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506725-01

Page 1 of 48

Issue 1109

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.

As with any mechanical equipment, personal injury can

result from contact with sharp sheet metal edges. Be

careful when you handle this equipment.

CAUTION

Manufactured By

Allied Air Enterprises, Inc.

A Lennox International, Inc. Company

215 Metropolitan Drive

West Columbia, SC 29170

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

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

A95/A93/95G1/92G1DF Parts Arrangement ................. 3

A95/A93/95G1/92G1DF Gas Furnace .......................... 4

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

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

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

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

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

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

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

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

Pipe and Fittings Specifications .................................. 12

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

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

TABLE OF CONTENTS

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

Gas Piping .................................................................. 28

Electrical ..................................................................... 31

Unit Start Up ................................................................ 34

Gas Pressure Adjustment ........................................... 36

High Altitude Information............................................. 36

Other Unit Adjustments ............................................... 39

Blower Motor Performance ......................................... 40

Service ........................................................................ 42

Planned Service .......................................................... 44

Diagnostic Codes ........................................................ 44

Repair Parts List ......................................................... 45

Start Up Checklist ....................................................... 46

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

INSTALLATION INSTRUCTIONS

A95DF, A93DF, 95G1DF & 92G1DF

Warm Air Gas Furnace / Downflow Air Discharge

(P) 506725-01

*P506725-01*

Содержание 92G1DF

Страница 1: ...lent service agency or the gas supplier WARNING Unit Dimensions 2 A95 A93 95G1 92G1DF Parts Arrangement 3 A95 A93 95G1 92G1DF Gas Furnace 4 Shipping and Packing List 4 Safety Information 4 Use of Furn...

Страница 2: ...4 489 9 1 8 232 Right 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 Pa...

Страница 3: ...trol transformer and door switch BAG ASSEMBLY BLOWER MOTOR hidden BLOWER ACCESS PANEL HEATING ACCESS PANEL COMBUSTION AIR INDUCER BURNER BOX ASSEMBLY includes flame sensor rollout switches and ignitor...

Страница 4: ...DANGER OF EXPLOSION DANGER There are circumstances in which odorant used with LP Propane gas can lose its scent In case of a leak LP Propanegaswillsettleclosetothefloorandmaybedifficult to smell An L...

Страница 5: ...n addition in the United States installation must conform with the current National Electric Code ANSI NFPANo 70 The National Electric Code ANSI NFPA No 70 is available from the following address Nati...

Страница 6: ...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...

Страница 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 Do not install the furnace in a corrosive o...

Страница 8: ...protective covering is not known for calculating the size opening required it may be assumed that wood louvers will have 20 to 25 percent free area and metal louvers and grilles will have 60 to 75 pe...

Страница 9: ...affect the operation of the safety control devices which could result in personal injury or death Select a location that allows for the required clearances that are listed on the unit nameplate Also...

Страница 10: ...ble Flooring Figure 13 1 When unit is installed on a combustible floor a downflow combustible flooring base must be installed between the furnace and the floor The base must be ordered separately See...

Страница 11: ...net and check 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 ta...

Страница 12: ...essure the flue products can be pulled back down the vent pipe and into the room This reverse flow of the flue gas may result in incomplete combustion and the formation of carbon monoxide gas This tox...

Страница 13: ...n 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...

Страница 14: ...ment 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 join will show a bead around its entire perimeter Any ga...

Страница 15: ...ence 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 Exhaust Piping Figure 20 Route piping to outside o...

Страница 16: ...117 117 98 98 4 46 31 n a 85 65 28 112 112 93 93 5 41 26 80 60 23 107 107 88 88 6 36 21 75 55 18 102 102 83 83 7 31 16 70 50 13 97 97 78 78 8 26 11 65 45 n a 92 92 73 73 9 21 n a 60 40 87 87 68 68 10...

Страница 17: ...ength of 2 PVC pipe possible NOTE Intake pipe and exhaust pipe must be the same diameter 2 2 2 FIGURE 20 TYPICAL EXHAUST PIPE CONNECTIONS TRANSITION 2 2 2 3 Pipe size determined in Table 7 2 2 or DO N...

Страница 18: ...ANSI Z223 1 NFPA54 in U S A and current CSA B149 Natural Gas and Propane Installation Codes in Canada for details Position termination according to location given in Figure 23 or 24 In addition positi...

Страница 19: ...hanical 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 p...

