HC32
1 Speed fan
11
12
13
14
15
16
Heat element 3
(3
rd
stage heat)
Heat element 2
(2
nd
stage heat)
Fan (1 speed)
Compressor 2
(3)
Compressor 1
(3)
Heat element 1
(2)
(1
st
stage heat)
HP42
1 Speed fan
Heat element 1
(3
rd
stage heat)
Heat element 2
(4
th
stage heat)
Fan (1 speed)
Compressor 2
(3)
Compressor 1
(3)
Heat pump
(2)
HP22
2/3 Speeds fan
(1)
Fan medium
(or Economizer
(5)
)
Fan high
Fan low
Compressor 2
(3)
Compressor 1
(3)
Heat pump
(2)
HP21
2/3 Speeds fan
(1)
Fan medium
(or Economizer
(5)
)
Fan high
Fan low
Heat element
(2
nd
stage heat)
Compressor
(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
8
7
6
5
4
3
2
1
6
5
4
3
2
1
8
7
6
5
4
3
2
1
6
5
4
3
2
1
Fan on/off: 110-230VAC, 2.5A max.
Control - Heat elements, Heat pump, Compressors, Economizer: 110-230VAC, 0.3A max.
Wiring and DIP Switches – AC systems
1
2
3
4
- 20 -
AO1
AO2
x
x
x
x
x
x
x
x
(1)
SW1.1, SW1.2 = Fan speeds: 2 Speeds (Low and High):
SW1.1 OFF, SW1.2 ON
3 Speeds (Low, Med. and High): SW1.1 OFF, SW1.2 OFF
(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
(5)
SW2.6 = Terminal 12:
ON – Economizer
OFF – Fan Med. (3 Speeds) / Terminal not in use (2 Speeds/VFS)
Important: Economizer will not work in 3 fan speeds configuration
