Whirlpool WGFDU Specifications
Contents
1. G Condensate collar H Run pitch 14 6 4 mm per foot minimum I 12 30 5 cm minimum clearance Adjust height to expected snow level based on local conditions A Flue pipe screen inside flue pipe B Storm collar C Flashing D Flue pipe E Air intake pipe F Inlet air restrictor plate inside inlet coupler Direct Vent Installation Counterflow Installations m Refer to appropriate tables for proper pipe size vent length and the number of elbows allowed and air intake length and the number of elbows allowed m Refer to Materials in Plan Vent System for the proper venting material m Do not install the inlet air restrictor plate in any direct vent installation The inlet air restrictor plate see Inlet Air Restrictor Plate in Venting Requirements supplied with this furnace is to be used only in nondirect vent applications m The flue pipe screen designed to keep objects out of the flue pipe see Flue Pipe Screen in Venting Requirements should be installed at the termination of the flue pipe NOTE Do not place an additional flue pipe screen in the intake termination because the air intake may freeze shut Direct Vent Counterflow Horizontal Venting A gt B iF C GA n E F G f H es l K m Overhead View A Run pitch 142. 90 GAS FURNACE INSTALLATION INSTRUCTIONS Table of Contents GAS FURNACE SAFETY sisecescscscttscedecsczcsetacnscuetivecccatetecteceedecveeniecee 1 Make Electrical Connections cceeceeeeeeeeeeeeeteeeeeeteeeeeeeeeees 18 INSTALLATION REQUIREMENTS vu cccccesssssssssescecceccsccscsecseesessesses 3 Make Gas Connections csccccsssssecessseeecsssseeeesseesessseeessssees 19 To ls a d PAIS cad seeds iacivse a a a A aa be aba eaicivcd 3 Check the Furnace Input Rate if required 20 LOGation Requirements saion 4 Adjust the Furnace Input Rate if required 20 Installation Configurations ccsssssssssssesssessssesesssesessseesessseseessseeen 5 Complete Installation cccscceecceceeeceeeeeseseeseneeeeeseseeeeeneeeaees 21 Ductwork Requirement sccsccssccsssssssssssssssssssseessessssssssessesssssessees 5 SHUt DOWN EAE A A AE EE ETEA E TT an 21 Electrical Requirements ccecceeesecsseeesseeesseesseeeesesseesneasneanens 6 SEQUENCE OF OPERATION ssssssssssssssseeessseeseeenssesseennanenseenns 22 Gas Supply Requirements c cccssscsseessesssessesseeseessesstsssesseesees 6 Heating CY Cle sinc incite niin Width iota 22 Venting Requirements iiss ccvcal eck scisasotnssdectenctdaedlansoaehauytiutanite 6 Fan On GY CIS a tacsteiatiacaayatsncotesti iste Veatvateusi sutbuanea vhapia tateds 22 INSTALLATION INSTRUCTIONS ccccoccoscoccoscceccoccocceccocccecceceeccecceceee 8 Cooling Cycles ities einai aer A NN aaa 22 Insp
3. 1 2 6 1 2 5 1 2 64 2 6 4 2 6 4 2 6 4 3 7 6 3 7 6 3 7 6 0 12 2 2 6 1 2 6 1 2 6 4 2 64 2 6 4 3 7 6 3 7 6 3 76 3 76 3 7 6 0 15 2 2 6 4 2 2 6 4 2 6 4 3 7 6 3 7 6 3 7 6 3 7 6 3 7 6 3 7 6 NR 0 18 3 2 6 4 3 7 6 3 7 6 3 7 6 3 7 6 3 7 6 3 7 6 NR NR NR 0 21 3 3 7 6 3 7 6 3 7 6 3 7 6 3 7 6 NR NR NR NR NR 0 24 4 3 7 6 3 7 6 3 7 6 NR NR NR NR NR NR NR 0 27 4 3 7 6 3 7 6 NR NR NR NR NR NR NR NR Number of 90 Elbows 0 1 2 3 4 5 6 7 8 9 NR Not Recommended Vent Table 112 000 to 125 000 Btu h Models Vent Pipe Length ft m Minimum Pipe Diameter in cm 5 1 5 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 2 6 4 2 64 2 6 4 10 3 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 2 6 4 2 6 4 2 64 2 64 3 7 6 20 6 1 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 64 3 7 6 3 7 6 NR 30 9 1 2 6 4 2 6 4 2 6 4 2 6 4 2 64 3 7 6 3 7 6 NR NR NR 40 12 2 2 6 4 2 6 4 2 6 4 2 6 4 3 7 6 NR NR NR NR NR 50 15 2 2 6 4 3 7 6 3 7 6 NR NR NR NR NR NR NR 60 18 3 3 7 6 3 7 6 NR NR NR NR NR NR NR NR Number of 90 Elbows 0 1 2 3 4 5 6 7 8 9 NR Not Recommended In the event that the pipe length is in between the lengths listed in the Vent Table use the next larger length listed For example if a length of pipe needed to install the furnace is 27 ft 8 2 m use the diameter values for the 30 ft 9 1 m ro
4. 90B and any local codes m lf there is no complete return air duct system the return air connection must be sealed to the furnace casing and run full size to a location outside the utility room or space housing the furnace to avoid a negative pressure on the venting system Installation with Return Ducts A return air duct system is recommended If the furnace is installed in a confined space or closet a return connection must be run full size to a location outside the closet The air duct in the closet must be tight to avoid any entrance of air from the closet into the circulating air Installation with an Evaporator Coil When an air conditioning furnace is used in conjunction with the furnace the evaporator coil must be installed in the discharge supply air Do not install an evaporator coil in the return air excessive condensation will occur within the furnace Installation without an Evaporator Coil If a cooling coil is not installed with the furnace then a removable access panel should be provided in the supply plenum for purposes of inspecting the heat exchanger This opening must be accessible when the furnace is installed It must be large enough that the heat exchanger can be viewed for possible openings using light assistance or so that a probe can be inserted for sampling the airstream The cover for the opening must be leakproof Upflow Models Some model furnaces can be installed with either a side or bott
5. G A 3 2 mm NPT plugged tap E Sediment trap B Manual gas shutoff valve F Cap C Ground joint union G Gas control valve D Tee inside furnace Teflon is a registered trademark of E I Dupont de Nemours and Company AX WARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety wamings exactly could result in serious injury death or property damage Never test for gas leaks with an open flame Use a commercially available soap solution made specifically for the detection of leaks to check all connections A fire or explosion may result causing property damage personal injury or loss of life 6 Turn off the gas supply at the manual gas shutoff valve NE Bose A Closed valve B Open valve 7 Remove the inlet pressure tap plug on the gas control valve and connect pressure gauge to the 4 NPT inlet pressure tap 8 Turn on the gas supply at the manual gas shutoff valve 9 Observe the inlet pressure The minimum inlet gas supply pressure is 5 12 7 cm W C for Natural gas and 11 27 9 cm W C for propane gas The maximum inlet gas supply pressure is 101 26 7 cm W C for Natural gas and 13 83 cm W C for propane gas 10 Turn off the gas supply at the manual gas shutoff valve IMPORTANT If the inlet gas supply pressure is not within the minimum and maximum range as shown on the rating plate contact your gas supplier 11 Disconnect the pressure gauge from the 1 2 3 2 mm NPT inl
6. Le ia ia Rollout Switch Rollout Switch Pin 12 Pin 11 Gas Control Valve Pin 9 Pin 1 lt ofe Limit Switch Pin 8 Pin 7 A pee If Used p Pin 4 Pin 10 oto oto oJo T RCWYG ae ee AIZIAIZIS Aux Limit Switch Aux Limit Switch Pressure Switch Q Condenser Thermostat ASSISTANCE OR SERVICE If you need further assistance you can write to the below address with any questions or concerns Whirlpool Home Cooling and Heating To order accessories ask for the appropriate part number listed 14610 Breakers Drive below or contact your Whirlpool Home Cooling and Heating Jacksonville FL 32258 dealer Please include a daytime phone number in your correspondence ALPKT572 3 Natural Gas to Propane Conversion Kit ALPKT574 2 Natural Gas to Propane Conversion Kit WAFILTHA7 2 Filter Frame Kit AFILT524 1 Side Return Filter Kit AFILT529 1 Bottom Return Filter Kit WABASE512 Combustible Floor Base 171 2 44 5 cm cabinets WABASE568 Combustible Floor Base 21 57 4 cm cabinets WABASE569_ Combustible Floor Base 241 2 62 3 cm cabinets 27 Honeywell is a trademark of Honeywell International Inc 46948B008 Registered Trademark TM Trademark of Whirlpool U S A 3 08 2008 All rights reserved Manufactured under license by Tradewinds Distributing Company LLC Coconut Grove Florida Printed in U S A
