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Mode
Priority
Emergency heat
Heating zone control
Heating zone control
Heating zone control
Heating zone control
Heating zone control
Heating zone control
NOTE: 1: 24V signal
0: No 24V signal
*: 1 or 0.
The air handler unit will turn off if the 24V input cannot meet the table.
5. Connecting Cables
The power cord connection should be selected according to the following specifications.
1 drive 2 type (24K outdoor unit)
1 drive 3 type (30K outdoor unit).
1 drive 4 type (36K outdoor unit)
1 drive 5 type (48K outdoor unit)
G
Y1
Y/Y2
1
*
*
*
*
1
0
*
*
1
*
*
*
2
*
0
0
*
0
0
*
0
0
Table 4.
Unit
24V Input Terminal
B
W
W1
W2
*
*
*
*
1
0
*
*
1
0
*
*
*
1
*
*
*
0
1
0
*
0
0
1
*
0
1
1
Wire Gauge
29
E/AUX DH/DS/BK
Fan
speed
1
*
Turbo
0
0
Low
0
0
Low
0
0
Low
0
0
Low
0
0
Low
0
0
Low
Gauge
14
14
12
10
Display
12
13
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