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Table of Contents
- 1 Condensing Units
- 2 Table of Contents
- 3 Safety Precautions
- 4 General Operating Instructions
- 5 General Product Information
- 6 Outdoor Unit Installation
- 7 Unit Wiring
- 8 Wiring Diagrams
- 9 Unit Wiring
- 10 Refrigerant Piping
- 11 Leak Test, Evacuation & Release of Refrigerant
- 12 Initial Start-Up & Checks
- 13 Field Charging
- 14 Field Inspection
- Download this manual
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Table of Contents
Related Manuals for COMFORT-AIRE CMA18SB-1
Summary of Contents for COMFORT-AIRE CMA18SB-1
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Page 1: Condensing Units
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... -
Page 2: Table Of Contents
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units Horizontal/Side Discharge Condensing Units: Installation, Operation and Maintenance TABLE OF CONTENTS Safety Precautions ........................3 General Operating Instructions....................4 General Product Information ....................5 Outdoor Unit Installation ......................6-7 Unit Wiring ........................... 8-10 Wiring Diagrams ........................8-10 Refrigerant Piping ........................ -
Page 3: Safety Precautions
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units SAFETY PRECAUTIONS Please read this installation manual completely before installing the product. If the power cord is damaged, replacement work shall be performed by authorized personnel only. Installation work must be performed in accordance with all local and national codes by authorized personnel only. -
Page 4: General Operating Instructions
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units OPERATING INSTRUCTIONS IMPORTANT Air conditioners are designed to provide comfort cooling at outside temperatures above 65°F Wait at least 3 minutes after turning your air (18°C) but less than 109°F (43°C). Operating the conditioner off before trying to restart it. This air conditioner outside of this temperature range gives the unit the time needed to stabilize may cause unit failure and will void the warranty. -
Page 5: General Product Information
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units GENERAL PRODUCT INFORMATION UNPACKING AND INSPECTION: THERMOSTAT AND INDOOR The condensing unit is shipped completely FAN TIME DELAY: assembled and in it’s own package. All goods are All indoor units should include a fan time delay. inspected at the factory and released to the freight This may be accomplished by using a digital wall company in good condition. -
Page 6: Outdoor Unit Installation
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units OUTDOOR UNIT INSTALLATION UNIT LOCATION AND MOUNTING: An awning can be built over the outdoor unit to prevent direct sunlight or rain exposure or snowfall. Choose a location that places the condensing Ensure that the awning is at least 2 ft. above the unit as close to the indoor unit as possible. - Page 7 AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units OUTDOOR UNIT INSTALLATION continued Clearances Fig. 5 1. Split type outdoor unit dimensions around the unit for installation and maintenance. Clearance must be maintained to ensure that the air inlets and outlets are not obstructed. [See Fig.
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Page 8: Unit Wiring
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units UNIT WIRING Outdoor unit wiring connection ELECTRICAL WIRING AND SUPPLY VOLTAGE: 1. Remove the electrical control cover from the All electrical wiring must be done according to outdoor unit. NEC and local codes. Nameplate data indicates the operating voltage, phase, ampacity, maximum 2. - Page 9 AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units OUTDOOR UNIT WIRING CONNECTION continued TERMINAL BLOCK OF OUTDOOR UNIT *NOTE: Please refer to the installation instructions of the 24V thermostat used in conjunction with this unit for additional wiring instructions.
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Page 10: Unit Wiring
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units OUTDOOR UNIT WIRING CONNECTION continued CMA18SB-1 & CMA24SB-1 CMA30SB-1 CMA36SB-1... -
Page 11: Refrigerant Piping
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units REFRIGERANT PIPING LEAK TEST, The length of refrigerant lines and the number of bends determine the pressure drop which affects EVACUATION to the compressor. The outdoor unit connections & RELEASE OF REFRIGERANT same diameter as the connections provided at the service valves. -
Page 12: Initial Start-Up & Checks
AITONS EQUIPMENT Horizontal/Side Discharge Condensing Units INITIAL START-UP & CHECKS FINAL INSPECTION Operation of the unit is automatic and will provide cooling depending on the setting of the thermostat. IMPORTANT! All panels must be installed, main power turned Review Unit Operation with the homeowner/user. on and the thermostat properly connected before operating the unit. - Page 13 subject to change without notice. AITONS EQUIPMENT • Guelph, ON N1H 6H9 • 1-888-744-2911 • www.aitons.com 4/2014...