Payne PG8JVA Installation Instructions Manual Download

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PG8MVA

PG8JVA

Installation Instructions

VARIABLE---SPEED

INDUCED---COMBUSTION

4---WAY MULTIPOISE GAS FURNACE

SERIES A

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . . .

INTRODUCTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CODES AND STANDARDS

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Safety

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Combustion and Ventilation Air

. . . . . . . . . . . . . . . . . . . . . .

Duct Systems

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Acoustical Lining and Fibrous Glass Duct

. . . . . . . . . . . . . . .

Gas Piping and Gas Pipe Pressure Testing

. . . . . . . . . . . . . . .

Electrical Connections

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Venting

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS

PROCEDURE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LOCATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AIR FOR COMBUSTION AND VENTILATION

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Outdoor Combustion Air Method

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The Standard Method:

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Combination of Indoor and Outdoor Air

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INSTALLATION

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Bottom Return Air Inlet

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Side Return Air Inlet

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Leveling Legs (If Desired)

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Bottom Return Air Inlet

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Suspended Furnace Support

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Platform Furnace Support

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Roll--Out Protection

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Bottom Return Air Inlet

. . . . . . . . . . . . . . . . . . . . . . . . . .

Side Return Air Inlet

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Filter Arrangement

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AIR DUCTS

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General Requirements

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Ductwork Acoustical Treatment

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Supply Air Connections

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Upflow and Horizontal Furnaces

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Downflow Furnaces

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Return Air Connections

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Downflow Furnaces

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Upflow and Horizontal Furnaces

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GAS PIPING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ELECTRICAL CONNECTION

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ACCESSORIES

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VENTING

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START--UP, ADJUSTMENT, AND SAFETY CHECK

. . . . .

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Start--Up Procedures

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjustments

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Check Safety Controls

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checklist

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SERVICE AND MAINTENANCE PROCEDURES

. . . . . . .

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Care and Maintenance

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sequence of Operation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wiring Diagram

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting

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PARTS REPLACEMENT INFORMATION GUIDE

. . . . . . .

C E RT I F I E D

Always Ask For

Use of the AHRI Certified

Mark indicates a

manufacturer’s participation in the program. For
verification of certification for individual products,
go to www.ahridirectory.org.

NOTE

: Read the entire instruction manual before starting the

installation.
Portions of the text and tables are reprinted from NFPA 54/ANSI
Z223.1--2012

, with permission of National Fire Protection

Association, Quincy, MA 02269 and American Gas Association,
Washington DC 20001. This reprinted material is not the

complete and official position of the NFPA or ANSI on the
referenced subject, which is represented only by the standard in

its entirety.

Summary of Contents for PG8JVA

Page 1: ... Upflow and Horizontal Furnaces 14 Downflow Furnaces 15 Return Air Connections 18 Downflow Furnaces 18 Upflow and Horizontal Furnaces 18 GAS PIPING 19 ELECTRICAL CONNECTION 20 ACCESSORIES 22 VENTING 22 START UP ADJUSTMENT AND SAFETY CHECK 34 General 34 Start Up Procedures 37 Adjustments 37 Check Safety Controls 45 Checklist 46 SERVICE AND MAINTENANCE PROCEDURES 46 General 46 Care and Maintenance 4...

Page 2: ...njury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation 1 Use only with type of gas approved for this furnace Refer to the furnace rating plate 2 Install this furnace only in a location and position as spe cified in the Location section of these instructions 3 Provide adequate combustion and ventilation air to t...

Page 3: ...3 A10269 Fig 1 Clearances to Combustibles PG8MVA ...

Page 4: ...Washington DC 20001 www AGA org Combustion and Ventilation Air Section 9 3 NFPA 54 ANSI Z223 1 2012 Air for Combustion and Ventilation Duct Systems Air Conditioning Contractors Association ACCA Manual D Sheet Metal and Air Conditioning Contractors National Association SMACNA or American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE 2001 Fundamentals Handbook Chapter 34 or ...