7. death or electrical shock m s the integrated ignition blower control board and power to the furnace on m Is the blower compartment door securely closed m Are the manual shutoff valves in the gas line to the furnace open m Are all wiring connections secure Start the system by setting thermostat above the room temperature Observe system response Then use the information provided in this section to check the system operation Fault Code History Button The control stores the last 5 fault codes in memory A push button switch is located on the control When the push button switch is pressed and released the control flashes the stored fault codes The most recent fault code is flashed first the oldest fault code is flashed last To clear the fault code history press and hold the push button switch in for more than 5 seconds before releasing 24 Failure Codes The furnace has a built in self diagnostic capability If a system problem occurs a failure code is indicated by the LED on the ignition control board The control continuously monitors its own operation and the operation of the system If a failure occurs the LED will indicate the failure code IMPORTANT Do not remove the blower compartment door or turn off the power to the furnace since either action will clear the control s memory of the fault 1 Start the system by setting the thermostat above the room temperature 2 Observe the system s resp
8. fan on delay The call for cooling has priority over continuous fan operation while a call for heating has priority over both a call for cooling or continuous fan Ignition lockouts for any reason do not affect cooling operation As cooling demand is met the thermostat de energizes the R Y circuit of the control board After a 60 second cooling off delay the control de energizes the cooling speed fan At the end of the cooling off delay period the control returns to the standby mode CONTROLS Pressure Switch s The pressure switch is a normally open switch that monitors combustion airflow Inadequate airflow resulting from excessive venting system restriction or a failed combustion blower will cause the switch to remain open Rollout Switch es The rollout switch es are normally closed switch es that open when abnormal temperatures exist in the burner area This can be caused by a restricted heat exchanger causing main burner flame to roll out into the vestibule area or burner box The rollout switch es must be manually reset by pushing the button on top to restore furnace operation Primary Limit Control This is a normally closed control that opens if abnormally high circulating air temperatures occur It is an automatic reset control Auxiliary Limit Control on some models This is a normally closed control located on the circulating air blower housing that opens under abnormal rev
9. not be exposed to temperatures under 32 F 0 C m The furnace is suitable for installation in buildings constructed on site The furnace should be centralized in respect to the heat distribution system as much as practicable m All models are suitable for closet or utility room installation Utility room installation requires A door opening large enough for the widest part of the furnace A door opening large enough to remove replace any other appliance located in the utility room such as a water heater Any other appliances arranged so that each appliance can be removed replaced without disturbing the furnace m Ina residential garage a gas fired furnace must be installed so the burner s and the ignition source are located not less than 18 45 7 cm above the floor The furnace is to be located or protected to avoid physical damage by vehicles m If the furnace is to be installed in an attic or other insulated space it must be kept free and clear of insulating materials Installation Clearances m A2 5 1 cm minimum clearance is required in front for air openings into the combustion chamber m All servicing and cleaning of the furnace can be performed from the front If the furnace is installed in a closet or utility room provide 24 61 cm clearance in front for service if the door to the room is not in line with the front of the furnace Where servicing clearances are greater than clearances to combustibles servi
10. o maximum J eA a f 4 mm per foo D Storm collars nimu The 45 000 and 67 000 Btu h models contain an inlet air assembly that uses two 22 5 elbows that attach separately from the straight inlet pipe as shown This allows the inlet pipe assembly to be removed if needed for service 15 Inlet Air Assembly 45 000 amp 67 000 Btu h Furnaces A Straight inlet pipe C Burner box B 22 5 elbows Nondirect Vent Installation Counterflow Models m Refer to appropriate tables for proper pipe size vent length and the number of elbows allowed m Refer to Materials in Plan Vent System for the proper venting material m An inlet air restrictor plate found in the plastic bag containing these Installation Instructions and the Use and Care Guide must be installed in all nondirect vent installations Nondirect Vent Counterflow Horizontal Venting A iy amp tb E H F G A Inlet coupler B Run pitch 14 6 4 mm per foot minimum F Inlet air restrictor plate inside intake pipe or C Flue pipe screen inside flue pipe eee i D 6 15 2 cm G Con ensate collar H Flue pipe E 12 30 5 cm minimum clearance Adjust height to expected snow level based on local conditions I PVC collars 16 NOTE The vent for this appliance shall not terminate over public walkways or near soffit vents or crawl space vents or other areas where condensate or vapor could c
11. tables for proper pipe size vent length and the number of elbows allowed m Refer to Materials in Plan Vent System for the proper venting material m An inlet air restrictor plate found in the plastic bag containing these Installation Instructions and the User s Information Manual must be installed in all nondirect vent installations See Inlet Air Restrictor Plate in Venting Requirements Nondirect Vent Upflow Horizontal Venting l B j A Run pitch 14 6 4 mm per foot minimum B Flue pipe screen inside flue pipe C 6 15 2 cm D 12 30 5 cm minimum clearance Adjust height to expected snow level based on local conditions E Air intake pipe F Condensate collar G Inlet air restrictor plate inside inlet coupler H Flue pipe 14 Attach a 90 elbow not supplied to the inlet coupler and install the inlet air restrictor plate inside the elbow m The flue pipe screen designed to keep objects out of the flue pipe see Flue Pipe Screen in Venting Requirements should be installed at the termination of the flue pipe NOTE Do not place an additional flue pipe screen in the intake termination because the air intake may freeze shut Nondirect Vent Upflow Vertical Venting T I amO
12. the instructions are not followed Whirlpool and Whirlpool Gold Models eee oe eee reakers Drive WFCU WFCC WGFDC WGFDU Jacksonville FL 32258 46948B008 IMPORTANT SAFETY INSTRUCTIONS Use only with type of gas approved for this furnace Refer to the furnace rating plate Install this furnace only in a location and position as specified in the Location Requirements section of these instructions Provide adequate combustion and ventilation air to the furnace space as specified in the Venting Requirements section of these instructions Combustion products must be discharged outdoors Connect this furnace to an approved vent system only as specified in the Venting Requirements section of these instructions Never test for gas leaks with an open flame Use a commercially available soap solution made specifically for the detection of leaks to check all connections as specified in the Make Gas Connections section of these instructions Adequate clearance must be provided around the vent air intake terminals Always install furnace to operate within the furnace s intended temperature rise range with a duct system which has an external static pressure within the allowable range as specified in the Complete Installation section of these instructions See furnace rating plate When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the spac
