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Installation Outdoor Tankless Water Heater
Models GN75ENSRSA, GN94ENSRSA, GP94ENSRSA
Instructions
FOR OUTDOOR APPLICATIONS ONLY
Questions? Call 888-HOTWTER (888.468.9837) or Visit our website at ge.com
WARNING: Read entire manual. Failure to follow all guides and rules could cause personal
injury or property damage.
• Check with your state and/or local public works department for plumbing codes. You must follow their
guides as you install the Water Heater.
NOTE: Failure to comply with these inst
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Installation Instructions SAFETY PRECAUTIONS (cont.) DANGER • The appliance must be isolated from the gas supply piping system by closing its individual Read and follow water heater warnings and manual shut-off valve during any pressure instructions. If owner’s manual is missing, contact the retailer or manufacturer. testing of the gas supply piping system at test pressures equal to or less than 1/2 psi (3.5 kPa) (13.84 in W.C.). • The appliance should be located in an area SAFETY PRECAUTIONS (c
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Installation Instructions PARTS PROVIDED Locate the parts packed with the Water Heater. 1 4 #10 x 1 ⁄4″ Wood Screws Remote Control Gas Valve 3/4″ FNPT Ball Valve TOOLS YOU WILL NEED OTHER TOOLS THAT MIGHT BE REQUIRED • Pipe Wrenches (2) • Gloves • Hammer Drill with Concrete Bits • Adjustable Pliers • Safety Glasses • Saw • Screwdrivers (2) • Threading Machine with Heads and Oiler • Wire Cutters • Core Drill with Diamond Head • Torch Set • Copper Tubing Cutter • Steel Pipe Cutter MATERIALS YOU WI
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Installation Instructions DIMENSIONS A B H E G I F J L C D K GN75/GN94/GP94ENSRSA DIM. DESCRIPTION IN. (MM) A Width 14 (355.6) 13 B Depth 9 ⁄ 16 (249.5) 7 C Height – Unit 22 ⁄ 8 (582) 3 D Height – with brackets 25 ⁄ 8 (646.4) 13 E Hot Water Outlet – from wall 3 ⁄ 16 (96) 5 F Hot Water Outlet – from center 4 ⁄ 16 (110) G Cold Water Inlet – from wall 3 (75) 1 H Cold Water Inlet – from center 1 ⁄ 8 (27) 1 I Gas Connection – from wall 4 ⁄ 8 (104) 1 J Gas Connection – from center 3 ⁄ 2 (89) 5 From ba
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Installation Instructions FLUE TERMINAL CLEARANCES U.S. INSTALLATIONS CLEARANCES PER REF DESCRIPTION ANSI Z21.10.3 A Clearance above grade, veranda, porch, deck or snowline 36 inches (91 cm) B Clearance to window or door that may be opened 12 inches (30 cm) C Clearance to permanently closed window * D Vertical clearance to ventilated soffit, located above the terminal * within a horizontal distance of 2 feet (61 cm) from the center line of the terminal E Clearance to unventilated soffit * F Clea
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Installation Instructions FLUE TERMINAL CLEARANCES (ANSI Z21.10.3 • CSA 4.3) 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 VENT TERMINAL AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED ADDITIONAL CLEARANCES – VENT TERMINAL Local codes supersede these clearances. • Avoid termination locations near a dryer vent. • Avoid termination locations near commercial cooking exhaust. (0.91 m) to ventilated or unventilated soffit or eave vent; or * 36" to a deck
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Installation Instructions PLANNING FOR PLUMBING (shown with optional pipe cover) Unit 36″ min. 1 ″ 6 ⁄2 7″ Optional Pipe Cover (AGTPCM) shown shaded. 12″ Pipe cover not required, However, 1 4 ⁄2″ consideration should be taken in the design of the rough plumbing to allow 7 ″ 9 ⁄8 installation of unit and pipe cover 18″ min. 3 Water and gas ⁄8 3 ″ through the wall * 9″ 1 2 ⁄2″ 1 2 ⁄2″ 1 2 ⁄2″ * Suggested area for Water and Gas lines to come through the wall to allow the optional pipe cover Ground
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Installation Instructions CLEARANCES FOR WATER HEATER MOUNTING THE WATER HEATER (cont.) 1 Identify the installation location and confirm To top that the installation will meet all required clearances. Use mounting template to locate screw or anchor locations. 2 Securely attach the water heater to the wall using the brackets located at the top and bottom of the water heater. To side 3 Ensure that the attachment strength is sufficient to support the weight. Refer to the weight of the water heater
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Installation Instructions MOUNTING THE WATER HEATER (cont.) ON MASONRY OR CEMENT WALL: Mount 4 wall anchors (not supplied) suitable to carry 200 lbs minimum tensile load each. Level the unit during installation. IMPORTANT: Anchors suitable for masonry or concrete are to be supplied by the installer. 9
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Installation Instructions CONNECTING THE WATER HEATER TO GAS AND WATER 1 GAS PIPING 1 GAS PIPING (cont.) GENERAL INSTRUCTIONS PIPE SIZING PROCEDURE • Make sure gas supply is off prior to making The gas supply to the home must be capable any connections to the water heater. A manual of handling the entire gas load of the home, gas control valve, provided with this water calculated by adding the BTU rating of each gas heater, must be placed in the gas supply line appliance in the home. State and l
