6. Operaon
WARNING:
Do not opera
te the dry pumping system with the liing eyebolts ed or with any
enclosure panels removed or damaged. Do not touch any parts of the pump(s) when
the dry pumping system is on. Surfaces of the pumps are very hot and can cause
injury to people.
WARNING:
Do not opera
te the dry pumping system with any enclosures removed or damaged as
there may be a risk of an electric shock.
6.1 Start up
WARNING:
Ensure tha
t it is safe to start the dry pumping system. Failure to do so (for example,
maintenance is being performed on components downstream of the dry pumping
system) could cause injury to people.
WARNING:
Aer the pow
er is applied, all mains circuits will be energised.
CAUTION:
Do not opera
te the pump if the pipeline is restricted or blocked as the pump will not
operate correctly and may be damaged.
1. Switch on the cooling water and purge gas supply.
2. Switch on the electrical supply.
3. Check that the exhaust extracon system is not restricted.
6.1.1 Start, warm‐up and on‐process sequences
Start warm-up and on-process sequences are listed in Table: Start, warm-up and on-
process sequences.
Table 15
Start, warm-up and on-process sequences
Sequence Descripon
Start pump
Sha Seal Purge (SSP) valve is opened.
Pump runs.
07/2021 - ©Edwards Limited
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