HC22
1 Speed fan,
Economizer
11
12
13
14
15
16
Heat element 2
(2
nd
stage heat)
Economizer
Fan (1 speed)
Compressor 2
(3)
Compressor 1
(3)
HP32
1 Speed fan,
Economizer
Economizer
Heat element
(3
rd
stage heat)
Fan (1 speed)
Compressor 2
(3)
Compressor 1
(3)
Heat pump
(2)
8
7
6
5
4
3
2
1
6
5
4
3
2
1
SW1
SW2
8
7
6
5
4
3
2
1
6
5
4
3
2
1
Fan on/off: 110-230VAC, 2.5A max., Hummidifier, Dehumidifier: 0-10VDC. 0.5mA Not isolated
Control - Heat elements, Heat pump, Compressors, Economizer: 110-230VAC, 0.3A max.
Wiring and DIP Switches – AC systems
9
10
- 22 -
AO1
AO2
x
x
x
x
HC32
1 Speed fan,
Humidifier,
Dehum/Reheat for
Dehumidification
Heat element 3
(3
rd
stage heat)
Fan (1 speed)
Compressor 2
(3)
Compressor 1
(3)
HP42
1 Speed fan,
Humidifier,
Dehum/Reheat for
Dehumidification
Fan (1 speed)
Compressor 2
(3)
Heat pump
(2)
8
7
6
5
4
3
2
1
6
5
4
3
2
1
8
7
6
5
4
3
2
1
Heat element 2
(4
th
stage heat)
Heat element 1
(3
rd
stage heat)
Compressor 1
(3)
6
5
4
3
2
1
Heat element 2
(2
nd
stage heat)
11
12
Humidifier
Dehumidifier
(4)
(option - See SW2.3)
Humidifier
Dehumidifier
(4)
(option - See SW2.3)
(2)
SW1.4 = HP (Heat pump):
ON – Heat pump active in cool, OFF – Heat pump active in heat
HC (Not Heat pump): ON – Electrical heater,
OFF – Oil/Gas heater (no fan)
(3)
SW1.5 = Compressor delay: ON – Disable compressor delay, OFF – Enable compressor delay
(4)
SW2.3 = Dehumidification:
ON – Use dehumidifier,
OFF – Use reheat for dehum.
(5)
SW2.6 = Terminal 12:
ON – Economizer
OFF – Terminal not in use (1 Speed)
Important: Economizer will not work in 3 fan speeds configuration
Heat element 1
(2)
(1
st
stage heat)
Heat element 1
(2)
(1
st
stage heat)
