: Folio the vent manufacturer’s installation instructions since dn:llfg'n might vary from manufacturer fo manufacturer. improper vent installation can result in death, personal injury, product damages, and for pro performances. NOTICE: Only Reese-approved termination and parks should e used during installation. Install a fire stop plate at every penetration floor or canning, whenever the vent is not running through a fire-rated shaft.
feq INSTALLATION INSTRUCTIONS 46 ‘} Water Quality Water quality must be taken into account when installing and maintaining the water hater. Water conditions outsell of the levels specified below affect and may damage the wale heater. Please note that the limited warranty provided with the warts healer does net cover defects, malfunctions or allures resulting from water conditions that are not in with the specification In the table ow.
INSTALLATION INSTRUCTIONS Water Supply Connections {cont.) Re circulation Direct re circulation is allowed, provided the loop is thermostatically controlled, and a timer is used to turn the pump off during off peak periods, The pureeing must be sized for a minimum of 5 pom head plus building head. A 10°F difference between the loop thermostat setting and water heater temperature smelting must bs maintained. To ensure proper operation of the water heater, follow these water pressure guidelines.
feq 48 INSTALLATION INSTRUCTIONS ‘} Water Supply {cont.} Open the drain valve in the COLD water outlet line 1o check the water flow through the water heater. Close the shut-off valve and remove, clean, and replace the water filter. Notice: Be sirs io connect the GOLD walrus inlet and the HOT water outset as shown on the wale heater. if reversed, the wale heater will not function. The flow rate of HOT water may vary when more than fwo faucets (appliances, figures, enc) are being used simultaneously.
INSTALLATION INSTRUCTIONS Relief Valve A new pressures-relief valve, complying with the Standard for Relief Valves and Automatic Gas Shut-Cf Devices for Hot Water Supp!r Systems, ANSI 721 22/C38A 4.4, must be installed at the HOT water gutting connection of the water heater during installation. Local codes shall govern the installation of any relief valves.
feq iy INSTALLATION INSTRUCTIONS 50 ‘} Water Supply {cont.} Hot and Gold Pipe Insulation Installation For increased energy efficiency, use pipe insulation as shown in the diagram. Insulate the pipes all the way to the top. DO NCT cover any drain or pressure-relief naivete. AH WARNINGS: When pips insulation iz not rated for the appropriate weather conditions, install electric h?at tracing or equivalent to prevent freezing of the plies. DO NOT insulate or block drain valve on the hot outlay fitting.
INSTALLATION INSTRUCTIONS ‘} Gas Supply (cont.) Gas Piping Pipe-Sizing Procedure The gas supply system must be properly sized 1o answers the proper operation of this lankiness water heater as well as all the %as appliances on the system. Failure to ensure the gas system, {mater, regulators, and piping) are properly sized could result in improper operation of this or other gas appliances.
52 INSTALLATION INSTRUCTIONS ‘) Bias Supply (cont.) Final Considerations If this water heater is replacing an existing water hater, iris important 1o verify the capacity of the gas system. Check the capacity of the meteorological, and verify the pipe lengths and sizes. An improperly sized gas system will cause operational issues with this water heater. Other appliances on the ges system may be affected as well, Flexible Gas Conn actors may be used however the BTU capacity of the connector must be checked.
INSTALLATION INSTRUCTIONS Gas Supply Installation install the manual gas appliance shut-off valve to has gas connection at the warts heater. The shut-off is supplied with the water heater, Install a ground joint union or ANSI design-certified semi-rigid or flexible gas appliance connector o ths open end of the manual gas appliance shut-off valve. The {NFC) ANS! 2223.1 and CANCAN B149.1 codes mandate the use of mans! gas shut-off valves.
i 54 INSTALLATION INSTRUCTIONS ‘3 Gas Supply (cont.) Leak Testing WARNING: Never use an open flame o test for gas leaks, because death, personal injury, and/or property damage can resell. The water heater and its gas connections MUST be leak-tested at normal operating pressures fora the unit is placed in operation. These tests should also include all factory connections. Turn on the gas shut-off valve(s) to the water heater. Use a soapy water solution o test for leaks at all the connections and fittings.
