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Application:
The principle for operating mode C is based on a fixed temperature and additional heat from an immersion
heater. Rego600 controls the heat pump with a built-in return sensor, GT9. When the heat pump is not able to
meet the heating requirements, the water heater starts automatically and together with the heat pump provides
the required temperature. The hot water is produced in an external double shelled heater. The heating is
controlled by a mixing valve controlled by a flow sensor GT4 and an outdoor sensor GT2. This is not an
optimal solution for the heat pump because the heat pump works up to its max temperature all year round with
inferior efficiency as a result.
Connecting the sensors:
External sensors GT1 and GT2 must always be connected. GT5 if use of a room sensor is required.
Connecting the D series to the heating system and operating mode C
EXP
P1, RADIATOR PUMP
HEAT TRANSFER
SYSTEM
DHW
CW
HEAT PUMP
HOT WATER HEATER
MIXING
VALVE
ISOLATING VALVE
ELECTRIC WATER
HEATER
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