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Mars Comfort-Aire CMA1412SG-0 User Manual

Mars Comfort-Aire CMA1412SG-0
16 pages
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517.787.2100 • www.marsdelivers.com
Installation, Operation and
Maintenance Manual
Horizontal/Side Discharge
Condensing Units
Models:
CMA1412SG-0
CMA1418SG-1
CMA1424SG-1
CMA1430SG-1
CMA1436SG-1
CMA1448SG-1
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Mars Comfort-Aire CMA1412SG-0 Specifications

General IconGeneral
BrandMars
ModelComfort-Aire CMA1412SG-0
CategoryHeat Pump
LanguageEnglish

Summary

Safety Precautions

Warning Statements

Details specific warnings related to installation and electrical safety, and potential hazards.

Caution Statements

Details specific cautions related to grounding, flammable gas presence, and drainage.

Operating Instructions

Restart Wait Time

Important note regarding a minimum wait time before restarting the air conditioner to prevent damage.

Maintenance Procedures

Routine maintenance tasks for the air conditioner unit, including filter cleaning and coil care.

General Product Information

Unpacking and Inspection

Procedures for unpacking and inspecting the condensing unit upon arrival for any damage.

Cooling Operation Temperature Limits

Specifies the operational temperature range for cooling and warranty voiding conditions.

Indoor Unit Compatibility

Discusses compatibility with indoor units and recommended expansion devices for system efficiency.

Thermostat and Fan Time Delay

Information on thermostat selection, location, and fan time delay requirements for proper operation.

Outdoor Unit Installation

Unit Location and Mounting

Guidelines for selecting the location and mounting the outdoor condensing unit for optimal performance.

Clearances and Dimensions

Specifies required clearances and provides dimensional data for various outdoor unit models.

Unit Wiring

Electrical Wiring and Supply Voltage

Requirements for electrical wiring, supply voltage, and compliance with NEC and local codes.

Outdoor Unit Wiring Connection

Step-by-step instructions for connecting the wiring to the outdoor unit terminals.

Wiring Diagrams

Terminal Block Diagrams

Illustrates terminal block connections for different unit models (12K, 18K-30K, 36K-48K).

Circuit Diagrams

Detailed circuit diagrams for 12K and 18K models, showing component connections and wiring.

Circuit Diagrams (Continued)

Detailed circuit diagrams for 24K & 30K, and 36K models, showing component connections.

48K Circuit Diagram

Detailed circuit diagram for the 48K model, illustrating component connections and wiring.

Refrigerant Piping

Piping Specifications and Guidelines

Details on refrigerant line lengths, bends, tube sizing, and installation best practices.

Leak Test, Evacuation & Release

Recommended procedures for leak testing, evacuating the system, and handling refrigerant safely.

Initial Start-Up & Checks

Start-Up Procedures

Step-by-step instructions for the initial start-up and operation of the unit.

Final Inspection

Guidance for performing a final visual inspection and reviewing unit operation.

Field Charging

Information on system charge, pressure/temperature charts, and calculating additional refrigerant.

Limited Express Warranty

Warranty Coverage Details

Details on the limited express warranty for parts and compressor, and commercial use warranty.

Warranty Exceptions and Conditions

Lists exclusions from the warranty and conditions required for coverage.

Obtaining Warranty Service

Instructions on how to obtain warranty service or replacement parts.

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