Страница 20: ...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 ver...

Страница 21: ...ns 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 I...

Страница 22: ...lerator 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 ven...

Страница 23: ...A D WALL SUPPORT 1 2 13mm ARMAFLEX INSULATION IN UNCONDITIONED SPACE IF REQUIRED E EXTENDED APPLICATION A IF REQUIRED FIGURE 29 FIELD SUPPLIED WALL TERMINATION See venting Table 7 for maximum venting...

Страница 24: ...AIR 5 1 2 140mm Front View 12 305mm 5 127mm 18 MAX 457mm EXHAUST VENT INTAKE AIR OPTIONAL VENT TERMINATION FOR MULTIPLE UNIT INSTALLATION OF DIRECT VENT WALL TERMINATION KIT Inches mm Side View 12 305...

Страница 25: ...3mm ARMAFLEX INSULATION NON DIRECT VENT FIELD SUPPLIED WALL TERMINATION SIZE TERMINATION PIPE PER TABLE 8 FIELD PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 12 MIN 30...

Страница 26: ...furnace to the drain 5 If unit will be started immediately upon completion of installation prime trap per procedure outlined in Unit Start Up section FIGURE 39 CONDENSATE TRAP LOCATION shown with righ...

Страница 27: ...in To Drain 90 Elbow 3 4 inch PVC Not Furnished To Drain 90 Elbow 1 2 inch PVC Not Furnished 1 2 inch PVC Pipe Not Furnished Drain Assembly for 3 4 inch Drain Pipe OPTIONAL Drain Piping OPTIONAL Conde...

Страница 28: ...10 feet 2 44 to 3 05 m using suitable hangers or straps Install a drip leg in vertical pipe runs to serve as a trap for sediment or condensate 5 A1 8 N P T plugged tap or pressure post is located on t...

Страница 29: ...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...

Страница 30: ...orrosion 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 ve...

Страница 31: ...switch near the furnace so that power can be turned off for servicing Before connecting the thermostat check to make sure the wires will be long enough for servicing at a later date Make sure that th...

Страница 32: ...specifying a generator for use with this equipment The furnace requires 120 volts 10 Range 108 volts to 132 volts The furnace operates at 60 Hz 5 Range 57 Hz to 63 Hz The furnace integrated control re...

Страница 33: ...506725 01 Page 33 of 48 Issue 1109 TYPICAL WIRING DIAGRAM FIGURE 48...

Страница 34: ...and do not try to repair it Force or attempted repair may result in a fire or explosion Placing the furnace into operation This furnace is equipped with an automatic hot surface ignition system Do not...

Страница 35: ...tially 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 technici...

Страница 36: ...e reading has been obtained Take care to remove barbed fitting and replace threaded plug Proper Combustion Furnace should operate minimum 15 minutes with correct manifold pressure and gas flow rate be...

Страница 37: ...factory set No adjustment necessary All models use the factory installed pressure switch from 0 7 500 feet Unit Size 0 4 500 ft 0 1 373 m 4 501 7 500 ft 1 373 2 286 m 7 501 10 000 ft 2 286 3 038 m 045...

Страница 38: ...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...

Страница 39: ...e unit Electrical 1 Check all wiring for loose connections 2 Check for the correct voltage at the furnace with furnace operating Correct voltage is 120 VAC 10 3 Check amp draw on the blower motor with...

Страница 40: ...70 615 0 80 1625 1155 1510 820 1400 695 1315 595 0 90 1455 1110 1390 790 1350 660 1210 565 A93DF1D 92G1DF 045 12B PERFORMANCE Less Filter External Static Pressure in w g Air Volume Watts at Various Bl...

Страница 41: ...80 1735 1030 1620 740 1590 620 1415 535 0 90 1640 1010 1535 715 1480 600 1330 510 A95DF1D 95G1DF 045 12B PERFORMANCE Less Filter External Static Pressure in w g Air Volume Watts at Various Blower Spe...

Страница 42: ...rap then reinstall the clean out cap Cleaning Heat Exchanger If cleaning the heat exchanger becomes necessary follow the below procedures and refer to Figure 1 when disassembling unit Use papers or pr...

Страница 43: ...d 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 and dry and that furnace is ope...

Страница 44: ...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 o...

Страница 45: ...valent 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 Swi...

Страница 46: ...lled Properly Pipes Supported Condensate 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...

Страница 47: ...y 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...

Страница 48: ...mum 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 t...

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