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Electrical connection of a high-efficiency pump
(HE pump)
Speed control of a HE pump is possible via a PWM
Temp. Sensor
in
Pt1000
signal. In addition to the relay connection, the pump
must also be connected to the controller via the
L'
L
VBus
®
/PWM interface adapter. In the PUMP adjust-
ment channel, ADAP has to be selected.
GND
N
S1
VBus
/ PWM
®
R1
S2
34
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