Connect The Optima Heat Pump - Operating Mode A - IVT Optima 1000 Assembly, Commissioning And Maintenance Manual

Connecting the heat pump to the heating system

Connect the Optima heat pump - operating mode A

Application:
The principle for operating mode A is based on a fi xed temperature and additional heat from an electric cassette. The built-in
control unit Rego 603 controls the heat pump using the outdoor sensor T2 (GT2) and the return sensor T1 (GT1) according
to the outdoor compensated control curve. When the heat pump is unable to meet the heating requirements, the electric
cassette starts automatically and together with the heat pump provides the required temperature. Hot water is prioritised
and controlled by a sensor T3 (GT3) in the hot water heater. While the heat pump is heating the water in the hot water
heater, the heating system is disconnected temporarily through the three-way valve. Radiator operation continues when the
hot water heater is hot enough.
Connected sensors:
T1 (GT1) return sensor heating system.
T2 (GT2) outdoor sensor.
T3 (GT3) production of hot water (accessory).
T4 (GT4) when an extra mixing valve is fi tted (accessory).
T5 (GT5) infl uence of the room sensor (accessory).
T8 (GT8) fl ow temperature from heat pump.
T9 (GT9) return temperature into the heat pump.
Optima with electric cassette and hot water heater
*
Mixed heating system
There is a possibility to control a
second heating system with a mixing
valve. This is recommended in case of
a combination of radiators and a fl oor
heating system.
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Q Shut off valve
Q Safety valve outlet
Q Control valve with motor, arrows denote
controlled ports
T Temperature sensor
C Electric cassette
E Double-shelled hot water heater
E Oil-fi red boiler
E Heat pump
C Expansion tank
V Filter/Screen
G Pump
G Fan
V Filter valve
V Duration hot water
W Inlet/outlet
Pipe (Arrow denotes direction of fl ow)
Crossing pipes
T-piece