Johnson Controls York YHAU-C User Manual

JOHNSON CONTROLS
2
FORM 155.34-CL2
ISSUE DATE: 12/10/2019
10. A mesh strainer is installed on the:
a. Chilled water inlet line ..........................................
b. Cooling water inlet line ........................................
c. Steam supply line ................................................
11. Air piping work is complete, leak tes-
ed, and flushed for the following lines:
a. Chilled water ........................................................
b. Cooling water .......................................................
c. Steam supply .......................................................
d. Steam drain return ...............................................
12. Clean the mesh strainers on the line .......................
13. Start the following:
a. Chilled water pump ..............................................
b. Cooling water pump .............................................
14. The water box pressure does not ex-
ceed the maximum pressure for the:
a. Chilled water ........................................................
b. Cooling water .......................................................
15. The low rate is adjusted within the acceptable range for:
a. Chilled water ........................................................
b. Cooling water .......................................................
16. The steam supply pressure is stable and within ac-
ceptable range
.........................................................
17. The steam supply temperature does not exceed its
saturation temperature
.............................................
C. Valve and Sensor Check
1. Adjusting valves are set correctly. ...........................
2. The diaphragm valves on the purge line are closed
3. Open the spindle valve in the purge line .................
4. The detection component of the thermosensor is
inserted into the thermowell according to design
requirements.
..........................................................
D. Electrical
1. Main and control power supply is available. ............
2. The insulation resistance of each motor and the
MCB secondary side is within acceptable range.
...
3. Power supply voltage is set within acceptable
range.
.......................................................................
4. The control panel wiring is correctly connected to
the steam control valve.
..........................................
5. The external control wiring is complete from the
control panel to the water pump motor starter and
other related equipment
...........................................
NOTES:
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YHAU-C Single Effect Steam-Fired Absorption Chiller106

Johnson Controls York YHAU-C Specifications

General

Brand	Johnson Controls
Model	York YHAU-C
Category	Chiller
Language	English