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Installation and Operating Manual
RESIDENTIAL GAS WATER HEATERS
DIRECT VENTED GAS MODELS
NOT FOR USE IN MANUFACTURED (MOBILE) HOMES
www.gsw-wh.com
•
•
For Your Safety
AN ODOURANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS
PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE CONTACT THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
1404
327539-000
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Related Manuals for GSW ANSI Z21.10.1 - CSA 4.1
Summary of Contents for GSW ANSI Z21.10.1 - CSA 4.1
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Page 1: For Your Safety
Installation and Operating Manual RESIDENTIAL GAS WATER HEATERS DIRECT VENTED GAS MODELS NOT FOR USE IN MANUFACTURED (MOBILE) HOMES www.gsw-wh.com • • For Your Safety AN ODOURANT IS ADDED TO THE GAS USED BY THIS WATER HEATER. ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED. -
Page 2: Table Of Contents
Offset Vent Arrangement ..... 23 Installation Checklist ......25 www. gsw-wh .com... -
Page 3: Safe Installation, Use And Service
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. www. gsw-wh .com... -
Page 4: General Safety
• Use only gas shown on rating plate. • Maintain required clearances to combustibles. • Keep ignition sources away from faucets after extended period of non-use. Read instruction manual before installing, using or servicing water heater. www. gsw-wh .com... - Page 5 • Do not place chemical vapor emitting products near water heater or vent termination hood. • Gas and carbon monoxide detectors are available. Breathing carbon monoxide can cause brain damage or death. Always read and understand instruction manual. www. gsw-wh .com...
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Page 6: Introduction
Contact in this manual. local utilities for code requirements in your area. 6. This product is certifi ed to comply with a maximum weighted average of 0.25% lead content as required in some areas. www. gsw-wh .com... -
Page 7: Typical Installation
30 Sheet Metal Burner (see Figure 3 & 14 *Metal Drain Pan Figure 4) 15 Flexible Manifold Tube (see 31 Gas Orifi ce (see Figure 3 & Figure 3 & Figure 4) Figure 4) 11 12 Rear View Front View Figure 1 Figure 2 www. gsw-wh .com... -
Page 8: Replacement Parts And Deliming Products
This feature is a part of the gas control valve/thermostat (see Figure 1, item 7) and limits the maximum water temperature. In the event of the water overheating, this safety feature shuts off the fuel supply to the burner. Figure 4 www. gsw-wh .com... -
Page 9: Locating The New Water Heater
• Sensors mounted in the metal drain pan that turn off the water supply to the entire building when water is detected in the metal drain pan. www. gsw-wh .com... -
Page 10: Air Requirements
(1”) except as noted in Figure 20. If clearances stated Read instruction manual before on the heater differ from these clearances, install water installing, using or servicing heater according to clearances stated on the heater (see water heater. Figure 6). www. gsw-wh .com... -
Page 11: Storage Of Flammable Liquids
fl ame or spark producing appliance. Examples of such locations are garages, storage and utility areas. www. gsw-wh .com... -
Page 12: Water Piping
Consult a Qualifi ed Installer or Service Agency. Follow Figure 8 mixing valve manufacturer’s instructions for installation of the valves. Before changing the factory setting on the thermostat, read the “Operating The Temperature Control System” section in this manual. www. gsw-wh .com... -
Page 13: Installing The New Water Heater
3 minutes after a constant fl ow of water is obtained. intended for the constant relief of thermal expansion. This Close the faucet, reinstall the aerator and check all condition is not covered under the limited warranty. connections for leaks. Repair as needed. www. gsw-wh .com... -
Page 14: Temperature-Pressure Relief Valve
Btu/hr input rate as shown on the water heater’s model BURN rating plate. For safe operation of the water heater, the temperature- pressure relief valve must not be removed from its www. gsw-wh .com... -
Page 15: Temperature-Pressure Relief Valve And
Important: The insulation and tape must not block the discharge opening or hinder access to the manual relief lever (Figure 10). Ensure a discharge pipe is installed into the T&P valve discharge opening per the instructions in this manual. www. gsw-wh .com... -
Page 16: Space Heating And Potable Water Systems
fi rst signs of thermosiphoning. • The hot water line from the water heater should be vertical past any mixing valve or supply line to the heating system to remove air bubbles from the system. www. gsw-wh .com... -
Page 17: Combo Heating
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. www. gsw-wh .com... -
Page 18: Gas Piping
A gas line of suffi cient size must be run to the water heater. Consult the current edition of the “Natural Gas and Propane Installation Code” B149.1 and your gas supplier concerning pipe size. www. gsw-wh .com... -
Page 19: Sediment Trap
(sometimes called a dirt leg) must be incorporated in the piping. The sediment trap must be readily accessible. Install in accordance with the “Gas Piping” section. Refer to the current edition of the “Natural Gas and Propane Installation Code” B149.1 . www. gsw-wh .com... -
Page 20: Venting
FIRE, EXPLOSION OR ASPHYXIATION. of the “Natural Gas and Propane Installation Code” B149.1 as follows: DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATING AIR. ADEQUATE AIR FOR COMBUSTION AND VENTILATION MUST BE PROVIDED FOR SAFE OPERATION. Figure 14 www. gsw-wh .com... -
Page 21: Dv Termination Safety Cover
432mm (17”) minimum vent length. Figure 16 Alternatively, a wire mesh or louvered fencing guard can be built around the termination as shown in Figure 17. www. gsw-wh .com... -
Page 22: Vent Assembly
4 screw anchors (included) 4. Use metal hangers to keep venting level or with a appropriate for the type of wall construction. Caulk the slope upward from the heater to terminal. www. gsw-wh .com... -
Page 23: Vent Connection To The Water Heater
Figure 26 Note: To ensure good exhaust gas fl ow, bend vent piping using a smooth, easy curve as shown in Figure 23 thru Figure 25. Do not use reverse or compound curves as shown in Figure 26. www. gsw-wh .com... - Page 24 8. Distance above horizontal at full extension is 50mm (2”). 9. Use support stays to hold the venting to avoid sags or valleys. Figure 28 www. gsw-wh .com...
