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American Standard PLC 100-76, Operation, Installation And Service Manual

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American Standard PLC 100-76 Operation, Installation And Service Manual Download Page 34

29

REPLACEMENT PARTS ILLUSTRATION

STANDARD MODEL 

SHOWN

Figure 17

COMBINATION SPACE HEATING / 
POTABLE WATER HEATING SYSTEM

WATER (POTABLE) HEATING AND SPACE
HEATING

NON-SCALD
TEMPERING VALVE

SUGGESTED PIPING
ARRANGEMENT FOR
TOP CONNECTIONS

TEMPERED POTABLE WATER

COLD WATER INLET

RETURN FROM
HEAT EXCHANGER

Figure 18

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2

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4

5

6

7

8

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10

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Summary of Contents for PLC 100-76

Page 1: ...e Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your ga...

Page 2: ...OUR RECEIPT TO SHOW TO THE SERVICE PERSON IF SERVICE IS REQUIRED OPERATING INSTALLATION AND SERVICE MANUAL STORAGE TYPE GAS WATER HEATER WITH FLUE DAMPER WARNING If the information in these instructio...

Page 3: ...ts Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperatu...

Page 4: ...d replace anode Install in location with drainage Fill tank with water before operation Be alert for thermal expansion Refer to instrucion manual for installation and service Improper installation and...

Page 5: ...EATER WITH WATER INSTALLATION CHECK LIST NATURAL GAS MODELS L P PROPANE BOTTLED GAS MODELS OUT OF FUEL EXPOSURE TO WATER INSTRUCTIONS FOR CLEANING TANK TO RETURN WATER HEATER TO OPERATION VACATION COM...

Page 6: ...E THIS MANUAL HAS BEEN PREPARED TO ACQUAINT YOU WITH THE INSTALLATION OPERATION AND MAINTENANCE OF YOUR GAS WATER HEATER AND TO PROVIDE IMPORTANT SAFETY INFORMATION WE URGE YOU TO READ ALL INSTRUCTION...

Page 7: ...ion adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer service agency or the g...

Page 8: ...ude Contact the company listed on the rating label when ordering high altitude constructed water heaters For any questions not covered in this booklet contact your dealer or write to us at the address...

Page 9: ...rents NOTE HEATER SHALL BE LOCATED OR PROTECTED SO IT IS NOT SUBJECT TO PHYSICAL DAMAGE BY MOVING VEHICLES OR AREA FLOODING Typical Installation in Residential Garages Illustration copyright by the Am...

Page 10: ...the water heater and the combustion air inlet must be in the same atmospheric pressure zone Large exhaust fans in kitchens or other locations can lower the air pressure inside an enclosure and interfe...

Page 11: ...r to check the installation for venting and for spillage all around the draft hood relief opening after five minutes of operation the method to check for flue products spillage should utilize a flame...

Page 12: ...e a good grade of pipe joint compound Be familiar with the location of the shut off valve in the cold water line feeding the water heater See Figure 5 If a valve is not present one shall be installed...

Page 13: ...ft 91 cm above if within 10ft 3m Horizontally E Clearance to unventilated 12 in L Above paved sidewalk or paved driveway located on public property 7 ft 2 13 m for mechanical draft systems category I...

Page 14: ...H SUITABLE DRAIN OPEN DRAIN HAND HOLE CLEAN OUT T P RELIEFVALVE COLDWATER INLET SHUT OFFVALVE EXPANSIONTANK STORAGETANK CHECK VALVE DRAINVALVE Use an ExpansionTank in a closed water system ColdWater S...

Page 15: ...ff valve Shut off valve Shut off valve Shut off valve Bleed valve System return Union Union Expansion tank Water supply Back flow preventers PUMP SINGLE COMMERCIAL GAS MODEL TOP CONNECTIONS WITH RETUR...

Page 16: ...er commercial or household products When urned vapors from these products form highly corrosive acid compounds These products should not be stored or used near the water heater or air inlet Combustion...