Page 5: ...0 26 7 16 671 5 5 1 8 130 5 2 1 16 51 6 C 1 11 16 43 5 7 8 22 2 ACCESSORY 2 C 26 1 8 663 6 PART NUMBER SD4973 4 SHT 1 REV B NEXT SHEET NONE FURNACE SIZE MODELS A CABINET WIDTH B OUTLET WIDTH C TOP AND BOTTOM VENT KNOCKOUT LOCATION D BOTTOM INLET WIDTH FLUE COLLAR SHIPPING WEIGHT PG8JVA PG8MVA inches mm inches mm inches mm inches mm inches mm LBS KG 036 070 14 3 16 360 12 9 16 319 9 5 16 237 12 11 ...

Page 6: ...oride bromide and iodide These elements can corrode heat exchangers and shorten furnace life Air contaminants are found in aerosol sprays detergents bleaches cleaning solvents salts air fresheners and other household products Do not install furnace in a corrosive or contaminated atmosphere Make sure all combustion and circulating air requirements are met in addition to all local codes and ordinanc...

Page 7: ...ently installed with all electrical wiring piping venting and ducting installed according to these installation instructions A return air duct is provided sealed to the furnace casing and terminated outside the space containing the furnace This prevents a negative pressure condition as created by the circulating air blower causing a flame rollout and or drawing combustion products into the structu...

Page 8: ...1 2 200 62 2 3 300 93 4 4 400 124 5 5 500 155 7 6 600 186 8 7 700 218 0 0 20 3 150 89 1 4 200 118 9 5 250 148 6 3 300 93 4 4 950 140 1 6 600 186 8 8 250 233 6 9 900 280 3 11 550 327 0 0 10 6 300 178 3 8 400 237 8 10 500 297 3 6 600 186 8 9 900 280 3 13 200 373 7 16 500 467 2 19 800 560 6 23 100 654 1 0 00 NP NP NP NP NP NP NP NP NP NP Not Permitted AIR FOR COMBUSTION AND VENTILATION Provisions for...

Page 9: ...combined input of all gas appli ances in the space per Table 1 and b Not less than the sum of the areas of all vent connect ors in the space CIRCULATING AIR DUCTS 6 MIN FRONT Ü CIRCULATING AIR DUCTS VENT THROUGH ROOF 1 SQ IN PER 1000 BTUH IN DOOR OR WALL 12 MAX 1 SQ IN PER 1000 BTUH IN DOOR OR WALL 12 MAX UNCONFINED SPACE INTERIOR HEATED SPACE CLEARANCE IN FRONT OF COMBUSTION AIR OPENINGS SHALL BE...

Page 10: ...ent ventilation and dilution of flue gases However in buildings with unusually tight construction additional air MUST be provided using the methods de scribed in the Outdoor Combustion Air Method section 4 Unusually tight construction is defined as Construction with a Walls and ceilings exposed to the outdoors have a con tinuous sealed vapor barrier Openings are gasketed or sealed and b Doors and ...

Page 11: ...rd this panel when bottom return air is used To remove bottom closure panel perform the following 1 Tilt or raise furnace and remove 2 screws holding bottom filler panel See Fig 9 2 Rotate bottom filler panel downward to release holding tabs 3 Remove bottom closure panel 4 Reinstall bottom filler panel and screws HORIZONTAL INSTALLATION FIRE EXPLOSION AND CARBON MONOXIDE POISONING HAZARD Failure t...

Page 12: ...e and discard this panel when bottom return air is used To remove bottom closure panel perform the following 1 Tilt or raise furnace and remove two screws holding bot tom filler panel See Fig 9 2 Rotate bottom filler panel downward to release holding tabs 3 Remove bottom closure panel 4 Reinstall bottom filler panel and screws Side Return Air Inlet These furnaces are shipped with bottom closure pa...

Page 13: ...8 Filter Arrangement CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death Never operate a furnace without a filter or with filter access door removed WARNING There are no provisions for an internal filter rack in these furnaces A field supplied accessory external filter rack is required Refer to the instructions supplied with the external filter ...

