JOHNSON CONTROLS
3
FORM 155.34-CL2
ISSUE DATE: 12/10/2017
E. Vacuum Pump
1. Vacuum pump is charged with the correct amount
of lubricant oil.
..........................................................
2. Vacuum pump motor rotation is correct. .................
F. Evacuate Nitrogen Charge
1. Remove the plug in the purge line. .........................
2. Release the nitrogen gas until the generator com-
pound gauge indicates approximately 0.725 PSI.
....
3. Re-install the plug in the purge line. ........................
4. Navigate to the Setting screen on the Control Pan-
el.
.............................................................................
5. Press the purge pump ON button. ...........................
6. Check the oil level in the purge pump. .....................
7. Using the vacuum pump, evacuate the nitrogen
gas until the generator compound gauge indicates
approximately -14.5 PSI
..........................................
8. Close all open manual valves. .................................
9. Press the purge pump OFF button. .........................
10. Turn the power switch (MCCB) off. ..........................
11. Replace or add oil to the purge pump. .....................
G. Panel Checks
1. Thermal relays conform to the factory inspection
sheet.
......................................................................
2. Interlock and answerback signal(s) for the follow-
ing are available:
a. Chilled water pump ..............................................
b. Cooling water pump .............................................
3. Indicators on the Control Panel are correct....
4. The temperature setting parameters for capac-
ity control are correct.............................................
5. Date and time reflect local time zone.....................
6. The rotation direction is correct for the following:
a. Solution circulation pump ....................................
b. Solution spray pump ............................................
c. Refrigerant pump .................................................
7. The water flow suspension switch works properly....
NOTES:
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