
MERLIN NX ROOM CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
EN1Z-1035GE51 R0319
8
8 7 6 5 4 3 2 1
RJ45 INTERFACE
20
WM1
21
WM2
26
AO1
32
GND
34
UI1
36
UI2
37
UI3
1
TEMP
2
SETP
29
AO2
30
AO3
33
AO4
PROP.
COOL
THERM.
COOL
THERM.
HEAT
ELECTR.
REHEATER
3-SPEED
FAN
PROP.
HEAT
CLCMTR40x/TR42x
WALL MODULE
3
24V~
5
TN
N
N
TIN
L
RIN
N
N
FIN
10
RO4
11
IN4
14
IN1
15
RO1
16
IN2
17
RO2
18
IN3
19
RO3
OCCUPANCY CONTACT
28
GND
27
24V~
31
24V~
39
UI4
35
GND
38
GND
40
C1+
41
C1-
42
GND
7 8
2,3,
5,6
4
4
24V0
6
T~
7
T01
8
TN
9
T02
12
RN
13
RN
3
COM
22
°C
LINE VOLTAGE
F1
LINE VOLTAGE
N
N
L
L
CLCM2T WALL MODULE
Niagara
workbench
24 25 26
27 28 29 30 31 32
24V
-0
24
V~
1
GND1
48
5-
1+
48
5-
1-
n.
a.
n.
a.
GND2
48
5-
2+
48
5-
2-
n.
a.
2
J1
J8
RS2
32
RS485-1
EN
D
BI
AS
MI
D
EAGLEHAWK NX
BACnet MS/TP
Fig. 10. RS5N example wiring (24-V model)
8 7 6 5 4 3 2 1
RJ45 INTERFACE
20
WM1
21
WM2
26
AO1
32
GND
34
UI1
36
UI2
37
UI3
1
TEMP
2
SETP
29
AO2
30
AO3
33
AO4
THERM.
COOL
THERM.
HEAT
5
TN
OCCUPANCY CONTACT
28
GND
27
24V~
31
24V~
39
UI4
35
GND
38
GND
40
C1+
41
C1-
42
GND
7 8
2,3,
5,6
4
24V~
0...10V
ELECTR.
REHEATER
3-SPEED
FAN
10
RO4
11
IN4
14
IN1
15
RO1
16
IN2
17
RO2
18
IN3
19
RO3
3
24V~
4
24V0
N
L
24V~
24V0
N
L
6
T~
7
T01
8
TN
9
T02
12
RN
13
RN
3
COM
CLCMTR40x/TR42x
WALL MODULE
22
°C
LINE VOLTAGE
LINE VOLTAGE
F1
PROPORT.
DAMPER
ACTUATOR
GND
CLCM2T WALL MODULE
Niagara
workbench
24 25 26
27 28 29 30 31 32
24V
-0
24V
~
1
G
ND1
48
5-
1+
485-
1-
n.
a.
n.
a.
G
ND2
48
5-
2+
485-
2-
n.
a.
2
J1
J8
RS
2
32
RS485-1
EN
D
BI
A
S
MI
D
EAGLEHAWK NX
BACnet MS/TP
Fig. 11. RS5N example wiring (24-V model) (with actuator powered by extra transformer)