Carrier 42QPCT24C-708F - User Manual

Hi Wall Split Air Conditioners
53QPCT 18C-24C Cool Only
53QPCT 18H-24H
Heat Pump
Rev. (0) - 2013
220-240V ~ 50Hz 1Ph
R
2
2
Quality
Management System
ISO 9001 : 2008
Certicate No.: QS-5519HH
Enviromental
Management System
ISO 14001 : 2004
Certicate No : 12 104 30334 TMS
Safety
Management System
BS OHSAS 18001 : 2007
Certicate No : 12 116 30334 TMS
03502767
Carrier is committed to continuously improving its products according to national and international standards
to ensure the highest quality and reliability standards, and to meet market regulations and requirements.
All specications subject to change without prior notice according to Carrier policy of continuous development.
INSTALLATION MANUAL

Carrier 42QPCT24C-708F Specifications

General

Brand	Carrier
Model	42QPCT24C-708F
Category	Air Conditioner
Language	English

Summary

Precautions Before Installation

Safety Precautions

Important safety measures to be followed before installation.

Indoor Unit Installation Location

Indoor Unit Location Considerations

Guidelines for choosing the optimal indoor unit placement.

Indoor Unit Installation Location (Continued)

Further Indoor Unit Placement Considerations

Additional factors for selecting the optimal indoor unit placement.

Outdoor Unit Installation Location

Outdoor Unit Location Considerations

Guidelines for choosing the optimal outdoor unit placement.

Outdoor Unit Installation Location (Continued)

Further Outdoor Unit Placement Considerations

Additional factors for selecting the optimal outdoor unit placement.

Outdoor Unit Minimum Clearances (Single Unit)

Clearance: Obstacle at Front (Air Outlet)

Minimum clearance required at the front for airflow.

Clearance: Front & Back Obstacles

Clearance requirements considering front and back obstacles.

Clearance: Front & Top Obstacles

Clearance requirements considering front and top obstacles.

Clearance: Obstacle at Back (Air Inlet)

Minimum clearance required at the back for airflow.

Clearance: Back & Top Obstacles

Clearance requirements considering back and top obstacles.

Clearance: Back & Side Obstacles

Clearance requirements considering back and side obstacles.

Outdoor Unit Minimum Clearances (Multiple Units)

Clearance: Front Obstacle (Multiple Units)

Minimum clearance for multiple units at the front.

Clearance: Front & Back Obstacles (Multiple Units)

Clearance for multiple units considering front and back obstacles.

Clearance: Back Obstacle (Multiple Units)

Minimum clearance for multiple units at the back.

Clearance: Back & Side Obstacles (Multiple Units)

Clearance for multiple units considering back and side obstacles.

Installation Chart

Installing Outdoor Unit

Visual guide for installing the outdoor unit.

Drilling Wall Hole

Visual guide for drilling the wall hole for piping.

Installing Indoor Unit

Visual guide for installing the indoor unit.

Refrigerant Pipes Flaring

Visual guide for flaring refrigerant pipes.

Connecting Refrigerant Piping

Visual guide for connecting refrigerant piping.

Connecting Electrical Wiring

Visual guide for connecting electrical wiring.

Finishing Outer Pipe Covering

Visual guide for finishing pipe covering.

Refrigerant Leak Test

Visual guide for performing a refrigerant leak test.

Opening Service Valves

Visual guide for opening service valves.

Finishing Installation Steps

Visual guide for final installation steps.

Test Running Procedure

Visual guide for test running the unit.

Indoor Unit Installation

Indoor Unit Preparation Steps

Steps to prepare the indoor unit before mounting.

Indoor Unit Installation Steps

Selecting Wall Hole Location

Guidance on selecting the appropriate wall hole location.

Wall Hole Making Precautions

Precautions to observe when making the wall hole.

Cutting Wall Sleeve

Instructions for cutting the wall sleeve.

