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ICP T9MPD User Manual

ICP T9MPD
60 pages
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MULTI POSITION
SINGLE STAGE
GAS FURNACES
Part Number
440 08 2001 02
N9MP1, N9MP2 & *9MPD
“A1 & A2”
Manufactured by:
This manual supports condensing gas furnaces manufactured in 2001
ã 2001 International Comfort Products Corporation (USA)
4/2002

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ICP T9MPD Specifications

General IconGeneral
ModelT9MPD
CategoryFurnace
Fuel TypeNatural Gas
EfficiencyUp to 96% AFUE
Heating Capacity40, 000-120, 000 BTU/h
StagesTwo-Stage
Blower TypeECM
Blower MotorVariable Speed
Warranty10-Year Parts Limited Warranty

Summary

Introduction and Unit Identification

Model Number Identification Guide

Guide for decoding furnace model numbers and their components.

Electrical System

Electrical Supply and Safety

Requirements for proper electrical supply, grounding, and polarity.

Checking Grounding and Polarity

Procedures to verify correct electrical grounding and polarity.

Gas Supply and Combustion

Gas Supply Requirements and Checks

Inlet pressure needs for Natural/L.P. gas and input rate checks.

Burner Operation and High Altitude

Details on inshot burners and high altitude operation needs.

Furnace Controls and Safety Devices

Furnace Theory of Operation

Explanation of the high-efficiency serpentine design and components.

Limit and Pressure Switches

Functions of limit and pressure switches for safety and operation.

Control Systems (ST9160B & SV9541M)

Overview of ST9160B and SV9541M control systems and their operation.

Blower Assembly and Performance

Blower Speed Selection and Operation

Criteria for selecting and adjusting blower speeds for heating/cooling.

Venting and Condensate Management

Vent Piping and Termination

Guidelines for vent piping installation and termination requirements.

Condensate Drain Trap System

Function and proper installation of the condensate drain trap.

Installation Configurations

Upflow Installation Diagrams (Dual Certified)

Diagrams for upflow installations with dual certified models.

Horizontal Installation Diagrams (Dual Certified)

Diagrams for horizontal installations with dual certified models.

Downflow Installation Diagrams (Dual Certified)

Diagrams for downflow installations with dual certified models.

Upflow Installation Diagrams (Single Pipe/Direct Vent)

Diagrams for upflow installations with single pipe or direct vent.

Horizontal Installation Diagrams (Single Pipe/Direct Vent)

Diagrams for horizontal installations with single pipe or direct vent.

Downflow Installation Diagrams (Single Pipe/Direct Vent)

Diagrams for downflow installations with single pipe or direct vent.

Installation Diagrams for A2 Models

Diagrams for upflow, horizontal, and downflow A2 model installations.

Heat Exchanger Maintenance

Secondary Heat Exchanger Procedures

Steps for removing and replacing the secondary heat exchanger.

Primary Heat Exchanger Procedures

Steps for removing and replacing the primary heat exchanger.

Troubleshooting and Diagnostics

Checking Flame Current and Capacitors

Procedures for checking flame current and testing capacitors.

SV9541M System Troubleshooting

Interpreting LED status codes for diagnosing system faults.

Wiring Diagrams

Wiring Diagram (90+ Single Stage Furnaces - A1)

Detailed wiring diagram for A1 models, including ladder and connection diagrams.

Wiring Diagram (90+ Single Stage Furnaces - A2)

Detailed wiring diagram for A2 models, including ladder and connection diagrams.

Technical Specifications

Furnace Specifications (Page 1)

Technical specs for general, gas, and ignition details.

Furnace Specifications (N9MP1 - A2 Models)

Technical data for N9MP1 models with A2 designation.

Furnace Specifications (*9MPD - A2 Models)

Technical data for *9MPD models with A2 designation.

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