Cooper & Hunter CH-S24FTXTB2S-W - User Manual

Heat Pump Air To Air
Split Air Conditioner
M ODELS :
SERVICE MANUAL
Designed by Cooper&Hunter International Corporation, Oregon, USA
www.cooperandhunter.com
For proper operation, please read and keep this manual carefully.
CH-S09FTXTB2S-W
CH-S 12 FTXTB2S-W
CH-S 18 FTXTB2S-W
CH-S 24 FTXTB2S-W
EN
ICY II Series

Summary

Part I: Technical Information

2. Specifications

2.1 Specification Sheet

Detailed technical specifications for 18K and 24K indoor/outdoor units.

2.5 Cooling and Heating Data Sheet in Rated Frequency

4. Refrigerant System Diagram

5. Electrical Part

5.1 Wiring Diagram

5.2 PCB Printed Diagram

6. Function and Control

Remote Controller Operation

6. Operation Guide

6.4 Modes and Functions Overview

Indoor Unit Modes

7. Installation and Maintenance Precautions

General Safety Precautions

General safety precautions for installation and maintenance.

Electrical Safety Precautions

Specific safety rules related to electrical work.

Installation Safety Precautions

Safety rules specific to the installation process.

8. Installation Procedures

8.1 Installation Dimension Diagram

8.3 Installation Location Selection

8.4 Electrical Connection Requirements

Safety and Grounding Guidelines

8.5 Indoor Unit Installation

Indoor Unit Wiring and Piping

8.6 Outdoor Unit Installation

Pipe and Wire Connections

8.7 System Preparation and Leak Detection

Vacuum Pumping Procedure

Leak Detection Methods

8.8 Post-Installation Checks and Test Operation

9. Maintenance Precautions

Electrical Safety for Maintenance

Safety measures for high-capacity capacitors on the outdoor mainboard.

9.2 Error Code Reference

9.2 Error Code Reference

Continuation of the error code table.

9.3 Main Malfunction Troubleshooting

Temperature Sensor Malfunctions

Troubleshooting flowchart for temperature sensor issues (F1, F2).

IDU Fan Motor Protection Malfunction

Troubleshooting flowchart for IDU fan motor protection (H6).

Jumper Cap Protection Malfunction

Troubleshooting flowchart for jumper cap protection issues (C5).

Communication Malfunction

Troubleshooting flowchart for communication malfunctions (E6).

WIFI Detecting Plate Malfunction

Troubleshooting flowchart for WIFI detecting plate malfunction (JF).

Outdoor Unit Control Board Diagnostics

Capacitor Charge Fault Diagnosis

Diagnosis and troubleshooting for capacitor charge faults.

IPM, Out-of-step, Overcurrent Fault Diagnosis

Diagnosis for IPM protection, out-of-step, and overcurrent faults.

High Temp & Overload Protection Diagnosis

Diagnosis for high temperature and overload protection.

Start-up Failure Diagnosis

Compressor Out-of-step Diagnosis

Overload & Air Exhaust Malfunction Diagnosis

PFC Fault Diagnosis

Communication Malfunction Diagnosis

9.4 Troubleshooting Normal Malfunctions

Unit Fails to Start

Poor Cooling or Heating Performance

Cooper & Hunter CH-S24FTXTB2S-W Specifications

General

Type	Split System
HSPF Rating	10
Voltage	208-230V
Color	White
Outdoor Unit Noise Level	55 dB(A)
Indoor Unit Dimensions	1078x246x325 mm
Outdoor Unit Dimensions	965x400x700 mm
Cooling Capacity	24000 BTU/h
Heating Capacity	24000 BTU/h
Power Supply	1 Phase
Refrigerant	R-410A
Indoor Unit Weight	15 kg
Operating Temperature (Cooling)	18 to 48 °C
Operating Temperature (Heating)	-15°C to 24°C