1592026260 IEV22-24D GB r.1.0 21.02.2019 IEV 27/60
Valve adjusts in chiller mode
Valve does not adjust - Function is disabled
Valve adjusts in heat pump mode
Valve adjusts in heat pump mode
Configuration with two valves associated with a circuit
Available configurations:
- valve 1 and valve 2 associated with circuit 1
- valve 1 and valve 2 associated with circuit 2
In this case the two valves will never operate simultaneously.
Mode established
by the controller
connected via LAN
or by the digital
input
Configuration of
Valve 1
(parameter Ec4)
Configuration of
Valve 2
(parameter Ec5)
Valve 1 adjusts in Chiller mode
Valve 2 adjusts in Chiller mode
Valve 2 adjusts in Heat pump
mode
Valve 1 adjusts in Heat pump
mode
7.3 Valve management
The opening or closing of the valve is carried out by the actuation of a stepper motor.
The device can manage both unipolar and bipolar valves (if there are two configured valves, they must
be the same type of valve, unipolar or bipolar); the type of valve is selected via parameter Ec3.
The unipolar valve is moves by provided current impulses to the 4 phases of the valve's motor.
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