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42PHW / 42PHQ
42PHQ...K
INSTALLATION MANUAL

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Summarization of Contents

General Information
Unit Installation
Instructions for installing the unit, safety, and general advice.
Choosing the Installation Site
Guidance on selecting an appropriate location for the indoor unit.
Installation: Wall Mounting
Installing the Wall Hanging Bracket
Steps for securely mounting the wall bracket for the indoor unit.
Marking the Wall Penetration
How to mark and drill holes in the wall for pipe passage.
Installation: Piping and Unit Attachment
Routing Drain Hose and Refrigerant Piping
Guides on managing drain hoses and refrigerant pipes.
Installing the Indoor Unit Body
Steps to attach the indoor unit to the wall hanging bracket.
Refrigerant Connections
Flaring Tubing Ends
Procedure for preparing copper tube ends for flare connections.
Connecting to the Unit
Instructions for connecting refrigerant lines to the unit, including torque.
Pre-Operation Checks
Additional Screw Usage
Method to secure the unit to the wall for better stability.
Remote Control Bracket Installation
Steps for mounting the remote control holder.
Electrical Connections
Indoor Unit Wiring
Wiring diagrams and instructions for connecting the indoor unit to power.
Heat Pump Wiring
Wiring diagrams and instructions for heat pump models.
Minimum Connection Wire Size
Table specifying minimum wire gauges for electrical connections.
Operation, Settings, and Accessories
Operating Test Procedure
Procedure to verify unit functionality after installation.
Address Switch Settings
How to set unit addresses for multi-unit installations.
Guide for the Owner
Advice for the end-user on using the unit and maintenance.
Available Accessories
List of optional or replacement filters and their part numbers.

Table of Contents