13. utility or gas supplier for inspected into operation Adjust the thermostat so complete details on special requirements for sizing gas appliance is operating continuously piping 7 Test for spillage from draft hood equipped appliances at the m f local codes allow the use of a flexible gas appliance draft hood relief opening after 5 minutes of main burner connector use a CSA design certified outdoor flexible stainless steel appliance connector or rigid gas supply line as needed Do not use a connector which has previously serviced another gas appliance Adequate provisions for combustion air and ventilation of furnace must be made Refer to Section 5 3 Air for Combustion and Ventilation of the National Fuel Gas Code ANSI 2223 1 NFPA 54 latest edition or applicable provisions of the local building codes operation Use the flame of a match or candle 8 If improper venting is observed during any of the above tests the venting system must be corrected in accordance with the National Fuel Gas Code ANSI Z223 1 NFPA 54 and or CSA B149 1 Natural Gas and Propane Installation Codes 9 After it has been determined 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 gas fired burning appliances to their previous conditions of use Venting Options The furnace can be installed as either direct vent or nondir
14. 26 Pipe D2241 Schedule 40 ABS Pipe D1527 Schedule 40 ABS Fittings D2468 Schedule 40 amp 80 CPVC Pipe F441 ABS DWV Drain Waste amp Vent D2661 Pipe amp Fittings PVC DWV Drain Waste amp Vent D2665 Pipe amp Fittings m The primers and solvents used must also meet ASTM specifications PVC primer is specified in ASTM F656 Use PVC solvent as specified in ASTM D2564 and ABS solvent cement as specified ASTM D2235 Low temperature solvent cement is recommended Metal or plastic strapping may be used for vent pipe hangers m When making ABS joints pieces can be prepared with a cleaner When joining ABS to PVC materials use PVC solvent cement as specified in ASTM D3138 m Preferred fittings are DWV style or long sweep Seal all joints gas tight with appropriate cement In areas where vent and air intake pipes are exposed to abnormal stress or are subject to damage schedule 80 pipe should be used m Use high temperature RTV silicone sealant to attach the air intake pipe into the connector on the burner box so the air intake pipe can be removed if service is required NOTE Do not use cement Vent Pipe Size and Length The vent pipe and air intake pipe in direct vent installations should be sized in accordance with the information found in the Vent Table charts One 90 elbow is equivalent to 5 ft 1 5 m of pipe Two 45 elbows are equivalent to one 90 elbow The minimum length certified for use with this furnace is
15. 5 ft 1 5 m and one elbow not including the vent and air intake terminals Vent Table 40 000 to 80 000 Btu h Models Vent Pipe Length ft m Minimum Pipe Diameter in cm 5 1 5 1 3 8 1 3 8 2 6 1 2 61 2641 2 61 2 61 2641 2 641 26 1 0 3 1 3 8 2 5 1 2 5 1 261 2 641 2 61 2 5 1 2 5 1 2661 2 5 1 0 6 1 2 5 1 2 5 1 2 5 1 261 2 841 2 6 1 2 641 2 5 1 266 1 2 6 4 0 9 1 2 5 1 2 5 1 2 6 1 2 5 1 2 51 2641 2 5 1 2 6 4 2 6 4 2 6 4 40 12 2 2 5 1 2 5 1 2 5 1 2 5 1 2 51 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 0 15 2 2 5 1 2 5 1 2 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 3 7 6 60 18 3 2 5 1 22 6 4 2 6 4 2 6 4 2 6 4 2 6 4 2 6 4 3 7 6 3 7 6 3 7 6 70 21 3 2 6 4 2 6 4 2 2 6 4 2 6 4 2 6 4 3 7 6 3 7 6 3 7 6 3 7 6 NR 80 24 4 2 6 4 2 2 6 4 2 6 4 3 7 6 3 7 6 3 7 6 3 7 6 3 7 6 NR NR 90 27 4 2 6 4 2 6 4 3 7 6 3 7 6 3 7 6 3 7 6 3 7 6 NR NR NR Number of 90 Elbows 0 1 2 3 4 5 6 7 8 9 NR Not Recommended Vent Table 90 000 to 100 000 Btu h Models Vent Pipe Length ft m Minimum Pipe Diameter in cm 5 1 5 NR 2 5 1 2 51 2 5 1 2 51 2 51 2 5 1 2 6 4 2 6 4 2 6 4 0 3 2 6 1 2 6 1 2 841 2 51 2 641 2 51 2 6 4 2 6 4 2 6 4 2 6 4 20 6 1 2 6 1 2 6 1 2 51 2 51 2 6 1 2 6 4 2 6 4 2 6 4 2 6 4 3 7 6 0 9 1 2 6
16. 6 4 mm per foot minimum B Optional piece C Flue pipe screen inside flue pipe D Flue pipe E 18 45 7 cm F Air intake pipe G 6 15 2 cm H 12 30 5 cm minimum clearance Adjust height to expected snow level based on local conditions I Wall J 3 7 6 cm minimum to 48 121 9 cm maximum K Condensate collar L Air intake pipe M PVC collars For proper operation the vent and air intake pipe must be installed in the same pressure zone Therefore in horizontal venting applications they must be on the same side of the house within the parameters as shown NOTE The 18 45 7 cm dimension shown in Direct Vent Counterflow Horizontal Venting is the minimum recommended height for extremely cold areas In these areas moisture in the flue gases may condense and freeze on the air intake if this height is reduced In milder climates this may be reduced to a minimum of 6 15 2 cm Height may be increased as needed provided total length is not exceeded Direct Vent Counterflow Vertical Venting A ee TI A a a gt E A A Flue pipe screen inside flue pipe E Flashing B 24 61 cm minimum to roof or 12 30 5 cm F Air intake pipe minimum clearance Adjust height to G Condensate collar expected snow level based on local H PVC collars conditions TEJ i C 614 16 5 cm minimum to 24 61 cm aia PAE
17. 80 3 096 8 20 x 25 50 8 x 63 5 1 240 1 548 4 16 x 20 40 6 x 50 8 1 10 480 3 096 8 20 x 25 50 8 x 63 5 1 240 1 548 4 16 x 20 40 6 x 50 8 1 12 576 3 716 1 16 x 20 40 6 x 50 8 2 288 1 858 1 16 x 20 40 6 x 50 8 1 14 672 4 335 5 20 x 20 50 8 x 50 8 2 336 2 167 7 20 x 20 50 8 x 50 8 1 16 768 4 954 8 20 x 20 50 8 x 50 8 2 384 2 477 4 20 x 20 50 8 x 50 8 1 20 22 960 6 193 5 20 x 25 50 8 x 63 5 2 480 3 096 8 20 x 25 50 8 x 63 5 1 If a central return air filter grille is used the furnace does not m AFILT529 for bottom return on upflow furnace installations require a filter m WAFILTHA7 for single side return in installations requiring To install a filter at the furnace only use the following kits m AFILT524 for side return on upflow installations more than 1 600 CFM nominal air delivery 5 Using UL listed wire connectors connect the field supply wires to the furnace black to black and white to white A AWARNING Electrical Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can result in death or electrical shock Thermostat Install a room thermostat according to the instructions furnished with it Select a location on an inside wall that is not subject to drafts direct sunshine or other heat sources Make the low voltage thermostat connections to the ignition control board as indicated on the Wiring Connection Diagr
18. S 180 d twn swi AEON V oTo V Blower Off E 4 Aux Aux Pressure Delay Timing To T Limit Limit WIG See NOTE 3 OE EA 1 Switch Switch seagi a 3 If Used Thermostat amp Subbase Condenser Heat Anticipator 0 60 Amp Check codes for proper wiring and circuit protection before 2 If any of the original wire as supplied with the furnace must be installation replaced it must be replaced with wiring material having a NOTES temperature rating of at least 194 F 90 C 1 Press and release fault code history button to display fault 3 Blower off delay timing is factory set at 120 seconds To codes To erase codes press and hold button in for more change move the jumper to the pins adjacent to the desired than 5 seconds setting 25 Wiring Schematic Honeywell VR 8205 System 26 H N lt 4 120 1 60 gt N Interlock Switch Neutrals o e l K3 Hot Surface Igniter Neutrals Humidifier Neutrals o K2 Induced Draft Blower Neutrals Air Cleaner rrr bd Heat K5 Neutrals Cool Blower Motor K5 120 VAC Neutrals VAAZ _ Transformer YN e 24 VAC ps Pin 3 Pin 6 a S Flame Sensor gt Pin 2 Pin 5 oto om
19. alteration or maintenance Failure to follow these instructions can result in death explosion fire or carbon monoxide poisoning AWARNING Excessive Weight Hazard Use two or more people to move and install furnace Failure to do so can result in back or other injury This furnace is shipped in one package completely assembled and wired The indoor thermostat and accessories are shipped in a separate carton when ordered 1 Check the furnace rating plate to confirm specifications are as ordered 2 Upon receipt of the furnace inspect it for possible shipping damage Examine the furnace inside the carton if the carton is damaged If damage is found it should be noted on the carrier s freight bill Damage claims should be filed with the carrier immediately Claims of shortages should be filed with the seller within 5 days NOTE If any damages are discovered and reported to the carrier do not install the furnace because your claim may be denied The high efficiency of this furnace is accomplished by the removal of both sensible and latent heat from the flue gases The removal of latent heat results in the condensation of moisture in the flue gases This condensation occurs in the secondary heat exchanger and in the vent system Therefore this furnace requires special venting considerations and the instructions must be followed to ensure proper operation All venting must be in accordance with the codes having j
