Allied 95G1DFE Installation Instructions Manual Download

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507277-02

Page 1 of 52

Issue 1621

This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in

manuals, be alert to the potential for personal injury or death.

This manual must be left with the homeowner for future reference.

INSTALLATION INSTRUCTIONS

A95DF1E & 95G1DFE

Warm Air Gas Furnace

Downflow Air Discharge

TABLE OF CONTENTS

Manufactured By

Allied Air Enterprises LLC

A Lennox International, Inc. Company

215 Metropolitan Drive

West Columbia, SC 29170

As with any mechanical equipment, personal injury can

result from contact with sharp sheet metal edges. Be

careful when you handle this equipment.

CAUTION

Improper installation, adjustment, alteration, service

or maintenance can cause property damage, personal

injury or loss of life. Installation and service must

be performed by a licensed professional installer (or

equivalent), service agency or the gas supplier.

WARNING

(P) 507277-02

*P507277-02*

Unit Dimensions .............................................................. 2

A95DF1E & 95G1DFE Parts Arrangement...................... 3

Gas Furnace .................................................................... 4

Shipping and Packing List ............................................... 4

Safety Information ........................................................... 4

Use of Furnace as Construction Heater .......................... 5

General ............................................................................ 6

Combustion, Dilution & Ventilation Air ............................. 6

Setting Equipment ........................................................... 9

Filters ............................................................................. 12

Duct System .................................................................. 12

Pipe & Fittings Specifications

........................................ 12

Joint Cementing Procedure ........................................... 14

Venting Practices ........................................................... 14

Vent Piping Guidelines .................................................. 15

Gas Piping ..................................................................... 30

Electrical ........................................................................ 33

Unit Start-Up .................................................................. 36

Gas Pressure Adjustment .............................................. 38

High Altitude Information ............................................... 38

Other Unit Adjustments.................................................. 41

Blower Motor Performance ............................................ 42

Service........................................................................... 43

Planned Service ............................................................ 45

Diagnostic Codes .......................................................... 45

Repair Parts List ............................................................ 50

Start-Up & Performance Check List .............................. 51

Summary of Contents for 95G1DFE

Page 1: ...t alteration service or maintenance can cause property damage personal injury or loss of life Installation and service must be performed by a licensed professional installer or equivalent service agency or the gas supplier WARNING P 507277 02 P507277 02 Unit Dimensions 2 A95DF1E 95G1DFE Parts Arrangement 3 Gas Furnace 4 Shipping and Packing List 4 Safety Information 4 Use of Furnace as Constructio...

Page 2: ...t 6 9 16 167 Left 2 51 Either Side 3 4 19 B Supply Air 9 16 14 9 16 14 9 16 14 19 7 16 494 CONDENSATE TRAP CONNECTION 5 127 6 1 2 165 Either Side 2 1 4 57 Either Side 1 25 Front Panel 705 AIR FLOW 33 838 C 3 4 19 3 4 19 FRONT VIEW Supply Air 9 16 14 9 229 Unit Dimensions inches mm Model Number A95DF1E 95G1DFE A B C in mm mm 045 12 070 16 17 1 2 446 16 3 8 416 16 406 090 16 110 20 21 533 19 7 8 504...

Page 3: ...rol transformer and door switch BAG ASSEMBLY BLOWER MOTOR hidden COMBUSTION AIR INDUCER BURNER BOX ASSEMBLY includes flame sensor rollout switches and ignitor GAS VALVE BLOWER DECK HEAT EXCHANGER COLD END HEADER BOX PRIMARY LIMIT BLOWER ACCESS PANEL HEATING ACCESS PANEL COMPARTMENT COMPARTMENT ...

Page 4: ... DANGER There are circumstances in which odorant used with LP Propane gas can lose its scent In case of a leak LP Propane gas will settle close to the floor and may be difficult to smell An LP Propane leak detector should be installed in all LP applications Use only the type of gas approved for use with this furnace Refer to unit nameplate This unit is CSA International certified to ANSI Z21 47 an...

Page 5: ...ped to prevent operation of either the heating or the cooling unit unless it is in the full HEAT or COOL setting When installed this furnace must be electrically grounded according to local codes In addition in the United States installation must conform with the current National Electric Code ANSI NFPA No 70 The National Electric Code ANSI NFPANo 70 is available from the following address Nationa...

