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Mars Comfort-Aire Century A-VCD24SA-1 User Manual

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Service Manual - VCDxxSA
VCD-SA Series
Air-Handler Air Conditioners
Model
VCD24, 30, 36, 48, 60 SA Series
Service Manual
517.787.2100 • www.marsdelivers.com

Table of Contents

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Mars Comfort-Aire Century A-VCD24SA-1 Specifications

General IconGeneral
BTU24000
Cooling Capacity7.03 kW
RefrigerantR-410A
Net Weight (Indoor Unit)15 kg
Net Weight (Outdoor Unit)50 kg
Power Supply208/230V, 1 Phase, 60Hz

Summary

Safety Precautions

Precautions

General warnings and instructions for safe operation and maintenance.

Information servicing(For flammable materials)

Precautions for handling flammable refrigerants and ensuring safety during servicing.

Installation

Installation Overview

Step-by-step visual guide to the overall installation process.

Location Selection

Guidelines for choosing an appropriate installation location, including forbidden areas and clearances.

Indoor Unit Installation(AHU)

Detailed instructions and illustrations for installing the indoor air handler unit.

Outdoor unit installation

Procedures for installing the outdoor unit, including fixing with anchor bolts and panel plate dimensions.

Refrigerant Pipe Installation

Instructions on maximum pipe length, drop height, and proper connection procedures.

Vacuum Drying and Leakage Checking

Procedures for evacuating the system and performing leakage tests.

Additional Refrigerant Charge

Guidance on calculating and adding refrigerant based on pipe length and diameter.

Engineering of Electrical Wiring

Guidelines for field wiring, specific connection methods, and wiring for thermostats.

Test Operation

Steps and checks required to confirm correct installation and operation after setup.

Maintenance

Troubleshooting

Safety Caution

Important warnings regarding electrical safety and discharging capacitors before troubleshooting.

General Troubleshooting

Table of indoor unit error codes, their descriptions, and corresponding solutions.

Error Diagnosis and Troubleshooting Without Error Code

Lists common problems and suggested remedies when no error code is displayed.

Quick Maintenance by Error Code

Tables suggesting parts to replace based on specific error codes encountered.

Troubleshooting by Error Code

Detailed diagnosis and solutions for various error codes related to PCBs, sensors, and motors.

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