Nortek GHH12LSK4DL User Manual

NORTEK GLOBAL HVAC, LLC
• Please read this owner’s manual carefully before operation and retain for future reference.
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Owner’s Manual
Installation Instructions
Split System Heat Pumps
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Nortek GHH12LSK4DL Specifications

General

Brand	Nortek
Model	GHH12LSK4DL
Category	Heat Pump
Language	English

Summary

Safety Precautions

Operation and Maintenance Safety

Safety guidelines for operating and maintaining the heat pump.

Installation Attachment Safety

Safety precautions for attaching and installing the unit.

Working Temperature Range

Specifies the operational temperature limits for the heat pump.

Troubleshooting Guide

General Analysis and Wireless Controller Issues

Basic troubleshooting steps and remote control problems.

Common Unit Malfunctions

Solutions for issues like unit not running or poor performance.

Odor and Erratic Operation

Addresses odor issues and erratic heat pump behavior.

Noise Troubleshooting

Installation Clearances

Unit Placement Space Requirements

Specifies minimum clearances around indoor and outdoor units.

Installation Preparations

Required Installation Tools

Installation Location Selection

Criteria for choosing suitable installation sites.

Electrical Requirements and Grounding

Electrical Safety Precautions

Safety guidelines for electrical connections during installation.

Grounding Requirements

Instructions and requirements for proper unit grounding.

System Preparation Procedures

Vacuum Pumping

Step-by-step procedure for vacuum pumping the system.

Leak Detection Methods

Methods for detecting refrigerant leaks in the system.

Post-Installation Checks

Verification Checklist

Items to check after the installation is complete.

Operational Testing and Pipe Configuration

Test Operation Procedures

Steps for performing test operation and client explanation.

Connection Pipe Specifications and Refrigerant Charging

Pipe length limits and additional refrigerant charging guidelines.

Pipe Expansion

Pipe Expansion Procedure

Detailed steps for proper pipe expansion to prevent leaks.

Optional Wired Controller

Display Overview and Icons

LCD Display Function Instructions

Wired Controller Button Functions

Wired Controller Installation and Connection

Wired Controller Mounting and Installation Steps

Error Display on LCD

Error Code Descriptions

A comprehensive list of error codes and their meanings.