20. am in Troubleshooting 1 Disconnect power 2 Remove the screw from the furnace electrical connection box 3 Remove the cover from the furnace electrical connection box 4 Route the field supply wires to the furnace electrical connection box AWARNING Electrical Shock Hazard Electrically ground furnace Connect ground wire to green ground screw Failure to do so can result in death or electrical shock 6 Connect ground wire to green ground screw 18 7 o A Connect white to white and black to black B Green ground screw Replace the furnace electrical connection box cover and screw IMPORTANT This furnace requires conversion for use with propane To order the correct conversion kit see Accessories 1 2 3 Install the field gas supply as shown Provide a sediment trap on the outside of the furnace Install a manual gas shutoff valve in the gas line outside the furnace 5 ft 1 5 m above the floor or in accordance with any local codes Install a test gauge connection with a 3 2 mm NPT plugged tap immediately upstream of the manual gas shutoff valve as shown Connect the gas pipe to the furnace controls providing a ground joint union as close to the controls as possible to facilitate removal of controls and manifold Pipe joint compounds suitable for use with Natural and LP gas must be used Do not use Teflon tape A B C _ j I D E F i EO
21. ay located on public 7 ft 2 1 m property M Clearance under veranda porch deck or balcony In accordance with the current ANSI Z2223 1 NFPA 54 National Fuel Gas Code Clearance in accordance with local installation codes and the requirements of the gas supplier 12 Direct Vent Installation Upflow Installations m Refer to the appropriate vent table for proper pipe size vent length and the number of elbows allowed and air intake length and the number of elbows allowed m Refer to Materials in Plan Vent System for the proper venting material m Do not install the inlet air restrictor plate in any direct vent installation The inlet air restrictor plate see Inlet Air Restrictor Plate in Venting Requirements supplied with this furnace is to be used only in nondirect vent applications m The flue pipe screen designed to keep objects out of the flue pipe see Flue Pipe Screen in Venting Requirements should be installed at the termination of the flue pipe NOTE Do not place an additional flue pipe screen in the intake termination because the air intake may freeze shut Direct Vent Upflow Horizontal Venting ke A gt oO Overhead View A Run pitch 14 6 4 mm per foot H 12 30 5 cm minimum minimum clearance Adjust height to B Optional piece ex
22. ceed that on the rating plate NOTE The actual heating value of your gas can be obtained from your local utility company Typical values are shown in the Manifold Pressure vs Altitude Chart in Adjust the Furnace Input Rate For Altitudes 4 500 to 7 500 ft 1 371 6 m to 2 286 m Above Sea Level Remove the burner access door Turn the gas control to the OFF position Use only your hand to move the gas control tools are not required Remove the outlet pressure tap plug on the gas control valve and connect pressure gauge to the 3 2 mm NPT outlet pressure tap Gas Control Valve A Regulator adjusting cap B 3 2 mm NPT outlet C 1 3 cm NPT outlet D Gas control E Alternate gas control F 3 2 mm NPT inlet pressure tap G 1 3 cm NPT inlet pressure tap Be sure the gas control has been in the OFF position for at least 5 minutes before starting the unit Move the gas control to the ON position NOTE This furnace is equipped with an ignition device which automatically lights the burner This furnace cannot be lighted manually Do not try to light the burner by hand Turn on the electrical power to the furnace Set the room thermostat to a point above room temperature to light the main burners Observe the pressure reading on the pressure gauge 20 10 11 12 13 14 15 Refer to the Manifold Pressure vs Altitude Chart later in this section for th
23. ch deck or balcony z In accordance with the current ANSI Z2223 1 NFPA 54 National Fuel Gas Code Clearance in accordance with local installation codes and the requirements of the gas supplier 11 Sidewall Vent Terminal Clearances Nondirect Vented Furnaces Horizontal Venting Vent Terminal Air Supply Intake WV Area Where Terminal Is Not Permitted Inside Corner Detail Closed Closed Operable U S Installations Clearance above grade veranda porch deck or balcony 12 80 5 cm B Clearance to window or door that may be opened 48 121 9 cm below or to side of opening 12 30 5 cm above opening O Clearance to permanently closed window o Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 24 61 cm from the center line of the terminal Clearance to unventilated soffit Clearance to outside corner Clearance to inside corner Io nm Clearance to each side of center line extended above meter regulator assembly Clearance to service regulator vent outlet J Clearance to nonmechanical air supply inlet to building or the combustion 48 121 9 cm below or to side of opening 12 air inlet to any other appliance 30 5 cm above opening K Clearance to a mechanical air supply inlet 36 91 4 cm above if within 10 ft 3 m horizontally L Clearance above paved sidewalk or paved drivew
24. cing clearances take precedence Minimum Clearance to Combustibles Chart Unit Sides o Rear of Unit o Front of Unit 2 5 1 cm Flue Pipe o Plenum Top upflow 1 2 5 cm Supply Duct counterflow 1 2 5 cm High Altitude Installations m This furnace is approved for operation at altitudes from 0 to 4 500 ft 0 to 1 371 6 m above sea level without any required modifications m From 4 500 to 7 500 ft 1 371 6 m to 2 286 m the gas manifold pressure needs to be adjusted according to the information shown in the Manifold Pressure vs Altitude Chart in the Adjust the Furnace Input Rate section IMPORTANT For installations above 7 500 ft 2 286 m the furnace input rate is to be reduced per the requirements of the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition at the rate of 4 percent for each 1 000 ft 304 8 m above sea level The furnace is not recommended for installation above 10 000 ft 3 048 m WGFDU and WFCU models must be installed only as upflow furnaces WGFDC and WFCC models must be installed only as counterflow downflow furnaces IMPORTANT To ensure access to parts for servicing install upflow and counterflow furnaces so that the burner and blower access panels are readily accessible Upflow Installations Furnaces can be installed with either a side or bottom air return For bottom air return the bottom air return knockout plate must be removed For furnaces tha
25. ded Check local codes and with gas supplier Check existing gas supply electrical supply and venting and read Ductwork Requirements Electrical Requirements Gas Supply Requirements Venting Requirements and Installation Configurations before purchasing parts Parts supplied m Inlet air restrictor plate m Flue pipe screen m Condensate disposal kit AWARNING Explosion Hazard Keep flammable materials and vapors such as gasoline away from furnace Place furnace so that burners are at least 18 inches 46 cm above the floor for a garage installation Failure to follow these instructions can result in death explosion or fire AWARNING Explosion Hazard Do not install this furnace in a mobile home Doing so can result in death explosion fire or carbon monoxide poisoning IMPORTANT Do not use the furnace as a heater in a building under construction The furnace can be severely damaged due to the abnormal environment caused by construction Chlorides from sources such as paint stain or varnish tile and counter cements adhesives and foam insulation are abundant in a structure under construction and can be highly corrosive Low return air temperature can cause condensation in the furnace and other damage that can shorten the life of the furnace m The condensate drain on this furnace is incorporated within the furnace and must be primed before start up The condensate system must
