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Honeywell CENTRA LINE MERLIN NX Series Installation & Commissioning Instructions page 9

Room controller
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MERLIN NX ROOM CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
*OPTIONAL FUSE (TO PROTECT CONTROLLER'S INTERNAL
TRANSFORMER, WHICH HAS ONLY A NON-RESETTABLE FUSE).
CLCMTR40x/TR42x
WALL MODULE
LIGHT
I/O
22
°C
28
26
27
29
30
31
C2+
C2-
24V0
24V~
WM1
WM2
33
GND
1
2
5
L
N
24V~
24VAC
OUTPUT
L
N
230 V
F1*
CLCMTR40x/TR42x
LIGHT
I/O
26
27
28
29
24V0
24V~
C2+
C2-
1
2
L
N
L
N
230 V
Fig. 13. RL4N (230-V model) example wiring (with actuator powered by extra transformer)
CLCM4T,5T,6T111 WALL MODULE
1
PROP.
PROP.
COM
COOL
HEAT
32
34
40
42
44
AO1
AO2
AO5
AO6
24V~
35
39
43
37
41
24V~
GND
24V~
GND
24V~
6
7
8
9
10
11
24V0
TN
T~
T01
TN
T02
THERM.
N
TIN
HEAT
Fig. 12. RL4N (230-V model) example wiring
24V~
PROPORT.
0...10V
DAMPER
GND
ACTUATOR
WALL MODULE
22
°C
30
31
32
34
40
42
WM1
WM2
AO1
AO2
AO5
AO6
33
35
37
39
41
GND
24V~
GND
24V~
GND
5
6
7
8
9
10
24V~
24V0
TN
T~
T01
TN
THERM.
HEAT
F1
24V0
24V~
N
L
LINE VOLTAGE
3
5
6
2
4
TEMP
SETP
BYP
LED
NC
46
48
50
52
54
GND
UI2
UI3
GND
UI6
47
49
51
53
UI1
GND
UI4
UI5
12
13
14
16
17
T03
TN
T04
RO4
IN4
FLOATING
ELECTR.
RIN
COOL
REHEATER
L
LINE VOLTAGE
CLCM4T,5T,6T111 WALL MODULE
1
2
3
4
5
COM
TEMP
SETP
BYP
LED
44
46
48
50
52
24V~
GND
UI2
UI3
GND
43
47
49
51
24V~
UI1
GND
UI4
UI5
11
12
13
14
16
T02
T03
TN
T04
RO4
FLOATING
ELECTR.
COOL
REHEATER
9
COACH NX
7
NC
OCC. CONTACT
Pt1000
BACnet MS/TP
56
58
60
62
63
UI7
GND
UI10
C1+
C1-
GND
55
57
59
61
GND
UI8
UI9
GND
18
19
20
21
22
23
24
RN
RN
IN1
RO1
IN2
RO2
IN3
RO3
3-SPEED
N
N
FIN
FAN
N
N
L
COACH NX
6
7
NC
NC
OCC. CONTACT
Pt1000
BACnet MS/TP
54
56
58
60
62
63
UI6
UI7
GND
UI10
C1+
C1-
53
55
57
59
61
GND
UI8
UI9
GND
17
18
19
20
21
22
23
24
IN4
RN
RN
IN1
RO1
IN2
RO2
IN3
3-SPEED
FAN
EN1Z-1035GE51 R0420
BACnet WiFi
ADAPTER
RJ45
PLUG
64
8 7 6 5 4 3 2 1
RJ45 INTERFACE
7 8
4
2,3,
5,6
25
BACnet WiFi
ADAPTER
RJ45
PLUG
64
GND
8 7 6 5 4 3 2 1
RJ45 INTERFACE
7 8
4
2,3,
5,6
25
RO3

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