10
reflex ’servitec’
Installation, initial start-up
External make-up signal only for ’servitec levelcontrol’
Use in systems with pump or compressor-controlled pressure maintenance. Make-up of ’servitec levelcontrol’ is
controlled by way of an external signal:
– pass the control cable for make-up through the appropriate screw connection (M16 or M20).
– connect cable.
Once all connections have been established, close switching cabinet door, tighten the four screws of the
switching cabinet door and establish the power supply. The system version will appear in the display.
The ’servitec’ control is now ready for initial start-up.
Designation
Terminal Signal Remarks
external make-up
22a
only with ’servitec levelcontrol’
control
22b
- floating input for external
230 V make-up signal
- cable example:
Aggregate mes-
23
NC
sage (floating)
24
COM
- to be wired by customer (optional)
25
NO
Contact water
43
+24 V DC - to be cabled by customer, additionally connect the
meter (optional)
44
E1
the pins 7/8 on the jumper block J2
(see above figure)
Pressure
39
+18 V
transducer (2)
41
AE
- is connected
42
PE
We recommend that you have the following operations and the induction of the operating personnel carried
out by your Reflex service (→ p. 21, chargeable service according to the applicable gross price list).
– The installation of the ’servitec’ including vacuum spray-tube has been completed.
– The water connection to the system has been established.
– System pressure maintenance is in operation.
– The connection system is at least roughly bled.
– The system has been connected to the electrical mains system according to the applicable VDE and local EVU
regulations.
Start-up requirements
'servitec'
230 V
22a
22b
'reflexomat'
4 (Y1)
5 (N)
