Honeywell CENTRA LINE MERLIN NX Series Installation & Commissioning Instructions page 7

MERLIN NX ROOM CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
*OPTIONAL FUSE (TO PROTECT CONTROLLER'S INTERNAL
TRANSFORMER, WHICH HAS ONLY A NON-RESETTABLE FUSE).
CLCMTR40x/TR42x
LIGHT
WALL MODULE
I/O
22
°C
20 21 22 23 24
WM1 WM2 24V~ C2+ C2-
1 2 3 4
L N 24V~ 24V0
L N
230 V
F1*
CLCMTR40x/TR42x
WALL MODULE
22
°C
20 21 22 23
WM1 WM2 24V~
C2+
1 2 3
24V~
L N
L N
230 V
Fig. 9. RS4N example wiring (230-V model) (with actuator powered by extra transformer)
PROP. PROP.
COOL HEAT
25
26 27 28 29
24V0 AO1 24V~ GND AO2 AO3
5 6 7 8 9
TN T~ T01 TN T02
THERM. THERM.
N TIN
COOL HEAT
Fig. 8. RS4N example wiring (230-V model)
24V~
PROP.
DAMPER
GND
ACTUATOR
LIGHT
I/O
24 25 26 27 28
24V0 24V~
C2- AO1 GND
4 5 6 7
24V0 T01
TN T~
THERM.
COOL
F1
24V0 24V~
N L
LINE VOLTAGE
30 31 32 34 35
24V~ GND UI1 GND UI2
10 11 12
RO4 IN4 RN
ELECTR.
RIN N
REHEATER
L N
LINE VOLTAGE
CLCM2T WALL MODULE
0...10V
1 2
TEMP SETP COM
31 32 33 34 35 36
24V~
GND AO4 UI1 GND UI2
8 9 10 11
TN T02 RO4 IN4
THERM. ELECTR.
HEAT REHEATER
7
24 25 26
RS485-1
COACH NX
EAGLEHAWK NX
J1 J8
1 2
OCCUPANCY
CONTACT
BACnet MS/TP
36 38 39 40 41
GND UI4 C1+ C1-
13 14 15 16 17 18 19
RN IN1 RO1 IN2 RO2 IN3 RO3
3-SPEED
N FIN
FAN
N L
RS485-1
COACH NX
EAGLEHAWK NX
J1 J8
3
1 2
OCCUPANCY
CONTACT
BACnet MS/TP
37 38 39 40 41
UI3 GND UI4 C1+ C1-
12 13 14 15 16 17 18 19
RN RN IN1 RO1 IN2 RO2 IN3 RO3
3-SPEED
FAN
EN1Z-1035GE51 R0420
27 28 29 30 31 32
42
GND 8 7 6 5 4 3 2 1
RJ45 INTERFACE
7 8 4
2,3,
5,6
24 25 26 27 28 29 30 31 32
42
GND 8 7 6 5 4 3 2 1
RJ45 INTERFACE
7 8 4
2,3,
5,6