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HONEYWELL UNITARY CONTROLLER - 230 VAC - INSTALLATION INSTRUCTIONS
Internal Wiring Example
Internal Wiring Large controller
230 VAC
1
2
3
4
5
1
2
3
4
5
NC1 NO1 IN1 NC2 NO2 IN2 NC3 NO3 IN3 NC4 NO4 IN4
L
N
POWER 230V
DO RELAY
MS/TP
ADDRESS
1 2 4 8 16 32 64
Power Input
Input 1 A Max
1
2
3
4
5
1
2
3
4
5
L
N
NC1 NO1 IN1 NC2 NO2 IN2 NC3 NO3 IN3 NC4 NO4 IN4
POWER 230V
DO RELAY
Isolated
Power
Supply
MS/TP
ADDRESS
1 2 4 8 16 32 64
NOTE:
The SHLD (terminal 44) on the BACnet™ MS/TP controller is a free-floating terminal and is not connected to
any signal common.
31-00610-01
6
7
8
9
1
11 12 13 14 15
6
7
8
9
1
11 12 13 14 15
-28V
Isolated
+28V
+21V
Power
+5V
Supply
RS485 1
MS/TP 1
POW24
ON
+
OFF
+
- SHLD
-
COM
42
43
44
45
46
47
48 49 50 51 52 53
42
43
44
45
46
47
48 49 50 51 52 53
6
7
8
9
1
11 12 13 14 15
6
7
8
9
1
11 12 13 14 15
+28V
-28V
Chopper
-28V
circuit
+28V
+21V
+5V
+28V
LDO 24V
MS/TP 1
RS485 1
POW24
ON
OFF
+
+
-
COM
- SHLD
45
46
47
48 49 50 51 52 53
42
43
44
42
43
44
45
46
47
48 49 50 51 52 53
Power Auxiliary
Fig. 14 Internal Wiring Large controller
18 19
2
21 22 23
18 19
2
21 22 23
CO1
C
CO2
CO3
C
CO4
DO CHP
SYLK
UIO
V0
IO1
C
IO2 IO3
C
IO4 IO5
WM1 / 2
54
55 56 57 58 59
54
55 56 57 58 59
18 19
2
21 22 23
18 19
2
21 22 23
CO1
C
CO2
CO3
C
CO4
DO CHP
SYLK
UIO
V0
WM1 / 2
IO1
C
IO2 IO3
C
IO4 IO5
54
55 56 57 58 59
54
55 56 57 58 59
75 mA
1.8 W
16
32 33 34 35 36 37 38
32 33 34 35 36 37 38
IO13 C IO14 IO15 C IO16
UIO
24VDC
C
IO6 IO7
C
IO8 C
OUT
IO9
C
IO1
6
61 62 63
64
65
66 67 68 69
6
61 62 63
64
65
66 67 68 69
32 33 34 35 36 37 38
32 33 34 35 36 37 38
IO13 C IO14 IO15 C IO16
UIO
24VDC
C
IO6 IO7
C
IO8 C
OUT
IO9
C
IO1
6
61 62 63
64
65
66 67 68 69
24 VDC
6
61 62 63
64
65
66 67 68 69
75 mA
1.8 W
Voltage Auxiliary
IO11 C IO12
7
71 72
7
71 72
Voltage Auxiliary
Max 75 mA across all
auxiliary power outputs
1.8 W
IO11 C IO12
7
71 72
24 VDC
7
71 72
75 mA
1.8 W
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