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All manuals and user guides at all-guides.com Installation and Operating Manual RESIDENTIAL GAS WATER HEATERS POWER DIRECT VENT GAS MODELS WITH HOT SURFACE IGNITION NOT FOR USE IN MANUFACTURED (MOBILE) HOMES • • For Your Safety AN ODOURANT IS ADDED TO THE GAS USED BY THIS WATER HEATER.
The gas supplier typically has responsibility for the inspection and code approval of gas piping up to and including the Natural Gas meter or Propane storage tank of a building. Many gas suppliers also offer service and inspection of appliances within the building. 328765-000 www. gsw-wh .com...
All manuals and user guides at all-guides.com GENERAL SAFETY www. gsw-wh .com 328765-000...
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4. can be carried from other 3. tightly closed and rooms to the electrodes 4. out of children's reach. by air currents. Installation: Do not install the water heater where flammable products will be stored or used. 328765-000 www. gsw-wh .com...
Since we cannot put everything on the fi rst few pages, READ ENTIRE MANUAL BEFORE ATTEMPTING TO INSTALL OR OPERATE THE WATER HEATER. www. gsw-wh .com 328765-000...
Figure 1 and see also Figure 7 & Figure 8). If the heater is to be installed in a Combo Heating application, these plugs must be removed. Figure 4 Shown with Junction Box Cover removed for clarity. Figure 5 www. gsw-wh .com 328765-000...
MANUFACTURER OR EXTERNAL Figure 8 TO THE BUILDING METAL DRAIN PAN 45mm (1.75”) MAX. DEPTH. AT LEAST 50mm (2”) GREATER THAN THE DIAMETER OF THE WATER HEATER. 305mm (12”) DRAIN MAX. AIR VALVE GAP* Figure 7 328765-000 www. gsw-wh .com...
Before changing the factory setting on the STANDBY UNTIL VENT TEMPARATURE IS thermostat, read the “Operating The Temperature Control NEXT CALL FOR NOT ABOVE THE System” section in this manual. HEAT ALLOWEBLE LIMIT Figure 9 www. gsw-wh .com 328765-000...
IGNITER - FLAME ROD ASSEMBLY BLACK WHITE WHITE GREEN BLUE BLOWER BLACK SMOOTH - LINE BLACK RIBBED - NEUTRAL BLUE BLACK BLACK MIDDLE - GND GREEN 120Vac/60Hz Wall Plug HONEYWELL GAS VALVE JUNCTION BOX Figure 10 328765-000 www. gsw-wh .com...
(NO) air pressure switch will shut down the heater. In the event that the intake pipe becomes suffi ciently blocked or restricted, the normally closed (NC) air pressure switch will shut down the heater. www. gsw-wh .com 328765-000...
• Do not operate water heater if in conjunction with a piped metal drain pan. These devices flood damaged. are available from some plumbing supply wholesalers and retailers, and detect and react to leakage in various ways: 328765-000 www. gsw-wh .com...
All power vented water heaters generate a certain amount of operational noise. In order to minimize noise transmission to the support structure, it is recommended to use isolation pads between the pipe hangers and the vent pipe. www. gsw-wh .com 328765-000...
Damage or fracture of the vent piping may occur if the condensate is allowed to collect and freeze. Pooling of condensate can restrict airfl ow and can cause nuisance failures of the system. 328765-000 www. gsw-wh .com...
• Do not connect the water heater to any system or components previously used with non-potable water Toxic Chemical Hazard heating appliances when used to supply potable water. • Do not connect to non-potable water system. www. gsw-wh .com 328765-000...
The following is a list of requirements for the installation of option A or B. 1. Install shut-off valves and unions so that the water heater can be isolated from the heating module should servicing of the water heater become necessary. 328765-000 www. gsw-wh .com...
Do not solder the water lines directly to the • Do not apply heat to cold water inlet. water heater connections - it will harm the dip tube and • Contact qualified installer or service agency. heat traps and damage the tank. www. gsw-wh .com 328765-000...
Have a qualified technician make sure that the L.P. 7. Add additional sections of pipe insulation as needed. gas operating pressure does not exceed 13" water column. Failure to do so can result in death, explosion, or fire. www. gsw-wh .com 328765-000...
The appliance and its gas connection must be leak tested before placing the appliance in operation. The appliance and its individual shut-off valve should be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in 328765-000 www. gsw-wh .com...
Allow water to run until a constant fl ow is obtained. This will let air out of the water heater and the piping. 6. Check all water piping and connections for leaks. Repair as needed. www. gsw-wh .com 328765-000...
(2” venting only). Vent pipe must be installed in accordance with all local and provincial or state codes or, in the absence of such, the latest edition of “Natural Gas and Propane Installation Code” B149.1 . 328765-000 www. gsw-wh .com...
91cm (3’) within a height minimum of two sides beneath the fl oor. center line extended above 15’ * above the regulator “Clearance in accordance with local installation codes and the regulator requirements of the gas supplier.” www. gsw-wh .com 328765-000...
“A” & “B”: ABOVE SNOW 2 5 m m I N T A ACCUMULATION LEVEL V E N ( 1 ” ) T E R M OR 450mm (18”) MIN. I N A L ABOVE ROOF. Figure 21 328765-000 www. gsw-wh .com...
NOTE: IF AN ELBOW IS REQUIRED BY LOCAL CODES INSTALL SCREEN IN ELBOW INSTEAD OF CONCENTRIC VENT 90° SHORT SWEEP ELBOW 90° LONG SWEEP ELBOW EXHAUST. SCREEN (MORE RESTRICTIVE) (LESS RESTRICTIVE) Figure 24 Figure 26 www. gsw-wh .com 328765-000...
