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Heat Controller A-DVH12SD-0 User Manual

Heat Controller A-DVH12SD-0
52 pages
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SERVICE MANUAL
DVC/DVH 09/12/18/24
Inverter Single Zone
Ductless Mini-Split
AITONS/MARS 35 Brownridge Road, Unit 6, Halton Hills, ON L7G 0C6 • 1-888-744-2911 • info@aitons.com • www.aitons.com
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Heat Controller A-DVH12SD-0 Specifications

General IconGeneral
Voltage208-230V
RefrigerantR410A
Indoor Unit Noise Level38 dB(A)
Outdoor Unit Noise Level52 dB(A)
Cooling Capacity12000 BTU/h
HSPF9.0
Power Supply1 Phase, 60 Hz
Operating Temperature (Heating)32°F to 86°F
Heating Capacity13, 000 BTU/h

Summary

1. Precautions and Warnings

1.1 Safety Precautions

Instructions to prevent injury to users and property damage.

1.2 Installation and Operational Warnings

Warnings regarding installation and operation to prevent hazards.

Operational Guidelines

Operational guidelines for safe use and maintenance of the unit.

2. Part Identification and Functions

2.1 Model Numbers

Lists model numbers for indoor and outdoor units by capacity.

2.2 Installation Clearances

Specifies minimum clearances for indoor and outdoor unit installation.

2.3 System Features Overview

Lists and illustrates various features of the mini-split system.

3. Dimensional Data

3.1 Indoor Unit Dimensions

Provides dimensional drawings and data for the indoor unit.

3.2 Mounting Bracket Dimensions

Details dimensions and hole specifications for the mounting bracket.

3.3 Outdoor Unit Dimensions

Provides dimensional drawings and data for the outdoor unit.

4. Refrigerant Cycle Diagrams

4.1 Cooling Only Models (DVC)

Illustrates the refrigerant cycle for cooling-only models.

4.2 Heat Pump Models (DVH)

Illustrates the refrigerant cycle for heat pump models.

5. Wiring Diagrams

5.1 Indoor Unit Wiring Diagrams

Wiring diagrams for various indoor unit models.

5.2 Outdoor Unit Wiring Diagrams

Wiring diagrams for various outdoor unit models.

6. Installation Details

6.1 Electrical Installation

Guidelines for electrical installation, codes, and wiring.

6.2 Line Set Connection Sizes

Table specifying pipe sizes for gas and liquid line sets.

6.3 Line Set Lengths and Elevations

Specifies maximum allowed lengths and elevation differences for line sets.

6.4 Field Charging Procedures

Instructions for field charging refrigerant based on line set length.

7. Operating Conditions

8. Electronic Display Functions

8.1 Abbreviations

Defines abbreviations for temperature sensors and set points.

8.2 Display Functions and Icons

Explains icons and indicators on the indoor unit display board.

8.3 Main Protection Features

Details unit protection mechanisms against faults like compressor temp, fan speed, etc.

9. Operation Modes and Functions

9.1 Fan Only Mode

Describes the operation of the unit when only the fan is active.

9.2 Cooling Mode Operations

Details compressor and fan operations based on temperature and AT in cooling mode.

9.3 Heating Mode Operations

Details compressor and fan operations based on temperature and AT in heating mode.

9.4 Defrost Mode

Covers defrosting conditions, ending, and process.

9.5 Evaporator Coil Temperature Protection

Protection mechanism for high evaporator coil temperature.

9.6 Auto-Mode Selection

Details the auto mode selection based on temperature difference.

9.7 Dry Mode Operations

Covers fan speed, louver function, and compressor operation in dry mode.

9.8 Forced Operation

Describes how to force the unit into auto or cooling mode.

9.9 Timer Function

Explains the timer settings for automatic unit operation.

9.10 Sleep Mode Operation

Details the sleep mode operation and its duration.

9.11 Auto-Restart Function

Describes the unit's behavior after a power failure.

9.12 Automatic Panel Function

Explains the automatic movement of the unit's panel.

9.13 47°F (8°C) Heating

Optional feature for low-temperature heating to prevent freezing.

10. Troubleshooting

10.1 Indoor Unit Error Codes

Lists error codes displayed by the indoor unit and their meanings.

10.2 Outdoor Unit Error Diagnosis

Discusses troubleshooting for outdoor unit errors and PCB components.

10.2.1 Outdoor Unit LED Indicators

Explains the meaning of LED lights on the outdoor unit's PCB.

10.2.2 Outdoor Unit LED Error Codes

Details error codes indicated by LED3 and LED4 on specific outdoor units.

10.3 Diagnosis and Solution

10.3.1 EEPROM Parameter Error (E0/F4)

Diagnoses and provides solutions for EEPROM parameter errors.

10.3.2 Indoor/Outdoor Unit Communication Error (E1)

Diagnoses and provides solutions for communication errors between units.

10.3.3 Zero Crossing Detection Error (E2)

Diagnoses and provides solutions for zero crossing detection errors.

10.3.4 Fan Speed Out of Control Error (E3)

Diagnoses and provides solutions for indoor fan speed control errors.

10.3.4 Fan Motor Testing

Provides resistance and voltage tests for indoor AC fan motors.

10.3.5 Temperature Sensor Errors (E5)

Diagnoses and provides solutions for temperature sensor open/short circuits.

10.3.6 Refrigerant Leakage Detection Error (EC)

Diagnoses and provides solutions for refrigerant leakage detection errors.

10.3.7 IPM Malfunction or IGBT Protection (P0)

Diagnoses and provides solutions for IPM or IGBT protection errors.

10.3.8 Compressor Top High Temperature Protection (P2)

Diagnoses and provides solutions for compressor top high-temperature protection.

10.3.9 Inverter Compressor Drive Error (P4)

Diagnoses and provides solutions for inverter compressor drive errors.

10.3.9 Compressor Resistance Check

Instructions for measuring compressor winding resistance.

10.4 Pressure on Service Port

10.4.1 Cooling Pressure Charts

Tables and charts showing service port pressures for cooling mode.

10.4.2 Heating Pressure Charts

Tables and charts showing service port pressures for heating mode.

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