External Change-Over Signal; Pump/Boiler 230 V; Optional Humidity Sensor; Pilot Function For Change-Over Heating/Cooling - IVT PRINETO Manual De Instrucciones

3.2.1 External change-over signal

pump boiler
1 2 1 2
N L N L TB
Cooling
Heating
If an external change-over signal is used, the
overall installation switches accordingly be-
tween heating and cooling.

3.2.3 Optional humidity sensor

pump
1
N L N L TB
N
L
Humidity sensors (to be provided by the
customer) serve for dewing protection in the
cooling mode.
230 V
ECO CO H %
1 2 1 2 1 2
N
L
230 V
boiler ECO CO H %
2 1 2 1 2 1 2 1 2
H
Humidity
Sensor

3.2.2 Pump/boiler 230 V

HZ 1 HZ 2 HZ 3 HZ 4
1 2 1 2 1 2 1 2 1 2 1 2
N L
N
L
The boiler connection allows the control of a
heat generator. Additionally, a pump can be
controlled directly.
3.2.4 Pilot function for change-over heat-
ing/cooling
230 V
pump
1
HZ 1 HZ 2 HZ 3
1 2 1 2 1 2 1 2 1 2
N L N L TB
pump boiler
1 2 1 2
N L N L TB
N L
N L
If no external change-over signal is available,
the internal pilot function of the base station
can be used for switching the overall installa-
tion between the operating modes Heating and
Cooling. A relay used by the base station for
switching over is used for this.
HZ 5 HZ 6 HZ 7
pump boiler ECO CO
1 2 1 2 1 2 1 2 1 2
1 2 1 2 1 2 1 2
N L TB
boiler
boiler ECO CO H %
2 1 2 1 2 1 2 1 2
HZ 4 HZ 5 HZ 6
1 2 1 2 1 2 1 2
ECO CO H %
L
1 2 1 2 1 2 1
N
L
N
Heating
Cooling
230 V
HZ 8 HZ 9
H %
1 2 1 2 1 2
1 2
DEU
ENG
FRA
NDL
ITA
HZ 1 HZ
1 2 1 2 1 2
HZ 7 HZ 8
1 2 1 2 1 2
ESP
HZ 1 HZ 2 HZ 3 HZ 4
2 1 2 1 2 1 2 1 2 1 2
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