MCAC-CTSM-2018-1
Flooded type water cooled screw chiller (MIC)
43
Figure 6.5
Startup operation: Press “startup” is not valid if unit is in malfunction state.
Press START button, and confirm in the window, then unit can start.
If the compressor startup conditions are not met, the unit will pause after running the water pump. The
interface display "compressor start conditions are not satisfied, please check state information".
Shutdown operation:
Press the STOP button, and the shutdown confirmation window will display. Press Confirm button, then
unit status display "stop". After the unit meets stop condition, it will carry out the shutdown process.
Standby status: machine is powered on, it will display “standby status” normally.
①
Unit operation: the start-up of the unit is finished.
②
Pause state: Control water temperature will be lower than water temperature in paused state.
The
unit enters “pause state” and compressor stops operating. Control water temperature will
be higher than water temperature of compressor, when it starts. The compressor will start and
enter “operating state”.
③
Shutting down
:
the unit enters “shutting down” state when carry out operation of shutdown to
the unit. After shutdown is finished, unit enters “standby state”.
④
Unit protection
:
A fault alarm will cause the unit to
enter “unit protection” state, and a prompt on
the top of the screen will inform user.
Note:
Cooling mode: water temperature in paused state = setting chilled water temperature- temperature
control range. When unit is in paused state, if temperature controlling is higher than compressor starting
temperature, compressor starts.
Heating mode: water temperature in paused state= setting chilled water temp temperature