York P9MP Series User Manual

FOR YOUR SAFETY
Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance
.
WARNING: Improper installation, adjustment, al-
teration, service or maintenance can cause injury
or property damage. Refer to this manual. For as-
sistance or additional information, consult a quali-
fied installer, service agency or the gas supplier.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Open windows.
• Do not touch any electrical switch;
do not use any phone in your building.
• Extinguish any open flame.
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions.
• If you cannot reach your gas supplier, call the
fire department.
IAMON
80
D
D
UPFLOW
®
MULTI-POSITION GAS-FIRED FURNACES
INDUCED-DRAFT STYLE G
INSTALLATION INSTRUCTION
Supersedes: 650.69-N3Y (1294)
650.69-N3Y (1095)
035-13581
CAUTION
THIS PRODUCT MUST BE INSTALLED IN STRICT COM-
PLIANCE WITH THE ENCLOSED INSTALLATION IN-
STRUCTIONS AND ANY APPLICABLE LOCAL, STATE, AND
NATIONAL CODES INCLUDING BUT NOT LIMITED TO,
BUILDING, ELECTRICAL AND MECHANICAL
CODES.
WARNING
IMPROPER INSTALLATION MAY CREATE A CONDITION
WHERE THE OPERATION OF THE PRODUCT COULD
CAUSE PERSONAL INJURY OR PROPERTY DAMAGE.
IAMON
80
D
D
HORIZONTAL (LEFT)
IAMON
80
D
D
HORIZONTAL (RIGHT)
MODELS: P2MP (U.S.) - STYLE G
P9MP (Canada) - STYLE E
(Upflow/Horizontal)
32-112 MBH OUTPUT
IAMON
80
D
D
DOWNFLOW
MODELS P2DP -
STYLES C, D
(Downflow)
48-104 MBH OUTPUT
DIAMOND SERIES FURNACES

York P9MP Series Specifications

General

Model	P9MP Series
Efficiency Rating	Up to 96% AFUE
Heating Capacity	40, 000 to 120, 000 BTU/h
Blower Motor	ECM
Heat Exchanger Material	Stainless Steel
Warranty	10-Year Parts Limited Warranty
Heat Exchanger Warranty	Lifetime Limited Warranty
Blower Type	Variable-speed
Fuel Type	Natural Gas

Summary

Safety Precautions and Warnings

Gas Leak and Flammable Liquid Safety

Critical safety warnings, including actions for gas detection and handling flammable materials.

General Information and Specifications

Unit Overview and Inspection

Description, inspection, nomenclature, and dimensions of the furnace.

Installation Limitations and Ratings

Guidance on installation locations, clearances, and technical specifications.

Unit Installation Procedures

Combustion Air, Venting, and Ductwork

Requirements for combustion air, vent system, and ductwork installation.

Gas Piping and Electrical Connections

Instructions for gas piping, electrical power, and control wiring.

System Adjustments and Operation

Start-Up, Safety Controls, and Ignition

Procedures for initial startup, safety controls, and ignition system checks.

Gas Pressure and Temperature Adjustments

Verifying gas input, adjusting manifold pressure, and setting temperature rise.

Fan Settings and Accessory Connections

Adjusting fan-off settings and connecting accessories.

Maintenance and Troubleshooting

Operation Sequence and Maintenance Tasks

Furnace operation, filter checks, lubrication, and blower care.

Component Cleaning and Diagnostics

Procedures for cleaning burners, heat exchangers, and control diagnostics.

Troubleshooting Flowcharts

Diagnostic flowcharts for fan, cooling, ignition, and burner issues.

Wiring Diagrams

Upflow and Downflow Schematics

Detailed electrical wiring diagrams for furnace models.