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CH CH-PT12HP1 - User Manual

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PACKAGED TERMINAL
AIR CONDITIONER
SERVICE MANUAL
Model: СH-PT12HP1
CH-PT15HP1
СH-PT12HS2
CH-PT15HS2
Designed by Cooper&Hunter International Corporation, Oregon, USA
www.cooperandhunter.com
F or proper operation, please read and keep this manual carefully.
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Summary

1. Precaution and Safety Guidelines

1.1 Safety Precaution

Instructions to prevent injury to users and property damage during operation.

1.2 Warning

Critical warnings for installation, electrical work, grounding, and product handling.

Installation and Operational Warnings

Warnings on Installation Site and Electrical Safety

Warnings regarding installation site, power cables, water, flammable gas, and environmental conditions.

Product Handling and Environmental Cautions

Cautions for Product Operation and Storage

Cautions about product operation, cleaning, storage, and placement near neighborhoods or sea wind.

General Cautions

Check refrigerant, install drain hose, keep level, noise/air, lifting, sea wind.

OPERATIONAL Safety Advice

Safety Advice for Use and Maintenance

Safety advice for direct air exposure, product usage, cleaning, and battery handling.

2. Functions and Control Panel

Power and Mode Controls

Explanation of the power button and how to cycle through operating modes (COOL, HEAT, FAN).

Cooling and Heating Mode Operation

Details on temperature ranges, compressor behavior, and mode-specific operations.

Control Panel Features

Temperature and Fan Speed Adjustment

How to use UP/DOWN buttons for temperature and fan speed adjustments.

Display and Control Options

Information on display indicators and front desk/wired controller functionality.

Error Code Reference

Sensor Error Codes

Codes (AS, ES, CS, oS, HS) indicating open or short circuits in temperature sensors.

Other Error Codes

Codes (LO, HI, E4, LE) for temperature limits, communication, and controller issues.

3. Unit Dimensions

4. Refrigerant Cycle Diagram

5. Electronic Functions

Terms and Working Environment

Definitions of sensors and specifications for electric control working environment.

Protection Functions

Details on compressor delay, sensor protection, and evaporator anti-freezing features.

Fan Motor Operation Logic

How the fan motor operates based on different conditions and modes.

Fan Motor Speed Control

Fan Motor Speed Control in Cooling Mode

Specific control logic for fan motor speed in cooling mode.

Evaporator High Temperature Protection

Protection mechanisms for the evaporator against high temperatures.

Compressor Operation Modes

Fan Only Mode Operation

How the fan operates exclusively when the unit is in fan-only mode.

Compressor Activation in Cooling and Heating

Conditions for compressor activation in cooling and heating modes.

Electric Heater and Heat Pump Operation

Operation Logic for Heater and Heat Pump

Logic for electric heater and heat pump operations, including their interactions.

5.6 Dip Switch and Jumper Settings

Dip Switch Configurations Table

Detailed table outlining the functions of various dip switch settings.

Notes on Dip Switch Settings

Explanations for specific settings like thermostat control, temperature limits, and fan modes.

5.7 Front Desk Switch and Wire Controller

Installation Suggestions

Transformer Sizing and Wire Gauge

Guidance on sizing transformers and selecting appropriate wire gauges for installation.

6. Unit Components Overview

7. Installation Details

Unit Installation Procedure

General instructions and important cautions for installing the air conditioner unit.

Lifting and Handling Cautions

Safety warnings regarding sharp edges and the heavy weight of the unit during installation.

Sleeve and Unit Mounting

Unit Preparation and Vent Control Operation

Procedures for preparing the unit and operating the vent control lever.

Securing and Front Panel Reinstallation

7.2 Care and Cleaning

Guidelines for cleaning the unit's exterior and outdoor coil.

Filter Maintenance and Benefits

Vent Door Filter Cleaning

Step-by-step instructions for cleaning the vent door filter.

8. Operation Characteristics

Cooling Operation Range

Graphical representation of the unit's cooling performance based on temperatures.

Heating Operation Range

Graphical representation of the unit's heating performance based on temperatures.

9. Power Connection Options

Power Cord Protection and 265 V Notes

Details on power cord protection features and specific considerations for 265V models.

10. Troubleshooting

Error Code Reference

A list of error codes displayed by the unit and their meanings.

Temperature Sensor Fault Diagnosis

Communication Error (E4) Diagnosis

Drive-by-Wire Controller Failure (LE)

Troubleshooting steps for drive-by-wire controller failure issues.

Troubleshooting Common Issues

Unit Start-up and Performance Issues

Solutions for problems like the unit not starting or not cooling/heating effectively.

Display and Noise Troubleshooting

How to address issues with strange display characters or unusual operating noises.

Water Dripping and Frost Issues

Compressor Protection and Notes

Explanations for compressor protection delays and important notes on electrical issues.

