38 appendix – Nortec ME Direct Feed User Manual

Page 38

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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

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