Allocation Of The Clamps; Nea Smart 2.0 Base 24 V - Rehau NEA SMART 2.0 Service Manual

10.3

Allocation of the clamps

10.3.1 NEA SMART 2.0 Base 24 V

T2A
F
L1 L2 L1´ L2´
IN 24V ~ OUT 24V ~ RELAY 1 RELAY 2 RELAY 3 RELAY 4
A B C D E
5 A, Class 2
A
L1 L2
Transformator
24 V AC
G
RZ1
M
Room
Unit
ZOBUS
1 2
Fig. 10-1 Allocation of the clamps - NEA SMART 2.0 Base 24 V
G
RZ1 RZ2 RZ3 RZ4 RZ5 RZ6 RZ7
B
RELAY 1
L1 L2 L1´ L2´
Transformator
24 V Relais
24 V AC
L
230V
N
H
ON DIP
Base Master
1 2 3 4
ON DIP
Base Slave 1
1 2 3 4
ON DIP
Base Slave 2
1 2 3 4
ON DIP
Base Slave 3
1 2 3 4
ON DIP
Base Slave 4
1 2 3 4
R-Module
...
H I
RZ8
DI 1
C
RELAY 2
Boiler
Power supply
A
Relay 1 – pump
B
Relay 2 – boiler
C
Relay 3 – chiller
D
Relays 4
E
Glass tube fuse
F
Room zone 1 – 8
G
DIP switch for SYSBUS address
H
Digital input 1 – 4
–
I L
ZOBUS for R-Modules and Room unit
/
M M'
SYSBUS for U-Module and additional Bases (slaves)
O / O'
Freely configurable
E , J – L
O
SYSBUS
GND 1 2 VDC
J K L M M' O
GND 1
ZOBUS 1 ZOBUS 2
SYSBUS
DI 2 DI 3 DI 4
GND 1
SYSBUS
O
D
RELAY 3
Chiller
U-Module
...
2 VDC
2 VDC
105