Page 6: ... of the condensate drain system NOTE The Commonwealth of Massachusetts stipulates these additional requirements Gas furnaces shall be installed by a licensed plumber or fitter only The gas cock must be T handle type When a furnace is installed in an attic the passageway to and service area surrounding the equipment shall be floored Combustion Dilution Ventilation Air If this unit is installed as a...

Page 7: ... door Though an area may appear to be unconfined it might be necessary to bring in outdoor air for combustion if the structure does not provide enough air by infiltration Do not install the furnace in a corrosive or contaminated atmosphere Meet all combustion and ventilation air requirements as well as all local codes CAUTION If the furnace is located in a building of tight construction with weath...

Page 8: ... square inch per 4 000 Btu 645 mm2per 1 17 kW per hour of the total input rating of all equipment in the enclosure OUTLET AIR VENTILATION LOUVERS Each end of attic INLET AIR Ends 12 above bottom ROOF TERMINATED EXHAUST PIPE SIDE WALL TERMINATED EXHAUST PIPE ALTERNATE LOCATION FURNACE Figure 8 Equipment in Confined Space All Air from Outside OUTLET AIR INLET AIR NOTE Each air duct opening shall hav...

Page 9: ...emoved the rigid leg will not touch the blower housing NOTE These units may be equipped with a shipping pad under the blower housing Remove the shipping pad prior to operation Allow for clearances to combustible materials as indicated on the unit nameplate Minimum clearances for closet or alcove installations are shown in Figure 13 Figure 11 Setting Equipment FRONT VIEW SIDE VIEW AIR FLOW AIR FLOW...

Page 10: ...arances to accommodate condensate trap Thefurnacemaybeinstalledonacombustiblewoodfloorifanoptional additive base is installed between the furnace and the combustible floor Downflow Application Installation Clearances Table 1 Non Combustible Floor Opening Size Cabinet Width Front to Rear Side to Side in mm in mm B Cabinet 17 5 19 3 4 502 16 5 8 422 C Cabinet 21 19 3 4 502 20 1 8 511 NOTE Floor open...

Page 11: ...eck for air leaks Return Air Opening Downflow Units Return air may be brought in only through the top opening of a furnace installed in the downflow position The following steps should be taken when installing plenum 1 Bottom edge of plenum should be flanged with a hemmed edge See Figure 17 or 18 2 Sealing strips should be used to ensure an airtight seal between the cabinet and the plenum 3 In all...

Page 12: ...the furnace cabinet to ensure a tight seal If a filter is installed size the return air duct to fit the filter frame Pipe Fittings Specifications All pipe fittings primer and solvent cement must conform withAmerican National Standard Institute and theAmerican Society for Testing and Materials ANSI ASTM standards The solvent shall be free flowing and contain no lumps undissolved particles or any fo...

Page 13: ... fitting socket Canadian Applications Only Pipe fittings primer and solvent cement used to vent exhaust this appliance must be certified to ULC S636 and supplied by a single manufacturer as part of an approved vent exhaust system When bonding the vent system to the furnace use ULC S636 approved One Step Transition Cement to bond the pipe to the flue collar In addition the first three feet of vent ...

Page 14: ...ement Hammer blows should not be used when inserting pipe 8 After assembly wipe excess cement from pipe at end of fitting socket A properly made joint will show a bead around its entire perimeter Any gaps may indicate an improper defective assembly due to insufficient solvent 9 Handle joints carefully until completely set NOTE A sheet metal screw may be used to secure the intake pipe to the connec...

Page 15: ... large enough to allow clearance on all sides of pipe through center of hole using a hanger 2 When furnace is installed in a residence where unit is shut down for an extended period of time such as a vacation home make provisions for draining condensate collection trap and lines 3 Route piping to outside of structure Continue with installation following instructions given in piping termination sec...

Page 16: ...045 070 090 110 045 070 090 110 1 53 38 22 n a 90 70 39 n a 111 111 104 104 2 48 33 17 85 65 34 106 106 99 99 3 43 28 12 80 60 29 101 101 94 94 4 38 23 n a 75 55 24 96 96 89 89 5 33 18 70 50 19 91 91 84 84 6 28 13 65 45 14 86 86 79 79 7 23 n a 60 40 n a 81 81 74 74 8 18 55 35 76 76 69 69 9 13 50 30 71 71 64 64 10 n a 45 25 66 66 59 59 Standard Termination at Elevation 0 10 000 ft Number Of 90 Elbo...

