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12 Commissioning
Electrical connection with the connecting cable integ-
●
rated into the solenoid coil (cable ends suitable for screw
clamp connections) in the safe area or in the potentially
explosive area with permissible equipment protected
from explosion (e.g. terminal box with type of ignition pro-
tection Increased Safety "e" as per EN 50019).
When screwing in the connecting wires, make sure that
●
the cable ends fit completely into the connecting clamp.
Connecting wires and cables should not be bent sharply
●
in order to avoid short circuits and breaks.
11.2 M12 plug (code 02, 03)
11.2.1 Pin assignment
2
3
5
1
4
Plug assignment X1 (A-coded)
Pin
1
n.c.
2
n.c.
3
Uv, GND
4
Uv, 24 V DC supply voltage
5
n.c.
11.3 Manual override (option)
Fig. 4: Manual override
The pilot solenoid valves are equipped with a manual override
as an option.
Only actuate the manual override in case of malfunction!
To activate / lock the manual override:
1. Turn red button 90° clockwise with a screw driver.
2. To unlock turn it 90° anti-clockwise with a screwdriver.
GEMÜ 0326
NOTICE
Signal name
12 Commissioning
Protect against leakage!
●
●
Prior to cleaning or commissioning the plant:
1. Check the tightness and the function of the pilot solenoid
valves.
2. If the plant is new and after repairs blow out the piping
system with a fully opened pilot solenoid valve (to remove
any harmful foreign matter).
Cleaning:
- The plant operator is responsible for selecting the cleaning
material and performing the procedure.
14 / 19
CAUTION
Check the tightness of the media con-
nections prior to commissioning!
Provide precautionary measures
against exceeding the maximum per-
mitted pressures caused by pressure
surges.
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