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Example: Actuator version 2070
If manual override is required, take the following steps:
1. Unscrew the blanking cover using a screw driver.
2. Insert crank handle and actuate the actuator by hand.
Crank into the desired valve position (in the direction indic-
ated on label):
Actuator version 2070
Clockwise:
Anticlockwise:
Actuator versions 4100, 4200, 6400
Clockwise:
Anticlockwise:
14 Commissioning
1. Check the tightness and the function of the product
(close and reopen the product). Due to the setting beha-
viour of elastomers, the screws may need to be
retightened following the installation and commissioning
of the valve.
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.
Cleaning agent
▶ Damage to the GEMÜ product.
The plant operator is responsible for selecting the clean-
●
ing material and performing the procedure.
www.gemu-group.com
Blanking cover
for manual
override
Crank handle
for manual
override
OPEN
CLOSED
CLOSED
OPEN
CAUTION
15 Operation
15.1 Setting the limit switches
Risk of electric shock
▶ Risk of injury or death (if operating
▶ Adjustments are made with the actu-
▶ Electric shock can cause severe burns
●
●
Destruction of the actuator!
▶ Do not move the right limit switch too far to the right and
the left limit switch too far to the left, otherwise the actu-
ator will continue running in the end position (i.e. the
limit switch cannot be actuated by the lever and the ac-
tuator continues to run).
Tools required for setting the limit switches:
Allen key SW3
●
Small Philips head screw driver
●
Always switch the limit switch for signal so that the mo-
●
tor switch is actuated first.
ð Limit switches for signal and motor are already preset.
Information for use in damp conditions
▶ The product may only be used outdoors in an area pro-
tected from rain.
▶ The product must be protected from the direct influence
of rainwater.
▶ An enclosure is recommended.
19 / 26
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.
CAUTION
NOTICE
NOTICE
NOTICE
15 Operation
GEMÜ 9468
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