DAMPER EQUIPPED GAS WATER HEATER A Spanish language version of these instructions is available by contacting the company listed on the rating plate. La version espanola de estas instrucciones se puede obtener al escribirle a la fabrica cuyo nombre aparece en la placa de especificaciones.
CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation and instruction manual will explain in detail the installation and maintenance of your new Damper Equipped Flammable Vapor Ignition Resistant Gas Water Heater. We strongly recommend that you contact a plumbing professional for the installation of this water heater. We require that you carefully read this manual, as well as the enclosed warranty, and refer to it when questions arise.
TABLE OF CONTENTS Page GENERAL INFORMATION ................................................................... 4 INSTALLATION .................................................................................... 6 Locating the Water Heater ............................................................... 6 Minimum Clearances ....................................................................... 9 Venting ............................................................................................
GENERAL INFORMATION This gas-fired water heater is design certified by CSA International under the applicable American National Standard, Z21.10.1-Latest Edition or CSA 4.1Latest Edition, available from CSA International, 8501 East Pleasant Valley Road, Cleveland, OH 44131-5575, USA. This water heater must be installed in accordance with local codes. In the absence of local codes, it must be installed in compliance with the National Fuel Gas Code, ANSI Z223.
General Information continued- IMPORTANT Before proceeding, please inspect the water heater and components for possible damage. DO NOT install any damaged components. If damage is evident, please contact the supplier where the water heater was purchased or the manufacturer listed on the rating plate for replacement parts. This water heater has been manufactured for operation at altitudes from sea level to 2000 feet (610 m) (unless otherwise specified on the water heater rating plate).
INSTALLATION Locating the Water Heater WARNING Water heaters are heat producing appliances. To avoid damage or injury, there must be no materials stored against the water heater or vent-air intake system, and proper care must be taken to avoid unnecessary contact, especially by children, with the water heater and vent-air intake components.
Installation (Locating the Water Heater) continued- Note: For California installations, this water heater must be braced, anchored, or strapped to avoid falling or moving during an earthquake. See instructions for correct installation procedures. Instructions may be obtained from DSA Headquarters Office, 1102 Q Street, Suite 5100, Sacramento, California 95811. Water heater corrosion and component failure can be caused by the heating and breakdown of airborne chemical vapors.
Installation (Locating the Water Heater) continued- WARNING 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 as a “sulfur” or “rotten egg” smell. Other conditions, such as “odorant fade” can cause the odorant to diminish in intensity, or “fade,” and not be as readily detectable.
Minimum Clearances WARNING Failure to adhere to these installation and operating instructions may create a hazard to life and property and will nullify the warranty. This installation MUST allow access to the front of the water heater and adequate clearance must be provided for servicing and operating this water heater. The water heater may be installed on either a combustible or noncombustible floor.
Venting WARNING The venting system must be installed properly following all local codes or in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1Latest Edition, or in Canada, The Natural Gas and Propane Installation Code, B149-Latest Edition. Failure to properly install the venting system could result in property damage, personal injury, or death. This water heater has been shipped with a draft hood, also called a draft diverter, for which it was designed.
Venting continued- This water heater must be connected to a lined masonry chimney or venting system approved by local codes or ordinances. The vent connector used to attach the draft hood outlet to the chimney or approved vent must be of the same diameter as the draft hood outlet or larger. For proper venting in certain installations, a larger vent connector may be needed. Consult venting tables in the National Fuel Gas Code (ANSI Z223.
Combustion Air Supply continued- Confined Spaces Confined spaces are spaces defined as having less than 50 ft3 of space per 1,000 BTU (1.41 m3/.29 kw) per hour of input. Unconfined Spaces In unconfined spaces in buildings, infiltration may be adequate to provide air for combustion, ventilation, and dilution of flue gases. However, in buildings of tight construction (for example, weather stripping, heavily insulated, caulked, vapor barrier, etc.
