Elmo Rietschle L-BV5 Operating instructions - Manual (Page 21)

Operation
© Gardner Denver Deutschland GmbH 21 / 32 610.44440.40.000
7 Operation
 WARNING
Improper handling of the equipment can re-
sult in serious or even fatal injuries!
Have you read the safety notes in chapter 1,
"Safety", page 4 above?
If not then you are not allowed to carry out any
work on or with the equipment!
 WARNING
Hazard in case of overpressure and negative
pressure!
Hazard presented by leaking media!
Hazard presented by moving parts!
The unit may only be started up if:
 the fan guard and cover are fitted.
 the piping is connected to the suction and
discharge connections.
 the piping and connections have been pres-
sure and leak tested.
CAUTION
If the unit runs dry the rotary seals will be de-
stroyed within a matter of seconds.
 DO NOT switch on until the system has been
filled with operating-liquid!
 WARNING
Danger of burns or scalding from hot sur-
faces on the unit and from hot media!
 Do not touch when in operation!
 After shutdown, allow system to cool down!
ATTENTION
Maximum permissible quantity of water carried
along through the inlet connection:
see the table, "Maximum permissible quantity of
water carried along", page 12.
7.1 Operation with supply of the operating-
liquid, automatically controlled opera-
tion
Starting the unit up
 Switch on the power supply.
 The unit will start to draw in the gases / va-
pours to be handled.
 The solenoid valve (item 4, Fig. 8, page 17)
opens and the operating-liquid is supplied.
Switching the unit off:
 Switch off the power supply.
 The unit interrupts suction of the gases / va-
pours.
 The solenoid valve (item 4, Fig. 8, page 17)
closes and supply of the operating-liquid cea-
ses.
 The throttle valve (item 3, Fig. 8, page 17) is
used for setting the operating-liquid flow rate:
during operational shutdown the valve-setting
(i.e. the position of the valve or the cross-
sectional area of the valve that is open) is not
to be changed.
7.2 Operation with supply of the operating-
liquid, non-automatic control of opera-
tion
Starting the unit up
 The shut-off valve (item 4, Fig. 9, page 17) is
to be opened manually.
the operating-liquid is supplied.
 switch on the power supply.
 The unit will start to draw in the gases / va-
pours to be handled.
Switching the unit off:
 Switch off the power supply.
 The unit interrupts suction of the gases / va-
pours.
 The shut-off valve (item 4, Fig. 9, page 17) is
to be closed manually.
supply of operating-liquid ceases.
 The throttle valve (item 3, Fig. 9, page 17) is
used for setting the operating-liquid flow rate:
during operational shutdown the valve-setting
(i.e. the position of the valve or the cross-
sectional area of the valve that is open) is not
to be changed.