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only from the room control unit will not suffice as the high pressure alarm requires manual reset from the
high pressure Switch.
Circuit 2 Low Pressure Alarm:
Check the gas pressures of the system and the electrical cable connections
of the low pressure Switch.
Circuit 2 Compressor Thermal Alarm:
Check the operative currents of the compressor and the motor
protection switch. Resetting the alarm only from the room control unit will not suffice as the motor
protection switch of the compressor requires manual reset.
Circuit 2 Compressor Suction Temperature Sensor Failure:
Check the temperature value taken from the
sensor. Check the electrical cable connections.
ROOF TYPE PACKAGE AIR CONDITIONER UNIT- POL687.70/STD USE OF SCREEN
BUTTON NAME
ACTION
FUNCTION
OK
Turning right
Sliding downwards or increasing inlet value
OK
Turning left
Sliding upwards or decreasing inlet value
OK
Pressing for
once
Selecting or confirming
INFO
Pressing for
once
It opens up HMI password log in page when pressed for
once on the main screen.
INFO
Pressing for
once
It returns to the main screen when pressed for twice on
another screen than the main screen
ESC
Pressing for
once
Cancelling changes, returning to the previous window,
returning to an upper menu
ALARM
Pressing for
once
It opens up the window with alarm information.