28
Connection of accessories
145 145
40A 40
145 145
40A 40
B
C
145
40 156
A
145 145
40A 40
D
E
Fig. 23
A
Boiler control unit
B
Extension kit, mixer M2
C
Extension kit, mixer M3
D
EA1 extension and/or solar control module, type
SM1
E
ON/OFF switch (on site)
If the current flowing to the connected working parts
(e.g. circulation pumps) is higher than the fuse rating
of the relevant accessory, only use the output con-
cerned to control an on-site relay.
Accessories
Internal fuse
protection
Mixer extension kit
2 A
EA1 extension
2 A
Solar control module, type SM1
2 A
Closing the control unit enclosure
Fig. 24
Installation sequence
Electrical connections
(cont.)
6136330
Installation
