Burkert Type 5281 User Manual
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insTallaTiOn
7.
safety instructions
7.1.
Danger!
Risk of injury from high pressure in the equipment!
Before loosening the pipes and valves, turn off the
•
pressure and vent the pipes.
Risk of injury due to electrical shock!
Before reaching into the device or the equipment,
•
switch off the power supply and secure to prevent
reactivation!
Observe applicable accident prevention and safety
•
regulations for electrical equipment!
Warning!
Risk of injury from improper installation!
Installation may be carried out by authorized techni-
•
cians only and with the appropriate tools!
Risk of injury from unintentional activation of the
system and an uncontrolled restart!
Secure system from unintentional activation.
•
Following assembly, ensure a controlled restart.
•
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before installation
7.2.
Installation position:
Installation can be in any position.
Preferably: Actuator upright
Prior to installation check pipelines for dirt and, if
→
required, clean.
Dirt filter: To ensure that the solenoid valve functions
reliably, a dirt filter (≤ 500 µm) must be installed in front of
the valve inlet.
installation
7.3.
Hold the device with a suitable tool (open-end wrench)
→
on the housing and screw into the pipeline.
note!
Caution risk of breakage!
Do not use the coil as a lifting arm.
•
Observe direction of flow:
→
The arrow on the housing indicates the direction of flow
(no function in opposite flow direction) !
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manual emergency actuation
7.4.
(optional)
To manually actuate the valve, the lever under the coil must
be turned into a vertical position.
note!
Caution!
Do not overturn the lever!
•
When the hand lever is actuated, the valve can no
•
longer be switched electrically.
Hand lever
Manual emergency actuation
Fig. 2:
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Electrical connection of the
7.5.
cable plug
Danger!
Risk of injury due to electrical shock!
Before reaching into the device or the equipment,
•
switch off the power supply and secure to prevent
reactivation!
Observe applicable accident prevention and safety
•
regulations for electrical equipment!
If the protective conductor is not connected, there is a
risk of electric shock!
Always connect protective conductor.
•
Check electrical continuity between coil and housing.
•
max. 1 Nm
Authorized cable plug
e.g. Type 2508 or other suitable
cable plug in accordance with
DIN ISO 175301-803 Form A
Seal
Electrical connection of the cable plug
Fig. 3:
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Type 5281 EV