38 _ Air-to-Water Heat Pump
Part 1. Monobloc Unit
12. Controller
Electric heater STEP one
Electric heater STEP two
These icons indicate that the backup electric heater is operating.
Domestic hot water tank heater
This icon indicates that Domestic hot water tank electric heater which is located inside Domestic hot water tank is
active.
The icon is not used when Domestic hot water tank is not installed.
Water pump
This icon indicates that the water pump inside the unit is active.
Auxiliary solar thermal pump
This icon indicates that auxiliary solar thermal pump is active.
NOTE : As installation of auxiliary solar thermal pump is not compulsory but recommendation according to field
condition, this icon can be seen although no auxiliary solar thermal pump is installed.
Defrosting
This icon indicates that the defrost mode is active.
This mode is automatically operating.
Maintain lowest temperature
The purpose of this mode is maintaining the temperature to prevent damage by freezing of water pipe.
Disinfection
This icon indicates disinfecting operation is ongoing in Domestic hot water tank.
Compressor
This icon indicates that the compressor is active.
Child Lock
No function
Central Controller
This icon indicates that the product is controlled by the central controller.
Thermostat
This icon indicates connection with thermostat.
Slight trouble
This icon indicates that slight trouble is occurred.
Heavy trouble
This icon indicates that heavy trouble is occurred.
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