Flooded type water cooled screw chiller (PCB Control)
47
"X" at the top right to close the pop-up window.
①Only control mode can be switched during operating, other mode selection is invalid.
② The control mode is used as on/off mode choice. "Local” control mode can only be realized through
the touch screen "on / off" button; "Remote” control mode can only be realized through the "remote start /
remote stop" hardware interface; "the timer control mode", it can be only realized by setting the timer.
③ Heating mode is only available for the heat pump unit.
Note: under the "local” control mode, remote control and timer control are invalid; under the "remote”
control mode, local control and timer control are invalid; under the "timed” control mode, local control and
remote control are invalid.
2）Startup operation
It needs to confirm below before startup:
① Mode setting is correct. Operation mode (cooling, heating, pumping) and single/dual compressor
（dual stages、1#、2#）cannot be set after startup.
② Current status of machine is standby, it cannot startup under malfunction status.
③ Please confirm if the oil heating is complete. If not, machine may stay in a pause state for a long time
and compressor cannot start.
Press “start” button at bottom left of screen, pop-up window will appear. If confirm startup, please press
“confirm”; if not, please click the pop-up window "X" at the top right to cancel startup.
Figure 6.4
If the startup conditions are not satisfied, press "Start" button will display the prompt at the top of the
pop-up boot window, it shows that "compressor start conditions are not met, please check status
information". The compressor startup conditions include: temperature of oil temperature sensor, interval
time of restart, startup temperature of compressor and so on. The startup can be confirmed right now,
but unit will start until the compressor startup conditions are met, otherwise the main page will keep
displaying that "compressor start conditions are not met, please check status information" . Please refers
to the detailed explanation in the “4” for explanation of status information.
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