
48
Mounting and installation work
ACCESSORY BOARD
REMOTE BOARD
BMS
LinkUp
SAB
3V
CR2032
BAT
SD
J7
J4
J8
J11
(USB)
(RJ45)
GND
+
–
GND
+
–
GND
+
–
24V
GND
DRAIN
VALVE 2
F1
SW1
F2
MAINS SUPPLY
L N SC1SC2PEPE
MODULE B
24VDC
LEVEL
UNIT
POWER
BOARD
DRAIN
VALVE 1
INLET
VALVE
PWR
SUPPLY
BLOWER
LIMIT
ENABLE
CONTROL
V+
X8
X9
X12
X11
X10
X7
X1
INGND IN GND
24V IN
24V IN
24V GND
RS485-1
RS485-2
PWRIC
CONT-
ACTOR
HEAT GR.
2+3
JP2
JP1
PUMP
AC
SWITCH
GND
D–
D+
GND
D–
D+
24V
GND
H1
Error
1 2 3
Service
4 5 6
Steam
7 8
Unit On
9 10
H2
Hyg. Valve A
FAN B
1 2 3
Hyg. Valve B
4 5 6 7 8
FAN A
9 10
L1 L2 L3
L1 L2 L3 GND
K1
Q3
F3
208 - 600 V/3~/50..60 Hz
208 - 600 V/1~/50..60 Hz
L1 N
GND
Q3
F3
L1 L2 L3
K2
B3
B2
B1
+ –
A1
A4
140Ω...10kΩ
A2
On/Off
A3
GND (3)
IN (4)
GND (3)
IN (4)
V+ (6)
IN (4)
V+ (6)
JP1
JP2
24VAC External Safety Loop Control signal (GND) Control signal (IN) Limit signal (IN) Control signal (V+) Limit signal (GND) Safety circuit BP Safety circuit BP
1 2 3 4 5 6 7 8 9
+ –
J3
XE2
XE1
T1
M
L1
N
PE
T2
J1
Y
Z
5.8.2 Wiring diagram Nortec RS - Small and Medium units
Fig. 25: Wiring diagram Nortec RS - Single units Small and Medium
Control compartment
Control board
Driver board
A1 Continuous humidity controller (active) or humidity sensor
A2 Ohmic humidity controller (passive), set jumper JP1 and remove jumper JP2
A3 On/Off humidity controller, set jumper JP2 and remove jumper JP1
A4 Limiter signal
B1 Ventilation interlock
B2 Airflow monitor
B3 Safety humidistat
F1 Internal fuse 24V supply (1 A, slow acting)
F2 Internal fuse 230V supply (6.3 A, slow acting)
F3 External fuse heating voltage supply (see table in
F4 External fuse control voltage (max. 10 A, slow acting)
F5 Internal fuse control module (200 mA, quick acting)
J1 Jumper wire, if no blower pack is connected
J3 Jumper wire, if no monitoring devices are connected to SC1 and SC2
J4 Jumper for activating the terminating resistor for Modbus network (Jumper
must be connected, if Nortec RS is the last unit in the Modbus network)
J7 Jumper for activating Modbus or BACnet MSTP communication via RS485
interface (J6). If jumper is not in place no communication will take place through
the RS485 interface
K1 Mains contactor (heating voltage)
K2 External safety circuit (safety humidistat, airflow monitor, etc.)
M
Motor Blowepack
Q3 External main switch heating voltage supply
Q4 External main switch control voltage supply
SW1 Rotary switch module identification (must be left on position "0")
T1 Tranformer control voltage supply Module A
T2 Transformer blower pack supply
XE1 Supply voltage terminal block
XE2 Control terminal block
Options
RS 485 BACnet MSTP
Ethernet (RJ45) IP-Netzwerk / BMS BACnet IP