GOK HS-V.2, Руководство по сборке и эксплуатации

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Membrane controlled anti-siphon device
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NOTE
4. If the density of the operating medium is greater than 860 kg/m³ , a conversion to
the corrected height setting HA is required. A higher vacuum is generated in the
liquid column p
o,g
. The density of the stored operating medium must be known.
Ask your mineral oil merchant. If the safety level is not corrected, there is no
protection against siphoning.
Set the safety level HA as follows:
860
*
Fuel
X
HA

 


X in m

Fuel
in kg/m³
NOTE
If the density of the operating medium is less than 820 kg/m³ the setting for the
safety level can be reduced when HA* has been determined. This is beneficial in case
of larger height differences to reduce the vacuum in the suction line.
5. To check the anti-siphon device, refer to FUNCTION CHECK. *)
*) Is not an element of the technical description for the general technical approval.
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OPERATION
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Figure 3: Adjusting the anti-siphon device with the handwheel
Reading
position
"Ventilate"
Operation, e.g.
HA = 2 m
"Block". e.g.
maintenance
Seal
NOTE
When the specified closing moment is reached, the handwheel can be turned
freely.
When the supply system is running, the product may not be operated at the following
positions:
"Ventilate": The anti-siphon device is deactivated, the suction line is not protected.
"Block": The anti-siphon device is blocked and does not open in case of a vacuum. This
position enables maintenance work to be carried out on the suction line, for example.
NOTE
Never start the burner pump in the "block" position.
The burner pump may be damaged or it can become too hot and malfunction.
1. Make sure that the burner pump runs only in the "operation" position.
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