MERLIN NX ROOM CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
9 EN1Z-1035GE51 R0420
8 7 65 4 3 21
RJ45 INTERFACE
30
WM1
31
WM2
32
AO1
43
24V~
44
24V~
41
GND
46
GND
48
UI2
50
UI3
52
GND
54
UI6
56
UI7
58
GND
60
UI10
1
COM
2
TEMP
3
SETP
4
BYP
6
NC
7
NC
47
UI1
49
GND
51
UI4
53
UI5
55
GND
57
UI8
59
UI9
61
GND
34
AO2
40
AO5
42
AO6
PROP.
COOL
THERM.
HEAT
FLOATING
COOL
ELECTR.
REHEATER
3-SPEED
FAN
24VAC
OUTPUT
PROP.
HEAT
Pt1000
1
L
2
N
5
24V~
6
24V0
7
TN
NL
N TIN RIN NN FIN
16
RO4
17
IN4
8
T~
9
T01
10
TN
11
T02
12
T03
13
TN
14
T04
18
RN
19
RN
20
IN1
21
RO1
22
IN2
23
RO2
24
IN3
25
RO3
OCC. CONTACT
7 8
2,3,
5,6
5
LED
62
C1+
63
C1-
64
GND
BACnet MS/TP
4
22
°C
230 V
F1*
*OPTIONAL FUSE (TO PROTECT CONTROLLER‘S INTERNAL
TRANSFORMER, WHICH HAS ONLY A NON-RESETTABLE FUSE).
LINE VOLTAGE
N NL L
29
24V~
39
24V~
35
24V~
37
GND
33
GND
26
C2+
27
C2-
LIGHT
I/O
28
24V0
BACnet WiFi
ADAPTER
RJ45
PLUG
COACH NX
CLCMTR40x/TR42x
WALL MODULE
CLCM4T,5T,6T111 WALL MODULE
Fig. 12. RL4N (230-V model) example wiring
2
TEMP
3
SETP
4
BYP
6
NC
7
NC
5
LED
8 7 65 43 2 1
RJ45 INTERFACE
30
WM1
31
WM2
32
AO1
33
GND
35
24V~
39
24V~
43
24V~
44
24V~
37
GND
41
GND
46
GND
48
UI2
50
UI3
52
GND
54
UI6
56
UI7
58
GND
60
UI10
47
UI1
49
GND
51
UI4
53
UI5
55
GND
57
UI8
59
UI9
61
GND
34
AO2
40
AO5
42
AO6
THERM.
HEAT
FLOATING
COOL
ELECTR.
REHEATER
3-SPEED
FAN
Pt1000
24V~
24V0
5
24V~
6
24V0
7
TN
N L
16
RO4
20
IN1
21
RO1
22
IN2
23
RO2
24
IN3
25
RO3
OCC. CONTACT
7 8
2,3,
5,6
62
C1+
63
C1-
64
GND
BACnet MS/TP
4
17
IN4
1
L
2
N
NL
8
T~
9
T01
10
TN
11
T02
12
T03
13
TN
14
T04
18
RN
19
RN
1
COM
22
°C
24V~
GND
0...10V
LINE VOLTAGE
230 V
F1
PROPORT.
DAMPER
ACTUATOR
29
24V~
26
C2+
27
C2-
LIGHT
I/O
28
24V0
BACnet WiFi
ADAPTER
RJ45
PLUG
COACH NX
CLCM4T,5T,6T111 WALL MODULE
CLCMTR40x/TR42x
WALL MODULE
Fig. 13. RL4N (230-V model) example wiring (with actuator powered by extra transformer)