Rheem PVCG- User Manual

7 VENTILATION AND COMBUSTION AIR SUPPLY GENERAL INFORMATION WARNING THIS WATER HEATER AND ANY OTHER FUEL BURNING APPLIANCE MUST BE PROVIDED WITH ENOUGH FRESH AIR FOR PROPER VENTILATION OF THE FLUE GASES. MOST HOMES WILL REQUIRE THAT OUTSIDE AIR BE SUPPLIED INTO THE WATER HEATER AREA. FAILURE TO DO S...

8 VENTILATION AND COMBUSTION AIR SUPPLY (CONT.) ALL AIR FROM OUTDOORS Outdoor fresh air can be provided to a confined area either directly or by the use of vertical and horizontal ducts. The fresh air can be taken from the outdoors or from crawl or attic spaces that freely communicate with the outdo...

9 VENT PIPING SYSTEM GENERAL INFORMATION DANGER PROPER VENT PIPE INSTALLATION IS CRITICAL TO THE SAFE OPERATION OF THIS WATER HEATER. FAILURE TO PROPERLY VENT THIS WATER HEATER CAN CAUSE AN EXPLOSION, FIRE OR CARBON MONOXIDE POISONING WHICH CAN RESULT IN PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH. T...

10 VENT PIPING SYSTEM (CONT.) VENT TERMINAL LOCATIONS The vent outlet must not terminate: • near walkways • under a covered area or patio • into an alley or other publicly accessible areas • opposite a window where air currents would draw the ex-haust into the enclosure. • in areas where children or...

11 WATER SYSTEM PIPING GENERAL INFORMATION Water piping, fittings, and valves must be properly installed for the correct and safe operation of this water heater. Please note the following: DO NOT install this water heater with iron piping. The system should be installed only with new piping that is ...

12 WATER SYSTEM PIPING (CONT.) WARNING DISCHARGING WATER MAY BE HOT AND CAN CAUSE SCALD INJURIES AND PROPERTY DAMAGE. DISCHARGE LINES MUST BE PROPERLY INSTALLED AND PIPED TO AN ADEQUATE DRAIN. CLOSED SYSTEM/THERMAL EXPANSION Periodic discharge of the temperature and pressure relief valve may be due ...

13 SPECIAL APPLICATIONS COMBINATION SPACE HEATING/POTABLE WATER HEATING SYSTEM Some water heater models are equipped with inlet/outlet tappings for use with space heating applications. If this water heater is to be used to supply both space heating and domestic potable (drinking) water, the instruct...

14 GAS SUPPLY AND PIPING GENERAL INFORMATION DANGER THIS WATER HEATER IS EQUIPPED FOR ONE TYPE OF GAS ONLY. DO NOT USE THIS WATER HEATER WITH ANY GAS OTHER THAN THE ONE LISTED ON THE DATA PLATE LOCATED NEAR THE GAS CONTROL. FAILURE TO USE THE CORRECT GAS CAN RESULT IN PROPERTY DAMAGE, BODILY INJURY,...

15 GAS SUPPLY AND PIPING (CONT.) 2. Install a drip leg (if not already incorporated as part of the water heater) as shown. The drip leg must be no less than 3 inches long for the accumulation of dirt, foreign material and water droplets. 3. Install a ground joint union between the gas valve/thermost...

16 ELECTRICAL CONNECTIONS (CON'T) Some local codes may prohibit the use of a flexible power cord. If wiring in conduit is required: 1. TURN OFF THE POWER TO THE ELECTRICAL SERVICE. 2. Remove the two screws holding the top cover plate onto the control box. Remove the cover plate and set aside. 3. Cut...

17 When the thermostat senses a need for hot water, a valve is opened which allows gas to flow to the closed solenoid valve. As gas pressure builds up within the solenoid, the gas pressure switch closes and 24 VAC flows to the blower relay. The blower relay contacts close and send 115 VAC to the ven...

FIGURE 17A : LIGHTING INSTRUCTIONS (ROBERTSHAW THERMOSTAT) 18 FOR YOUR SAFETY READ BEFORE LIGHTING W A R N I N G If you do not follow these directions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted...

20 START-UP/OPERATION (CONT.) BURNER FLAMES Inspect the burner flames and compare them to the drawings in Figure 18. A properly operating burner should produce a soft blue flame. Blue tips with yellow inner cones are satisfactory. The tips of the flame may have a slight yellow tint. The flame should...

21 OPERATIONAL CONDITIONS (CON'T) 3. Sediment build-up in the tank bottom will create varying amounts of noise and may cause premature tank failure. Drain and flush the tank as directed under “Draining and Flushing”. SMOKE/ODOR The water heater may give off a small amount of smoke and odor during th...

22 MAINTENANCE (CON'T) WARNING OBSTRUCTIONS OR HOLES IN THE VENT PIPE CAN CAUSE TOXIC FUMES TO ENTER THE HOME RESULTING IN CARBON MONOXIDE POISONING OR DEATH. THE VENT PIPE MUST BE REPLACED IF IT IS LEAKING . REPLACEMENT PARTS Replacement parts may be ordered through your plumber or the local distri...

23 REMOVAL AND REPLACEMENT OF THE GAS CONTROL VALVE/ THERMOSTAT WARNING REMOVAL AND REPLACEMENT OF THE GAS CONTROL VALVE / THERMOSTAT INVOLVES THE DISCONNECTION OF GAS PIPING, MANIFOLD TUBE, PILOT TUBE, BLEED TUBE AND THERMOCOUPLE. IT IS RECOMMENDED THAT THIS PROCEDURE BE PERFORMED BY A QUALIFIED SE...

24 TROUBLESHOOTING CHART PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION HIGH OPERATION COSTS 1. Improper calibration 2. Thermostat set too high 3. Sediment or lime in tank 4. Heater too small for job 5. Wrong piping connections 6. Leaking faucets 7. Gas leaks 8. Wasted hot water 9. Long runs of exposed...

26 REPAIR PARTS The following parts may be ordered through your plumber or the local distributor. Parts will be shipped at prevailing prices and billed accordingly. When ordering repair parts always give the following information: 1. Model ,serial and product number 2. Type of gas 3. Item number 4. ...