Water Connections Note: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting off the main water supply, open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while making the water connections to the water heater. After the pressure has been relieved, close the faucet. The COLD water inlet and HOT water outlet are identified on the top of the water heater.
Installation (Water Connections) continued- WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes, but not less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Su
Installation (Water Connections) continued- WARNING Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long period of time (generally two weeks or more). Hydrogen gas is extremely flammable. To prevent the possibility of injury under these conditions, we recommend the hot water faucet to be open for several minutes at the kitchen sink before you use any electrical appliance, which is connected to the hot water system.
Gas Connections The gas supply lines must meet all requirements of the National Fuel Gas Code, ANSI Z223.1-Latest Edition, or in Canada, the Natural Gas Installation Code, CAN/CGA B149.1-Latest Edition, or Propane Installation Code, CAN/CGA B149.2-Latest Edition. The minimum permissible gas supply pressure for the purpose of input adjustment is 1 in. (0.25 kPa) water column above the operating manifold pressure. See the rating plate and gas valve for the manifold pressure and gas type.
CAUTION The water heater and an individual shut-off valve must be disconnected from the gas supply piping system during any pressure testing of the system at test pressures in excess of 1/2 psi (3.5 kPa). The water heater must be isolated from the gas supply piping system by closing its manual shut-off valve during any pressure testing of the gas supply system at test pressures equal to or less than 1/2 psi (3.5 kPa). The supply line must be capped when not connected to the water heater.
Wiring Diagram (Applies to RG1D and RG2D models) 18
(Applies to URG1D models) 19
GENERAL OPERATION WARNING Water heaters are heat producing appliances. To avoid damage or injury, there must be no materials stored against the water heater or vent-air intake system, and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system.
Lighting and Shutdown Instructions 21
Thermostat Adjustments The thermostat dial is adjusted to its lowest setting when shipped from the factory. When adjusting the thermostat, it should be remembered that lower temperature settings are more energy efficient. To adjust the thermostat, turn the dial clockwise until the minimum acceptable temperature is set. It is suggested that the starting point setting not exceed the 120°F (49°C) or “HOT” setting on the thermostat. NOTE: Taupe / Silver faceplate is approximately 160ºF maximum set point.
General Operation continued- DANGER Hotter water increases the risk of scald injury. Scalding may occur within five (5) seconds at a temperature setting of 140F (60C). To protect against hot water injury, install an ASSE approved mixing valve in the water system. This valve will reduce point of discharge temperature by mixing cold and hot water in branch water lines. A licensed plumbing professional or local plumbing authority should be consulted.
General Operation (Burner Flame Check) continued- Figure 3. Burner and Pilot Assembly Used. WARNING Do not run out of propane gas. Damage to the water heater may occur.
MAINTENANCE WARNING Water heaters are heat producing appliances. To avoid damage or injury, there must be no materials stored against the water heater or vent-air intake system, and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system.
Maintenance continued- 5. Annually remove the inner door and main burner assembly to clean orifices and related parts of any dirt or other foreign material. Inspect the burner ports for obstructions or debris and clean with a wire brush as needed. Wire brush and/or vacuum clean the combustion chamber as needed to remove scale deposits and debris.
Maintenance continued- WARNING Do not run out of propane gas. Damage to the water heater may occur. 6. At least once a year, check the combination temperature and pressure relief valve to ensure that the valve has not become encrusted with lime. Lift the lever several times until the valve seats properly without leaking and operates freely. 7. Monthly drain off a gallon of water to remove silt and sediment. WARNING This water may be hot. 8.
Maintenance continued- CAUTION FOR YOUR SAFETY, DO NOT ATTEMPT REPAIR OF COMBINATION GAS CONTROL, BURNERS, OR GAS PIPING. REFER REPAIRS TO A QUALIFIED SERVICE TECHNICIAN. Contact your supplier or plumbing professional for replacement parts or contact the company at the address given on the rating plate of the water heater. Provide the part name, model and serial numbers of the water heater when ordering parts.
