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10 Electrical connection
Risk of electric shock
▶ Risk of injury or death (if operating
voltage is higher than safe extra low
voltage).
▶ Electric shock can cause severe burns
and fatal injury.
Work on electrical connections only by
●
qualified trained personnel.
Disconnect the cable from the power
●
supply before making the electrical
connection.
Connect the protective earth con-
●
ductor.
AC voltage
▶ Solenoid valve will be destroyed by wrong plug.
Solenoid valves used with AC voltage may only be oper-
●
ated with a plug with a built-in rectifier.
1. Insert the cable through the locking screw 1, the pressure
ring 2, the seal 3 and the housing of the plug 4.
Supply voltage
1
2
Item
1
Supply voltage
2
Supply voltage
Protective earth conductor (PE)
2. Connect the cable to the relevant terminals on the terminal
block.
3. Push the terminal block into the housing of the plug (acc.
to DIN EN 175301-803, previously DIN 43650) until it aud-
ibly clicks in position.
4. Ensure that the cable is not caught.
5. Tighten the locking screw on the plug.
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DANGER
CAUTION
4
3
2
1
Name
4
6. Push the plug 2 and the gasket 3 onto the valve actuator
4.
7. Tighten the fixing screw 1 with a torque of approx. 0.6 Nm.
▶ If the torque is too high the thread may be stripped.
11 Commissioning
Medium flowing out
▶ Danger from medium flowing out.
Before commissioning make sure that there is no danger
●
from medium flowing out.
Before commissioning check the tightness of the media
●
connections.
Operating pressure too high
▶ The valve cannot be opened electromagnetically if the op-
erating pressure is too high.
Foreign matter
▶ Damage to the valves.
If the plant is new and after repairs, rinse the piping sys-
●
tem with the valves fully open.
ð The plant operator is responsible for selecting the clean-
ing material and performing the procedure.
1. Make sure that the operating voltage corresponds with the
permissible valve voltage.
2. Make sure that the unit is installed properly.
3. Check the function of the solenoid valve.
4. Check the tightness of the media connections and the
solenoid valve itself.
12 Operation
During normal operation there is no need for adjustments at
the valve.
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NOTICE
CAUTION
NOTICE
CAUTION
12 Operation
GEMÜ 202
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