Page 17: ...oning up in pipe size use the shortest length of 2 PVC pipe possible NOTE Exhaust pipe and intake pipe must be the same diameter 2 Figure 22 Figure 23 Typical Intake Pipe Connections Direct Vent Applications 2 2 TRANSITION 2 3 TRANSITION 3 Pipe size determined in Table 7 2 2 or TOP VIEW EXHAUST INTAKE When transitioning up in pipe size use the shortest length of 2 PVC pipe possible NOTE Intake pip...

Page 18: ...scharged outdoors 1 Use field provided materials and the factory provided air intake screen to route the intake piping as shown in Figure 25 Maintain a minimum clearance of 3 76 mm around the air intake opening The air intake opening with the protective screen should always be directed forward or sideways 2 If intake air is drawn from a ventilated aittic Figure 25 or ventilated crawlspace Figure 2...

Page 19: ...nly In accordance to CSA International B149 installation codes the minimum allowed distance between the combustion air intake inlet and the exhaust outlet of other appliances shall not be less than 12 inches 305 mm IMPORTANT Table 8 NOTE During extremely cold temperatures below approximately 20 F 6 C units with long runs of vent pipe through unconditioned space even when insulated may form ice in ...

Page 20: ...cal air supply inlet to building or the com bustion air inlet to any other ap pliance Clearance to mechanical air sup ply inlet Clearance above paved sidewalk or paved driveway located on public property Clearance under veranda porch deck or balcony 12 Equal to or greater than soffit depth 3 feet 9m 12 3 feet 9m within a height 15 feet 4 5m above the meter regulator assembly 3 feet 9m 6 inches 152...

Page 21: ... building or the com bustion air inlet to any other ap pliance Clearance to mechanical air sup ply inlet Clearance above paved sidewalk or paved driveway located on public property Clearance under veranda porch deck or balcony 12 7 feet 2 1m 3 feet 9 m within a height 15 feet 4 5 m above the meter regulator assembly 3 feet 9 m 6 inches 152 mm for appliances 10 000 Btuh 3kw 9 inches mm for applianc...

Page 22: ...ons a minimum distance between the end of the exhaust pipe and the end of the intake pipe without a termination elbow is 8 and a minimum distance of 6 with a termination elbow See Figures 28 and 29 7 If intake and exhaust piping must be run up a side wall to position above snow accumulation or other obstructions piping must be supported every 24 610 mm as shown in Figures 28 and 29 When exhaust an...

Page 23: ...elerator in applications that include an exhaust termination tee The accelerator is not required 2 As required Flue gas may be acidic and may adversely affect some building materials If a side wall vent termination is used and flue gases will impinge on the building materials a corrosion resistant shield 24 inches square should be used to protect the wall surface If optional tee is used the protec...

Page 24: ...TION IN UNCONDITIONED SPACE IF REQUIRED E EXTENDED APPLICATION A IF REQUIRED Figure 28 Field Supplied Wall Termination Figure 29 Field Supplied Wall Termination See venting Table 7 for maximum venting lengths with this arrangement Use wall support every 24 610 mm Use two wall supports if extension is greater than 24 610 mm but less than 48 1219 mm NOTE One wall support must be 6 152 mm from top of...

Page 25: ... AIR 5 1 2 140mm Front View 12 305mm 5 127mm 18 MAX 457mm EXHAUST VENT INTAKE AIR Inches mm Side View 12 305mm Min above grade or average snow accumulation optional intake elbow Optional Vent Termination for Multiple Unit Installation of Direct Vent Wall Termination Kit Figure 33 Direct Vent Application Using Existing Chimney NOTE Do not discharge exhaust gases directly into any chimney or vent st...

Page 26: ...N UNCONDITIONED SPACE IF REQUIRED PVC REDUCER 1 2 13mm ARMAFLEX INSULATION SIZE TERMINATION PIPE PER TABLE 8 FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 12 MIN 305mm Above Grade or average snow accumulation 12 305mm MAX for 2 51mm 20 508mm MAX for 3 76mm IF REQUIRED Non Direct Vent Field Supplied Wall Termination Extended Figure 36 12 305mm ABOVE GRADE OR A...

Page 27: ...trap Secure with clamp See Figure 43 4 Install drain trap using appropriate PVC fittings glue all joints Glue the provided drain trap as shown in Figure 43 Route the condensate line to an open drain Condensate line must maintain a 1 4 downward slope from the furnace to the drain 5 If unit will be started immediately upon completion of installation prime trap per procedure outlined in Unit Start Up...

