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Mars A-DVH12SF-0 User Manual

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www.marsdelivers.com
www.marsdelivers.com
Service Manual
DVH Series
Inverter Single Zone Ductless Mini-Split
A-DVH09SF-0
A-DVH12SF-0
A-DVH18SF-1
A-DVH24SF-1
B-DVH09SF-0
B-DVH12SF-0
B-DVH18SF-1
B-DVH24SF-1
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Mars A-DVH12SF-0 Specifications

General IconGeneral
BrandMars
ModelA-DVH12SF-0
CategoryAir Conditioner
LanguageEnglish

Summary

Precaution and Safety Information

Safety Precautions for Operation

General safety instructions for safe operation and installation.

Critical Warnings for Installation

Critical warnings related to installation and operation to prevent hazards.

Installation Details and Procedures

First-Time Installation Procedures

Details on vacuum purging and leak testing during initial installation.

Adding Refrigerant Post-Operation

Procedure for adding refrigerant to an operational system.

Electronic Functions Overview

Main Protection Mechanisms

Lists and explains various protection mechanisms for the unit.

Operation Modes and Functions

Describes different operational modes like Fan, Cooling, and Heating.

Troubleshooting and Error Diagnosis

Capacitor Discharge Safety

Safety precautions regarding discharging capacitors.

Indoor Unit Error Displays

Lists error codes and corresponding LED status for indoor units.

Outdoor Unit Board Components and Errors

Identifies components and error codes for outdoor unit boards.

Refrigerant Leakage Detection (EC)

Diagnosis and solution for refrigerant leakage detection.

IPM/IGBT Over-Current Protection Diagnosis (P0)

Troubleshooting for IPM or IGBT over-current protection.

Inverter Compressor Drive Error Diagnosis (P4)

Troubleshooting for inverter compressor drive errors.

Disassembly Instructions

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