Page 17: ...ommunicating with the outdoors through vertical ducts each opening shall have a minimum free area of 1 square inch per 4 000 BTU per hour of total input rating of all equipment in the enclosure Figure...

Page 18: ...equipment in the enclosure Illustration for Figures 6 9 copyright by the American Gas Association Used by permission of the copyright holder MECHANICAL EXHAUSTING AND FIREPLACES the operation of air...

Page 19: ...ground level will serve as pockets for accumulation of leaking gas Before lighting sniff at floor level IF YOU SMELL GAS follow applicable instructions on Front Cover or Page 21 DO NOT OPERATE APPLIAN...

Page 20: ...e cigar or pipe Do not smoke If hydrogen is present there will probably be an unusual sound such as air escaping through the faucet as the water begins to flow Remember no smoking or open flame near t...

Page 21: ...the water flow may cause property damage The discharge line 1 Must not be smaller than the pipe size of the relief valve 2 Must not be plugged or blocked 3 Must be of material capable of withstanding...

Page 22: ...ING THE HEATER WITH WATER 1 Close the heater drain valve by turning the handle to the right clockwise The drain valve is on the lower front of heater 2 Open the cold water supply valve to the heater 3...

Page 23: ...ure 5 Approved pipe joint compound used Soap and water solution used to check all connections and fittings for possible gas leaks The installer to visually determine that the main burner flames are bu...

Page 24: ...t FLOOR LEVEL IF YOU SMELL GAS FOLLOW THESE RULES 1 Open windows 2 Get all people out of the building 3 DO NOT light matches Extinguish any open flame 4 DO NOT touch electrical switches on or off 5 SH...

Page 25: ...dge 7 After tank has cooled remove loose scale and lime deposits from inside tank being careful not to break glass lining TO RETURN WATER HEATER TO OPERATION I Replace hand hole clean out gasket 2 Re...

Page 26: ...140 F a mixing valve or other means should be installed in the domestic potable hot water supply to limit the RISK OF SCALD DAMAGE SOME JURISDICTIONS may require a backflow preventer in the incoming c...

Page 27: ...D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control...

Page 28: ...IMIT The thermostat on this water heater is equipped with a high temperature limit switch ECO The ECO will shut off the gas supply to the burner and pilot in the event the water temperature exceeds 19...

Page 29: ...urner and pilot flames Observation of the gas flame should show the burner flame to be a soft blue with the suggestion of slight yellow tips It is to be noted that the flame of a light color may not b...

Page 30: ...d if being shut down during freezing temperatures Also periodic draining and cleaning of sediment from the tank may be necessary See Page 22 I Turn gas valve knob clockwise to the OFF position 2 Close...

Page 31: ...eplace with correct orifice Clear the area near the heater Check with utility Clean check for source of trouble correct Clean check for source of trouble correct Provide ventilation by use of louvers...

Page 32: ...ice too small Thermostat set too low Sediment or lime in tank Heater too small for job Wasted hot water Clear the area near the heater Check with utility Replace with correct orifice Turn temperature...

Page 33: ...number from the following list part description voltage and wattage when applicable It is imperative that replacement of main burner orifices pilot burner and gas valve be ordered for the gas type Nat...

Page 34: ...29 REPLACEMENT PARTS ILLUSTRATION STANDARD MODEL SHOWN Figure 17 1 2 3 4 5 6 7 8 9 10 11 12 13...

Page 35: ...NG POTABLE WATER HEATING SYSTEM WATER POTABLE HEATING AND SPACE HEATING NON SCALD TEMPERING VALVE SUGGESTED PIPING ARRANGEMENT FOR TOP CONNECTIONS TEMPERED POTABLE WATER COLD WATER INLET RETURN FROM H...

Page 36: ...REV APRIL 2021 ITEM 420011141900 561 New York Drive Pomona California 91768 Toll Free 800 900 9063 Fax 909 392 7302...

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