Connecting The Cable Between Indoor Unit And Outdoor Unit; Connect The Cable To The Indoor Unit - Heat Controller B-MMC09FA-1 Service Manual

Connecting the Cable between Indoor Unit and Outdoor Unit

Connect the cable to the Indoor unit.

Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually
according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the terminal No. are
the same as those of the indoor unit.)
The earth wire should be longer than the common wires.
The circuit diagram is not subject to change without notice.
When installing, refer to the electrical diagram behind the front panel of Indoor Unit.
The wiring for the outdoor unit can be found on the inside of the Outdoor Unit control cover.
WARNING:
• The circuit diagram is not subject to change without notice.
• Be sure to connect wires according to the wiring diagram.
• Connect the wires firmly, so that not to be pulled out easily.
• Connect the wires according to color codes by referring to the wiring diagram.
WARNING: Provide a circuit breaker
between power source and the outdoor
unit as shown below.
WARNING: The power cord connected to the outdoor unit should be complied with the following speci-
fications (ETL recognized and CSA certified).
18 / 24 kBtu
Line voltage (208~230V)
The power connecting cable connected to the indoor and outdoor unit should be complied with the fol-
lowing specifications (ETL recognized and CSA certified).
WARNING: When using the separate wire as the power cord, please fix the separate wire into the con-
trol box panel by using tie wrap as the fixture.
Connecting the Cable between Indoor Unit and Outdoor Unit
AWG14
Line voltage (208~230V)
Low voltage (below 40V)
Main power source
Air
Conditioner
36 kBtu
AWG12 (Allowable temperature
to the wire rated at least 90C˚)
AWG18
Circuit Breaker
Use a circuit breaker
or time delay fuse.
Service Manual 31