York YHAU-CW Manual page 99

FORM 155.31-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
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 tested, and
flushed for the following lines:
a. Chilled water. .......................................................
b. Cooling water .......................................................
c. Steam supply and steam drain return ..................
12. Clean the mesh strainers on the line .......................
13. Start the chilled water and cooling water pump .......
14. The water box pressure does not exceed the
maximum pressure for the:
a. Chilled water ........................................................
b. Cooling water .......................................................
15. The flow rate is adjusted within acceptable range for:
a. Chilled water ........................................................
b. Cooling water .......................................................
16. Steam supply pressure is stable and within accept-
able range ................................................................
17. Steam supply temperature does not exceed its sat-
uration temperature. .................................................
NOTES:
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JOHNSON CONTROLS
C. Valve and Sensor Check
1. Adjusting valves are set correctly. ...........................
2. Diaphragm valves in the purge line are fully
closed. .....................................................................
3. Spindle valve is in the purge line is open. ...............
4. Detection component of the thermosensor is in-
serted into the thermowell according to design
requirements. ..........................................................
D. Electrical
1. The main and control power supply is available ......
2. The insulation resistance of each motor and the
MCB secondary side is within acceptable range .....
3. The power supply voltage is set within acceptable
range. .......................................................................
4. The control panel wiring is correctly connected to
the steam control .....................................................
5. The external control wiring is completed from the
control panel to the water pump motor starters, and
other related equipment ...........................................
E. Vacuum Pump
1. Vacuum pump is charged with the correct amount
of lubricant oil. .........................................................
2. Vacuum pump motor rotation is correct. .................
SECTION 5 - COMMISSIONING
FORM 155.31-CL1.EN.UL
ISSUE DATE: 12/21/2018
JOHNSON CONTROLS
99
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