26. e containing the furnace the return air shall also be handled by duct s sealed to the furnace casing and terminating outside the space containing the furnace A gas fired furnace for installation in a residential garage must be installed as specified in the Location Requirements section of these instructions The furnace is not to be used for temporary heating of buildings or structures under construction The furnace shall be installed so the electrical components are protected from water Furnaces for indoor installation on combustible flooring shall not be installed directly on carpeting tile or other combustible material other than wood flooring SAVE THESE INSTRUCTIONS A WARNING FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury death or property damage Donotstore or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Leave the building immediately e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING Gas leaks canno
27. e correct manifold pressure If necessary turn the regulator adjusting screw clockwise to increase pressure and input or counterclockwise to decrease pressure and input NOTE The pressure regulator adjustment is sensitive one turn of the adjusting screw will result in a large change in manifold pressure IMPORTANT If the manifold pressure cannot be adjusted to the correct value contact your gas supplier Move the gas control to the OFF position Disconnect the pressure gauge from the 1 NPT outlet pressure tap Replace outlet pressure tap plug and the regulator adjusting cap on the gas control valve Move the gas control to the ON position Replace the burner access door Set the room thermostat to the desired temperature necessary to achieve optimum temperature rise Manifold Pressure vs Altitude Chart for Natural Gas Manifold Heating Value Pressure Input Altitude ft m Btu ft in W C Factor 2 000 609 6 948 3 5 0 9666 3 000 914 4 914 3 5 0 9499 4 000 1 219 2 881 3 5 0 9332 4 500 1 371 6 865 3 5 0 9249 5 000 1 524 849 3 29 0 89 5 500 1 676 4 833 3 27 0 879 6 000 1 828 8 818 3 25 0 868 6 500 1 981 2 802 3 23 0 857 7 000 2 133 6 787 3 21 0 846 7 500 2 286 771 3 19 0 835 For Altitudes 7 500 to 10 000 ft 2 286 m to 3 048 m Above Sea Level Do not adjust manifold pressure An orifice change is required For the correct orifice size see Table F 4 in Appendi
28. ea Where Terminal Is Not Permitted Inside Corner Detail Closed Closed Operable U S Installations A Clearance above grade veranda porch deck or balcony 12 30 5 cm B Clearance to window or door that may be opened 6 15 2 cm for appliances less than 10 000 Btu h 9 22 9 cm for appliances greater than 10 000 Btu h and less than or equal to 50 000 Btu h 12 30 5 cm for appliances greater than 50 000 Btu h 0 Clearance to permanently closed window o Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 24 61 cm from the center line of the terminal E Clearance to unventilated soffit F Clearance to outside corner G Clearance to inside corner i H Clearance to each side of center line extended above meter regulator assembly l Clearance to service regulator vent outlet J Clearance to nonmechanical air supply inlet to building or 6 15 2 cm for appliances less than or equal to 10 000 Btu h 9 the combustion air inlet to any other appliance 22 9 cm for appliances greater than 10 000 Btu h and less than or equal to 50 000 Btu h 12 30 5 cm for appliances greater than 50 000 Btu h K Clearance to a mechanical air supply inlet 36 91 4 cm above if within 10 ft 3 m horizontally L Clearance above paved sidewalk or paved driveway located on public property M Clearance under veranda por
29. ect vent units For either type of installation special venting considerations must be followed See Determine Vent Pipe Direction for the type of furnace and venting being installed Direct Vent A direct vent two pipe installation requires that all the air necessary for combustion be supplied from outside the dwelling through an air intake pipe Nondirect Vent A nondirect vent one pipe installation uses air from inside the dwelling for combustion m The furnace is shipped with the air inlet pipe terminated to the top panel for either inside or outside combustion air An inlet air restrictor plate is supplied with this furnace and can be found in the plastic bag containing these Installation Instructions and the User s Information Manual m For installations using inside air for combustion nondirect vent attach a 90 elbow not supplied to the inlet coupler and install the restrictor plate inside the elbow See Nondirect Vent Installation Inlet Air Restrictor Plate IMPORTANT The inlet air restrictor plate must be installed in all nondirect vent systems OO O WS Flue Pipe Screen A flue pipe screen designed to keep objects out of the flue pipe is included in the plastic bag In all installations this screen should be installed at the termination of the flue pipe Flue Pipe Screen IMPORTANT The flue pipe screen should be installed at the termination of the flue pipe in all installations Unc
30. ect Shipment c ceesesesssecsesssseesesecssesscsecsecersecsecsesatsnesecsesenees 8 CONTROLS scsccscssesssstssesseseseesesseseeseneesennesaeseeaenseaeseeneeaensesensess 23 Plan Vent System eccceccesecceeesceeseeeseeeeeeseeeseneecesseeeseseecesseeesesees 8 TROUBLESHOOTING ccsecssesseeseessseesseeseenseeeseeseeeseeeseeennensnenaees 24 Determine Vent Pipe Direction scceeeeeeeeeeeieeeteees 10 ASSISTANCE OR SERVICE s sssssssssssssarsesnsesssersrersnsnserstansees 27 Install DUCTWOFK cccssesescesesseseetenseseneesesesenscsesenecaesaneceeaenenses 17 Accessories n dan a Ake ae oes ak Mia ee 27 Filter Specifications p iiini e eines caer recente 17 GAS FURNACE SAFETY Your safety and the safety of others are very important We have provided many important safety messages in this manual and on your appliance Always read and obey all safety messages This is the safety alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER or WARNING These words mean You can be killed or seriously injured if you don t immediately A DAN G E R follow instructions You can be killed or seriously injured if you don t follow A WARN l N G instructions All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what can happen if
31. erse airflow conditions that could occur in a counterflow or horizontal installation if the circulating air blower fails It is an automatic reset control Safety Interlock Switch When the blower door is removed the safety interlock switch breaks the power supply to the burner controls and blower motor Ignition Control Board AWARNING y Electrical Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can result in death or electrical shock The ignition control board operates the gas control valve circulating air blower combustion blower and any accessories connected to it The ignition control contains control logic to sense proper operating conditions and provides ignition only when all conditions are properly met These models feature user selectable blower off delay times 60 90 120 and 180 seconds that are factory set to provide a 120 second blower off delay on heating See Wiring Connection Diagram on the Troubleshooting section Gas Control Valve The gas control valve regulates the manifold gas pressure and provides gas flow 23 TROUBLESHOOTING Furnace Fails to Operate Properly Review Sequence of Operation and visually inspect the following before troubleshooting AWARNING Electrical Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can result in
