3 Control functions
Standard Operation without Electrical Heater
SMGB0135 rev.0 - 06/2020
18
3.3 Standard Operation without Electrical Heater
DHW heating operation starts when the temperature of the water in the tank is low enough to start up the heat pump.
DHW is always heated up with the heat pump.
• High Efciency: Compressor operation is
adjustedtooptimaleciencyforlowerpower
consumption.
• High Speed: The heat pump is switched to
maximum operation capacity to heat up the tank
in the shortest time.
Setting for domestic hot water temperature selected
by the user. The maximum value of this setting
depends on the Maximum setting temperature set
by the installer. (Between 30 to maximum setting
temperature.)
Maximum value of DHW setting temperature
permitted by the installer. (Between 40 ºC to 55ºC).
Hysteresis for the start of DHW heating operation
with the heat pump
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