38
3064298_201507
25. Power supply to the indoor module
25.1 Electric heater connection
Output 3WUV
heating / DHW
X1
10
9
12
11
14
13
16
15
PSU, PV /
Smart grid
AWO BUS
25.2 PSU / PV / Smart grid / BUS cable connection
Electric heater
feed
Output 3WUV
heating / DHW
X1
10
9
12
11
14
13
16
15
Smart
grid
Power-
OFF*
GND
9
SG-0
10
PV* raising
GND
11
SG-1
12
AWO
BUS
BWL-1S(B)
10/14
C2
13
C1
14
BWL-1S(B)
07
C (COM)
15
Ni
16
AWO-BUS
(3x1.5 mm
2
screened,
recommended)
6/9 kW
3
5
*
*
* See "Specification" for fuse protection values
5
*
4/6 kW
2/3 kW
N1
L1
L2
L3
PE
On the BWL-1S with integral 3-phase electric heating, the heater connection can be either single-phase, 2-phase or 3-phase
. Depending on demand, the control unit activates the electric heating 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
GTS (appliance type
connector)
Depending on the connected heating output of the electric heating, parameter WP094
(electric heating type) must be adjusted (factory setting WP094 = 6 kW).
Note:
PSU, PV /
Smart grid
*floating