32. et pressure tap 12 Replace the inlet pressure tap plug on the gas control valve 13 Turn on the gas supply at the manual gas shutoff valve 14 Test all connections by brushing on an approved noncorrosive leak detection solution Bubbles will show a leak Correct any leak found m Attest pressures greater than 1 2 psig 3 5 kPa the furnace and the manual gas shutoff valve must be disconnected from the gas supply piping system m Attest pressures less than or equal to psig 3 5 kPa the furnace must be isolated from the gas supply piping system by closing the manual gas shutoff valve 15 Replace the burner access door 19 IMPORTANT The furnace input rate must not exceed the input rating on the furnace rating plate This furnace is equipped for rated input at manifold pressures of 1 7 4 32 cm W C 1 stage and 3 5 8 89 cm W C 2 stage for Natural gas When an LP conversion kit is used it is equipped for rated input at manifold pressures of 4 9 12 45 cm W C 1 stage and 10 0 25 4 cm W C 2 stage for propane gas For natural gas check the furnace rate by observing the gas meter making sure all other gas appliances are turned off The test hand on the meter should be timed for at least one revolution Btu h Input x 3600 x Heating Value Cu ft per Revolution Seconds per Revolution At altitudes from 2 000 to 7 500 ft 609 6 m to 2 286 m the furnace input rate must not ex
33. etermined prior to installation Read this entire instruction manual as well as the instructions supplied in separate equipment before starting the installation The installation of the furnace wiring warm air ducts venting etc must conform to the requirements of the National Fire Protection Association the National Fuel Gas Code ANSI Z223 1 NFPA No 54 latest edition and the National Electrical Code ANSI NFPA No 70 latest edition in the United States and any state laws local ordinances including plumbing or wastewater codes or local gas utility requirements Local authorities having jurisdiction should be consulted before installation is made Such applicable regulations or requirements take precedence over the general instructions in this manual This furnace design is certified by CSA International as a Category IV furnace in compliance with the latest edition of American National Standard Z21 47 CSA Standard 2 3 for Gas Fired Central Furnaces for operation with Natural gas or propane Consult the rating plate on the furnace for gas type before installing Gather the required tools before starting installation Read and follow the instructions provided with any tools listed here Tools needed m Pipe wrench m Noncorrosive leak check m Screwdriver solution m Tape measure m Test gauge with 3 2 mm NPT connection for measuring m Thread sealant gas supply pressure m Level m Allen wrench Parts nee
34. forming the following procedure 1 Disconnect power 2 For heating speed check the temperature rise and make the necessary adjustments to the blower speed tap See the wiring diagrams in the Troubleshooting section 3 Reconnect power A 4 Recheck the temperature rise Repeat the procedure as necessary to achieve optimum temperature rise 5 If the furnace does not begin to heat the room see the Troubleshooting section A Measure return air here C Measure supply temperature here B Warm air D Return air If the construction will continue or the furnace will not be used for 3 Remove burner access panel a period of time follow the shut down procedure 4 Turn off the gas supply at the manual gas shutoff valve 1 Set the thermostat control s to the lowest setting 5 Replace the burner access panel 2 Disconnect power 21 SEQUENCE OF OPERATION During a call for heat the thermostat closes R W circuit of the control board The control board verifies limit switches are closed and pressure switch is open The induced draft blower relay closes causing the blower to run As vent pressure is developed by the induced draft blower the pressure switch closes After a 15 second pre purge the control energizes the hot surface igniter After a 7 second warm up time the control energizes the main gas valve causing the main burners to ignite The hot surface igniter is de energized 3 seconds after the main va
35. ing system can result in the spilling of flue products into the living space the formation of condensate leakage etc See the Carbon Monoxide Poisoning Hazard for proper test procedure AWARNING AX WARNING Aeon U CARBON MONOXIDE POISONING HAZARD Electrically ground furnace Failure to follow the steps outlined below for each Connect ground wire to green ground screw Failure to do so can result in death or electrical shock appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death m The furnace must be grounded and wired in accordance with The following steps shall be followed for each appliance local codes or in the absence of local codes with the connected to the venting system being placed into operation National Electrical Code ANSI NFPA No 70 latest edition while all other appliances connected to the venting system are m Inall instances other than wiring for the thermostat the not in operation wiring to be done and any replacement of wire shall conform 1 Seal any unused openings in the venting system with the temperature limitation for Type T wire 63 F 17 2 C rise 2 Inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code m The line voltage supply should be routed through a readily gt accessible disconnect located within sight of the furnace A ANSI 2223 1 NFPA 54
36. lve opens If flame is sensed during this time the main valve remains energized and the control starts the 30 second heat blower on delay As heating demand is met the thermostat de energizes the R W circuit The control de energizes the main valve causing the burners to shut off The induced draft blower shuts off after a 15 second post purge delay The circulating air blower will continue to operate until the user selectable heat blower off delay expires The control returns to standby mode once the heat blower off delay expires During a fan on call the thermostat energizes the R G circuit of the control board immediately causing the fan to energize the COOL speed The fan remains energized as long as the thermostat calls for fan on operation 22 If a call for cooling is energized during a fan on call the fan continues to operate at the COOL speed If a call for heat is energized during a fan on call the control de energizes the fan immediately and begins the heat call ignition sequence At the end of the fan on call the thermostat de energizes the R G circuit of the control causing the fan to be de energized immediately During a call for cooling the thermostat energizes the R Y circuit of the control board After a 1 second cooling on delay the control energizes the cooling fan speed If the fan is already energized it remains running and does not de energize for the 1 second cooling
37. mercial buildings Furnaces installed in buildings with indoor pools Furnaces installed in hobby or craft rooms Furnaces installed near chemical storage areas Furnaces installed in laundry rooms Furnaces installed in hair salons Indoor air as the source of combustion air Indoor air as the source of combustion air is acceptable in most applications if the following guidelines are met m All provisions for indoor combustion air must meet the requirements for combustion air indicated in the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition and or any applicable local codes m If indoor combustion air is used the air supply to the furnace should not be exposed to the following substances Permanent wave solutions Chlorinated waxes and cleaners Chlorine based swimming pool chemicals Water softening chemicals Deicing salts or chemicals Carbon tetrachloride Halogen type refrigerants Cleaning solvents such as perchloroethylene Printing inks paint removers varnishes etc Cements and glues Antistatic fabric softeners for clothes dryers Masonry acid washing materials Chlorinated laundry products Hydrochloric acid INSTALLATION INSTRUCTIONS AWARNING Explosion Hazard Furnace must be installed and serviced by a qualified person Examples of a qualified person include licensed heating personnel authorized gas company personnel Read and follow all instructions provided for installation adjustment service
