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Case 2: T
set-point
> T
HP
GREEN mode
This mode can be selected only if enabled via installer menu (P4 Parameter ON).
The GREEN mode shall be set in order to ensure energy saving; this function is recommended for
air temperatures above 0°C during the hours of heating.
In this working mode heating is performed with the heat pump only whatever the temperature set
by the user or the available electrical power supply time.
The heating element may turn on only in the event that occurs inhibition of operation of the heat
pump, in particular in the case of:
• Errors referred to the heat pump cycle
• air temperature out of operating range
• defrosting process in progress
• anti-legionnaire’s process
Useful parameters:
Parameter Description/Functioning Range
Default
value
T
set-point
The desired temperature for the hot water can be set by turning the knob clockwise or
anti-clockwise.
T
min
÷ T
HP
55 °C
T
Installer menu parameter P2 - Adjustment of the minimum obtainable temperature. 40 °C ÷ 50 °C 50 °C
T
HP
Installer menu parameter P3 - Adjustment of the maximum temperature obtainable
with the heat pump unit.
50 °C ÷ 62 °C 55 °C
T
water
The temperature of the water in the tank, to visualize press and release the knob; the
relative value will appear for 8 seconds then the set temperature will reappear.
- -
Legend:
HP: Heat pump
HE: Electrical resistance (1200 W)
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