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13 Commissioning
1
2
3
8. Put on cover of actuator 3.
9. Tighten cover 3.
10. Put on protective caps 1.
ð Limit switches are set.
12.2 Setting the limit switch for 2070, 4100, 4200
The motorized actuator versions 2070, 4100 and 4200 are
supplied in the open position.
The "OPEN" and "CLOSED" end positions are set using limit
switches. These are actuated using the levers and can be ad-
justed by loosening the 2 screws.
Incorrectly adjusted limit switch!
▶ Actuator continues running.
▶ Damage to the actuator.
Do not move the limit switch too far outwards.
●
Versions 00, 0E, 0P:
–
The actuator is not reversible, i.e. it must be held
briefly when switching over from "OPEN" to "CLOSED"
or "CLOSED" to "OPEN".
–
For the above actuator types, overall height 1 applies.
Versions A0, AE, AP, E1, E2:
–
The actuator is reversible, i.e. it can be switched dir-
ectly from "OPEN" to "CLOSED". To this end, a dead
zone of 200 ms is integrated into the electronic sys-
tem, i.e. when switching over, the actuator does not
run for this time.
–
Independent of the supply voltage, the OPEN/CLOSE
control is freely selectable via a mains supply of 24 V
DC, 24 V AC up to 250 V AC or operated directly via a
PLC.
–
An electronic current limitation limits the torque.
–
For the above actuator types (except for code 2070),
overall height 2 applies.
GEMÜ 768
CAUTION
Risk of electric shock
▶ Risk of injury or death (if operating
▶ Adjustments are made with the actu-
▶ Electric shock can cause severe burns
●
●
13 Commissioning
ü The product is installed in piping.
ü The product is connected electrically.
ü Limit switches on the product are set.
1. Check the tightness and the function of the product (close
and reopen the product).
2. Flush the piping system of new plant and following repair
work (the product must be fully open).
ð Harmful foreign matter has been removed.
ð The product is ready for use.
3. Commission the product.
28 / 40
DANGER
voltage is higher than safe extra low
voltage).
ator cover removed.
and fatal injury.
Always disconnect the product from
power supply!
Therefore, have all work performed
only by qualified electricians.
www.gemu-group.com
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