Payne Deluxe PG9MAB Service And Maintenance Instructions
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Payne Deluxe PG9MAB Service And Maintenance Instructions

Deluxe 4-way multipoise fixed capacity condensing gas furnace sizes 040-120, series b
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PG9MAB
Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the
installation.

TABLE OF CONTENTS

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WARNING
!
ELECTRICAL
SHOCK, FIRE, OR EXPLOSION
HAZARD
Failure to follow safety warnings exactly could result in
dangerous operation, personal injury, death, or property
damage.
- - Before servicing, disconnect all electrical power to furnace.
- -When servicing controls, label all wires prior to
disconnecting. Reconnect wires correctly.
- - Verify proper operation after servicing.
For Sizes 040- -120, Series B
PAGE
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SAFETY CONSIDERATIONS

Recognize safety information. This is the safety- -alert symbol
When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and
CAUTION. These words are used with the safety- -alert symbol.
1
DANGER identifies the most serious hazards which will result in
2
severe personal injury or death. WARNING signifies a hazard
2
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which may result in minor personal
3
injury or product and property damage. NOTE is used to highlight
3
suggestions which will result in enhanced installation, reliability, or
operation.
4
6
6
!
6
ELECTRICAL SHOCK, FIRE, OR EXPLOSION
7
HAZARD
7
Failure to follow this warning could result in possible
9
damage to this equipment, personal injury, or death.
10
The ability to properly perform maintenance on this
10
equipment requires certain expertise, mechanical skills,
tools, and equipment. If you do not possess these, do not
12
attempt to perform any maintenance on this equipment
12
other than those procedures recommended in the User's
Manual.
12
12
13
!
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could property damage,
personal injury, or death.
Never store anything on, near, or in contact with the furnace,
such as:
1. Spray or aerosol cans, rags, brooms, dust mops, vacuum
cleaners, or other cleaning tools.
2. Soap powders, bleaches, waxes or other cleaning
compounds, plastic or plastic containers, gasoline, kerosene,
cigarette lighter fluid, dry cleaning fluids, or other volatile
fluids.
3. Paint thinners and other painting compounds, paper bags,
or other paper products.
1
Deluxe 4---Way
Multipoise Fixed Capacity
Condensing Gas Furnace
WARNING
WARNING
.

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Summary of Contents for Payne Deluxe PG9MAB

  • Page 1: Table Of Contents

    PG9MAB Deluxe 4---Way Multipoise Fixed Capacity Condensing Gas Furnace Service and Maintenance Instructions For Sizes 040- -120, Series B SAFETY CONSIDERATIONS NOTE: Read the entire instruction manual before starting the installation. Recognize safety information. This is the safety- -alert symbol When you see this symbol on the furnace and in instructions or TABLE OF CONTENTS manuals, be alert to the potential for personal injury.

  • Page 2: General

    CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in damage to furnace. Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. GENERAL This furnace can be installed as a direct vent (2- -pipe) or non- -direct vent (1- -pipe) condensing gas furnace.

  • Page 3: Care And Maintenance

    person’s hand during grounding will be satisfactorily dis- charged. 3. After touching the chassis, you may proceed to service the control or connecting wires as long as you do nothing that recharges your body with static electricity (for example; DO NOT move or shuffle your feet, DO NOT touch ungroun- ded objects, etc.).

  • Page 4: Blower Motor And Wheel Maintenance

    Table 1 – Furnace Air Filter Table FILTER QUANTITY AND SIZE * FURNACE CASING WIDTH SIDE RETURN BOTTOM RETURN* FILTER TYPE* IN (MM) IN (MM) IN (MM) (1) 16 x 25 x 3/4 (1) 16 x 25 x 3/4 17--- 1/2 (445) 3/4”...
  • Page 5 a. Mark blower wheel location on shaft before disassembly CAUTION to ensure proper reassembly. b. Loosen setscrew holding blower wheel on motor shaft. UNIT DAMAGE HAZARD NOTE: Mark blower mounting arms and blower housing so each arm is positioned at the same hole location during reassembly. Failure to adjust the heating speed may shorten heat exchanger life.

  • Page 6: Cleaning Burners

    Step 3 — Cleaning Burners 15. Reinsert the igniter wires in the slot in the manifold grom- met, dressing the wires to ensure there is no tension on the The following items should be performed by a qualified service igniter itself. (See Fig. 7.) technician.

  • Page 7: Secondary Heat Exchangers

    12. Reverse items 3 through 10 for reassembly. CAUTION NOTE: Be sure burner box gasket is installed between burner box and cell panel. (See Fig. 6.) If gasket is damaged, replace it. UNIT DAMAGE HAZARD NOTE: Inspect combustion- -air intake housing. If foamed gasket was removed, check for any damage.
  • Page 8 TUBE ROUTING Furnace is shipped from factory in upflow configuration. Pressure tube and drain tube routing MUST match the diagrams below. Tube location when used in UPFLOW application Condensate Trap on LEFT Condensate Trap; Factory Installed Side Optional in Blower Shelf (Blower access panel removed) BURNER ENCLOSURE BURNER ENCLOSURE...

  • Page 9: Servicing Hot Surface Igniter

    e. If replacement is required, replace igniter on igniter WARNING bracket and then install assembly into burner box to avoid damage to the igniter. FIRE OR EXPLOSION HAZARD 6. To replace igniter and bracket assembly, reverse items 5a through 5c. Failure to follow this warning could result in personal 7.

  • Page 10: Electrical Controls And Wiring

    Step 7 — Electrical Controls and Wiring IGNITER EXTENDED IGNITER BRACKET HANDLE WARNING BRACKET 9/16˝ ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal IGNITER BRACKET injury or death. 11/16˝ MOUNTING SCREW There may be more than one electrical supply to the unit. Check accessories and cooling unit for additional electrical supplies.
  • Page 11 FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-V WIRING NOTE 2 THERMOSTAT FIVE WIRE FIELD-SUPPLIED TERMINALS DISCONNECT THREE-WIRE HEATING-ONLY 208/230- OR BLOWER DOOR SWITCH 460-V THREE PHASE 208/230-V SINGLE PHASE AUXILIARY 115-V FIELD- J-BOX SUPPLIED NOTE 1 DISCONNECT CONDENSING...

  • Page 12: Winterizing

    CAUTION UNIT AND PROPERTY DAMAGE Failure to follow this caution may result in furnace component failures or water property damage. Operating a unit without a filter or with the blower access door removed could cause damage to the furnace blower motor.

  • Page 13: Component Tests

    A99118 A99119 Fig. 18 - - Inducer Housing Drain Tube Fig. 19 - - Funnel in Drain Tube and Antifreeze Running Through Trap Component Test Component test sequence for single- -stage furnace is as follows: NOTE: The furnace control component test allows all a.

  • Page 14: Component Test

    SERVICE If status code recall is needed, briefly remove then reconnect one main limit wire to display stored status code. On RED LED boards do not remove power or blower door before initiat- ing status code recall. After one status code recall is completed component test will occur. LED CODE STATUS CONTINUOUS OFF - Check for 115VAC at L1 &...
  • Page 15 PRINTED CIRCIUT BOARD PRINTED CIRCIUT BOARD A02271 Fig. 21 - - Wiring Diagram...
  • Page 16 A05107...
  • Page 17 A05096...
  • Page 18 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory, and skills programs is available, using popular video-based formats and materials.

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