Page 14: ... All accessories MUST be connected to duct external to furnace main casing NOTE For horizontal applications the top most flange may be bent past 90_ to allow the evaporator coil to hang on the flange temporarily while the remaining attachment and sealing of the coil are performed Downflow Furnaces Connect supply air duct to supply air outlet on furnace Bend flange inward past 90_ with wide duct pl...

Page 15: ...R ROD 8 203mm MIN FOR DOOR REMOVAL OUTER DOOR ASSEMBLY A10130 Fig 15 Horizontal Unit Suspension METHOD 2 USE 4 8 x 3 4 19 mm SHEET METAL SCREWS FOR EACH STRAP THE STRAPS SHOULD BE VERTICAL AGAINST THE FURNACE SIDES AND NOT PULL AWAY FROM THE FURNACE SIDES METHOD 1 FOLD ALL STRAPS UNDER FURNACE AND SECURE WTH 4 8 x 3 4 19 mm SHEET METAL SCREWS 2 SCREWS IN SIDE AND 2 SCREWS IN BOTTOM A10131 Fig 16 H...

Page 16: ...TIONS OF THE TOP AND TWO SIDES OF THE FURNACE JACKET AND BUILDING JOISTS STUDS OR FRAMING GAS ENTRY 17 3 4 451mm OVERALL 4 3 4 121mm UNDER DOOR 1 25mm UNDER FURNACE EXTEND OUT 12 305mm FROM FACE OF DOOR WHEN USED WITH SINGLE WALL VENT CONNECTIONS UNION 152mm 451mm 559mm A10164 Fig 17 Typical Attic Installation A02075 Fig 18 Upflow Return Air Configurations and Restrictions PG8MVA ...

Page 17: ...17 A02163 Fig 19 Downflow Return Air Configurations and Restrictions A02162 Fig 20 Horizontal Return Air Configurations and Restrictions PG8MVA ...

Page 18: ...Cooling 1050 0 0 50 1050 1050 1050 1050 1050 3 1 2 Ton A C Cooling 1225 0 1 0 1225 1225 1225 1225 1225 1225 1225 1225 1225 1225 4 Ton A C Cooling 1400 0 1 0 1400 1400 1400 1400 1400 1400 1400 1400 1400 1400 5 Ton A C Cooling 1750 0 1 0 1750 1750 1750 1750 1750 1750 1750 1750 1740 1725 6 Ton A C Cooling 2100 0 1 0 2100 2100 2100 2100 2090 2075 2055 2040 2005 1970 Maximum 2200 0 1 0 2200 2190 2190 2...

Page 19: ... supply connections MUST be performed by a li censed plumber or gas fitter 2 When flexible connectors are used the maximum length shall not exceed 36 in 915 mm 3 When lever handle type manual equipment shutoff valves are used they shall be T handle valves 4 The use of copper tubing for gas piping is NOT approved by the state of Massachusetts Refer to Table 5 for recommended gas pipe sizing Risers ...

Page 20: ...AZARD Failure to follow this warning could result in personal injury or death Blower access panel door switch opens 115 v power to control No component operation can occur Do not bypass or close switch with panel removed WARNING See Fig 25 for field wiring diagram showing typical field 115 v wiring Check all factory and field electrical connections for tightness Field supplied wiring shall conform...

Page 21: ...green ground screw inside J Box See Fig 23 2 Cut wire tie on loop in furnace wires attached to J Box 3 Move J Box to desired location 4 Fasten J Box to casing with the two screws removed in Step 1 5 Route J Box wires within furnace away from sharp edges rotating parts and hot surfaces Electrical Connection to J Box Electrical Box on Furnace Casing Side See Fig 24 FIRE OR ELECTRICAL SHOCK HAZARD Fa...

