INSTALLATION
Electrical connection
20 | WPL-A Premium www.stiebel-eltron.com
Terminal assignment
f Connect the cables according to the following diagram.
D0000090350
1
1 Earth terminal for screening the ELV lead
XD05 Safety extra low voltage (bus)
BUS High H
BUS Low L
BUS Earth
BUS "+" (is not connected)
XD06 Ribbon heater (Begl-Hz)
Output: L, N, PE
XD03 Control voltage (Strg)
ON
L
N
PE
XD02 Electric emergency/booster heater (DHC)
L, N, L, N, PE
Connected load Terminal assignment
3.0kW L N PE
3.2kW L N PE
6.2kW L N L N PE
XD01 Compressor (WP)
L, N, PE
f Earth the ELV lead by inverting the screen over the cable
sheath and clamping it under the earth terminal.
f Then check that the strain relief fittings are working as in-
tended.
Closing the terminal area
D0000035356
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2
1 Serrated washer
2 Screw
f Secure the cover with the screw and serrated washer.
f Connect the following components to the heat pump manag-
er in accordance with the technical guides:
- Circulation pump for the heat consumer side
- Outside temperature sensor
- Return sensor (only for operation with buffer cylinder)
11.2 Ribbon heater
A ribbon heater (see chapter "Installation / Appliance description/
Accessories / Additional accessories") can be connected to the
condensate pan and hose.
f Install a ribbon heater when mounting on the wall bracket or
T-support.
When installing on foundations or the mounting bracket, we rec-
ommend installing a ribbon heater if the routing of the condensate
hose means it is at risk of frost or is fully exposed to the elements.
D0000033168
f Guide the ribbon heater into the condensate drain pipe.
f Open the terminal area (see chapter "Electrical connection/
Terminal area/ Access to the terminal area").
D0000082259
f Route the electric cable from the ribbon heater to the termi-
nal area from below.
f Make the electrical connection for the ribbon heater.
f Close the terminal area.
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