Comet XRC-3023-WW, Руководство пользователя

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7. Controlling the unit
The unit is controlled using the temperature controller inside the unit and controls of the device that is
to be cooled. All alarm and error signaling is only indicated on the control panel of the device that is to
be cooled.
7.1. Switching on the unit
Switching on the unit
Requirements
✓
The unit is ready to be switched on.
Procedure
•
Switch on the unit about 1 minute prior to operation of the device to be cooled.
•
Check whether the operating specifications are met, see "Technical specifications".
The unit has been switched on.
7.2. Switching off the unit
Switching off the unit
Requirements
✓
Cooling operation finished.
Procedure
•
Switch of the unit using the controls of the device to be cooled.
•
Close all valves that may exist in the extension of the hoses running to and from the unit.
The unit has been switched off.
7.3. Settings
NOTE
The monitoring units are set according to technical specifications and sealed. Any modifications to
these settings lie in the sole responsibility of the customer and must only be carried out by expert
staff.
7.3.1. Flow switch
NOTE
The adjusting of the flow switch should not be made without the help of proper measuring equipment,
as the switching point must be adjusted in a controlled way. Otherwise the function of the safety cir-
cuit might not be reliable and, as a result, the device to be cooled might get damaged.
The flow switch is equipped with a closing contact. The flow switch opens when the flow falls below an
adjusted quantity. The set switch-off threshold: see "Technical specifications"
Adjusting the switch contact
Procedure
•
Please use demagnetized tools only.
•
Please do not knock on switch contact with tools or hand(s).
•
Loosen the seal and the set screw.