Vilter VSM 71-701, Руководство по эксплуатации и обслуживанию

Страница: 57 / 244

51
Operation
D. V-PLUS Oil Cooling
* Applies only to units with V-PLUS ® oil
cooling.
Refer to V-PLUS manual for detailed instructions.
*9. Manually open the stop valve at the inlet and
outlet of the V-PLUS system.
*10. Open the needle valve in the ¼” oil supply
line to the V-PLUS pump.
*11. The manual opening stem on the solenoid
valve should be in the automatic position
(turned counter clockwise or out).
E. Liquid Injection Oil Cooling
** Applies only to units with Liquid Injection
Oil Cooling.
**9. Open the stop valve at the inlet of the
pressure regulator.
**10. Open the metering valve 1/8 to 1/4 of
a turn.
**11. Adjust the manual opening stem to the
liquid line solenoid. (Refer to acces-
sory equipment section for details.)
**12. The pressure regulator may require ad
justment after the compressor is running.
(Refer to the accessory section on de-
tails of how to adjust regulator.) The reg-
ulator should be adjusted to maintain ap-
proximately 70 psig on the external equal
izing connection of the TX valve. At this
setting, the controls should maintain the
oil temperature at approximately 115°F.
To adjust oil temperature up or down,
raise or lower the pressure setting on the
regulator. It should not be necessary to
adjust the superheat setting on the TX
valve.
F. Water Cooled Oil Cooler
*** Applies only to units with water cooled oil
cooler.
***9. The water supply to the cooler should
be opened.
***10. Verify the water solenoid valve does
open with the compressor motor
starter.
***11. Open 1/4” high pressure gas line valve
piped to oil injection line just enough
to quiet compressor at 100% capacity.
G. Compressor Pre Start-Up Check
List
Before proceeding with actual starting of the com-
pressor, the items listed on the “Pre Start-Up
Check List” must be verified. Time and money
will be saved before the Vilter start-up man ar-
rives.