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Bradford White EverHot Tankless Gas Water Heater
For Exterior Installation
TG-150E-N(X), TG-180E-N(X), TG-199E-N(X), TG237E-N(X) & TG-237E-N(X)A
WARNING: If the information in these
instructions is not followed exactly, a fire or
explosion may result causing property
damage, personal injury or death.
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity of this
or any other appliance
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SECTION I: IMPORTANT INFORMATION READ CAREFULLY This gas-fired water heater is design certified by CSA International under the American National Standard, Z21.10.3 (as indicated on the rating plate) and CAN/CGA 4.3-M (as indicated on the rating plate) available from CSA Standards Association, 5060 Spectrum Way, Mississauga, Ontario, Canada L4W 5N6. This water heater must be installed in accordance with local codes. In the absence of local codes, it must be insta
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DANGER DO NOT store or use gasoline or other flammable, combustible, or corrosive vapors and/or liquids in the vicinity of this or any other appliance. This water heater is for outdoor installation only. Do not install indoors. This water heater is equipped with an adjustable thermostat to control water temperature. Hot water temperatures required for automatic dishwasher and laundry use can cause scald
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WARNING DO NOT tamper with or alter the water heater and/or controls. DO NOT operate water heater with jumpered or absent controls or safety devices. DO NOT operate water heater if any external part has been under water. Immediately call a qualified service technician to inspect the water heater and to replace any part of the control system including gas controls, which has been under water. DO NOT attempt to use this water he
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WARNING Liquefied petroleum gases/propane gas is heavier than air and will remain at floor level if there is a leak. Basements, crawl spaces, closets and areas below ground level will serve as pockets for accumulation of leaking gas. Before lighting, smell all around the appliance area for gas. Be sure to smell next to the floor. IF YOU SMELL GAS: DO NOT try to light any appliance. DO NOT touch any ele
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SECTION II: SPECIFICATIONS Table 1. Specifications. Model TG-150E-N(X) TG-180E-N(X) TG-199E-N(X) TG-237E-N(X) TG-237E-N(X)A Minimum Rate Btu/h 15,000 19,000 Maximum Rate Btu/h 150,000 180,000 199,000 237,000 0.6-6.3 GPM 0.6-7.5 GPM 0.6-9.4 GPM 0.6-9.8 GPM Flow Rate (Min-Max) * (2.3-24 L/min) (2.3-28.4 L/min) (2.3-35.5 L/min) (2.3-37 L/min) 5.5 GPM 6.6 GPM 7.1 GPM 8.5 GPM Flow Rate (45ºF rise) (20.8 L/min) (25.1 L/min) (27.0 L/min) (32.2 L/min) Default Temperature Setting 104°F (40°
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Dimensions TG-150E-N(X), TG-180E-N(X), TG-199E-N(X) TG-237E-N(X), TG-237E-N(X)A Table 2. Water Heater Dimensions. TG-150E-N(X) TG-237E-N(X) TG-180E-N(X) DIM DESCRIPTION TG-237E-N(X)A TG-199E-N(X) in. (mm) In. (mm) A Width 14 (355.6) 18 1/2 (470) B Depth 9 7/8 (249.5) 9 3/8 (230.5) C Height - Unit 22 7/8 (582) 23 5/8 (600) D Height - with brackets 25 3/8 (646.4) 25 1/8 (640) E Hot Water Outlet - from wall 3 7/8 (96) 4 1/2 (115) F H
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TG-237E-N(X) TG-150E- TG-180E- TG-199E- TG-237E-N(X)A N(X) N(X) N(X) Figure 1. Graph Showing Pressure Drop v. Water Flow Rate. TG-237E-N(X) & TG-237E-N(X)A TG-199E-N(X) TG-180E-N(X) TG-150E-N(X) Figure 2. Graph Showing Water Flow Rate v. Temperature Rise. 8
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SECTION III: INSTALLATION INSTRUCTIONS WARNING INSTALLATION OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED PLUMBER. Plumbing, air supply, venting, gas supply and electrical work are required. DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT CERTAIN OF THE FOLLOWING: Liquefied petroleum gases/propane gas and natural gas have an odorant added by the gas supplier that aids in detection of the gas. Most people recognize this odor
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WARNING Residential use water heaters are suitable for potable water heating only. DO NOT use a residential use water heater for space heating or combination space heating/domestic WARNING water heating. Commercial use water heaters may be used for space heating or combination space heating/domestic water heating. Refer to the instructions for space heating in this Installation and Operation Instruction Manual. This water heater is not suitable for use i
