JOHNSON CONTROLS
91
SECTION 5 - COMMISSIONING
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
5
• Check that the Refrigerant Pump
Auto
button is
pressed.
After the review is complete, start the chiller.
1. Press the
OPER.
button on the Control Panel to
start the chiller. To start the chiller from a remote
location, enter the remote start signal.
When the chiller starts, the following occurs:
• The solution pump, and the refrigerant pump start.
• The hot water control valve opens.
STOP THE CHILLER
1. Press the
STOP
button on the Control Panel. To
stop the chiller from a remote location, enter the
remote stop signal.
When the chiller stops, the following occurs:
• The hot water control valve closes.
• The dilution operation starts and continues for
7-10 minutes.
NOTE: During the dilution operation,
the solution pumps, and the refrigerant
pump operate.
• Once the dilution operation is complete, the solu-
tion pumps, and the refrigerant pump stop.
• Then, the chilled water pump, cooling water
pump, and cooling tower stop.
• Close the hot water supply manual valve.