Connecting the Cable between Indoor Unit and Outdoor Unit

Connecting the Cable between Indoor Unit and Outdoor Unit

Connectthe cabletotheIndoorunit.

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 ground wire should be longer than the common wires. The circuit diagram is 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 subject to change without notice.

Be sure to connect wires according to the wiring diagram.

Connect the wires firmly, so that they can not 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.

Main power source

 

Air

Circuit Breaker

Conditioner

Use a circuit breaker

 

or time delay fuse.

WARNING: The power cord connected to the outdoor unit should comply with the following specifica-

tions: ETL recognized and CSA certified.

18 / 24 kBtu/h

 

 

36 kBtu/h

AWG12 (Allowable temperature

 

 

AWG14

 

 

 

to the wire rated at least 90C˚)

 

 

 

 

 

 

 

 

Line voltage (208~230V)

 

 

Line voltage (208~230V)

 

 

GN/YL

 

 

 

GN/YL

 

 

20

mm

 

20

mm

(0.

 

(0.

79

inch)

 

79

inch)

 

 

 

 

 

The power connecting cable connected to the indoor and outdoor unit should comply with the following specifications: ETL recognized and CSA certified.

Low voltage (below 40V)

AWG18

GN/YL 20mm

WARNING: When using the separate wires as the power cord, please secure the separate wires into the control box panel using tie wraps to hold all wires together in place.

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Service Manual

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Image 31
Heat Controller B-MMC12FA-1, B-MMH12FA-1 manual Connect the cable to the Indoor unit, Tions ETL recognized and CSA certified