38. om air return For bottom air return the bottom air return knockout plate must be removed For units that do not include a side or bottom return filter rack kit no AFILT524 1 side return or kit no AFILT529 1 bottom return can be used To provide sufficient filter area for installations requiring more than 1 600 CFM nominal air delivery return air will have to be brought through both sides of the furnace or through one side and the bottom or an optional filter rack WAFILTHA7 may be used Counterflow Models Filters are not supplied with these furnaces however filters must be used It is the installer s responsibility to install a filter rack with the ductwork and to install properly sized filters in accordance with the Minimum Filter Requirements Chart m The Airflow Descriptor is the 2 digits immediately preceding the hyphen in the furnace model number The model number is located on the rating plate inside the access panel m Areas and dimensions shown for cleanable filters are based on filters rated at 600 ft 182 9 m per minute face velocity 17 m Typical filter sizes are shown however any combination of filters whose area equals or exceeds the minimum area shown is satisfactory Minimum Filter Requirements Chart Disposable Filters Cleanable Filters Airflow Minimum Area Minimum Area Descriptor sq in cm Size in cm Quantity sq in cm Size in cm Quantity 09 4
39. onfined Space An unconfined space is defined as a space whose volume is more than 50 cu ft 1 4 m per 1 000 Btu h of the combined input rating of all appliances installed in that space When a furnace is installed in an unconfined space in a building it can be assumed that the infiltration will be sufficient to supply the required air If the furnace is installed in a ventilated attic or crawl space it is assumed that the air infiltration is sufficient to supply the required combustion air However in a building of unusually tight construction additional outdoor air should be provided Confined Space A confined space is defined as a space whose volume is less than 50 cu ft 1 4 m per 1 000 Btu h of the combined input rating of all appliances installed in that space Use direct vent method See Plan Vent System Contaminated Combustion Air Excessive exposure to contaminated combustion air will result in performance related problems The recommended source of combustion air is outdoor air Outdoor air as the source of combustion air If the furnace is installed in a confined space it is recommended that the necessary combustion air come from the outdoors by way of an attic crawl space air duct or direct opening Outdoor air is required as the source of combustion air when the indoor air is contaminated with chemical substances and in the following types of installations m Furnaces installed in com
40. onse 3 Use the information provided in this section to check the system s operation Failure Codes Chart LED Status Fault Description LED Off No power to control or control hardware fault detected LED On Normal operation 1 Flash Flame present with gas valve off 2 Flashes Pressure switch closed with inducer off 3 Flashes Pressure switch open with inducer on 4 Flashes High limit switch open 5 Flashes Rollout switch open 6 Flashes Pressure switch cycle lockout 7 Flashes Lockout due to no ignition 8 Flashes Lockout due to too many flame dropouts 9 Flashes Incorrect line voltage phasing Wiring Connection Diagram Honeywell VR 8205 System Line Voltage Factory Line Voltage Field Hot Surface Igniter G Low Voltage Factory pangsi Low Voltage Field 120 1 60 Interlock Switch Circulation W Neutral Blower Induced Draft Blower Transformer R fw CMV l I l l OR Gas l Control l Valve l Rollout Rollout Switch Switch NEUTRALS 5 oO al ge lo 6 Flame O GY Sensor E PARK ORO C a 10 1 5A Fuse ali oq Fault Code History eae NOT QQ High Pressure 60 See NOTE OQO gt R Limit Switch P q Switch 90 RCWYG if used 120 1 25 01 SS
41. or the CSA B1 49 1 4 Natural Gas and junction box on the furnace side panel is provided for line Propane Installation Codes and these instructions voltage connections See the Wiring Connection Diagram in Determine that there is no blockage or restriction leakage the Troubleshooting section for specific connection corrosion and other deficiencies which could cause an information unsafe condition m Proper polarity of the supply connections HOT and 3 As far as practical close all building doors and windows NEUTRAL must be observed to be sure that the control system provides the protection intended This furnace is equipped for use with Natural gas A conversion kit is required for use with propane To order the correct conversion kit see Accessories and all doors between the space in which the appliance s connected to the venting system are located and other spaces of the building 4 Close fireplace dampers 5 Turn on clothes dryers and any appliance not connected to the venting system Turn on any exhaust fans such as range hoods and bathroom exhausts so they are operating m Gas supply piping should be installed in accordance with at maximum speed Do not operate a summer exhaust fan local state and national codes and the regulations of the ese utility Piping must be of adequate size to avoid undue 6 Follow the lighting instructions Place the appliance being pressure drop Consult the local
42. pected snow level based on C Flue pipe screen inside flue pipe local conditions D Flue pipe I wall NO 7 E 18 45 7 cm J 3 7 6 cm minimum to 48 bole i 121 9 cm maximum EARS pipe K Condensate collar G 6 15 2 cm L Air intake pipe m For proper operation the vent and air intake pipe must be installed in the same pressure zone Therefore in horizontal venting applications they must be on the same side of the house within the parameters as shown NOTE The 18 45 7 cm dimension shown below is the minimum recommended height for extremely cold areas In these areas moisture in the flue gases may condense and freeze on the air intake if this height is reduced In milder climates this may be reduced to a minimum of 6 15 2 cm Height may be increased as needed provided total length of pipe to furnace is not exceeded Direct Vent Upflow Vertical Venting oB e c TIA D A th E aq H F G A 6 15 2 cm minimum clearance Adjust height to expected snow level based on local conditions B 6 16 5 cm minimum to 24 61 cm maximum F Air intake pipe G Condensate collar H Flue pipe F ae L Run pitch 74 C Flue pipe screen inside flue pipe 6 4 mm per foot D Storm collars minimum E Flashing 13 Nondirect Vent Installation Upflow Installations m Refer to appropriate
43. reate a nuisance or hazard or cause property damage or where condensate vapor could cause damage or could be detrimental to the operation of regulators relief valves or other equipment See Inlet Air Restrictor Plate in Venting Requirements Attach a 90 elbow not supplied to the inlet coupler and install the inlet air restrictor plate inside the elbow m The flue pipe screen designed to keep objects out of the flue pipe see Flue Pipe Screen in Venting Requirements should be installed at the termination of the flue pipe Nondirect Vent Counterflow Vertical Venting OW TI 4 A 24 61 cm minimum to roof or 12 30 5 cm F Air intake pipe minimum clearance Adjust height to expected G Condensate collar snow level based on local conditions H PVC collars B Flue pipe screen inside flue pipe Flue pipe C Storm collar J Run pitch 4 D Flashing 6 4 mm per foot E Inlet air restrictor plate inside intake pipe or minimum elbow m The 45 000 and 67 000 Btu h models contain an inlet air assembly that uses two 22 5 elbows that attach separately from the straight inlet pipe as shown This allows the inlet pipe assembly to be removed if needed for service Inlet Air Assembly 45 000 amp 67 000 Btu h Units A Straight inlet pipe C Burner box B 22 5 elbows IMPORTANT m Install ductwork in accordance with NFPA