INSTALLATION INSTRUCTIONS High-Altitude Installation AV WARNING: DO NOT Install this water heater at elevations above 2000 f {810 mr without the proper adjustments. Allures 10 stall & water heater suitability for the attitude at the location it Is Intended 1o serve can result In improper operation of the appliance resulting In property damage and/or producing carbon monoxide gas, which could result in personal injury or death, Electrical Wiring NOTICE: For insinuations above 2000 #1.
INSTALLATION INSTRUCTIONS Remote Control Selection and Location WARNING: Fluid wiring connections and electrical grounding must comply with local codes or, In the absences of local codes, with the Latest edition of the National Electrical Code, EXPANSION 70, in the US,, or Canadian Electrical Gods, CANCAN €221, Part 1, In Canada.
INSTALLATION INSTRUCTIONS Remote Control Installation {cont.) Conn acting the Remote Control to the Water Healer: Centaurs that the prows to the water heater has been disconnected. Loosen the one screw located on the remote control connection cover. The connection cover is made of white plastic. NOTICE: D0 NOT REMOVE FRONT PANEL. Re mole control wires are connected on the bottom of the unit. There are no accessible remote control terminals inside the water heater.
had 60 INSTALLATION INSTRUCTIONS ‘} insulation Blankets in general, insulation inkstands for external use on gas waver healers are not necessary. The purposes of an insulation blanks is to reduce the standby heat loss fem the water heater’s storage tank. Since theses water heaters do not stair water, that eliminates the dean for the insulation blanket. AV WARMING: EVER cover the air inlet, flue oubliette, or operating sl warning labels attached fo the wale healer.
INSTALLATION INSTRUCTIONS ‘} Installation Checklist A. Water Heater Location Indoor water heaters must be installed indoors. [] outdoor water heaters must be installed outdoors. Close to area of ventilation termination {indoor models). Protected from freezing temperatures. D Proper clearance from combustible material observed. D Sufficient fresh air supply for proper operation of water heater. Air supply freak of corrosive laments and flammables vapors. D Provisions made o protect area from water damage.
e INSTALLATION INSTRUCTIONS ‘} Piping for Space Heaters Logan codas or plumbing authority requirements ma% vary from the instructions or diagrams provided in this manual and take precedence over theses instructions.
INSTALLATION INSTRUCTIONS ‘} Re circulation Control Logan codas or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedence over haste instructions. Your thankless water heater has the ability to control an external reticulation pump. Two modes are available, Energy Saver and Performances, which recirculate the waver in ths plumbing system to provides hot waver rems quickly when a faucet is opened.
INSTALLATION INSTRUCTIONS 6 Re circulation Control {cont.) Installation Disconnect all electric power to the water heater. To connect to the pump, cut the bus connector, splice the wires, and add & 4 amp fuse to the hot wire of the pump. Removes the front cover panel on the water healer, Install the re circulation pump on the return line according to the pump manufacturer installation instructions.
INSTALLATION INSTRUCTIONS The factory settling Tor this switch should all be in the OFF position Change the first switch on “DIP 2" to the ON position (UP). Performance mode is selected. Tums On the remote control. The pump and water heater will turn on to raise re circulation loop temperatures. Re circulation Operation The water heater is turned ON when the re circulation pump starts operation. The water heater produces hot water at the setting temperature.
INSTALLATION INSTRUCTIONS 66 ‘} Activating the Water Heater WARNING: NOTICE: Boors operating this water heater, be sz to read 1f you have any problems reading or following and follow the instructions on the following label, the instructions in this manual, STOP and call 2 all isles on the wale heater, and the “Important qualified service technician or contractor. Safely Information” section in this manual.
INSTALLATION INSTRUCTIONS é Operating Instructions Read, understand, and follow the safely information listed on the refrigerating label on gaps 3 and in the “important Safely information” section on pages 2-8 in this manual. tare, Turn the gas shut-of naive clockwise to the OFF position. This valve iz locals on the outside of the water heats. Wait 5 minutes to clear any gas. i you don't smell gas, proceed to Step 3.
