Nortec ME Direct Feed - Manual (Page 38)

38 Appendix
9.2 Wiring diagram Nortec ME Direct Feed with optional On/Off control unit
A1 I/O board
B1 On/Off controller
F1 External fuse mains supply (10 A, slow acting)
F2 Internal fuse mains supply (6.3 A, fast acting)
LED 1 LED white (control unit switched ON)
LED 2 LED green (humidification ON)
NF Mains filter
Q External electrical isolator
R1 Timer purge valve
S1 Humidification On/Off switch
S2 On/Off switch control unit
T1 24V power supply
XE1 Terminal mains supply voltage
XE2 Terminal valves and On/Off controller
XR Terminals 24V valves
XS Ground terminals valves
Fig. 11: Wiring diagram Nortec ME Direct Feed with optional On/off control unit
A1 15 Y1
18 16 A2
Toff
Ton
1-10min
10-100h
2
3
ON/Off
LED 2 LED 1 S1
T1
XS XE1
B1
PE L N
F1
Q
PMC-24V100W1AA
100...240 V/1~/50..60 Hz
N L
PE N L
NF
L N
F2
S2
XE2
R1
3 2 1 4
Drain valve
Inlet valve
Purge valve
Control unit