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7 Manufacturer's information
7.1 Delivery
● Check that all parts are present and check for any damage
immediately upon receipt.
The product's performance is tested at the factory. The scope
of delivery is apparent from the dispatch documents and the
design from the order number.
7.2 Transport
1. Only transport the product by suitable means. Do not drop.
Handle carefully.
2. After the installation dispose of transport packaging ma-
terial according to relevant local or national disposal regu-
lations / environmental protection laws.
7.3 Storage
1. Store the product free from dust and moisture in its ori-
ginal packaging.
2. Avoid UV rays and direct sunlight.
3. Do not exceed the maximum storage temperature (see
chapter "Technical data").
4. Do not store solvents, chemicals, acids, fuels or similar
fluids in the same room as GEMÜ products and their spare
parts.
www.gemu-group.com
8 Assembly and operation
Functional impairment of the solenoid valve by contamin-
ated media!
▶ The solenoid valve will cease to open or close if the con-
trol apertures are blocked or if the armature is blocked by
dirt.
The piping system should be cleaned before installing the
●
solenoid valve.
Fit a strainer with a mesh size of ≤ 0.25 mm in front of the
●
valve inlet if the media are contaminated.
Switch the solenoid valve at least once a month.
●
Destruction of the solenoid valve by freezable medium!
▶ The solenoid valve is not frost-protected.
Solenoid valves using freezable media should only be op-
●
erated above freezing point.
Danger from flow contrary to flow direction!
▶ Damage to the solenoid valve.
Only operate the solenoid valve in flow direction.
●
Take precautionary measures in case of expected reverse
●
flow (e.g. check valve).
8.1 Assembly
Do not use the solenoid coil as a lever
▶ If the solenoid coil is used as a lever, the solenoid coil
and bush could be destroyed.
Use only the spanner flats provided to screw the solenoid
●
valve to the piping.
Damage to the valve body
The solenoid valve may only be installed in aligned pipes
●
in order to avoid stresses in the valve body.
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8 Assembly and operation
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
GEMÜ 8257
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