Page 28: ... drain into the drain line from the evaporator coil CAUTION Figure 40 Unit with Evaporator Coil When compining the furnace and evaporator coil drains together the A C condensate drain outlet must be vented to relieve pressure in order for the furnace pressure switch to operate properly IMPORTANT Figure 41 Evaporator Coil Using a Common Drain Figure 42 Condensate Trap with Optional Overflow Switch ...

Page 29: ...507277 02 Page 29 of 52 Issue 1621 Figure 43 Trap Drain Assembly Using 1 2 PVC or 3 4 PVC ...

Page 30: ...ertical pipe runs to serve as a trap for sediment or condensate 5 A 1 8 N P T plugged tap or pressure post is located on the gas valve to facilitate test gauge connection See Figure 52 6 In some localities codes may require installation of a manual main shut off valve and union furnished by installer external to the unit Union must be of the ground joint type Leak Check After gas piping is complet...

Page 31: ... 4 28 138 3 91 125 3 54 118 3 34 110 3 11 103 2 92 1 25 4 1 049 26 645 680 19 25 465 13 17 375 10 62 320 9 06 285 8 07 260 7 36 240 6 80 220 6 23 205 5 80 195 5 52 1 1 4 31 75 1 380 35 052 1400 39 64 950 26 90 770 21 80 660 18 69 580 16 42 530 15 01 490 13 87 460 13 03 430 12 18 400 11 33 1 1 2 38 1 1 610 40 894 2100 59 46 1460 41 34 1180 33 41 990 28 03 900 25 48 810 22 94 750 21 24 690 19 54 650...

Page 32: ...corrosion or other deficiencies which could cause an unsafe condition 3 Close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn ON clothes dryers and any appliances not connected to the common venting system Turn ON any exhaust fans such as range hoods and bathroo...

Page 33: ...he provided unit wiring diagram and the field wiring diagram shown in Figure 49 Use 18 gauge wire or larger that is suitable for Class II rating for thermostat connections Electrically ground the unit according to local codes or in the absence of local codes according to the current National Electric Code ANSI HFPA No 70 for the USA and current Canadian Electric Code Part 1 CSA standard C22 1 for ...

Page 34: ...nace is being matched with a heat pump refer to the FM21 installation instruction or appropriate dual fuel thermostat instructions Indoor Blower Speeds 1 When the thermostat is set to FAN ON the indoor blower will run continuously on the fan speed when there is no cooling or heating demand 2 When the furnace is running in the heating mode the indoor blower will run on the heating speed 3 When ther...

Page 35: ...507277 02 Page 35 of 52 Issue 1621 Typical Wiring Diagram Figure 50 For A95DF1E 95G1DFE ...

Page 36: ...o not attempt to manually light burners on this furnace Each time the thermostat calls for heat the burners will automatically light The ignitor does not get hot when there is no call for heat on these units Danger of explosion Can cause injury or product or property damage Should the gas supply fail to shut off or if overheating occurs shut off the gas valve to the furnace before shutting off the...

Page 37: ...itially started steps 1 through 11 may need to be repeated to purge air from gas line 12 If the appliance will not operate follow the instructions Turning Off Gas to Unit and call your service technician or gas supplier Turning Off Gas to Unit 1 Set the thermostat to the lowest setting 2 Turn off all electrical power to the unit if service is to be performed 3 Remove the heating compartment access...

Page 38: ...up to 10 000 ft above sea level See table 12 for de rate manifold values Units installed at altitude of 7501 10 000 feet require an orifice change Units installed at altitudes of 4501 10 000 feet 1373 to 3048 m require a pressure switch change which can be ordered separately Table 14 lists conversion kit and pressure switch requirements at varying altitudes The combustion air pressure switch is fa...

Page 39: ...is factory set No adjustment necessary All models use the factory installed pressure switch from 0 4500 feet 0 1370 m Unit Size 0 7 500 ft 0 2 286 m 7 501 10 000 ft 2 286 3048m Natural to LP Propane LP Propane to Natural High Altitude Natural Burner Orifice Kit High Altitude LP Propane Burner Orifice Kit All 11K50 73W80 51W01 11K45 Conversion requires installation of a gas valve regulator spring w...