44. t always be detected by smell Gas suppliers recommend that you use a gas detector approved by UL or CSA For more information contact your gas supplier If a gas leak is detected follow the What to do if you smell gas instructions The California Safe Drinking Water and Toxic Enforcement Act requires the Governor of California to publish a list of substances known to the State of California to cause cancer birth defects or other reproductive harm and requires businesses to warn of potential exposure to such substances WARNING This product contains a chemical known to the State of California to cause cancer birth defects or other reproductive harm This appliance can cause low level exposure to some of the substances listed including benzene formaldehyde carbon monoxide toluene and soot In the State of Massachusetts the following installation instructions apply m Installations and repairs must be performed by a qualified or licensed contractor plumber or gasfitter qualified or licensed by the State of Massachusetts m f using a ball valve it shall be a T handle type m A flexible gas connector when used must not exceed 3 feet INSTALLATION REQUIREMENTS These instructions are intended as a general guide only for use by qualified persons and do not supersede any national or local codes in any way Compliance with all local state or national codes pertaining to this type of equipment should be d
45. t do not include a side or bottom return filter rack kit no AFILT524 1 side return or kit no AFILT529 1 bottom return can be used To provide sufficient filter area for installations requiring more than 1 600 CFM nominal air delivery return air will have to be brought through both sides of the furnace or through one side and the bottom Installation for Counterflow Downflow Models AWARNING Fire Hazard Before installing counterflow downflow furnace on combustible surface such as wood install one of the following kits WABASE 511 14 5 cabinets WABASE 512 17 5 cabinets WABASE 568 21 cabinets WABASE 569 24 5 cabinets Contact your local dealer 4 Cut a hole in the floor sized to provide 1 2 5 cm clearance between all 4 sides of the duct and the edge of the flooring The 4 angles on the base assembly should be recessed into the floor joists and the base should rest on all 4 outside flanges Construct duct connections with 1 to 134 2 5 cm to 4 4 cm right angle flanges and long enough to extend below the floor joists Drop the duct connections through the top of the base assembly with the right angle flanges in good contact with the glass tape on top of the base assembly Position the furnace over the right angle duct flanges Combustible Floor Installation Counterflow Models only Failure to do so can result in death or fire IMPORTANT m The furnace may be ins
46. talled directly on the supply plenum or coil cabinet if the furnace is installed on a noncombustible floor For installations on combustible flooring a special base must be ordered and used See the Accessories section A A Base assembly D Combustible floor B Furnace E Woven glass tape between C Outlet duct drops into base flanges of outlet duct and assembly base assembly Filters If a filter other than the one supplied by the furnace manufacturer is used see Minimum Filter Requirements in Filter Specifications Install all conditioned air plenums ducts and air filters if not provided on the furnace in accordance with NFPA 90B Standard for the Installation of Warm Air Heating and Air Conditioning Systems latest edition The furnace is provided with flanges for the connection of the plenum and ducts m Allair filters must be listed as Class 2 furnace air filters m All ductwork must be made of materials and insulated to meet local state and national codes Ductwork installed outdoors must be sealed weatherproofed and protected against physical damage Caulking flashing or other means of adequately providing a permanent weather seal should be used where duct penetrates a building or structure opening Existing Venting Systems When an existing furnace is removed or replaced the original venting system may no longer be sized to properly vent the attached appliances An improperly sized vent
47. urisdiction in the area and these instructions IMPORTANT m The venting system must be supported with mounting straps to keep any weight load from being applied to the vent blower Horizontal vent pipe must be supported every 5 ft and vertical pipe should be supported every 10 ft to avoid sagging and provide rigid support m This furnace must not be connected to any Type B BW or L vent or vent connector and must not be connected to any portion of a factory built or masonry chimney m This furnace is not to be common vented with any other appliance The vent pipe must not be connected to a chimney flue serving a separate appliance designed to burn solid fuel Materials m All pipe fittings primer and solvent cement must conform with American National Standard Institute and the American Society for Testing and Materials ANSI ASTM standards The solvent shall be free flowing and contain no lumps undissolved particles or any foreign matter that adversely affects the joint strength or chemical resistance of the cement The cement shall show no gelatinization stratification or separation that cannot be removed by stirring See Piping and Fitting Specifications chart for approved piping and fitting materials Piping and Fitting Specifications Piping and Fitting Material ASTM Specification Schedule 40 PVC Pipe D1785 Schedule 40 PVC Cellular Core Pipe F891 Schedule 40 PVC Fittings D2466 SDR
48. w in the tables For direct vent installations if the vent and air intake pipe are not equal in length and number of elbows then determine the minimum pipe diameter for both the vent and air intake If the results indicate different diameters use the larger of the two for both the vent and air intake NOTE Under no circumstances should the vent and air intake pipe size be different in diameter See Plan Vent System for the furnace model and type of installation The vent system of the furnace must be self supporting and must not apply any weight load to the combustion blower Combustion Air Sources There are 2 sources for combustion air 1 From outside the building Direct Vent 2 From inside the building Nondirect Vent Please read the information provided here about Vertical and Horizontal Venting then find and follow the instructions for your venting configuration 10 Vertical Venting A vertical vent should extend through the roof a minimum of 24 5 1 cm and not be obstructed a minimum of 10 ft 3 m in any direction Horizontal Venting The vent terminal location shall comply with the National Fuel Gas Code ANSI Z223 1 or local requirements For informational purposes the side wall terminal vent clearances are shown in the Sidewall Vent Terminal Clearances tables Sidewall Vent Terminal Clearances Direct Vented Furnaces Horizontal Venting Vent Terminal Air Supply Intake Y Ar
49. x F of the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition IMPORTANT Do not use this furnace if any part has been under 3 If furnace doesn t maintain temperature rise within the range water Immediately call a qualified person to inspect the furnace shown on the furnace rating plate adjust the blower speed and to replace any part of the control system and gas control which has been under water Adjust Blower Speed 1 Check that you have all of your tools 2 Dispose of recycle all packaging materials 3 Check the furnace in its final location Be sure the vent is not AWARN i N G y blocked Measure Temperature Rise 1 Adjust the room thermostat to the highest temperature setting possible 2 After 20 minutes of heating operation measure the furnace temperature rise Take air temperature readings in both the return air ducts and the heated air ducts about 72 1 8 m Disconnect power before servicing from the furnace where they will not be affected by radiant heat as shown NOTE If more than one run of return or heated air ducts are Failure to do so can result in death or electrical shock used air temperature measurements should be taken in each duct These measurements can be converted to an average to obtain the temperature rise of the whole system Electrical Shock Hazard Replace all parts and panels before operating NOTE See the wiring diagrams in the Troubleshooting section while per
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