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REMOVE CARTON Move water heater to a location near where it will be installed. Carefully slide water heater out from the carton and remove all the contents. MOUNT WATER HEATER ON THE WALL This water heater must be installed outdoors. Refer to Table 3 clearances under overhangs, windows, doors, etc. Also, avoid locations where there is heavy water run-off from roofs. Determine the proper height and location for the water heater to be installed. Consider the water and gas connec
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State Regulations NOTICE BEFORE INSTALLATION Bradford White direct-vent appliance must be installed by a state qualified or licensed contractor. If you are not properly trained, you must not install this unit. IMPORTANT: In the State of Massachusetts (248CMR 4.00 & 5.00) For all side wall 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 Commonwe
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WARNING For all closet installations, follow the minimum clearances to combustibles whether the closet door is combustible or non-combustible. VENT TERMINAL AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED Figure 3. Installation Clearances. 13 G H A M I B K D FIXED CLOSED E B OPERABLE C B B FIXED J CLOSED B A OPERABLE L F B
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Table 4. Installation Clearances. Canadian US Ref Description Installations Installations Clearance above grade, veranda, 12 inches 12 inches A porch, deck, or balcony (30 cm) (30 cm) Clearance to window or door that 36 inches 12 inches B may be opened (91 cm) (30 cm) Clearance to permanently closed C * * window Vertical clearance to ventilated soffit, located above the terminal D within a horizontal distance of 2 * * feet (61 cm) from the center line of the terminal E Cl
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Local codes supersede these clearances. Avoid termination locations near a dryer vent. Avoid termination locations near commercial cooking exhausts. (0.91 m) to ventilated or unventilated soffit or eve * 36" vent or to a deck or porch 12" (0.30 m) to an inside 2" (50 mm) between terminals at same level INSIDE CORNER Figure 4. Additional Installation Clearances. 15
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High Altitude Installations The default setting for the water is 0-2,000 ft (0-610 m) with dip switch numbers 2 and 3 in the OFF position. If this water heater is installed at a higher altitude, it is necessary to modify the dip switch settings according to Table 5. Table 5. Dip Switch Settings for High Altitude Installations. 0-2000 ft 2001-5200 ft 5201-7700 ft 7701-10200 ft (0-610 m) (610-1585 m) (1585-2347 m) (2347-3109 m) Switch No. 2 OFF OFF ON ON Switch No. 3 OFF ON OFF ON
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SECTION IV: WATER CONNECTIONS WARNING Failure to install and maintain a new, listed pressure relief valve will release the manufacturer from any claim, which might result from excessive temperature and pressures. Keep clear of the pressure relief valve discharge line outlet. The discharge may be hot enough to cause scald injury. The water is under pressure and may splash. WARNING DO NOT reverse the inlet and outlet (cold and hot water) connections on the water heater. This m
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potable water. Unions should be installed on both the hot and cold water lines for future servicing and disconnection of the water heater. Install a shut-off valve in the cold water supply line. 2. In order to service the water heater in the event the heat exchanger needs to be flushed of mineral deposits, tee fittings with shut-off valves and service connections to hoses should be installed. Also, install a shut-off valve to the hot water supply to isolate the service tee fittings.
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Figure 5. Scald Warning. Table 7. Approximate scald time/temperatures. APPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS More than 5 minutes 120°F (49 C) 1½ to 2 minutes 125°F (52 C) 130°F (54 C) About 30 seconds 135°F (57 C) About 10 seconds Less than 5 seconds 140°F (60 C) Less than 3 seconds 145°F (63 C) 150°F (66 C) About 1½ seconds 155°F (68 C) About 1 second 19
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Figure 6. Recommended Piping for a Basic Installation. 20
