Pfeiffer Vacuum A 1204H, Operating Instructions Manual

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Operation
31
6 Operation
The following steps describe the use when the pump is locally controlled: the [CON-
TROL MODE] is [HHR] . For other control modes, please refer to Control Interfaces
(see 8) for instructions on how to wire and set the parameters of the other interfaces.
6.1 Prerequisites to use
Pumping of pyrophoric or flammable gases could create hazardous situations. The user
and/or the integrator must respect safety instructions
(see 2.2) .
Before each pump start-up:
Check that the pump inlet is connected to the pumping line.
Check that oil levels of housings are visible in the middle of the sight glasses (see
5.2.2) .
Switch on the supplies of cooling water and nitrogen.
Switch on the electrical supplies.
Check that exhaust pipe line is not clogged and that all the valves in the exhaust sys-
tem are open.
Check that cover plug is connected on emergency stop connector or is wired into the
equipment’s emergency stop system.
6.2 Pump start-up
6.2.1 Switch on
Position the main switch to I position. The white Pow-
er indicator lights on, the HHR displays the status of the
pump (see 4.3.2) .
Take the pump control via the CONT. key: HHR flashes
on the display.
WARNING
Risk associated with process gases
The user and/or integrator of the product is/are fully responsible for the operational safe-
ty conditions of the equipment. The manufacturer has no control over the types of gases
this pump is exposed to. Frequently process gases are toxic, flammable, corrosive, ex-
plosive and/or otherwise reactive. It is the user and/or the integrator's responsibility to
follow the necessary safety requirements. Toxic gases can cause serious injury or
death. Operators and users must:
Take the appropriate safety recommendations to prevent injury. Consult the respon-
sible department for instructions and safety information.
Hazardous gases from the pump can cause serious injury or death. Regula-
tions require to connect the pump’s exhaust to a facility hazardous gas ex-
haust system
which incorporates appropriate filters, scrubbers, etc. This system
must meet all air and water regulations.
Check that the pump is correctly connected to the equipment (see
Installation ).
Contact the service center for further information.
185h
PUMPING STOPPED
05/09/16 10:10 HHR R P