Page 22: ...during installation service or maintenance could cause this fuse to blow If fuse replacement is required use ONLY a 3 amp fuse of identical size ACCESSORIES 1 Electronic Air Cleaner EAC Connect an accessory Electronic Air Cleaner if used us ing 1 4 in female quick connect terminals to the two male 1 4 in quick connect terminals on the control board marked EAC 1 and EAC 2 The terminals are rated fo...

Page 23: ... W1 W2 Y Y2 G NOTES 1 2 3 A95236 Fig 25 Field Wiring Diagram 24 V THERMOSTAT TERMINALS PL2 HOT SURFACE IGNITER INDUCER MOTOR CONNECTOR 115 VAC L2 NEUTRAL CONNECTIONS 115 VAC L1 LINE VOLTAGE CONNECTIONS EAC 1 TERMINAL 115 VAC 1 0 AMP MAX PL1 LOW VOLTAGE MAIN HARNESS CONNECTOR PL3 ECM BLOWER HARNESS CONNECTOR TRANSFORMER 24 VAC CONNECTIONS 3 AMP FUSE STATUS AND COMM LED LIGHTS SW1 SETUP SWITCHES AND...

Page 24: ...t system or vent connectors may need to be resized Vent systems or vent connectors must be sized to approach minimum size as determined using appropriate table found in the current edition of NFGC General Venting Requirements Follow all safety codes for proper vent sizing and installation requirements including local building codes the National Fuel Gas Code NFPA 54 ANSI Z223 1 2012 NFGC Parts 12 ...

Page 25: ...g these figures A03180 Fig 29 Two Stage Furnace with Single Speed Heat Pump Dual Fuel See notes 1 2 3 4 6 8 9 10 12 13 and 15 on the page following these figures A03178 Fig 30 Two Stage Furnace with Two Speed Heat Pump Dual Fuel See notes 1 2 4 11 14 15 and 16 on the page following these figures A03181 Fig 31 Dual Fuel Thermostat with Two Stage Furnace and Single Speed Heat Pump PG8MVA ...

Page 26: ...Furnace and Two Speed Heat Pump See notes 2 11 and 12 on the page following these figures A03183 Fig 33 Two Stage Thermostat with Two Stage Furnace and Two Speed Air Conditioner See notes 1 and 2 on the page following these figures A03184 Fig 34 Single Stage Thermostat with Two Stage Furnace and Two Speed Air Conditioner PG8MVA ...

Page 27: ...ction If wire is connected dip switch SW1 2 on furnace control should be set in ON position to allow thermostat to control furnace staging 12 Optional connection If wire is connected ACRDJ jumper on furnace control should be removed to allow thermostat to control out door unit staging 13 Furnace must control its own high stage heating operation via furnace control algorithm 14 The RVS Sensing term...

Page 28: ...ent fuel oil residue Is liner and top seal in good condition Is chimney property lined with clay tile liner Crown condition Missing mortar or brick Rebuild crown Yes Yes No No No Reline Yes Repair Yes Yes Yes No No Remove mortar and tile debris Remove metal vent or liner No No No No Yes Yes Suitable Suitable Not Suitable Line chimney with property sized listed flexible metal liner or Type B vent p...

Page 29: ...nal information on condensate drains b Indicates the chimney exceeds the maximum permiss ible size in the tables the chimney should be rebuilt or relined to conform to the requirements of the equip ment being installed and the authority having jurisdic tion A chimney without a clay tile liner which is otherwise in good condition shall be rebuilt to conform to ANSI NFPA 211 or be lined with a UL li...

Page 30: ...aces A field supplied 4 in 102 mm to 5 in 127 mm or 4 in 102 mm to 6 in 152 mm sheet metal increaser fitting is required when 5 in 127 mm or 6 in 152 mm vent connector is used See Fig 36 48 Venting Orientation for approved vent configurations NOTE Vent connector length for connector sizing starts at furnace vent elbow The 4 in 102 mm vent elbow is shipped for upflow configuration and may be rotate...

