Section 5
OPERATION
19
5.3 INITIAL START--UP PROCEDURE
The following procedure should be used to make
the initial start ---up of the compressor:
1. Read the preceding pages of this manual thor-
oughly.
2. Be sure that all preparations and checks de-
scribed in the Installation section have been
made.
3. Crack open the shut off valve to the service line.
WARNING
!
Be sure that the blowdown valve connection on the
air---cooled cooler package is connected as ex-
plained in Section 3 (Pa r. 3.6).
4. St art t he compressor by pushing the STA RT but -
ton.
5. Check for possible leaks in piping.
6. Slowly close the shut---off valve and check that
the setting on the pressure switch is set correctly.
If set correctly, the compressor will unload at t he
desired unload pressure. If a djustments are nec-
essary, see Control System Adjustments in the
Maintenance Section of the manual.
7. Observe the operating temperature. If the operat -
ing t emperature exceeds 200_F(93_C), the cool-
ing system or installation environment should be
checked.
8. Observe return line sight glass a nd maintenance
indicators.
9. Open shut--- off valve to service line.
10. Reinspect the compressor for temperature and
leaks the following day.
5.4 SUBSEQUENT START-- UP PROCEDURE
On subsequent start---ups, check that the proper
level is visible in the fluid sight glass and simply
press the START button. When the compressor is
running, observe the instrument panel and mainte-
nance indicators.
5.5 SHUTDOWN PROCEDURE
To shut the compressor down, simply press the
STOP button.