Mounting Wall Sleeve

Guidance on mounting the sleeve into the wall hole.

Installing Wall Hang Bracket

Instructions for installing the wall hang bracket.

Indoor Unit Installation Connections

Indoor Unit Electrical Wiring

Steps for performing electrical wiring for the indoor unit.

Forming Piping, Drain Hose, and Cables

Steps to bundle refrigerant piping, drain hose, and cables.

Indoor Unit Mounting

Passing Piping Through Wall Sleeve

Mounting Indoor Unit Body

Outdoor Unit Installation

Outdoor Unit Preparation Steps

Outdoor Unit Wall Installation Steps

Connecting Refrigerant Piping Lines

Refrigerant Connections Chart

Refrigerant Piping from Indoor Unit

Indoor Unit Piping Outlet Locations

Refrigerant Piping Instructions

Connecting Refrigerant Piping Lines

Refrigerant Piping Instructions (Continued)

Further Refrigerant Piping Instructions

Refrigerant Piping Line Usage

Use of Refrigerant Piping Lines

Outdoor Unit Below Indoor Unit Piping

Outdoor Unit Above Indoor Unit Piping

Same Level Unit Piping

Refrigerant Piping Diameters and Charge

Piping Diameters Up To 20 Meter

Refrigerant Charge Calculation

Refrigerant Connection Details

Outdoor Unit Refrigerant Connections

Indoor Unit Refrigerant Connections

Piping Line Connection Description

Cutting and Flaring Tools

Refrigerant Piping Preparation Steps

Preparing Refrigerant Piping Lines

Cutting Refrigerant Piping

Removing Pipe Burrs

Mounting Flare Nuts on Piping

Flaring the Piping

Refrigerant Piping Preparation (Continued)

Flaring the Piping (Continued)

Mounting Flare Nuts (Other Ends)

Removing Indoor Unit Plastic Nuts

Removing Outdoor Unit Plastic Nuts

Connecting Refrigerant Piping to Units

Connecting Piping to Indoor Unit

Connecting Piping to Outdoor Unit

Air Purging Procedures

Air Purging Introduction

Air Purging with Outdoor Refrigerant

Air Purging with Outdoor Refrigerant (Continued)

Air Purging Procedure (Outdoor Refrigerant)

Air Purging with Vacuum Pump

Air Purging with Vacuum Pump

Air purging procedure using a vacuum pump.

Vacuum Pump Air Purging Procedure

Pumping Down Procedure

Pumping Down for Re-installation

Pumping Down Steps

Refrigerant Leak Check and Insulation

Refrigerant Leak Check Methods

Insulating Refrigerant Piping Lines

Condensate Drain Line Connection

Condensate Drain Line Size

Indoor Unit Drain Line Outlet Locations

Condensate Drain Line Instructions

Connecting Condensate Drain Line

Detailed instructions for connecting the condensate drain line.

Electrical Wiring - Power Supply to Breaker

Wiring Power Supply to Circuit Breaker

Operating Voltage Requirements

Circuit Breaker Installation and Use

Electrical Cable Specifications

General Electrical Wiring Practices

Electrical Wiring - Unit Connections

Wiring Indoor, Outdoor Units, and Breaker

Field Electrical Connection Cables

General Electrical Connection Guidelines

Connecting Electrical Wiring to Units

Wiring to Outdoor Unit

Wiring to Indoor Unit

Electrical Wiring Diagrams

Cool Only System Wiring

Heat Pump System Wiring

Test Running - Cooling

Cooling Test Running Procedure

Test Running - Heating

Heating Test Running Procedure

After Installation Checklist

Indoor Unit Checklist

Outdoor Unit Checklist

Refrigerant Piping Checklist

Condensate Drain Line Checklist

Electrical Connections Checklist

Post-Installation Checklist (Continued)

Finishing Installation Checklist

Test Running Checklist

Customer Guidance Checklist

Self-Diagnostic Function

Self-Diagnostic Function Explanation