After the review is complete, start the chiller.
1. Navigate to the Control Panel Main screen.
2. 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 steam condensate control valve and the steam shut-off valve (option) open.
• The Control V Low Hold lamp lights. The low opening of the steam condensate control valve is
held for approximately 10 minutes.
• After 10 minutes, the steam condensate control valve is automatically controlled according to the
chilled water outlet temperature.
Stopping the chiller
1. Navigate to the Control Panel Main screen.
2. 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 steam condensate control valve and the steam shut-off valve (option) close.
• The dilution operation starts and continues for 7 minutes to 30 minutes.
Note: During the dilution operation, the solution pumps and the refrigerant pump operate.
• When the dilution operation is complete, the solution pumps and the refrigerant pump stop.
• Then, the chilled water pump, cooling water pump, and cooling tower stop.
YHAU-C Single Effect Steam-Fired Absorption Chiller100
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