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Application:
The principle for operating mode A is based on liquid condensation and additional heat from an electric water
heater. The built-in control unit Rego600 controls the heat pump with an outdoor sensor GT2 and return sensor
GT1 according to outdoor compensated control curve. When the heat pump is not able to meet the heating
requirements, additional heat starts that together with the heat pump provides the required temperature. Hot
water is prioritised and controlled by a sensor, GT3 in the hot water heater. While the heat pump is heating the
water in the immersion heater, the heating system is disconnected temporarily through the three-way valve.
Radiotor operation continues when the immersion heater is hot enough.
Rego600 can also control other curves together with a mixing valve. The mixer curve must be set lower than
the curve for the rest of the heating system. This extra function is used e.g. for floor heating systems that
demand a lower temperature.
Connecting the sensors:
External sensors GT1 and GT2 must always be connected. Sensor GT4 is connected if the mixer curve is used
and GT5 if the room sensor is required.
*Acc. tank:
A 100-300-litre accumulator tank is recommended for systems with separate controls for e.g. floor heating, to
ensure good operational times for the heat pump. For this solution, GT1 is mounted in accordance with *GT1.
(X) The distance between both cut offs must not be more than 10 times the dimension of the pipe.
Connecting the C series to the heating system and operating mode A
GT2
GT5
HEATING
SYSTEM
P1, RADIATOR PUMP
GT4
P4
(X)
P2
P3
EXP
GT1
DHW
CW
GT3
*GT1
*ACC. TANK
HEAT PUMP
It is also possible to control other heating
systems with a mixing valve. For a
combination of radiator and floor heating
systems for example.
HEATING SYSTEM WITH MIXING VALVE
Safety valve
FILTER BALL
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