Dismantling
DANGER!
Danger of death due to electric shock!
–
Before opening the housing, disconnect the
unit from the power supply.
–
All work on the open unit may only be car-
ried out by a specialist.
1.
Dismantle the controller in the opposite
sequence to that used for installation; for
more information, see
5 ‘Assembly and dismantling’ on page 23
.
2.
Dispose of the electrical and electronic com-
ponents of the system in accordance with the
guidelines for old electrical and electronic
equipment. If you have any queries, contact
the local authorities responsible.
6
Electrical wiring
Set up electrical wiring
DANGER!
Danger of death due to electric shock!
Ensure that the following conditions are met
when carrying out the works described in this
section:
–
During installation, all cables to the con-
troller must be disconnected from the
mains and cannot be inadvertently con-
nected to the mains!
–
The earth conductors (PE) from the power
supply, pump cables and valve cables are
connected to the terminal block earth con-
ductors.
–
All cables are located so that people
cannot step on them or trip over them.
–
The cables fulfil the requirements specified
in .
–
The local power supply matches the data
on the name plate of the controller.
–
The power supply cable is to be connected
to the mains as follows:
- with a plug to a wall socket or
- via an isolating device for full isolation in
fixed locations
–
The power supply cable is located
according to the legal and local regulations
of the responsible electricity supply com-
pany.
NOTICE!
Danger of damage and malfunction.
–
Only connect components that do not over-
load the inputs and outputs of the con-
troller; for more information, see the name
plate and .
NOTICE!
–
The polarity of signal inputs/outputs 1-4
and R
S
is not fixed during connection.
–
Only temperature probes of the type
Pt1000 are permitted.
–
Probe cables must be located at least 100
mm away from power supply cables.
–
Use shielded probe cables if inductive
sources are present, e.g. high-voltage
cables, radio transmitters, microwave units.
25
Summary of Contents for EFS 25
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