International comfort products PGD3 Series User Manual

Printed in U.S.A.
509 01 3401 01 01--28--08
PACKAGED GAS/ELECTRIC UNIT
Installation Instructions
PGD3 Series
International Comfort Products, LLC
Lewisburg, TN. 37091
TABLE OF CONTENTS
Page
SAFE INSTALLATION REQUIREMENTS 2........
INTRODUCTION 2.............................
RECEIVING AND INSTALLATION 3...............
Check Equipment 3...........................
Provide Unit Support 3........................
Field Fabricate Ductwork 3....................
Dimensions 4 -- 5.............................
Provide Clearances 6.........................
Rig and Place Unit 6 -- 7.......................
Connect Condensate Drain 7..................
Install Flue Hood 7 -- 8........................
Install Gas Piping 8 -- 9........................
Install Duct Connections 9 -- 10................
Install Electrical Connections 10 -- 14...........
PRE--START--UP 15............................
START--UP 15..................................
Check for Refrigerant Leaks 15.................
Start--Up Heating & Make Adjustments 15 -- 16..
Gas Input 16...............................
Measure Gas Flow 16 -- 17..................
Airflow and Temperature Rise 18..............
LED Monitor 18.............................
Sequence of Operation 18...................
Start--Up Cooling & Make Adjustments 19.......
R--410A Charge 19 -- 20.....................
Airflow 21..................................
Sequence of Operation 21...................
Page
MAINTENANCE 21 -- 22........................
Air Filter 22..................................
Indoor Blower and Motor 22....................
Induced Draft (Combustion Air) Blower 22 -- 23..
Flue Gas Passageways 23....................
Limit Switch 23...............................
Burner Ignition 23............................
Main Burners 23..............................
Outdoor & Indoor Coil, Condensate Drain Pan 23.
Outdoor Fan 24..............................
Electrical Controls and Wiring 24 -- 25..........
Refrigeration Circuit 25........................
Gas Input 25.................................
Evaporator Airflow 25.........................
R--410A Items 25 -- 26........................
AIRFLOW CHART 27 -- 29......................
COOLING TROUBLESHOOTING GUIDE 30.......
HEATING TROUBLESHOOTING GUIDE 31.......
LED ERROR CODES GUIDE 32..................
R--410A QUICK REFEREN CE GUIDE 33..........
CHECKLIST FORM 34..........................

International comfort products PGD3 Series Specifications

General

Brand	International comfort products
Model	PGD3 Series
Category	Air Conditioner
Language	English

Summary

SAFE INSTALLATION REQUIREMENTS

INTRODUCTION

Overview of the unit's nature and installation context.

RECEIVING AND INSTALLATION

STEP 1 - Check Equipment

STEP 2 - Provide Unit Support

Guidelines for securing the unit base, including roof curbs and slab mounts.

STEP 4 - Provide Clearances

Minimum operating and service clearances required around the unit for safety.

STEP 5 - Rig and Place Unit

Procedures for safely lifting, moving, and positioning the unit.

STEP 8 - Install Gas Piping

Procedures for connecting the gas supply line to the unit's gas valve.

STEP 9 - Install Duct Connections

STEP 10 Install Electrical Connections

Detailed instructions for making high and low voltage electrical connections.

High Voltage Connections

Specific guidance for connecting the unit's main power supply.

PRE-STARTUP

STEP 1 - Check for refrigerant leaks

Procedures for identifying and repairing leaks in the refrigerant system.

STEP 2 - Start-up heating and make adjustments

Steps to initiate heating operation and make initial adjustments.

Check Heating Control

Verifying the proper operation of the heating control system.

Check Gas Input

Procedures to verify and adjust the gas input rate for heating.

Adjust Gas Input

Steps to adjust gas input pressure and flow for optimal performance.

Measure Gas Flow (Natural Gas Units)

Measure Gas Flow (Propane Units)

Check Burner Flame

Limit Switches

STEP 3 - Start-up cooling and make adjustments

Procedures for initiating cooling operation and making adjustments.

Check Cooling Control Operation

Checking and Adjusting Refrigerant Charge

Steps for verifying and adjusting the refrigerant charge for cooling.

MAINTENANCE

Indoor Airflow and Airflow Adjustments

Evaporator (Indoor) Motor and Blower

Outdoor Coil, Indoor Coil, and Condensate Drain Pan

Outdoor Fan

Electrical Controls and Wiring

Refrigeration Circuit

Pressure Switches

Copeland Scroll Compressor (R-410A Refrigerant)

Information on the R-410A compatible scroll compressor.

R-410A Refrigerant Charging

TROUBLESHOOTING

Troubleshooting Guide - Cooling

Table listing common cooling system symptoms, causes, and remedies.

Troubleshooting Guide-Heating

Table detailing heating system issues, causes, and solutions.

Troubleshooting Guide-LED Error Codes

Guide to interpreting LED error codes for unit diagnostics.