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HONEYWELL UNITARY CONTROLLER - 230 VAC - INSTALLATION INSTRUCTIONS
Terminal Connections
Terminal
Label
Power 230 V
1
L
2
N
3
DO Relay
4
NC1
5
NO1
6
IN1
7
NC2
8
NO2
9
IN2
10
NC3
11
NO3
12
IN3
13
NC4
14
NO4
15
IN4
DO CHP
18
CO1
19
C
20
CO2
21
CO3
22
C
23
CO4
UIO
32
IO13
33
C
34
IO14
35
IO15
36
C
37
IO16
38
24 VDC OUT
RS485 - 1
45
+
46
-
47
COM
Power 24
48
49
V0
TM
SYLK
50
+
51
-
31-00610-01
Table 15 Terminal Connections
Neutral
Earth ground (connected to building earth ground)
Normally Closed 1
Normally Open 1
Universal signal input / output 1
Normally Closed 2
Normally Open 2
Universal signal input / output 2
Normally Closed 3
Normally Open 3
Universal signal input / output 3
Normally Closed 4
Normally Open 4
Universal signal input / output 4
CO1 chopper output
Common
CO2 chopper output
CO3 chopper output
Common
CO4 chopper output
Universal signal input / output 13
Common
Universal signal input / output 14
Universal signal input / output 15
Common
Universal signal input / output 16
Power Output
RS-485 bus + (for Modbus only)
RS-485 bus - (for Modbus only)
Common
Power supply voltage (connected to 24 VDC)
Power supply voltage (connected to 24 V0)
TM
Sylk
Bus
TM
Sylk
Bus
Description
18
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