Williams 2519822, Owner'S Manual

Page 1: ...urnaces natural or propane gas in mobile manufactured homes trucks or recreational vehicles WARNING This product can expose you to chemicals including epichlorohydrin which is known to the State of Ca...

Page 2: ...IN THE PRODUCT OR ANY COMPONENT OR FROM THE USE THEREOF THE REMEDIES SET FORTH HEREIN ARE THE EXCLUSIVE REMEDIES AVAILABLE TO THE USER AND ARE IN LIEU OF ALL OTHER REMEDIES Some states do not allow li...

Page 3: ...ALLING YOUR MOTORIZED REAR OUTLET PART NUMBERS FOR THE 250 350 MODELS CONTROL ASSEMBLY REPLACEMENT PARTS PART NUMBERS FOR THE 500 MODELS CONTROL ASSEMBLY REPLACEMENT PARTS 500 MODELS BLOWER ACCESSORY...

Page 4: ...the appliance to avoid property damage bodily injury or death 8 Vent the furnace directly to the outdoors so that harmful gases will not collect inside the building Follow the venting instructions for...

Page 5: ...dent of any installed system 1 Seal any unused openings in the venting system 2 Inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 NF...

Page 6: ...ay New York NY 10018 In Canada CAN CGA B149 Optional Accessories Blower Accessories 2901 2907 May be used on all models and mounts on top of a furnace This blower increases circulation of warm air thr...

Page 7: ...r cabinets 2 Check the minimum spacing needs as shown in Figure 1 3 The top of the furnace must be at least 16 inches from the ceiling 4 When the furnace is properly installed with legs resting on the...

Page 8: ...etermined that each appliance connected to the venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gashed burning appliance to...

Page 9: ...rt a fire and wait until flames are burning vigorously 2 Turn on all exhausting devices i e kitchen and bathroom exhaust fans water heaters gas and electric 3 Turn on all vented gas appliances i e hea...

Page 10: ...t be provided from outdoors or spaces open to the outdoors such as an attic or crawl spaces Openings for inlet or outlet air should NOT be made into an attic area if the attic is equipped with a therm...

Page 11: ...onal rear outlet register may be installed when the CHIMNEY OR GAS VENT VENTILATED ATTIC OUTLET AIR OUTLET AIR INLET AIR INLET AIR VENTILATED CRAWL SPACE 10 CRAWL SPACE WALL FURN TO ATTIC 12 OPTIONAL...

Page 12: ...at this distance Figure 5 Place the header plate between the studs with the lower edges even with marks on the studs Make sure header plate is level Locate rear edge of nailing tabs at back of the he...

Page 13: ...o the side rails using four 4 8 screws Flanges of the header plate go against the wall Figure A 3 Install extension side rails as shown in Figure A by telescoping them inside the lower side rails Adju...

Page 14: ...C VENT INSTALLED FRONT PANEL INSTALLED STUD WALL CENTERED 14 3 1 2 STUD WALL GAS STUB LOCATIONS STUD WALL STUD WALL 16 4 7 16 A PLUMBERS TAPE B W VENT PIPING CEILING PLATE SPACER VENT HOLD DOWN PLATE...

Page 15: ...t ceiling plate within the stud space through which the vent passes without any offsets or crossovers The first vent pipe offset if required may not be any closer than 2 feet from the header and needs...

Page 16: ...RE 9 INSERT FURNACE FIGURE 10 NAIL PLACEMENT FIGURE 11 REMOVE KNOCKOUT PLATES REAR OUTLET KIT INSTALLATION OPTIONAL If a Rear Outlet Register Accessory is used the following procedure must be complete...

Page 17: ...put to the burners must not exceed the rated input and pressure shown on the nameplate The natural gas manifold pressure should be 4 inches water column The manifold pressure should be 10 inches water...

Page 18: ...as supply connection to the furnace GAS CONNECTION If the installation is for propane gas have the propane installer use a two stage regulator and make all the connections from the storage tank Use tw...

Page 19: ...leak Correct even the slightest leak at once WARNING Danger of property damage bodily injury or death Never use a match or open flame to test for leaks Never exceed specified pressures for testing Hi...

Page 20: ...allation instructions packed in the thermostat carton if you have any doubt about the above procedures WALL MOUNTED THERMOSTAT INSTALLATION 1 To remove the thermostat cover squeeze both sides and lift...

Page 21: ...opening is provided in the gas valve to facilitate measuring manifold gas pressure A water column manometer having a scale range from 0 to 12 inches of water column should be used for this measurement...

Page 22: ...lor to nearly invisible approximately 6 inches above ports ABNORMAL APPEARANCE LAZY FLAME Long soft yellow cones moving around in the combustion chamber lifting from ports insufficient air EXTREMELY F...

