Electric Heater Connection - Wolf BWL-1S-05 Installation And Operating Instructions Manual

22.2 Electric heater connection
5
5
* *
6/9 kW 4/6 kW 2/3 kW
On the BWL-1S with integral 3-phase electric heater, the heater connection can be either single phase, 2-phase or 3-phase.
Depending on demand, the control unit activates the electric heater via a contactor.
6 kW heating element connection:
L1, N, PE = 2 kW
L1, L2, N, PE = 4 kW
L1, L2, L3, N, PE = 6 kW
Note: Depending on the connected output of the electric heater, parameter WP094 (electric heater type)
must be adjusted (factory setting WP094 = 6 kW).
3064298_201805
Indoor module electrical connection
N1
L1
L2
L3
PE
Output 3way DV
heating/DHW
PSU, PV /
Smart Grid
ODU bus
3
GTS (appliance type connector)
*
* See "Specification" for fuse protection values.
X1
9 kW heating element connection (optional):
L1, N, PE =
L1, L2, N, PE =
L1, L2, L3, N, PE =
230 V~
3 kW
6 kW
9 kW
41