Heatcraft H-IM-QRC User Manual

H-IM-QRC April 2018 Part No. 29702401
Quick Response
Controller
Installation and
Operation Manual
Table of Contents
Heatcraft Quick Response Controller Board Layout ..................................... 2
Installation Tips .......................................................................................... 3
Refrigerant Line Brazing ............................................................................ 4
Power Supply............................................................................................. 4
Wiring ........................................................................................................ 4
Multiple Evaporator Configuration .............................................................. 5
Box Temperature Control Settings .............................................................. 6
Leak Testing .............................................................................................. 6
Start-Up Operation .................................................................................. 7-8
Operating Mode Display ............................................................................. 8
Programming and Reviewing Settings and Changes .............................9-12
Program Review Button
Select Button
Enter Button
Monitoring Items .................................................................................11-12
Monitor Button
Force Defrost Button
Reset Time Button
Force Service Button
Clear/Test Button
Locking The Heatcraft Quick Response Controller Board .......................... 12
Status Indicator LED ................................................................................ 13
Pumpdown .............................................................................................. 13
Defrost ...............................................................................................14-15
Alarms .................................................................................................... 15
Error Indicator .......................................................................................... 16
Checking Operation of Expansion Valve ............................................... 17-18
Power Failures ......................................................................................... 18
Spare Sensor Terminals ........................................................................... 18
Checking Sensors .................................................................................... 18
Smart Controller .................................................................................19-20
Sensor Resistance/Temperature Table ...................................................... 21
System Defaults ...................................................................................... 21
Back Compatibility ................................................................................... 22
InterLink Replacement Parts List .............................................................. 23
Operational Limits .................................................................................... 23
Expansion Valve Capacity ......................................................................... 24
Diagnostics ......................................................................................... 24-26
Wiring Diagrams ................................................................................. 27-32
Preventive Maintenance ........................................................................... 33
Service Record ................................................................................... 34-35
Replaces H-IM-QRC (08/17)

Heatcraft H-IM-QRC Specifications

General

Brand	Heatcraft
Model	H-IM-QRC
Category	Controller
Language	English

Summary

Heatcraft Quick Response Controller Board Layout

Installation

Installation Tips and Procedures

Configuration

Multiple Evaporator Setup

Steps to configure multiple evaporators as master/slave systems.

Start-Up Operation

Initial Power On and Mode Displays

Behavior upon initial power application and interpretation of operating mode displays.

Programming and Setting Changes

Parameter Review and Adjustment

Lists and explains parameters accessible via the PROGRAM REVIEW button.

Defrost, Refrigerant, and Temperature Settings

Controller Operations and Monitoring

Force Defrost, Reset Time, and Service Mode

Controller Functions and Security

Locking Controller Settings

Procedure to lock and unlock controller settings to prevent unauthorized changes.

Status Indicators and Pumpdown

Error Code and Status Indicators

List and explanation of error codes and other status indicators like board lock.

Pumpdown Cycle Operation

How the system performs pumpdown at the end of a cooling cycle or periodically.

Service Mode and Defrost Control

Service Mode and Defrost Timing

Demand Defrost and Schedule Reset

Defrost Modes and Alarms

Electric and Air Defrost Modes

Alarm Conditions and Clearing

Types of alarms, their codes, and methods for clearing them.

Error Indicator LED

Error Code Explanations

Detailed list and explanation of error codes (E1-E9) for system faults.

Expansion Valve Operation Check

EEV Closing and Position Verification

EEV Motor Winding Test

Power Failures and Sensor Checks

Power Failure Response and Sensor Testing

Controller response to power failures and methods for checking sensor performance.

Smart Controller Integration

Multi-Evaporator Smart Control

Smart Controller Troubleshooting

Communication Error E9 Diagnosis

Troubleshooting guide for E9 communication errors between controller units.

Service Mode Procedures

Troubleshooting Guide

LED Display and Compressor Issues

Diagnosing issues when the LED is not lit or compressor won't run.

Error Code and Superheat Troubleshooting

Step-by-step diagnosis for error codes and low superheat conditions.

Communication and Voltage Troubleshooting

Troubleshooting E9 errors and LED display voltage issues.

System Operation and Service Mode

Diagnosing box temperature issues and procedures for Service Mode.

Wiring Diagrams

Unit Wiring Schematics

Maintenance and Service Records

Preventive Maintenance Guidelines

Pre-Operation Checks and Start-Up

Steps to perform before placing the system into operation, including electrical and pressure checks.

Initial Start-Up Checklist