Carrier 42XQ Series User Manual

1
42XQ : Cooling only direct expansion Fan Coil Unit (Wireless Remote Control)
42XQA : Cooling only direct expansion Fan Coil Unit (Wired Remote Control)
INSTALLATION AND
START-UP INSTRUCTIONS
UNDERCEILING/CONSOLE FAN COIL UNIT
42XQ/XQA
50/60Hz
®
Carrier
International
Sdn. Bhd.
Malaysia
42XQ 42XQA
MODEL W (mm) D (mm) H (mm) Weight (kg)
42XQ/XQA 020/004* 23
42XQ/XQA 025/006*
1020
23.5
42XQ/XQA 030/007*/008* 26.1
42XQ/XQA 040/010*
1200
625 232 27.2
42XQ/XQA 050/012* 37.6
42XQ/XQA 060/014*
1650
40.1
*Model code for Thailand market only (50Hz)

Carrier 42XQ Series Specifications

General

Brand	Carrier
Model	42XQ Series
Category	Air Conditioner
Language	English

Summary

INSTALLATION

Basic Installation Procedures

Step-by-step procedures for indoor, outdoor, and interconnection units.

Installing the Indoor Units

Draining of the Condensate

Drainage Guarantee

INTERCONNECTION PIPES

Evacuating the Interconnection Pipes

Procedures for pipe evacuation and refrigerant pre-load information.

Adjusting the Gas Load

Measuring and adjusting refrigerant load using superheat calculation.

Flanging Procedure

ELECTRICAL INSTALLATION AND DIAGRAMS

Electrical Installation Instructions

Guidelines for power supply and control cables, including distance and gauge.

Electrical Diagram for Indoor Unit (220-240V output signal to compressor)

Electrical schematic for 220-240V indoor units with compressor signal.

Electrical Diagram for Indoor Unit (24V output signal to compressor)

Electrical schematic for 24V indoor units with compressor signal.

Electrical Diagram and Cold-Cycle Interconnection Diagram (50Hz Cooling only)

Wiring diagrams for electrical interconnection and cold-cycle.

CONFIGURING THE SYSTEM

Changing the Configuration of the Unit from Underceiling to Console

Configuring the Unit

Setting unit parameters like address, mode, and restart behavior via remote.

Configuring the Wireless Remote Control

Adjusting wireless remote settings: address, temperature units, and operating modes.

Configuring the Wired Remote Control (CRC)

Function Test

Error Codes

List of error codes and their descriptions for troubleshooting malfunctions.

INITIAL START-UP

Table of Conditions and Limits for Application and Operation