INSTALLATION INSTRUCTIONS 68 Water temperatures above 125°F (52°C) will result in death and/or severs isms from scalding. AWARDING: Refer to char below and the scad potentate warnings on pang 4 on this manual before malign an adjustment hanging this sating ls done at your own rl Time/Temperature Relationship in Scalds Time to Produces . ) 2 Serious Bum ( Water \\ Temperatures 1172 to 2 minutes About 30 seconds 135°F (52°C) 130°F (54°C) Less than 3 seconds About 1 1/2 seconds 45°F (63°C) 150°F (66°C) Table c
INSTALLATION INSTRUCTIONS . While “140 is blinking, press the UP and DOWN adjustment buttons at the mass time. “140” will appear without blinking. Crass the UP or DOWN adjustment bunion fo set the desired temperatures. Turn on the gas and water to the water heater by opening the shut-off valves. To Emit maximum water temperatures dotting to 120°F Press the DOWN adjustment bunion repeatedly until 100°F (38°C) or B5°F {28°C) shows in the LED display.
INSTALLATION INSTRUCTIONS ‘} Setting the Water Temperature {cont.} Minimum Temperature Adjustment by the Main Remote Control (UM-117, USG1-117, and USC2-117) Residential water heater temperatures can be adjusted down to 85°F when required. temperature sett Wh Crass the DOWN adjustment button repeatedly e true seedlings down 1o until 100°F (38°C) shows in the LED downplay. T s LED display only shows °F Turn off the gas and water to the water heater by closing the shut-off valves.
INSTALLATION INSTRUCTIONS & High-Altitude DIP Switch Adjustments (cont.) Dip Switches Control Band — Find DIP Switch 2 locales in the top-right portion of the ironic! board. The switch labeled ‘DIP 2° is the bottom switch. The factory settings for this switch should all be in the OFF position {DOWN). if infinitude is above 2000 . (610 m) and below 5,400 ft. {1650 m}, change the third switch on “DIP 2o the ON position (UP). altitude is above 5400 #. (1650 m} and below 8,500 fi.
INSTALLATION INSTRUCTIONS 72 & Water Saving Control Water saving control is optional and is inactive as default. To activate this control, appropriate procedures must be hollowed. Water saving control can reduce waste wale at initiation of hot water demand by reducing flow until set temperature is reached of cutlet hot water. It is recommended 1o turn ON this control i the water heater is installed in & drought area or anywhere water conservation is needed.
INSTALLATION INSTRUCTIONS Dip Sketches Control Bowed — Find DIP Switch 1 located in the !op-rightful portion at the control board. The switch labeled “DIP 17 is the top switch. LAIR, Change the third switch on “DIP 17 to the OFF position (DOWN). Turn on the gas and water fo the water heater by opening the shut-off valves.
INSTALLATION INSTRUCTIONS 74 ‘) Maintenance Notice Maintenance tonics is an optional control and is inactive as default. Maintenance tonics reminds users of water heater maintenance activities such as flushing the heat exchange or replacing the water treatment filter {if applicable)} in order fo maximize the e of your thankless water heater. Contact technical service department listed on ?:ge 26 of this use and cars manual if you are not mi liar with these maintenance activities.
INSTALLATION INSTRUCTIONS Turn on the remote control. Error Code 88 Clearing Turn on the gas and water o the water heater by opening the shut off valves. When a tackiness water hater has 2 certain number of hours of combustion, error code “BE” s shown on the remote control. it ls highly recommended to perform water heater maintenance activities such as flushing the heat exchange and/or replacing the wale treatment filter {if applicable).
PARTS REPLACEMENT 76 ‘} Parts Ordering WARNING: For your safety, DO OT template to disassemble, repaint, of replace any portion of this unit Refer all rapiers, service, and/or adjustments fo qualified service personnel. Address all parts orders o the distribute or stirs where the water heater was purchased. All pairs orders should include: Direct-Vent Gas Components 1. The mode! and serial number of the wale heater from the rating plate. 2. Specify the gas type (natural or LP} as marked on the rating plate.