INsTALLATIoN
WPL 19 IK | WPL 24 IK
34
| WPIC
www.stiebel-eltron.com
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1 Earth clip
X2 safety extra low voltage (bus)
BUS High H
BUS Low L
Bus earth
Bus " + "
X3 Heat pump power supply ("WP")
L1, L2, L3, N, PE
X4 Control unit ("steuerung")
ON
Compressor output signal
ERR
Output signal fault
L, N, PE
Power supply
X5 electric emergency/booster heater power supply ("dHC")
L1, L2, L3, N, PE
Connected
load
Terminal assignment
2.6 kW
L1
N
PE
3.0 kW
L2
N
PE
3.2 kW
L3
N
PE
5.6 kW
L1
L2
N
PE
5.8 kW
L1
L3
N
PE
6.2 kW
L2
L3
N
PE
8.8 kW
L1
L2
L3
N
PE
X7 ribbon heater connection
L, N, PE
9.6.2 Function module connection
Note
The function module terminals are located in the terminal
area.
The control cable and bus cable connect the function module to
the heat pump standard appliance.
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1
1 Connecting cables (bus, control voltage)
2 Terminal area
Control cable connection
f
f
For all connections, use appropriate cables in accordance
with local regulations.
f
f
Check that the strain relief fittings are working as intended.
f
f
Route the control cable from the function module into the
heat pump standard appliance.
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4
f
f
Connect the wires to terminal X4.
Bus cable connection
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