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Iceco 80PJ SERIES User Manual

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92-24161-31-07
SUPERSEDES 92-24161-31-06
INSTALLATION INSTRUCTIONS
FOR UPFLOW, UPFLOW/HORIZONTAL,
AND DOWNFLOW INDUCED DRAFT GAS FURNACES
80PJ AND 80LJ SERIES
PROPOSITION 65: THIS PRODUCT CONTAINS CHEMICALS,
INCLUDING CARBON MONOXIDE, KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHER
REPRODUCTIVE HARM.
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Iceco 80PJ SERIES Specifications

General IconGeneral
Blower MotorMulti-speed
BTU80, 000 BTU
Fuel TypeNatural Gas or Propane
Efficiency80%
Vent Diameter4 inches

Summary

Installation Instructions

Safety Symbol Recognition

Symbol indicates important safety information.

Gas Leak Response Procedure

Steps to take if gas odor is detected.

Installation Checklist

Gas Supply Checks

Ensures proper gas supply and connections.

Electrical Checks

Verifies correct electrical connections and voltage.

Venting and Combustion Air Checks

Confirms correct venting and air supply.

Furnace Installation Checks

Verifies clearances, air temp rise, and ducting.

Important Installation Notes

Pre-Operation Guidance

Emphasizes reading all instructions before operation.

Safety Information and Warnings

Gas Type, Location & Garage Safety

Specifies approved gas, location, and garage safety.

Combustion Air, Venting & Filters

Ensures adequate air, proper venting, and filter use.

Temporary Installation Requirements

Conditions for temporary installation during construction.

General Information and Location

Furnace Specifications and Codes

Details furnace certification and applicable codes.

Location Requirements

Guidelines for selecting a suitable furnace location.

Clearance to Combustible Material

Upflow/Horizontal Dimensions

Diagram showing clearances for upflow/horizontal models.

Downflow Dimensions

Downflow Model Clearances

Diagram showing clearances for downflow models.

Clearance, Accessibility, and Ducting

Combustible Material Restrictions

Warnings about placing materials near the furnace.

Ducting and Airflow

Importance of proper duct sizing and airflow.

Furnace Installation Configurations

Upflow Unit Installation

Steps for installing upflow furnace units.

Downflow Unit Installation

Steps for installing downflow furnace units.

Horizontal Unit Installation

Steps for installing horizontal furnace units.

Combustion, Ventilation, and Safety Switches

Combustion Air Requirements

Ensuring adequate fresh air for combustion.

Furnace Safety Switch Functions

Explains overtemperature, flame roll-out, and pressure switches.

Confined Space Combustion Air

Unconfined Space Air Requirements

Specifies air volume for unconfined spaces.

Confined Space Air Requirements

Details air openings for confined spaces.

Outdoor Air Opening Methods

Method 1: Two Openings

Requirements for two permanent air openings.

Method 2: Single Opening

Requirements for a single air opening.

Venting General Information

Venting Requirements and Warnings

General venting rules and warnings about flue devices.

Draft Inducer Safety

Precautions for draft inducer vent pipe attachment.

Furnace Category and Venting Notes

Furnace type and important venting application notes.

Vertical Venting Procedures

Vertical Venting Requirements

Guidelines for installing Type 'B-1' vertical vents.

Vertical Vent System Guidelines

Rules for terminating vertical gas vents.

Horizontal Venting and Existing Systems

Horizontal Venting and Power Venting

Methods for horizontal venting and power venters.

Existing Vent System Retrofit

Instructions for inspecting and testing existing vent systems.

Gas Supply and Piping

Gas Supply and Conversion

Warnings about gas type and conversion kits.

Gas Piping Installation

Proper practices for installing gas piping.

Gas Pressure and LP Conversion

Gas Pressure Requirements

Max/min pressures and leak testing precautions.

LP Conversion and NOx Models

Steps for LP conversion and NOx insert removal.

Setting Gas Pressure

Gas Pressure Measurement

Procedure for measuring and setting gas pressure.

Natural Gas Pipe Capacity

Table for natural gas pipe sizing based on capacity.

LP Gas Pipe Capacity

Table for LP gas pipe sizing based on capacity.

Furnace Input Adjustment

Checking Furnace Input

Procedure to verify furnace input rate.

Orifice Ordering and Sizing

Information on selecting and ordering furnace orifices.

Electrical Wiring and Thermostat

Electrical Wiring Safety

Safety precautions for electrical connections.

Thermostat Installation and Settings

Guidelines for thermostat selection and setup.

Electrical Controls and Furnace Twinning

Field Installed Accessories

Notes on electronic air cleaners and humidifiers.

Furnace Twinning Installation

Procedures for connecting multiple furnaces.

Control Board Twinning Diagrams

Single Stage Twinning Diagram

Wiring diagram for single-stage twinning.

Control Board Twinning Diagrams

Two-Stage Twinning Diagram

Wiring diagram for two-stage twinning.

High Altitude Installation

Natural Gas Orifice Sizing

Tables for adjusting orifice size based on altitude.

Canadian Derate Method

Alternative derating method for Canada.

Supplemental Orifice Size Chart

Orifice Sizing Calculations

Guidance on calculating orifice sizes for altitude.

LP Gas Altitude Derate

LP Gas Orifice Selection

Orifice sizes for LP gas at different altitudes.

Canadian High-Altitude Derate

Alternative derating method for Canada.

Start-Up Procedure

Lighting Instructions

Steps for safely starting the furnace.

Sequence of Operation

Describes the furnace's automatic start-up sequence.

Control Sequences and Blower Timings

Ignition Failure Sequence

Steps taken when the furnace fails to ignite.

Setting Blower Timings

How to set blower off-delay timings.

Air Flow and Temperature Rise

Changing Blower Speed

Adjusting blower speed for proper airflow.

Temperature Rise Measurement

Procedure for checking air temperature rise.

Blower Performance Data

80PJ Upflow/Horizontal Performance

CFM delivery data for upflow/horizontal models.

80LJ Downflow Performance

CFM delivery data for downflow models.

Furnace Safety Features

Limit Control

Explains the high limit control and its causes.

Flame Roll-Out and Pressure Switches

Describes safety switches for roll-out and vent pressure.

Maintenance Procedures

Blower Assembly Removal

Steps for removing the downflow blower assembly.

Motor Lubrication

Notes on motor lubrication and periodic cleaning.

Filter Maintenance and Installation

Filter Importance and Sizing

Importance of filters and filter size chart.

Filter Installation Locations

Diagrams showing filter placement for return air.

System Operation and Annual Inspection

Customer Operation Advice

Tips for efficient and safe system operation.

Annual Inspection Recommendations

Guidance on periodic furnace inspection and cleaning.

Troubleshooting Flowchart

Integrated Furnace Control Troubleshooting

Step-by-step guide for diagnosing IFC issues.

Electrical Wiring Diagrams

UT Electronic Controls Wiring Diagram

Wiring schematic for UT controls.

Electrical Wiring Diagrams

Invensys Climate Controls Wiring Diagram

Wiring schematic for Invensys controls.

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