Page 23: ...le 15 Set thermostat to desired setting TO TURN OFF GAS TO APPLIANCE 1 Set the thermostat to lowest setting 2 Turn off all electric power to the appliance if service is to be performed if applicable 3...

Page 24: ...while actuating the red button or by using a match repeat steps 5 through 10 listed in Lighting the Pilot WARNING The surface of the furnace is hot during operation Keep children clothing furniture an...

Page 25: ...joint union fitting Figure 24 4 Remove 2 screws securing burner pan assembly to inner liner 5 Pull burner pan assembly forward approximately 1 2 inch and drop down to expose the top of the burner 6 C...

Page 26: ...out and remove it using a hammer and screwdriver Use caution when handling sharp metal edges 7 Place the blower body on furnace top as shown in Figure B 8 Route 115V wiring into the junction box throu...

Page 27: ...MONTEREY PLUS TOP VENT GAS WALL HEATER 27 FIGURE C WIRING FOR MODEL 2901 FIGURE D WIRING FOR MODEL 2907...

Page 28: ...before you cut any wall openings for the register 1 Measure and mark wall for opening as shown in Figure A Check the wall for any electrical wiring present before cutting the opening Reroute existing...

Page 29: ...MONTEREY PLUS TOP VENT GAS WALL HEATER 29 FIGURE C SURFACED MOUNTED INSTALLATION FIGURE D SURFACED MOUNTED INSTALLATION FIGURE E SURFACE MOUNTED INSTALLATION FIGURE F WIRING...

Page 30: ...26 P322055 P321826 P322055 8 Shield Assembly 9C213 9C213 9C213 9C213 9 Header 5902 5902 5902 5902 10 Burner Pan 9B296 9B296 9B296 9B296 11 Manual Spark Igniter P285500 P285500 P285500 P285500 12 Ignit...

Page 31: ...MONTEREY PLUS TOP VENT GAS WALL HEATER 31 EXPLODED VIEW REPLACEMENT PARTS CHART 1 2 3 4 5 6 7 8 9 10 11 12 13...

Page 32: ...321836 A P321836 A 2 Valve P323011 P323011 P322660 P322660 3 Front Burner Bracket 9B234 9B234 9B234 9B234 4 Manifold P323660 P323660 P323660 P323660 5 Burner Orifice P332618 P332636 P332618 P332635 6...

Page 33: ...MONTEREY PLUS TOP VENT GAS WALL HEATER 33 1 2 3 4 5 6 7 8...

Page 34: ...imit Switch P321826 P321826 9 Draft Hood 2 Required 9C170 9C170 10 Non Vision Shield 9C157 9C157 11 Inner Shield Top 2 Required 9C158 9C158 12 Burner Pan Assembly 9B251 9B251 13 Blower Heat Deflector...

Page 35: ...MONTEREY PLUS TOP VENT GAS WALL HEATER 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 6 EXPLODED VIEW REPLACEMENT PARTS CHART...

Page 36: ...9A409 5009822 1 Wire Assembly Both Required P321836 A P321836 A 2 Valve P322660 P323011 3 Front Burner Bracket 9B243 9B243 4 Manifold P323661 P323661 5 Burner Orifice 2 P332623 P332625 6 Pilot Genera...

Page 37: ...r Grille 9C99 3 Screw 8Ax 3 8 8 P093200 4 Screw 10 x P141000 5 Toggle Switch P320911A 6 Wire Bridle P320912 7 Flat Washer 10 31 2 P127300 8 Machine Nut 8 32 w Washer 2 P041100 9 Blower Body 9C102 10 M...

Page 38: ...late 9B246 3 Wire Assemblies P323085 P323086 P323377 4 Blower and Motor P323423 5 Heat Sensor Wire Assemblies P274202 P109600 6 Junction Box Cover 9A483 7 Fan Switch P323080 8 Blower Body 9B249 9 Heat...

Page 39: ...r 9A427 9A427 4 Strain Relief Bushing P603108 P603108 5 Heat Sensor Switch P323172 P323172 6 Fan Switch P323080 P323080 7 Motor and Blower P323423 P323423 8 Motor cover 9A435 9A462 9 Motor Housing Bac...

Page 40: ...eading at generator terminals of the valve with the valve placed in Pilot position Disconnect the thermostat wires The millivolt reading should be 450 millivolts or more d Remove thermostat wires from...

Page 41: ...our Furnace section in this manual b Check installation Casing may be distorted by being fastened to an uneven opening or jammed under the header A restricted vent may create expansion noise Refer to...

Page 42: ...s always give the following Information 1 MODEL NUMBER 2 MFG DATE CODE 3 PART NUMBER 4 PART DESCRIPTION All parts listed herein may be ordered from your equipment supplier The Model Number of your Wil...

Page 43: ...e 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...

Page 44: ...P323738_RV 03 21 www williamscomfortprod com 888 444 1212 250 West Laurel Street Colton CA 92324 USA Subject to change without notice 2021 TM...