Nortek GHH18LSK4DL 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 GHH18LSK4DL Specifications

General

Phase	1
Refrigerant	R-410A
Cooling Capacity (BTU)	18000
Heating Capacity	18000
Voltage	208/230

Summary

Explanation of Symbols

Hazard Level Definitions

Precautions

Remote Control Operation

Cleaning and Maintenance Procedures

Unit Surface and Air Filter Cleaning

Troubleshooting Common Issues

Wireless Controller and Indoor Unit Malfunctions

Noise Issues and Error Code Reference

Installation Clearances

Indoor and Outdoor Unit Space Requirements

Installation Preparation

Tools and Location Selection Criteria

Electrical Installation Requirements

Safety, Grounding, and Wiring Guidelines

Essential safety measures for electrical connections, grounding, and wiring.

Indoor Unit Installation

Mounting Frame, Piping Hole, and Outlet Routing

Steps for mounting frame, creating holes, and routing outlet pipes.

Pipe Connections, Wiring, and Arrangement

Details on pipe connections, wiring, and arranging pipes/hoses.

Hanging the Indoor Unit on Frame

Securing the indoor unit onto the wall-mounting frame.

Outdoor Unit Installation

Support Structure, Drain Joint, and Unit Securing

Steps for installing support, drain joint, and securing the outdoor unit.

Pipe and Wire Connections

Connecting refrigerant pipes and electric wires between units.

Pipe Arrangement and Drainage Slope

Refrigerant Line Handling

Vacuum Pumping and Leak Detection

Procedures for evacuating refrigerant lines and detecting leaks.

Post-Installation Verification

Installation Checklist Items

Items to verify after installation for safety and proper function.

System Testing and Configuration

Test Operation and Pipe Specifications

Connection Pipe Configuration

Additional Refrigerant Charging Guidelines

Pipe Expansion Method

Pipe Preparation and Expansion

Techniques for preparing and expanding pipes, and inspecting the work.

Optional Wired Controller Installation

Signal Line Connection, Mounting, and Wiring

Disassembly and Error Handling

Optional Wired Controller Error Codes

Error Code Reference Guide

A comprehensive list of error codes and their meanings.