Williams 0743511 Owner'S Manual Download Page 11

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HIGH EFFICIENCY DIRECT VENT FURNACES

OPERATING INSTRUCTIONS

Before operating the furnace, read carefully all warnings and safety information in this manual. Make sure the

attached lighting instructions tag hangs outside the unit after lighting the pilot.

Summary of Contents for 0743511

Page 1: ...stationary unless prohibited by local codes Not for manufactured home manufacturer factory installation Do not install this furnace natural or propane gas in trailers or recreational vehicles WARNING...

Page 2: ...ARNING CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poison...

Page 3: ...N OUTSIDE LOCATION FOR VENT TERMINAL GAS SUPPLY OPERATING INSTRUCTIONS SERVICING YOUR HEATER INSTALLATIONS IN THE STATE OF MASSACHUSETTS FURNACE ACCESSORY REPLACEMENT PARTS FOR 074 MODELS SERVICE RECO...

Page 4: ...stay away to avoid burns or clothing ignition Young children should be carefully supervised when they are in the same room as the furnace Clothing or other flammable material should not be placed on o...

Page 5: ...cylinders and tanks is possible Therefore people should be particularly alert and careful when new tanks or cylinders are placed in service odor fade can occur in new tanks or reinstalled old tanks i...

Page 6: ...age by a moving vehicle The vent terminal of this direct vent furnace must be located at least 9 inches 230 mm from any opening through which flue gases could enter a building The bottom of the vent t...

Page 7: ...ectly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings 2 Only permitted if veranda porch deck or balcony is fully open on a minimum of...

Page 8: ...6 63 5 152 4 mm FIGURE 3 FIGURE 4 FIGURE 5 SUPPORT BRACKET FURNACE WITHOUT COVER MOUNTING SLOT MOUNTING SLOT CLOSEUP LEFT MOUNTING SLOT CLOSEUP RIGHT MOUNTING SLOT SUPPORT BRACKET INSULATING SHEET UNS...

Page 9: ...llation or relocation Compounds used on threaded joints of gas piping shall be resistant to the action of propane gas The gas lines must be checked for leaks by the installer This should be done with...

Page 10: ...sure can be measured by connecting a test gauge to the connection provided on the gas valve Figure 8 A Once installation is complete the gas inlet pressure must be checked The minimum gas inlet pressu...

Page 11: ...FURNACES 11 OPERATING INSTRUCTIONS Before operating the furnace read carefully all warnings and safety information in this manual Make sure the attached lighting instructions tag hangs outside the un...

Page 12: ...Readjust if needed 6 Disconnect the test gauge and tighten firmly the screw of the gauge connection then check for gas leaks from it The HI and LO pressures must be adjusted in the way explained abov...

Page 13: ...service switch services both the appliance and the carbon monoxide detector b Have battery back up power c Meet ANSI UL 2034 Standards and comply with NFPA 720 2005 Edition and d Have been approved a...

Page 14: ...tking Candle P332497 4 Pilot Sparking Candle and Nozzle Natural Gas P332506 5 Pilot Sparking Candle and Nozzle LPG P332495 6 Piezo Electric Button P332563 7 Thermocouple P332557 8 Burner P332546 9 Pil...

Page 15: ...HIGH EFFICIENCY DIRECT VENT FURNACES 15 REPLACEMENT PARTS 1 2 7 8 3 4 5 6 9 11 12 10...

Page 16: ...074_RV 03 21 www williamscomfortprod com 888 444 1212 250 West Laurel Street Colton CA 92324 USA Subject to change without notice 2021 TM SERVICE RECORD DATE MAINTENANCE PERFORMED COMPONENTS REQUIRED...