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COMFORT-AIRE CMA18SB-1 User Manual

COMFORT-AIRE CMA18SB-1
13 pages
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INSTALLATION, OPERATION
& MAINTENANCE MANUAL
Horizontal/Side Discharge
Condensing Units
Models:
CMA18SB-1
CMA24SB-1
CMA30SB-1
CMA36SB-1
AITONS EQUIPMENT Guelph, ON N1H 6H9 1-888-744-2911 www.aitons.com
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COMFORT-AIRE CMA18SB-1 Specifications

General IconGeneral
Cooling Capacity18, 000 BTU/h
Energy Efficiency Ratio (EER)9.0
RefrigerantR-410A
Voltage208/230V
Weight54 lbs
Amps8.5 A
Power Supply208/230V, 60Hz

Summary

Safety Precautions

Operating Instructions

To Operate

Steps for setting thermostat and fan modes for cooling operation.

Maintenance

Instructions for periodic cleaning of air filters and outdoor unit coils.

General Product Information

Unpacking and Inspection

Procedures for checking the unit upon delivery for damage and filing claims.

Cooling Operation Temperature Limits

Specifies the acceptable outdoor temperature range for cooling operation.

Indoor Unit Use and System Efficiency

Guidance on indoor unit compatibility and system efficiency considerations.

Thermostat and Indoor Fan Time Delay

Recommendations for thermostat selection, installation, and fan time delay.

Outdoor Unit Installation

Unit Location and Mounting

Guidelines for selecting the optimal location and mounting the outdoor unit securely.

Clearances

Required clearances around the unit for air intake, outlet, and maintenance access.

Unit Wiring

Electrical Wiring and Supply Voltage

Requirements for electrical wiring, supply voltage, and overcurrent protection.

Outdoor Unit Wiring Connection

Steps and diagram for connecting cables to the outdoor unit's terminal block.

Terminal Block of Outdoor Unit

Detailed diagram showing the outdoor unit's terminal block connections.

Refrigerant Piping

Leak Test, Evacuation & Release of Refrigerant

Recommended procedure for leak testing, evacuating, and charging refrigerant into the system.

Initial Start-Up & Checks

Field Charging

Guidance on system charge, its impact on performance, and adding refrigerant.

Final Inspection

Final visual checks and operational review with the homeowner after installation.

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