Status Messages on the Display of the SP-Guard
The number of operating hours is constantly indicated on the display.
Through the display selector key it is possible to query either the oil tempera-
ture (Oil temp), the power supply voltage (Power Sup.) and the vibration sig-
nal (Vibration).
In the case of a shutdown, the reason for the shutdown is displayed.
4.2.2 Gas Ballast Operation
(only for certain pump versions, see Section 1.4)
The gas ballast valve is used for the purpose of avoiding condensation within
the pump. To be effective, this requires the pump to attain its operating tem-
perature.
When actuating the gas ballast valve wear gloves since increased tempera-
tures are present within the cover.
In case the power supply for the pump fails or if the pump is to be shut
dow, a possibly present external gas feed from the side of the system must
be stopped.
Observe safety informations 0.4.4 and 0.4.5.
Manually operated gas ballast valve
A 90° turn of the knob will suffice for completely actuating the gas ballast
valve, the gas ballast valve is either open or closed, see fig. on top.
Electro-pneumatic gas ballast valve
See Fig. 3.11 to 3.12. The valve is normally closed.
CAUTION
Gas ballast valve
“CLOSED”
Gas ballast valve
“OPEN”
Fig. 4.3 Manually operated gas ballast valve
To actuate the gas ballast valve, an
opening with a blank stopper is
provided in the cover.
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