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MCAC-HTSM-201506 Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual
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3. Setting temperature:
3 statuses can be displayed -
.
4. Timing ON/OFF indication (
)
:
Indicate the timing information.
5. Function icon:
:
Display when water heater system connects to Modbus network;
:
Displays when other heat source is provided to the system.
:
Displays when water heater maintenance is needed. Press and hold
‘
AUXILIARY
’
key for 3 seconds to cancel the icon and timing will restart until next maintenance.
:
Displays when cycle heating function is on.
:
Displays when electric auxiliary heating function is on.
:
Displays when check function is on.
:
Displays when ambient temperature is below 2
º
C which means the main unit
need anti-freezing action.
:
Displays when no key operation for 2 minutes and all keys are locked. Press and
hold
‘
OK
’ key for 3 seconds to unlock.
:
Displays when error or protection occurs and means the unit need maintenance
by professionals.
6. Online quantity indication:
Under normal status display the quantity of units connected to
the wired controller; under check status display the device serial number.
7. Water level indication:
Under normal status displays water level; under water level setting
status displays setting value.
8. Clock:
Under normal status displays clock; under timing setting displays the setting timing.
9. Water temperature:
Under
normal status display water temperature; under water