TROUBLESHOOTING (Applies to RG1D and RG2D models) LED Status Control Status Electrical pow er not None (LED not on present or flashing) One short flash Stand-by mode, every four Thermostat is satisfied (no seconds faults) Alternates bright Thermostat calling for heat and dim (no fault) (heartbeat) Probable Cause Control pow er sw itch in " OFF" position. Supply voltage interrupted. Temperature demand is satisfied (no call for heat) Tank temperature below setpoint of thermostat 1. Unstable pilot 2.
Troubleshooting continued- (Applies to RG1D and RG2D models) LED Status Control Status Probable Cause Six flashes, three flashes, three second pause (Soft Lockout) 1. Unstable pilot 2. Pilot tube block or restricted Pilot flame extinguished, 3. Oxidation build-up on pilot electrode system auto resets after (5) 4. Wire damage to pilot assembly or bad minutes connection at gas valve 5.
Troubleshooting continued- (Applies to URG1D models) LED Status Control Status None (LED not on Electrical pow er not or flashing) present One short flash Stand-by mode, every four Thermostat is satisfied (no seconds faults) One short flash Stand-by mode, Water every tw o heater w ill not respond to seconds call for heat Alternates bright Thermostat calling for and dim heat (no fault) (heartbeat) Probable Cause Control pow er sw itch in " OFF" position. Supply voltage interrupted.
Troubleshooting continued- (Applies to URG1D models) LED Status Six flashes, three flashes, three second pause (Soft Lockout) Control Status Probable Cause 1. Unstable pilot 2. Pilot tube block or restricted 3. Oxidation build-up on pilot electrode 4. Wire damage to pilot assembly or bad connection at gas valve 5.
Troubleshooting continued- Control Sequence of Operation Startup Sequence Upon powering up, the control checks for the presence of the flammable vapor sensor, if the resistance is in the expected range the control will begin normal operation after 5 to 8 seconds. Normal Heating Sequence 1. The thermostat senses a need for heat. 2. The damper test circuit checks the position of the damper. 3.
INSTALLATION INSTRUCTIONS FOR POTABLE WATER Figure 4 34
PARTS LIST Figure 5 35
PARTS LIST (Applies to RG1D and RG2D models) PART NAME AND DESCRIPTION 1. Draft Hood 15. Inner Door Assembly (right side) 2. Damper 15A. High Temperature Limit Switch 3. Jacket Head Pan 16. Inner Door Assembly (left side) 4. Jacket 17. Damper Wire Harness 5. Heat Trap—Hot Water Outlet 18. Gas Control Valve 6. Magnesium Anode–Hot Water Outlet 19. Wire Harness (FVIR / RTS) 7. Heat Trap—Cold Water Inlet 20. Outer Door 8. Flue Baffle Assembly 21. Steel Burner 9. Dip Tube–Cold Water Inlet 22.
Figure 6 37
PARTS LIST (Applies to URG1D models) PART NAME AND DESCRIPTION 1. Draft Hood 16. Gas Control Valve 2. Damper 17. Drain valve 3. Jacket Head Pan 18. Wire Harness (FVIR / RTS) 4. Jacket 19. Pilot assembly 5. Heat Trap—Hot Water Outlet 20. Outer door 6. Magnesium Anode–Hot Water Outlet 21. Burner Assembly 7. Heat Trap—Cold Water Inlet 22. High Temperature Limit Switch 8. Flue Baffle Assembly 23. Manifold Mount 9. Dip Tube–Cold Water Inlet 24. Feedline 10.
INSTALLATION INSTRUCTIONS FOR POTABLE WATER AND SPACE HEATING 1. All piping components connected to this water heater for space heating applications must be suitable for use with potable water. In Massachusetts, space heating piping length must not exceed 50 feet (15.2 m). 2. Toxic chemicals, such as those used for boiler treatment, must not be introduced into potable water used for space heating. 3.
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