41
Terminals
No. in
dia-
gram
Function
Explanation
209XD1
1: Phase conductor L1
N: Neutral conductor
PE: Protective conductor
eU
DHW circulation pump load Fuse protection from load fuse 105FC1 (ob-
serve the total current of max. 16 A)
Connection values:
■
Max. output: 2200 W
■
Voltage: 230 V~
209XD3
1: Start command EB
2: Start command EB
3: Operating message COM
4: Operating message NO
eU
DHW circulation pump con-
trol signals
Floating N/O contact:
Closed: DHW circulation pump demand
Open:
No demand
Contact closed:
DHW circulation pump operation
210XD1
1: Phase conductor L2
N: Neutral conductor
PE: Protective conductor
q-R
Heating circuit pump load,
heating circuit 1
Fuse protection from load fuse 105FC1 (ob-
serve the total current of max. 16 A)
Connection values:
■
Max. output: 2200 W
■
Voltage: 230 V~
210XD3
1: Start command EB
2: Start command EB
3: Operating message COM
4: Operating message NO
q-R
Heating circuit pump con-
trol signals, heating circuit
1
Floating N/O contact:
Closed: Heating circuit pump demand, heat-
ing circuit 1
Open:
No demand
Contact closed:
Heating circuit pump operation, heating cir-
cuit 1
211XD1
1: Phase conductor L2
N: Neutral conductor
PE: Protective conductor
w-R
Heating circuit pump load,
heating circuit 2
Fuse protection from load fuse 105FC1 (ob-
serve the total current of max. 16 A)
Connection values:
■
Max. output: 2200 W
■
Voltage: 230 V~
211XD3
1: Start command EB
2: Start command EB
3: Operating message COM
4: Operating message NO
w-R
Heating circuit pump con-
trol signals, heating circuit
2
Floating N/O contact:
Closed: Heating circuit pump demand, heat-
ing circuit 2
Open:
No demand
Contact closed:
Heating circuit pump operation, heating cir-
cuit 2
212XD1
1: Phase conductor L3
N: Neutral conductor
PE: Protective conductor
e-R
Heating circuit pump load,
heating circuit 3
Fuse protection from load fuse 105FC1 (ob-
serve the total current of max. 16 A)
Connection values:
■
Max. output: 2200 W
■
Voltage: 230 V~
212XD3
1: Start command EB
2: Start command EB
3: Operating message COM
4: Operating message NO
e-R
Heating circuit pump con-
trol signals, heating circuit
3
Floating N/O contact:
Closed: Heating circuit pump demand, heat-
ing circuit 3
Open:
No demand
Contact closed:
Heating circuit pump operation, heating cir-
cuit 3
213XD1
1: Phase conductor L3
N: Neutral conductor
PE: Protective conductor
u-R
Heating circuit pump load,
heating circuit 4
Fuse protection from load fuse 105FC1 (ob-
serve the total current of max. 16 A)
Connection values:
■
Max. output: 2200 W
■
Voltage: 230 V~
Installation sequence
Electrical connections
(cont.)
5855865
Installation
Summary of Contents for BW 352.B027
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