International comfort products PHD430 - User Manual

INSTALLATION INSTRUCTIONS
R−410A Single Package Heat Pumps
PHD424−60
1 & 3 Phase
These instructions must be read and understood completely before attempting installation
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and NOTE
The signal words DANGER, WARNING,
CAUTION, and NOTE are used to identify levels
of hazard seriousness. The signal word DANGER
is only used on product labels to signify an
immediate hazard. The signal words WARNING,
CAUTION, and NOTE will be used on product
labels and throughout this manual and other
manual that may apply to the product.
DANGER − Immediate hazards which will result in
severe personal injury or death.
WARNING −Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION − Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE − Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
!
WARNING
Signal Words in Manuals
The signal word WARNING is used throughout
this manual in the following manner:
The signal word CAUTION is used throughout
this manual in the following manner:
!
CAUTION
Signal Words on Product Labeling
Signal words are used in combination with
colors and/or pictures or product labels.
SAFETY CONSIDERATIONS 2.................
RECEIVING AND INSTALLATION 2.............
Step 1 − Check Equipment 2...................
Step 2 − Provide Unit Support 2.................
Step 3 − Provide Clearances 3..................
Step 4 − Rig and Place Unit 3...................
Step 5 − Install Duct Connections 7..............
Step 6 − Provide for Condensate Disposal 8......
Step 7 − Install Electrical Connections 9..........
Wiring Diagram 12.............................
PRE−START−UP 18............................
START−UP 18.................................
Step 1 − Check for Refrigerant Leaks 18..........
Step 2 − Start−Up Cooling Section and Make Adj. 18
Airflow Adjustments 19..........................
Maintenance 22................................
Troubleshooting 30.............................
Start−Up Checklist 33...........................
TABLE OF CONTENTS
!
WARNING
PERSONAL INJURY, AND/OR PROPERTY
DAMAGE HAZARD
Failure to carefully read and follow this warning
could result in equipment malfunction, property
damage, personal injury and/or death.
Installation or repairs made by unqualified
persons could result in equipment malfunction,
property damage, personal injury and/or death.
The information contained in this manual is
intended for use by a qualified service technician
familiar with safety procedures and equipped
with proper tools and test instruments.
Installation must conform with local building
codes and with the national Electrical Code
NFPA70 current edition or Canadian Electrical
Code part 1 CSA C.22.1.
518 01 2003 03
7−19−13

Summary

Safety Labeling and Signal Words

DANGER, WARNING, CAUTION, and NOTE

Defines signal words for hazard severity levels in manuals and on product labels.

Safety Considerations

Electrical Shock Hazard

Warning about potential injury or death from electrical shock during installation/service.

Receiving and Installation

Check Equipment and Inspect Shipment

Installation Clearances and Rigging

Provide Clearances

Specifies minimum service clearances for ventilation and air intake/discharge.

Rig and Place Unit

Rigging Hazards

Warnings about falling units and property damage during rigging operations.

Ductwork Installation

Select and Install Ductwork

Outlines standards and considerations for duct system design and installation.

Unit Configuration and Condensate Disposal

Configuring Units for Downflow Discharge

Instructions for converting units to vertical discharge and electrical safety.

Provide for Condensate Disposal

Electrical Connections

Install Electrical Connections

Instructions for electrical connections, including wiring standards and safety.

High-Voltage Connections

Guidance on making separate electrical service and disconnect switch connections.

Control Voltage and Operation Modes

Control Voltage and Standard Connections

Sequence of Operation

Pre-Start-Up and Start-Up Procedures

Pre-Start-Up Checks

Steps to prepare the unit before initial start-up, including safety and inspections.

Checking Control Operation

Verifies proper operation of thermostat and control system in cooling/heating modes.

Check for Refrigerant Leaks

Refrigerant Charge and Airflow Adjustments

Checking and Adjusting Refrigerant Charge

Details how to evaluate and adjust refrigerant charge using subcooling method.

Airflow Adjustments

Fan Speed Configuration

Defrost Control

Defrost Operation

Quiet Shift Defrost Mode

Component Servicing

Electrical Controls and Wiring Inspection

Refrigerant Circuit Components

Refrigerant System and Troubleshooting

Refrigerant System Overview

Filter Drier and Charging Procedures

Troubleshooting and Defrost Thermostat

Troubleshooting Chart

Symptom-Based Troubleshooting

A chart correlating symptoms with causes and remedies for unit issues.

Start-Up Checklist

Preliminary Information and Pre-Start-Up Verification

Checklist for recording unit details and verifying pre-start-up items.

Start-Up Electrical and Pressure Checks

Checklist items for electrical supply, compressor/fan amps, and refrigerant pressures.

International comfort products PHD430 Specifications