Temperature Sensor Characteristics

Summary

1. Precaution and Safety Guidelines

1.1 Safety Precaution

Instructions to prevent injury to users and property damage during operation.

1.2 Warning

Critical warnings for installation, electrical work, grounding, and product handling.

Installation and Operational Warnings

Warnings on Installation Site and Electrical Safety

Warnings regarding installation site, power cables, water, flammable gas, and environmental conditions.

Product Handling and Environmental Cautions

Cautions for Product Operation and Storage

Cautions about product operation, cleaning, storage, and placement near neighborhoods or sea wind.

General Cautions

Check refrigerant, install drain hose, keep level, noise/air, lifting, sea wind.

OPERATIONAL Safety Advice

Safety Advice for Use and Maintenance

Safety advice for direct air exposure, product usage, cleaning, and battery handling.

2. Functions and Control Panel

Power and Mode Controls

Explanation of the power button and how to cycle through operating modes (COOL, HEAT, FAN).

Cooling and Heating Mode Operation

Details on temperature ranges, compressor behavior, and mode-specific operations.

Control Panel Features

Temperature and Fan Speed Adjustment

How to use UP/DOWN buttons for temperature and fan speed adjustments.

Display and Control Options

Information on display indicators and front desk/wired controller functionality.

Error Code Reference

Sensor Error Codes

Codes (AS, ES, CS, oS, HS) indicating open or short circuits in temperature sensors.

Other Error Codes

Codes (LO, HI, E4, LE) for temperature limits, communication, and controller issues.

3. Unit Dimensions

4. Refrigerant Cycle Diagram

5. Electronic Functions

Terms and Working Environment

Definitions of sensors and specifications for electric control working environment.

Protection Functions

Details on compressor delay, sensor protection, and evaporator anti-freezing features.

Fan Motor Operation Logic

How the fan motor operates based on different conditions and modes.

Fan Motor Speed Control

Fan Motor Speed Control in Cooling Mode

Specific control logic for fan motor speed in cooling mode.

Evaporator High Temperature Protection

Protection mechanisms for the evaporator against high temperatures.

Compressor Operation Modes

Fan Only Mode Operation

How the fan operates exclusively when the unit is in fan-only mode.

Compressor Activation in Cooling and Heating

Conditions for compressor activation in cooling and heating modes.

Electric Heater and Heat Pump Operation

Operation Logic for Heater and Heat Pump

Logic for electric heater and heat pump operations, including their interactions.

5.6 Dip Switch and Jumper Settings

Dip Switch Configurations Table

Detailed table outlining the functions of various dip switch settings.

Notes on Dip Switch Settings

Explanations for specific settings like thermostat control, temperature limits, and fan modes.

5.7 Front Desk Switch and Wire Controller

Installation Suggestions

Transformer Sizing and Wire Gauge

Guidance on sizing transformers and selecting appropriate wire gauges for installation.

6. Unit Components Overview

7. Installation Details

Unit Installation Procedure

General instructions and important cautions for installing the air conditioner unit.

Lifting and Handling Cautions

Safety warnings regarding sharp edges and the heavy weight of the unit during installation.

Sleeve and Unit Mounting

Unit Preparation and Vent Control Operation

Procedures for preparing the unit and operating the vent control lever.

Securing and Front Panel Reinstallation

7.2 Care and Cleaning

Guidelines for cleaning the unit's exterior and outdoor coil.

Filter Maintenance and Benefits

Vent Door Filter Cleaning

Step-by-step instructions for cleaning the vent door filter.

8. Operation Characteristics

Cooling Operation Range

Graphical representation of the unit's cooling performance based on temperatures.

Heating Operation Range

Graphical representation of the unit's heating performance based on temperatures.

9. Power Connection Options

Power Cord Protection and 265 V Notes

Details on power cord protection features and specific considerations for 265V models.

10. Troubleshooting

Error Code Reference

A list of error codes displayed by the unit and their meanings.

Temperature Sensor Fault Diagnosis

Communication Error (E4) Diagnosis

Drive-by-Wire Controller Failure (LE)

Troubleshooting steps for drive-by-wire controller failure issues.

Troubleshooting Common Issues

Unit Start-up and Performance Issues

Solutions for problems like the unit not starting or not cooling/heating effectively.

Display and Noise Troubleshooting

How to address issues with strange display characters or unusual operating noises.

Water Dripping and Frost Issues

Compressor Protection and Notes

Explanations for compressor protection delays and important notes on electrical issues.

Temperature Sensor Characteristics

CH CH-PT12HP1 Specifications

General IconGeneral
Heating Capacity13000 BTU
Power Supply220-240V, 50Hz
RefrigerantR410A
Cooling Capacity12000 BTU/h
Operating Temperature (Cooling)18°C to 43°C

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