Heat Controller Energy Knight B/A-HMC30AS Service Manual page 35

3. Connecting the cable between
indoor unit and outdoor unit
1) 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.)
Terminals on the indoor unit
Color of Wires
Color of Wires
Terminals on the outdoor unit
CAUTION
Wiring must be as following diagram.
Disconnect Switch (Optional)
• May be required by local codes
• Must be rated for 15 amps
Indoor
unit
3(L1) 4(L2)
G/Y BROWN BLUE RED
G/Y BROWN BLUE RED
4(L2)
1(L1) 2(L2) 3(L1)
POWER INPUT
61cm max
(24 in max)
The power supply cord connected to the outdoor
unit should be complied with the following
specifications (UL and CSA recognized one).
5
5
The connecting cable connected to the indoor
and outdoor unit should be complied with the
following specifications (UL and CSA
recognized one).
Outdoor Disconnect Switch
• Must be rated for 30 amps
Outdoor
unit
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CAUTION
AWG #12
AWG #20
Main power source
61cm max
(24 in max)