Page 31: ... 8 9 on the pages following these figures A03209 Fig 37 Upflow Application Vent Elbow Right SEE NOTES 1 2 3 4 5 7 8 9 on the page following these figures A03210 Fig 38 Downflow Application Vent Elbow Up then Left SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03211 Fig 39 Downflow Application Vent Elbow Up PG8MVA ...

Page 32: ...flow Application Vent Elbow Up then Right SEE NOTES 1 2 4 7 8 9 on the page following these figures A03213 Fig 42 Horizontal Left Application Vent Elbow Left SEE NOTES 1 2 4 5 7 8 9 on the page following these figures A03214 Fig 43 Horizontal Left Application Vent Elbow Right then Up SEE NOTES 1 2 4 7 8 9 on the page following these figures A03218 Fig 44 Horizontal Right Application Vent Elbow Rig...

Page 33: ...re required refer to Note 1 above 5 A 4 in 102 mm single wall 26 ga min vent must be used inside furnace casing and when the factory approved Downflow Vent Guard Kit is used external to the furnace See Product Data Sheet for accessory listing 6 Accessory Downflow Vent Guard Kit required in downflow installations with lower vent configuration See Product Data Sheet for accessory listing 7 Chimney A...

Page 34: ...ted mechanical venter START UP ADJUSTMENT AND SAFETY CHECK General FIRE HAZARD Failure to follow this warning could result in personal injury death or property damage This furnace is equipped with manual reset limit switches in the gas control area The switches open and shut off power to the gas valve if a flame rollout or overheating condition occurs in the gas control area DO NOT bypass the swit...

Page 35: ...or Disconnect the thermostat R lead from furnace control board Manually close blower door switch Turn Setup DIP switch SW1 6 ON See Fig 26 52 and 54 NOTE The furnace control allows all components except the gas valve to be run for short period of time This feature helps diagnose a system problem in case of a component failure Component test feature will not operate if any thermostat signal is pres...

Page 36: ...1 7 SW1 8 Blower OFF delay ON or OFF Blower Off Delay time adjustable 90 seconds to 180 seconds See table in Adjustments section or refer to unit wiring diagram g g SW4 3 CFM per ton Adjust OFF Allows additional CFM per ton selections when used with SW 1 5 325 CFM per ton nominal when SW 4 3 ON and SW 1 5 OFF 350 CFM per ton nominal when SW 4 3 OFF and SW 1 5 OFF 370 CFM per ton nominal when SW4 3...

Page 37: ...fter three hours Refer to status code 33 14 IGNITION LOCKOUT Control will auto reset after three hours Refer to status code 34 15 BLOWER MOTOR LOCKOUT Indicates the blower failed to reach 250 RPM or the blower failed to communicate within 30 seconds after being turned ON in two successive heating cycles Control will auto reset after 3 hours Refer to status code 41 21 GAS HEATING LOCKOUT Control wi...

Page 38: ... replace caps that con ceal gas valve regulator adjustment screws Main burner flame should be clear blue almost transparent See Fig 56 d Remove jumpers R to W W1 and R to W2 5 Verify natural gas input rate by clocking meter NOTE Gas valve regulator adjustment caps must be in place for proper input to be clocked a Turn off all other gas appliances and pilots served by the meter b Move setup switch ...

Page 39: ...Mechanical thermostat Set thermostat heat anticipator to match the amp draw of the electrical components in the R W W1 circuit Accurate amp draw readings can be obtained at the wires normally connected to ther mostat subbase terminals R and W The thermostat anticipator should NOT be in the circuit while measur ing current 1 Set SW1 2 switch on furnace control board to ON 2 Remove thermostat from s...

Page 40: ...40 A12057 Fig 54 Wiring Diagram PG8MVA ...

Page 41: ...1 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 97 243 28 129 257 643 76 47 95 237 29 124 248 621 78 46 92 231 30 120 240 600 80 45 90 225 31 116 232 581 82 44 88 220 32 113 225 563 84 43 86 214 33 109 218 545 86 42 84 209 34 106 212 529 88 41 82 205 35 103 206 514 90 40 80 200 36 100 200 500 92 39 78 196 37...

