11
12
13
14
15
16
SW3
SW1
Fan on/off: 110-230VAC, 2.5A max., PID valves: 0-10VDC, 0.5mA Not isolated
Control - Heat elements, Cool/Heat valves, Economizer: 110-230VAC, 0.3A max.
Wiring and DIP Switches – FC systems – 4-Pipe
with Reheat for dehumidification, without Humidifier
4-Pipe,
1/2/3 Speeds fan
(1)
,
Reheat for
Dehumidification
Fan high
Fan medium
(or Economizer
(5)
)
Fan low
Heat element
(2)
(2
nd
stage heat)
Cool valve
(3)
Heat valve
8
7
6
5
4
3
2
1
6
5
4
3
2
1
4-Pipe,
1/2/3 Speeds fan
(1)
,
Cool valve PID,
Reheat for
Dehumidification
Fan high
Fan medium
(or Economizer
(5)
)
Fan low
Heat element
(2)
(2
nd
stage heat)
Cool valve PID
(3)
Heat valve
8
7
6
5
4
3
2
1
6
5
4
3
2
1
40
41
- 32 -
AO1
AO2
x
x
x
x
(1)
SW3.1, SW3.2 = Fan speeds:
1 Speed (Low):
SW3.1 ON, SW3.2 OFF
2 Speeds (Low and High):
SW3.1 OFF, SW3.2 ON
3 Speeds (Low, Medium and High): SW3.1 OFF, SW3.2 OFF
(2)
SW3.4 = 2
nd
heating stage:
ON – Enable,
OFF – Disable
(3)
SW3.5 = Chilled beam option
ON – Enable chilled beam (fan will not run with cooling)
(5)
SW1.6 = Terminal 12 operation: ON – Economizer
OFF – Fan Med. (3 Speeds) / Terminal not in use (1/2 Speeds)
Important: Economizer will not work in 3 fan speeds configuration