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Page 25: Installation Checklist
Vent restricter plate installed on heater flue outlet as applicable. Inside pipe (3”) and outside pipe (6”) securely fastened to water heater with silicone and gear clamps. Not obstructed in any way. www. gsw-wh .com... -
Page 26: Lighting Instructions
"OFF". Le témoin lumineux cesse de clignoter et reste stay on for a short time after the water heater is turned off. allumé un court moment après l'arrêt du chauffe-eau (Figure A). See Figure ‘A’. 329353-000 www. gsw-wh .com... -
Page 27: Temperature Regulation
Figure 30. There is a hot water scald potential if the thermostat is set too high. Note: Temperatures shown on the gas control valve/ thermostat are approximates. The actual temperature of the heated water may vary. www. gsw-wh .com... -
Page 28: For Your Information
Good venting is essential for a gas fi red water heater to operate properly as well as to carry away products of combustion and water vapour. www. gsw-wh .com... -
Page 29: Strange Sounds
Do not remove the anode leaving the tank unprotected. By doing so, all warranty on the water heater tank is voided. www. gsw-wh .com... -
Page 30: Maintenance
The combustion and ventilation air fl ow must not be any operational problem. obstructed. 2. Damage or deterioration which could cause improper venting or leakage of combustion products. www. gsw-wh .com... -
Page 31: Burner Flames
Do not insert any sharp objects into the inlet or threads on the manifold tube. outlet connections. Damage to the gas control valve/ 5. Use needle nose pliers to disconnect the thermopile thermostat may result. connector from the gas control valve/thermostat (see Figure 32). www. gsw-wh .com... -
Page 32: Removing The Burner From The Manifold/Burner
Figure 34. THERMOPILE WIRES PILOT TUBE NOT SHOWN FOR CLARITY Figure 36 7. Route the new pilot tube, igniter wire and thermopile wires through the opening in the manifold door (see Figure 35). www. gsw-wh .com... -
Page 33: Replacing The Manifold/Burner Assembly
5. Tighten the two screws that secure the manifold/burner explosion, or fire. assembly to the combustion chamber. (Use a 1/4” nut driver.) There should be no space between the gasket part of the manifold door and combustion chamber. www. gsw-wh .com... -
Page 34: Piezoelectric Igniter System
6. Open the water heater drain valve. 7. Close the water heater drain valve when all water in the storage tank has drained. www. gsw-wh .com... -
Page 35: To Refi Ll The Water Heater Storage Tank
4. Remove the washer and put the new one in place. 5. Screw the handle and cap assembly back into the drain valve and retighten using a wrench. DO NOT OVER TIGHTEN. 6. Follow “Refi lling” instructions in the “Draining, Refi lling Figure 41 And Flushing” section. www. gsw-wh .com... -
Page 36: To Remove The Anode Rod
(see Figure 41). Keep in a safe place for reinstallation later. 6. Remove the anode rod by using a ratchet and a 1-1/16” socket turning counter-clockwise (see Figure 41). www. gsw-wh .com... -
Page 37: Leakage Checkpoints
DO NOT replace the water heater until a full inspection of all possible water sources is made and necessary corrective steps taken. M. The combo heating system connections may be leaking. Leakage from other appliances, water lines, or ground seepage should also be checked. www. gsw-wh .com... -
Page 38: Reference Parts Listing
34 Manifold Door (see Figure 3 & Figure Figure 4) (see also Figure 46 & 4) (see also Figure 46 & Figure 47) Figure 47 13 *Floor Drain 14 *Metal Drain Pan 11 12 Front View Rear View Figure 44 Figure 45 www. gsw-wh .com... - Page 39 The orifi ce on Natural gas models has Right-hand thread, the orifi ce on 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. www. gsw-wh .com...
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Page 40: Troubleshooting Guidelines
1. Clean, locate source and correct 2. Low gas pressure 2. Check with gas utility company PILOT FLAME TOO 3. Defective pilot 3. Replace pilot SMALL 4. Incorrect gas 4. Check rating plate for correct gas type. Check with gas utility company www. gsw-wh .com... - Page 41 2. Check with gas utility company 1. Defective gas control/thermostat 1. Replace gas control/thermostat FLAME BURNS AT 2. Low gas pressure 2. Check with gas utility company ORIFICE 3. Orifice not properly installed 3. Reinstall the orifice www. gsw-wh .com...
- Page 42 Pilot is lit but the thermopile Turn Gas Control Valve/Thermostat knob to is not producing the required “OFF”. The thermopile is probably defective, but output voltage. loose wiring connections or a weak Pilot flame can also cause this symptom. www. gsw-wh .com...
- Page 43 If this condition returns, replace the gas control valve/thermostat. See “Removing And Replacing The Gas Control Valve/Thermostat” for instructions. www. gsw-wh .com...
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Page 44: Notes
NOTES www. gsw-wh .com... - Page 45 NOTES www. gsw-wh .com...
- Page 46 NOTES www. gsw-wh .com...
- Page 47 NOTES www. gsw-wh .com...
- Page 48 599 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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I need a replacement anode rod for Z21.10.1 - CSA 4.1 model FMDV-30 250. Can you assist me i cant seem to find which rod I should buy in the manual?