Wolf BWL-1S-07 - Electric Heater Connection

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Indoormoduleelectricalconnection
22.2 Electricheaterconnection
230V~
Note:
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: 9 kW heating element connection (optional):
L1, N, PE = 2 kW L1, N, PE = 3 kW
L1, L2, N, PE = 4 kW L1, L2, N, PE = 6 kW
L1, L2, L3, N, PE = 6 kW L1, L2, L3, N, PE = 9 kW
Dependingontheconnectedoutputoftheelectricheater,parameterWP094(electricheatertype)
mustbeadjusted(factorysettingWP094=6kW).
Output 3way DV
heating/DHW
X1
10
9
12
11
14
13
16 15
PSU, PV /
Smart Grid
6/9kW
3
5
*
*
* See "Specification" for fuse protection values.
5
*
4/6kW 2/3kW
N1
L1
L2
L3
PE
GTS (appliance type connector)
ODU bus