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Hydro Unit
Installation Manual
Meaning of Indication on the top screen
ZONE1
Lights when floor heater or radiator is connected (when the system has floor heater or radiator).
ZONE2
Lights when controlling the second temperature (It may not light depending on the system).
HOT WATER
Lights when hot water supply system is connected (when the system has hot water supply).
The painted mark lights for operation mode for which temperature is to be changed.
Lights when the compressor is acting for heating or cooling operation.
Lights while the electric heater inside the hydro unit is energized during a heating operation.
Lights while the compressor is acting for hot water supply operation.
Lights while the electric cylinder heater is energized during hot water operation.
Lights when heating is selected.
Lights when cooling is selected.
Lights during hot water supply is selected.
Lights while internal pump (pump 1) or expansion pump (pump 2) is driven.
Lights when the auxiliary boiler or external booster heater supports the heat pump operation.
Lights during water temperature control mode / room temperature control mode.
Lights during Auto mode operation.
Lights when Schedule timer or Floor drying is set to “ON”.
ZONE1
ZONE2
HOT WATER
HEAT/COOL
HOT WATER
MON
ZONE1
HEAT/COOL
HEAT/COOL
HOT WATER
HOT WATER
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35-EN
Summary of Contents for HWS-1405XWHM3-E
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