Page 42: ...1 4 43 3 4 1 5 43 3 5 1 5 43 3 6 1 6 925 44 3 5 1 5 43 3 2 1 4 43 3 3 1 4 43 3 4 1 5 950 44 3 4 1 5 44 3 5 1 5 44 3 6 1 6 43 3 2 1 4 975 44 3 2 1 4 44 3 3 1 4 44 3 4 1 5 44 3 5 1 5 1000 45 3 7 1 6 45 3 8 1 7 44 3 2 1 4 44 3 4 1 5 ALTITUDE RANGE FT M AVG GAS HEAT VALUE BTUH CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure H...

Page 43: ...50 47 3 5 1 5 47 3 6 1 6 47 3 8 1 6 46 3 4 1 5 ALTITUDE RANGE FT M AVG GAS HEAT VALUE AT ALTITUDE BTUH CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low USA 7001 to 8000 2134 to 2438 650 44 3 6 1 6 43 3 2 1 4 43 3 4 1 5 43 3 5 1 5 675 44 3 ...

Page 44: ...1 6 44 3 5 1 7 43 3 2 1 5 43 3 3 1 6 925 44 3 2 1 5 44 3 3 1 6 44 3 5 1 6 44 3 6 1 7 950 45 3 7 1 8 45 3 8 1 8 44 3 3 1 6 44 3 4 1 6 975 46 3 7 1 8 46 3 8 1 8 45 3 8 1 8 44 3 2 1 5 1000 46 3 5 1 7 46 3 6 1 7 46 3 8 1 8 45 3 7 1 8 SPECIFIC GRAVITY OF NATURAL GAS ALTITUDE RANGE FT M AVG GAS HEAT VALUE BTUH CU FT 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure H...

Page 45: ...8 850 48 3 7 1 7 48 3 8 1 8 47 3 4 1 6 47 3 5 1 7 ALTITUDE RANGE FT M AVG GAS HEAT VALUE AT ALTITUDE BTUH CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low Orifice No Manifold Pressure High Low USA 7001 to 8000 2134 to 2438 650 44 3 3 1 6 44 3 4 1 6 44 3 5 1 7 43 3 2 1 5 675 45...

Page 46: ...t surface igniter glows when inducer motor is disconnected shut down furnace immediately e Determine reason pressure switch did not function properly and correct condition f Turn off 115 v power to furnace g Reconnect inducer motor wires replace outer door and turn on 115 v power h Blower will run for 90 seconds before beginning the call for heat again i Furnace should ignite normally Checklist 1 ...

Page 47: ...e last 7 Status Codes in order of occurrence 1 To retrieve status codes proceed with the following NOTE NO thermostat signal may be present at control and all blower OFF delays must be completed a Leave 115 v power to furnace turned on b Remove outer access door c Look into blower access door sight glass for current LED status d Remove blower access door NOTE The Status Codes cannot be retrieved b...

Page 48: ...rvice as neces sary 4 Inspect burner compartment before each heating season for rust corrosion soot or excessive dust If necessary have furnace and burner serviced by a qualified service agency 5 Inspect the vent pipe vent system before each heating sea son for rust corrosion water leakage sagging pipes or broken fittings Have vent pipes vent system serviced by a qualified service agency 6 Inspect...

Page 49: ...g and set screw contacts the flat portion of the motor shaft Loosen set screw on blower wheel and reposition if neces sary 12 Spin the blower wheel by hand to verify that the wheel does not rub on the housing 13 Reinstall blower assembly in furnace 14 Reinstall 2 screws securing blower assembly to blower deck 15 Reconnect blower leads to furnace control Refer to fur nace wiring diagram and connect...

Page 50: ...le and crimp tight with crimping tool or crimp by striking with ball peen hammer TIGHTNESS IS VERY IMPORTANT NOTE The materials needed in item 9 can usually be purchased at local hardware stores 1 Attach variable speed reversible drill to the end of spring cable end opposite brush 2 Insert brush end of cable into the outlet opening of cell and slowly rotate with drill DO NOT force cable Gradually ...

