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The Signature Series is NOT designed for amateur installation.
Please read this manual carefully before installation and keep it for future reference.
Installation Manual
Signature Series
MAC15*A HEAT PUMP SPLIT SYSTEM
The Signature Series is NOT designed for amateur installation.
Please read this manual carefully before installation and keep it for future reference.
Installation SHOULD be performed by an authorized technician.
Installation SHOULD be performed by an authorized technician.
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Summary of Contents for MrCool MAC15 A Series
- Page 1 The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician. Please read this manual carefully before installation and keep it for future reference. Installation Manual Signature Series MAC15*A HEAT PUMP SPLIT SYSTEM The Signature Series is NOT designed for amateur installation. Installation SHOULD be performed by an authorized technician.
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Page 2: Table Of Contents
There may be more than 1 disconnect switch. Lock out and tag switch with a suitable warning label. Electrical accessory kit. shock can cause personal injury or death. *P506318-03C* Manufactured By MRCOOL, LLC Hickory, KY 42051 (P) 506318-03C Save these instructions for future reference 506318-03C mrcool.com... -
Page 3: Safety Precautions
Page 2 of 11 mrcool.com 506318-03C... - Page 4 6 inch vertical rise at service any period of time, if so unit requires additional evacuation valve. to remove moisture. 506318-03C mrcool.com Page 3 of 11...
- Page 5 DO NOT disturb these valves until the lines have been leak checked Install Electrical Accessories and evacuated or the charge in the unit may be lost. Refer to the instructions packaged with the accessories. Page 4 of 11 mrcool.com 506318-03C...
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Page 6: Electrical Connections
Failure to follow this warning Connect ground wire to ground connection in control box for safety. Connect power wiring to contactor. High voltage power connections to 3-phase models is made 506318-03C mrcool.com Page 5 of 11... -
Page 7: Start-Up Procedure
A cold weather accessory kit may be required for heat matched fan coil. pumps operating at ambient conditions below 25°F. Supplemental heat should be provided for these conditions Table 2. due to the expected performance degeneration. Page 6 of 11 mrcool.com 506318-03C... -
Page 8: Operation
The factory The defrost control incorporates 2 pressure switch circuits. The high pressure switch connects to the boards HI PS setting. terminals. The low pressure switch is factory installed. 506318-03C mrcool.com Page 7 of 11... - Page 9 The feature is deactivated by removing the jumper located on the compressor delay pins on the control board mounted inside the unit control box. This feature is optional for the homeowner, but may impact testing performance. Page 8 of 11 mrcool.com 506318-03C...
- Page 10 Figure 4. SEER Wiring Diagram 506318-03C mrcool.com Page 9 of 11...
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Page 11: Homeowner's Information
For maximum comfort satisfaction and continual air Thermostat Operation On models without a fan Selection Switch, the fan will cycle The wall-mounted thermostat controls your air conditioner. with the outdoor unit. Page 10 of 11 mrcool.com 506318-03C... - Page 12 Condenser Coils Grass cuttings, leaves, dirt, dust, lint from clothes dryers, If warranted replacements parts are required, the warranty and fall off from trees can be drawn into coils by movement 506318-03C mrcool.com Page 11 of 11...
- Page 13 Signature Series MAC15*A HEAT PUMP SPLIT SYSTEM ELECTRICIAN and/or HVAC TECHNICIAN: LICENSE #: INSTALLATION DATE: INSTALLATION LOCATION: SERIAL NUMBER: The design and specifications of this product and/or manual are subject to change without prior notice. Consult with the sales agency or manufacturer for details.