4’ (1.22m) 2.5’ (0.76m) 5. Two 45° elbows are considered the equivalent of 4" one 90° elbow. 6. The equivalent length of the sound suppressor is similar to that of a short sweep 90° elbow. Table 3 328765-000 www. gsw-wh .com...
VENT LENGTH GREATER THAN VENT LENGTH GREATER THAN USE THIS SCREEN (SUPPLIED). 38 EQUIVALENT METRES 15.2 EQUIVALENT METRES (125 EQUIVALENT FT.) (50 EQUIVALENT FT.) USE THIS USE THIS SCREEN (SUPPLIED). SCREEN (SUPPLIED). Figure 27 Figure 28 www. gsw-wh .com 328765-000...
Use the rubber coupling and gear clamps instead. This connection must be removable to service the heater. All other joints in the air intake and exhaust vent systems must be properly cemented. 328765-000 www. gsw-wh .com...
2” or 3” pipe. To start off with an elbow, a short section of the straight pipe must be cut and glued into the end of the elbow that will mount in the rubber coupling. www. gsw-wh .com 328765-000...
• Do not overtighten the top and bottom gear clamps of the rubber coupling. • Do not apply solvent cement or silicone to the rubber coupling connection. BLOWER ASSEMBLY 203mm (8”) LOOP HOSE CONNECTION DRAIN PORT FOR CONDENSATE DRAIN Figure 29 328765-000 www. gsw-wh .com...
“Natural Gas and Propane Installation Code” B149.1 . Horizontal piping slopes at an upward pitch of 3mm (1/8”) rise per 1.52m (5’) away from the water heater. Not obstructed in any way. www. gsw-wh .com 328765-000...
TO TURN OFF GAS TO APPLIANCE 1. Turn the thermostat counter-clockwise to the lowest setting. 2. Set the gas control switch to the “OFF” position. 3. Turn off electrical power to the appliance if service is to be performed. 323546-000 328765-000 www. gsw-wh .com...
(see Figure 7 & Figure 8). Follow manufacturer’s instructions for installation of the valves. Before changing the factory setting on the thermostat, in this manual, see Table 4. www. gsw-wh .com 328765-000...
This effectively turns the controller temperature setting down to a temperature that prevents the water in the water heater from freezing while still conserving energy. 328765-000 www. gsw-wh .com...
Be sure the vent piping is properly connected to prevent escape of dangerous fl ue gases which could cause deadly asphyxiation. Obstructions and deteriorated vent systems may present serious health risk or asphyxiation. 328765-000 www. gsw-wh .com...
• Failure to follow this warning least once a year. can result in excessive tank pressure, serious injury or death. When checking the temperature-pressure relief valve www. gsw-wh .com 328765-000...
7. Follow instructions in the “Filling The Water Heater” section. 8. Turn “ON” the gas supply at the main gas shut-off valve. 9. Follow the lighting instructions on the label or see “Lighting Instructions” to restart the water heater. 328765-000 www. gsw-wh .com...
The anode rod should be inspected after a maximum of three years and annually thereafter until the condition of the anode rod dictates its replacement (see Figure 43). Figure 44 www. gsw-wh .com 328765-000...
I. Water in the water heater bottom may be from condensation, loose connections, or the relief valve. DO NOT replace the water heater until a full inspection of all possible water sources is made and necessary corrective steps taken. Figure 45 328765-000 www. gsw-wh .com...
*, **, ***, **** see notes on following 38 Gas Manifold (see Figure 3 & Figure 4) (see also Figure 48 & Figure 49) page AIR INLET EXHAUST OUTLET PIPING PIPING 11 12 14 15 Front View Rear View Figure 46 Figure 47 www. gsw-wh .com 328765-000...
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Propane (LP) models has Left- †† hand thread. †† For Natural gas models the Flare Nut has Right-hand thread. For Propane (LP) models the Flare Nut has Left-hand thread. Figure 49 328765-000 www. gsw-wh .com...
Prove Period not been corrected, the control will remain or again go back into lockout. Pressure Switch (PS) Fault Delay (failed 2 minutes open/closed) Soft Lockout 20 minutes Energy Cut Off Indefi nite (ECO) Limit Lockout www. gsw-wh .com 328765-000...
Eight-One Flash, three second pause (Flammable Vapour Sensor Fault Detected) Eight-Two Flash, three second pause Temperature Sensor Fault Detected Eight-Three Flash, three second pause Electronics Fault Detected Eight-Four Flash, three second pause Valve Fault Detected LED continuously “ON” Hard Lockout 328765-000 www. gsw-wh .com...
1. Turn the power “OFF” for 10-20 seconds then “ON” again to clear the fault code. 2. Flame rod not properly seated in flame, reposition rod. 3. Clean flame sensor rod with fine steel wood to avoid lock-out. 4. Replace the control if the fault code persists. www. gsw-wh .com 328765-000...
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1. Turn the power “OFF” for 10-20 seconds then “ON” again to clear the fault code. 2. Replace the control if the fault code persist. 1. Control has failed. If resetting the control does not clear the fault code, replace the control. 328765-000 www. gsw-wh .com...
Too Hot 3. Blower high limit switch fails to 2. Ensure that the proper restrictive screens were open - switch defective used. 3. Replace blower high limit switch www. gsw-wh .com 328765-000...
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All manuals and user guides at all-guides.com 599 Hill St. West, Fergus, ON N1M 2X1 Phone: 888-479-8324 • Fax: 519-787-5500 Email: info@gsw-wh.com www.gsw-wh.com...
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