Control Voltage; Safety Extra Low Voltage; Auxiliary Heating Element - STIEBEL ELTRON HSBC 300 cool Operation And Installation

INSTALLATIoN
electrical connection

11.1 Control voltage

Material losses
!
f Only connect energy efficient circulation pumps ap- f
proved by us to the pump connections.
XD03.1 Control terminal
XD03.2 Control terminal
XD03.3 Control terminal
XE03 Earth terminal, control unit
Xd03.1 Control terminal
Power supply Mains buffer charging pump
220-240 V
Xd03.2 Control terminal
HKP Heating circuit pump
MKP Mixer circuit pump, heating circuit 2
Note
At terminals XD03.2 HKP/MKP, you can install a tempera-
ture limiter for the underfloor heating system by remov-
ing the jumper between L and 2.
Xd03.3 Control terminal
Mixer Mixer, servomotor, heating circuit 2
UV Diverter valve, heating/DHW
www.stiebel-eltron.com

11.2 Safety extra low voltage

Xd04 Terminal, safety extra low voltage
T(MK) Temperature sensor, mixer circuit (optional)
T(KUE) Temperature sensor for area cooling (optional)
T(WW) DHW temperature sensor
T(Puffer) Temperature sensor, buffer cylinder
PWM Control by WPM
Control by WPM via PWM signal
f Observe the information in the operating and installation in- f
structions of the WPM heat pump manager.

11.3 Auxiliary heating element

Note
The "Heater terminal" (XD06.1) can only be assigned
when the optional HSBC 3-HE auxiliary heating element
is installed.
XD06.1 Heater terminal (accessories HSBC 3-HE)
HSBC 300 cool | HSBC 300 L cool | 49