Nortec ME Direct Feed - Manual (Page 37)

37 Appendix
9 Appendix
9.1 Wiring diagram Nortec ME Direct Feed with stage control
A1 I/O board
B1 Demand signal 0...10V or 2...10V
F1 External fuse mains supply (10 A, slow acting)
F2 Internal fuse mains supply (6.3 A, fast acting)
JP1 Jumper control signal (Jumper fitted on 0..10V)
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
XR Terminals 24V valves
XS Ground terminals valves
Fig. 10: Wiring diagram Nortec ME Direct Feed with optional stage control unit
LED 2 LED 1 S1
T1
A1
R1
JP1
XS
XR
XE1
RELAY1 RELAY2 RELAY3 RELAY4 RELAY5 RELAY6 RELAY7 RELAY8
PE L N
F1
Q
B1
PMC-24V100W1AA
NC NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC NO C NC NO C
STG
SEQ
OFF
OFF
ON
STG
SEQ
OFF
OFF
ON
STG
SEQ
OFF
OFF
ON
STG
SEQ
OFF
OFF
ON
STG
SEQ
OFF
OFF
ON
STG
SEQ
OFF
OFF
ON
STG
SEQ
OFF
OFF
ON
STG
SEQ
OFF
OFF
ON
0-10
24V 0V 0V IP
2-10
– +
100...240 V/1~/50..60 Hz
P/PI
N L
PE N L
NF
L N
F2
S2
A1 15 Y1
18 16 A2
Toff
Ton
1-10min
10-100h
2
3
Purge valve Drain valve
Inlet valve
Stage valve 2 Stage valve 3 Stage valve 4 Stage valve 5
Control unit