9
reflex ’servitec’
Installation
Electrical connection
Electrical cabling and connection must be performed by a qualified electrician according to the applicable local
(EVU) and VDE regulations.
Pull the mains plug or de-energise the system before commencing work on
electrical components.
Comprehensive electrical connection diagrams are enclosed with these instructions
and must be adhered to.
The following information applies only to standard systems and is largely restricted to the connections required
by customer.
– loosen 4 cross-recess screws on the switching cabinet (13)
– open lid
– pass all cables to be connected through the PG screw connection.
Attention!
Use only PG screw connections suitable for the appropriate cable.
– connect all cables (refer to the following and electrical wiring diagram).
– for on-site protection, observe the connected loads on p. 23.
Overview wiring diagram on the circuit board
J2 terminals 7/8 (fourth
from the left) occupied
→
Contact water meter
can be evaluated
Designation
Terminal Signal Remarks
Feed
X0 / 1 L
- wiring on the terminal block next to the fuses
(230 V)
X0 / 2 N
- ’servitec’ is ready cabled with earthing plug
X0 / 3 PE
Feed
X0 / 1 L1
(400 V)
X0 / 2 L2
X0 / 3 L3
- feed on-site
X0 / 4 N
X0 / 5 PE
Make-up (4)
4
Y1
(230 V)
5
N
- is connected
6
PE
Water deficiency
43
+24V DC - pass cable of the water deficiency switch (16)
switch (16)
45
through the M16 screw connection
for dry operation
- pull plug from the circuit board and connect the
protection
the cable of the water deficiency switch on the
outside in each case. Plug in the plug. The
terminals 43 and 45 must be occupied. Polarity
need not be observed.
Dry operation pro-
13
- to be cabled by customer (optional)
tection (floating)
14
Pump (230 V)
15
M1
'servitec 35 - 95'
16
N
- is connected
17
PE
Pump (400 V)
- is connected,
'servitec 120'
→ electrical wiring diagram
