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Mars Comfort-Aire Century A-VCD30SA-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-VCD30SA-1 Specifications

General IconGeneral
BTU30, 000 BTU
EER (Energy Efficiency Ratio)10.5
RefrigerantR-410A
Cooling Capacity30, 000 BTU
Power Supply208/230V, 60Hz, 1Ph

Summary

Safety Precautions

Precautions

General safety measures and instructions for handling the unit and its components.

Information Servicing for Flammable Materials

Guidelines for servicing units containing flammable refrigerants, focusing on safety procedures.

Model Reference

Model Number Identification

Table for determining specific indoor and outdoor unit model numbers based on capacity.

Indoor Unit-Air Handler

Electrical Characteristics

Specifications for power, fuses, wiring lines, and diameters for different unit capacities.

Installation Procedures

Maintenance Procedures

First Time Installation Check

Checks to perform after initial installation to ensure proper operation.

Refrigerant Recharge Process

Steps for recharging the system with refrigerant after maintenance.

Re-Installation Steps

Procedures for collecting refrigerant and re-installing components.

Product Features Overview

Safety Features Explained

Details on safety mechanisms like compressor delay, shutoff, and sensor redundancy.

Troubleshooting Guide

Safety Precautions for Troubleshooting

Critical safety warnings before performing troubleshooting procedures.

General Troubleshooting Steps

Common error codes displayed by the indoor unit and their solutions.

Troubleshooting Without Error Codes

Common problems and remedies when no specific error code is displayed.

Quick Maintenance by Error Code

Table mapping error codes to required replacement parts for quick fixes.

Troubleshooting Error Codes

Detailed diagnosis and solutions for various error codes related to PCB and communication.

Indoor Unit Disassembly-Air Handler

Indoor Unit Disassembly Steps

Procedure for disassembling electrical parts of the indoor unit.

Outdoor Unit Disassembly

Outdoor Unit Panel Plate Disassembly

Steps for disassembling panel plates for X430 outdoor units.

Compressor Removal Procedure

Steps for safely removing the compressor from the outdoor unit.

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