ICP T8MPN User Manual

CARBON MONOXIDE POISONING AND FIRE
HAZARD.
Failuretofollowsafetywarningsexactlycould
result in serious injury, death, and/or property
damage.
This furnace is not designed for use in mobile
homes, trailers or recreational vehicles.
!
ELECTRIC SHOCK HAZARD
Failure to follow safety warnings
exactly could result in serious
injury, death, and/or property
damage.
Turn Off All Power Before
Servicing.
!
International Comfort Products, LLC
Lewisburg, TN 37091
* Denotes Brands (C, H, T)
See section 5 for Category I definition.
INSTALLER: Affix these instructions
on or adjacent to the furnace.
CONSUMER: Retain these
instructions for future reference.
Portions of the text and tables are reprinted from NFPA 54 / ANSI Z223.1-- 2002 ã, 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 r epresented only by the standard in its entirety.
Ò
Ò
WARNING
WARNING
WARNING
Printed in U.S.A. 10/19/2004 441 01 2611 (06)
N8MPN&N8MPL
*8MPN&*8MPL
SAFETY REQUIREMENTS
Recognizesafetyinformation. Thisisthesafety--alertsymbol
!
. Whenyouseethissymbolonthefurnaceandininstructionmanualsbealert
to the potential for personal injury.
Understand thesignalwords DANGER, WARNING, orCAUTION. Thesewords areusedwith thesafety--alert symbol. DANGERidentifies the
mostserioushazards,thosethatwillresultinseverepersonalinjuryordeath. WARNINGsignifiesahazardthatcouldresultinpersonalinjuryor
death. CAUTION isusedto identify unsafepractices that couldresult in minorpersonal injury orproduct and property damage. Noteis usedto
highlight suggestions that will result in enhanced installation, reliability, or operation.
Installingandservicingheatingequipmentcanbehazardousduetogas andelectricalcomponents. Onlytrainedandqualifiedpersonnelshould
install, repair, or service heating equipment.
Untrained service personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels at-
tached to or shipped with the furnace and other safety precautions that may apply.
Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code (NFGC) ANSI Z223.1--2002/NFPA
54--2002. InCanada,refertotheNationalStandardofCanada NaturalGasandPropaneInstallationCode(NSCNGPIC)CSAB149.1--00. Wear
safety glasses and work gloves. Have fire extinguisher available during start--up and adjustment procedures and service calls.
These instructions cover minimum requirements and conform to existing national standards and safety codes. In some instances, these
instructionsexceedcertainlocalcodesandordinances,especiallythosethatmaynothavekeptupwithchangingresidentialconstructionpractic-
es. We require these instructions as a minimum for a safe installation.
Table of Contents
1. Safe Installation Requirements 3...............
2. Installation 4..............................
3. Side Venting 8.............................
4. Combustion & Ventilation Air 9................
5. Gas Vent Installation 12.......................
6. Horizontal Venting 14.........................
7. Masonry Chimney Venting 16...................
8. Gas Supply and Piping 19.....................
9. Electrical Wiring 22.........................
10.Ductwork and Filter (Upflow/Horizontal) 23.......
11.Ductwork and Filter (Downflow) 25.............
12. Checks and Adjustments 29...................
13. Furnace Maintenance 33.....................
14. Sequence of Operation & Diagnostics 34.........
Tech Support and Parts 37.......................

ICP T8MPN Specifications

General

Brand	ICP
Model	T8MPN
Category	Furnace
Language	English

Summary

Installation

Location and Clearances

Evaluate existing or choose new furnace location based on minimum clearances and dimensions.

General Installation Requirements

General requirements for furnace installation, including leveling and placement.

Residential Garage Installations

Specific requirements for installing furnaces in residential garages.

Side Venting

Venter Assembly Rotation

Steps to rotate the venter assembly for different installation configurations.

Gas Vent Installation

Category I Venting Requirements

Requirements for Category I furnace vent installations per codes.

Venting and Combustion Air Check

Masonry Chimney Venting

Dedicated venting of a fan assisted furnace into a masonry chimney.

Combined Masonry Chimney Venting

Requirements for venting into a masonry or concrete chimney.

Horizontal Venting

Horizontal Venting with Power Venters

Requirements for maintaining Category I classification with horizontal venting.

Vent Termination

Instructions for venting through non-combustible and combustible walls.

Masonry Chimney Venting

Chimney Inspection

Conforming to ANSI/NFPA 211 and state/local codes for chimney inspection.

Vent Connector Type

Chimney Venting Restrictions

Gas Supply and Piping

Gas Supply Requirements

Requirements for gas type, input, and supply pressure.

Gas Piping Requirements

Requirements for gas supply line installation, materials, and connections.

Gas Piping Final Check

Procedures for leak testing gas supply piping and connections.

Electrical Wiring

Power Supply Wiring

Requirements for furnace electrical wiring and grounding per local codes.

J-Box Relocation

Instructions for relocating the J-box on N8MPN/L and *8MPN/L models.

Thermostat Wiring

Proper thermostat location, mounting, and wiring for furnace operation.

Ductwork and Filter (Upflow/Horizontal)

Duct Connections

Requirements for return air duct connections (bottom or side only).

Filter Usage

Checks and Adjustments

Startup Procedures

Refer to startup procedures in the Users Information Manual.

Gas Supply Pressure Check

Gas supply pressure requirements and setting by suppliers.

Manifold Gas Pressure Adjustment

Procedure for adjusting manifold gas pressure with burners operating.

Pilot Burner Adjustment

Orifice Sizing

High Altitude Operation

Natural Gas Input Rating Check

Changing Orifices

Main Burner Flame Check

Air Temperature Rise Check

Sequence of Operation & Diagnostics

Cooling (Y) Request Sequence

Sequence for cooling requests, including fan operation and delays.

Continuous Fan (G) Request Sequence

Sequence for continuous fan operation without heating or cooling.

Heating (W) Request Sequence

Sequence for heating requests, including inducer, pilot, and burner operation.

Heating Request with Gas Shut Off

Gas Control Valve Diagnostic Codes

Diagnostic Codes Overview

Explanation of flash codes for gas control valve operation and error states.

Model Specifications

General Specifications

Gas Type and Transformer Size

Gas & Ignition Specifications

Limits & Controls Specifications

Blower Data

Wiring Diagrams

Connection Diagram

Field connection diagram for furnace wiring.

Ladder Diagram

Ladder diagram illustrating the electrical control sequence.