Page 51: ... in Fig 54 follow the sequence of operation through the different modes Read and follow the wiring diagram very carefully NOTE If a power interruption occurs during a call for heat W W1 or W W1 and W2 the control will start a 90 second blower only ON period two seconds after power is restored if the thermostat is still calling for gas heating The amber LED light will flash code 12 during the 90 se...

Page 52: ...S 1 1 2 525 X X 2 700 X X X 2 1 2 875 X X X 3 1050 X X X 3 1 2 1225 X X X 4 1400 X X 5 1750 X 6 2100 X X INDICATES AN ALLOWABLE SELECTION 2 1 1 1 2 COOLING TONNAGE VS AIRFLOW CFM 2 A12091 Fig 58 Cooling A C or Continuous Fan CF Airflow Selection Chart The furnace will start up in either low or high heat If the furnace starts up in low heat the control CPU determines the low heat on time from 0 to ...

Page 53: ...ure is available the high heat pressure switch HPS closes and the high heat gas valve solenoid GV HI is energized The blower motor BLWM will transition to high heat airflow five seconds after the furnace control CPU switches from low heat to high heat g Switching from High to Low Heat The furnace control CPU will not switch from high heat to low heat while the thermostat R to W circuit is closed w...

Page 54: ... disconnected to allow thermostat control of the outdoor unit staging See Fig 26 The thermostat closes the R to G and Y1 circuits for low cooling or closes the R to G and Y1 and Y2 circuits for high cooling The R to Y1 circuit starts the outdoor unit on low cooling speed and the R to G and Y1 circuit starts the furnace blower motor BLWM at low cooling airflow which is the true on board CF continuo...

Page 55: ...memory to be automatically used fol lowing a power interruption NOTE If the blower off delay is set to the maximum the adjustable continuous fan feature is locked i e fan speed cannot be changed from its current setting 7 Heat pump See Fig 29 32 for thermostat connections When installed with a heat pump the furnace control auto matically changes the timing sequence to avoid long blower off times d...

Page 56: ...transformer phasing Was there a previous status code other than 11 Is door switch closed Is there 115V going to switch Replace door switch Replace transformer Does the control respond to W W1 W2 Y1 Y Y2 and G 24V thermostat signals Replace furnace control NO NO NO NO Is 24V present at W W1 W2 Y1 Y Y2 or G thermostat terminals on the furnace control NO YES YES Replace furnace control Is there 24V a...

Page 57: ...en Restricted vent Proper vent sizing Excessive wind 34 IGNITION PROVING FAILURE If flame is not sensed during the trial for ignition period the control will repeat the ignition sequence 3 more times before lockout 14 occurs If flame signal is lost during the blower on delay period blower will come on for the selected blower off delay Check the following items first before proceeding to the next s...

Page 58: ...ace the blower control module attached to the blower motor Follow the instructions with the blower control module to make sure the entire blower motor does not need to be replaced Turn power back on Is there 115VAC at PL14 5 and PL14 4 Is there 12 VDC at PL13 7 RED and PL13 1 GREEN Is there 12 VDC at PL3 1 RED and PL3 2 GREEN Replace the furnace control Is there 5 VDC at PL13 16 YELLOW and PL13 1 ...

Page 59: ...RMATION ON PARTS Consult your installing dealer or classified section of your local telephone directory under Heating Equipment or Air Conditioning Contractors and Systems headings for dealer listing by brand name or contact PAYNE HEATING COOLING Consumer Relations Department P O Box 4952 Syracuse New York 13221 4952 1 800 417 2963 Have available the model number series number and serial number lo...

Page 60: ...or change at any time specifications or designs without notice and without incurring obligations Copyright 2013 Payne Heating Cooling Systems 7310 W Morris St Indianapolis IN 46231 Edition Date 08 13 Replaces IM PG8MVA 01 Catalog No IM PG8MVA 02 PG8MVA ...

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