Page 40: ... 2 Visually inspect the venting system for proper size and horizontal pitch Determine there is no blockage or restriction leakage corrosion or other deficiencies which could cause an unsafe condition 3 To the extent that it is practical close all building doors and windows and all doors between the space in which the appliances connected to the venting system are located and other spaces of the bu...

Page 41: ...ontrol module both contained in the same motor housing The motor is programmed to provide constant torque at each of the five selectable speeds The motor has five speed taps Each tap requires 24 volts to energize Thermostat Heat Anticipation Set the heat anticipator setting if adjustable according to the amp draw listed on the wiring diagram that is attached to the unit Electrical 1 Check all wiri...

Page 42: ... 1470 365 1265 245 895 110 0 30 1665 540 1430 380 1235 250 835 120 0 40 1605 555 1390 395 1185 260 775 130 0 50 1585 565 1335 400 1155 275 690 140 0 60 1540 565 1300 410 1100 290 625 145 0 70 n a n a 1260 420 1050 295 570 150 0 80 n a n a 1220 430 1015 305 520 155 cfm Medium Watts 1255 1200 1165 1120 1070 1015 970 915 865 180 185 195 205 210 225 235 245 255 A95DF1E 95G1DFE 090 C16 PERFORMANCE Less...

Page 43: ... gas valve Remove gas valve manifold assembly 5 Remove sensor wire from sensor Disconnect 2 pin plug from the ignitor 6 Disconnect wires from flame rollout switches 7 Loosen clamps at vent elbow Disconnect condensate drain tubing from flue collar and remove the vent elbow 8 Remove four burner box screws at the vestibule panel and remove burner box Set burner box assembly aside NOTE If necessary cl...

Page 44: ...p in center of burner ports 34 Reinstall gas valve manifold assembly Reconnect gas supply line to gas valve 35 Reconnect 2 wires to gas valve 36 Replace the blower compartment access panel 37 Refer to instruction on verifying gas and electrical connections when re establishing supplies 38 Follow lighting instructions to light and operate furnace for 5 minutes to ensure that heat exchanger is clean...

Page 45: ...al between the return air and the room where the furnace is installed Return air duct Must be properly attached and provide an air seal to the unit Operating performance Unit must be observed during operation to monitor proper performance of the unit and the vent system Combustion gases Flue products must be analyzed and compared to the unit specifications Problems detected during the inspection m...

Page 46: ...507277 02 Page 46 of 52 Issue 1621 Troubleshooting Heating Sequence of Operation ...

Page 47: ...507277 02 Page 47 of 52 Issue 1621 Troubleshooting Heating Sequence of Operation continued ...

Page 48: ...507277 02 Page 48 of 52 Issue 1621 Troubleshooting Cooling Sequence of Operation ...

Page 49: ...507277 02 Page 49 of 52 Issue 1621 Troubleshooting Continuous Fan Sequence of Operation ...

Page 50: ...uivalent service agency or gas supplier Cabinet Parts Heating Compartment Access Panel Blower Compartment Access Panel Top Cap Control Panel Parts Transformer Integrated Control Board Door Interlock Switch Blower Parts Blower Wheel Motor Motor Mounting Frame Motor Capacitor Blower Housing Cutoff Plate Heating Parts Flame Sensor Heat Exchanger Assembly Gas Manifold Combustion Air Inducer Gas Valve ...

Page 51: ...ondensate Trap Primed Line Sloped Heat Cable Installed and Operable if applicable 2 2 2 1 Horizontal Pipes Sloped if applicable UNIT SET UP 3 4 Flter RETURN AIR Furnace Model Number_______________ Serial Number_________________ 3 DUCT SYSTEM SUPPLY AIR DUCT Sealed Insulated if necessary RETURN DUCT Sealed Filter Installed and Clean Grilles Unobstructed 4 VOLTAGE CHECK Supply Voltage _____ Electric...

Page 52: ...ly External Static Return External Static Total External Static CONDENSATE LINE 6 Leak Free VENT PIPE 7 Leak Free COOLING MODE INDOOR BLOWER AMPS______ 3 TEMPERATURE DROP Return Duct Temperature Supply Duct Temperature Temperature Drop 4 DRAIN LINE 8 Leak Free THERMOSTAT Adjusted and Programmed Explained Operation to Owner 9 SUPPLY AIR Blower Motor Amps Duct Static Thermostat Gas Manifold Pressure...

Page 53: ... minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall ...

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