MCAC-RTT6S-201701 Midea R410A Tropical ClimaCreator Series Rooftop Package 220V 3Ph 60Hz
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Wired controller wiring diagram (Optional wired controller)
MRCT-075CWN1-D(C):
These units cannot directly connect with wired controller KJR-12B. If these units connect
with KJR-12B, it should be customized to change the main PCB board of the unit.
MRCT-100CWN1-D(C), MRCT-150CWN1-D(C),
MRCT-200CWN1-D(C), MRCT-250CWN1-D(C):
If choose KJR-23B or Non-programmed electrical thermostat of other brand, such as
Honeywell. Wiring should refer to the manual of the thermostat. After connection, set SW3
in 1. Finally, shut off the power supply and then repower.
8. Start-up
Before starting unit:
Is the unit properly located and level with the proper clearance?
Is the duct work correctly sized, run, taped, insulated, and weatherproofed with proper unit
arrangement?
Is the wiring properly sized and run according to the unit wiring diagram?
Are all the wiring connections tight, including those in the unit?
Has the unit been properly grounded and fused with the recommended fuse size?
Has the air conditioning system been checked at the service ports for charge and leak tested if
necessary?
Does the condenser fan and indoor blower fan free without rubbing, and are they tight on the
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