Connecting external cables
Information on connecting accessories
Accessory installation instructions supplied with
accessories.
0-10 V
Fig. 32
Plug 230 V~
Boiler circuit pump or butterfly valve with return
sÖ
spring (only with multi boiler system)
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
sA
Circulation pump for cylinder heating
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
40
L
N
230V~
40
20
28
96
21
1
DHW circulation pump (accessories)
sK
Rated voltage: 230 V~
Rated current: Max. 2 (1) A~
B
27