23
Operation
IN-ECO spol. s r.o.
9 Operation
i
NOTICE
Maximum permissible quantity of water entrained
via the inlet connection: See Fig. 13, Pg. 32.
WARNING
Danger due to gauge pressure and vacuum!
Danger due to escaping fluid!
Danger due to rotating parts!
The pump-motor unit may only be put into operation
when the following conditions are met:
- Fan guard and vacuum pump/compressor housing
are mounted.
- The lines to the discharge connection, inlet con-
nection and operating-liquid port are attached.
- The lines and connections have been tested for
strength and leaks.
WARNING
Danger of burns and scalding from hot surfaces
of the pumpmotor unit and from hot fluids!
> Do not touch during operation!
> Allow to cool after shut-down!
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CAUTION
If the unit is run dry, the mechanical seal will be
destroyed in a matter of seconds! DO NOT switch
on as long as the unit is not filled with operatin
liquid!
9.1 Self-priming operation
Follow the instructions contained in Chapter 8.2, „Self-priming operation“, Pg. 20 for this operating mode.
9.2 Operation with operating-liquid feed
Start-up
For non-automatic operation (Fig. 11, Pg. 22):
- Open the stop valve (Item 4) manually. The operating liquid is fed in.
- Switch on the unit.
For automatic operation (Fig. 12, Pg. 22):
- Switch on the unit.
- The solenoid valve (Item 4) opensand the operating liquid is fed in.
Shut down:
For non-automatic operation (Fig. 11, Pg. 22):
- Switch off the pump-motor unit.
- Close the stop valve (Item 4) manually. Feeding of the operating liquid is cut off.
- The following applies for the control valve (Item 3) for setting the operating-liquid flow rate:
In case of an interruption in operation, the valve setting (i.e. the valve position or the open valve cross-section) is not
changed.
For automatic operation (Fig. 12, Pg. 22):
- Switch off the pump-motor unit.
- The solenoid valve (Item 4) closes, and feeding of the operating liquid is cut off.
- The following applies for the control valve (Item 3) for setting the operating-liquid flow rate:
In case of an interruption in operation, the valve setting (i.e. the valve position or the open valve cross-section) is not
changed.