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Mars COMFORT-AIRE CMA48SD-1 User Manual

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INSTALLATION , OPERATION &
MAINTENANCE MANUAL
Horizontal/Side Discharge
Condensing Units
Models
CMA12SD-0
CMA18SD-1
CMA24SD-1
CMA30SD-1
CMA36SD-1
CMA48SD-1
517.787.2100 • www.marsdelivers.com
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Mars COMFORT-AIRE CMA48SD-1 Specifications

General IconGeneral
BrandMars
ModelCOMFORT-AIRE CMA48SD-1
CategoryHeat Pump
LanguageEnglish

Summary

Safety Precautions

General Warnings

Installation defects, electrical shock, fire hazards, and proper parts usage.

Cautions

Grounding, flammable gas locations, and drainage piping considerations.

Operating Instructions

Basic Operation

Setting thermostat and fan for cooling mode.

Maintenance Procedures

Cleaning air filters and outdoor unit coils for optimal performance.

Important Operational Notes

Restart delay, product alterations, and replacement parts warnings.

General Product Information

Unpacking and Inspection

Procedures for inspecting the unit upon delivery.

Cooling Temperature Limits

Specifies operating temperature ranges for effective cooling.

Thermostat and Fan Time Delay

Guidance on thermostat selection and fan time delay.

Outdoor Unit Installation

Location and Mounting

Guidance on selecting a suitable location and mounting the outdoor unit.

Airflow and Environmental Considerations

Ensuring clear airflow and protection from wind and debris.

Clearances and Anchoring

Required clearances around the unit and anchoring recommendations.

Unit Wiring

Electrical Wiring and Supply Voltage

Requirements for electrical wiring, codes, and supply voltage consistency.

Outdoor Unit Wiring Connection

Steps and precautions for connecting wiring to the outdoor unit.

Terminal Block Diagrams

Diagrams of terminal blocks for different models.

Circuit Diagrams

Electrical circuit diagrams for various models.

Refrigerant Piping

Refrigerant Piping Guidelines

Advice on refrigerant line length, bends, insulation, and oil traps.

Leak Test, Evacuation & Release of Refrigerant

Procedures for leak testing, evacuating, and handling refrigerant.

Initial Start-Up & Checks

System Check Procedures

Steps for initial system checks before operating the unit.

Field Charging Guidelines

Guidance on system charging based on conditions and line set length.

Final Inspection and Handover

Final installation checks and homeowner review.

Limited Express Warranty

Warranty Terms and Conditions

Details warranty coverage, exceptions, and conditions for coverage.

Obtaining Warranty Service

Instructions on how to claim warranty service or obtain replacement parts.

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