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Installation Instructions CONNECTING THE WATER HEATER 2 TO THE GAS SUPPLY Connect the gas supply to the system following state and local plumbing codes. Use the supplied ball valve at the inlet to the system. Make sure the gas supply line to the water heater fits in the diagram shown on page 7. This is essential if a pipe cover accessory (model number AGTPCM) is to be installed. IMPORTANT: Use a pipe wrench to securely hold on to the end of the water heater gas inlet to prevent twisting the inle
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Installation Instructions CONNECTING THE WATER HEATER TO GAS AND WATER (cont.) 3 WATER PIPING 3 WATER PIPING (cont.) GENERAL INSTRUCTIONS PRESSURE RELIEF VALVE (cont.) • The water supply should be shut off while • The relief valve must be rated up to 150 psi and connecting the water heater. Make sure the to at least the maximum BTU/hr of the appliance. water inlet and outlet lines to the water heater fit • The discharge from the pressure relief valve in the diagram shown on page 7. A manual wate
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Installation Instructions CONNECTING THE WATER HEATER SUPPLEMENTAL FREEZE PROTECTION TO THE WATER SUPPLY If the unit is installed in an environment that can freeze, follow state and local codes and apply heat trace to ALL water pipe and fittings located outside (attic, crawl space or building structure). It is highly recommended in areas where freezing Hot Outlet temperatures occur to install automatic drain Shut-Off Valve valves that work in the event of a power loss. Refer to the diagram in th
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Installation Instructions RECOMMENDED PIPING FOR BASIC INSTALLATION NOTE: If unit is installed in an environment that can freeze, follow state and local codes and apply heat trace to ALL water pipes and fittings located outside (attic, crawl space or building structure). KEY This is not an engineered drawing; it is intended only as a guide and not as a replacement for professionally engineered project drawings. This 3/4″ Ball Valve Pressure Relief Valve drawing is not intended to describe a comp
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Installation Instructions FREEZE PROTECTION FOR EXTERNAL PIPING IMPORTANT! With electrical power supplied to the water heater, it will not freeze in environments as cold as -30°F, when protected from direct wind exposure. In the event of a power failure at temperatures below freezing, the water heater should be drained of all water to prevent freezing damage. The unit may be drained manually, or through the installation of the optional solenoid valves as shown. The unit may be drained manually;
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Installation Instructions 4 ELECTRICAL CONNECTION INFORMATION WARNING – To reduce the risk of fire, electrical shock and personal injury: The water heater must be electrically grounded in accordance with local codes and ordinances or, in the absence of local codes, in accordance with the NATIONAL ELECTRICAL CODE, ANSI/NFPA NO. 70, or the CANADIAN ELECTRICAL CODE, CSA C22.1. ELECTRICAL REQUIREMENTS This appliance must be supplied with 120V, 60Hz, and connected to a properly grounded branch circui
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Installation Instructions HIGH ALTITUDE INSTALLATIONS Set dip switches 2 and 3 to the values shown in the WARNING: Do not adjust the other table below for your altitude. The default setting for dip switches unless specifically instructed to do so. the appliance is 0-2000 ft (0-610 m) with switches If unsure of the altitude in your location, call No. 2 and No. 3 in the OFF position. 1.888.HOTWTER (888.467.9837). 0–2000 ft. 2001–5200 ft. 5201–7700 ft. 7701–10200 ft. (0–610 m) (610–1585 m) (1585–23
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Installation Instructions REMOTE CONTROLLER INSTALLATION REMOTE CONTROLLER INSTALLATION (cont.) LOCATION • The controller should MOUNTING THE CONTROLLER be out of reach of small 1 Determine a suitable location for children. the controller. • Avoid locations where 2 Mount a single gang outlet box in the wall the controller may where the remote control is indicated. become hot (near the 3 Run the cable between the controller oven or radiant heater). and the water heater or the controller • Avoid l
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Installation Instructions REMOTE CONTROLLER INSTALLATION (cont.) CLEANING THE INLET FILTER (cont.) 9 Use pressurized air to remove dust from the main MOUNTING THE CONTROLLER (cont.) burner, heat exchanger and fan blades. Do not use a 10 Thread the cable through the access hole at the base wet cloth or spray cleaners on the burner. Do not use of the unit and connect the wires to the controller volatile substances such as benzene and thinners. terminals on the bottom right-hand side of the PCB. Th
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Installation Instructions TECHNICAL DATA PRESSURE DROP CURVE GN75 GN94/GP94 OUTLET FLOW DATA GN94/GP94 GN75 20
