26
Power supply to all accessories via heat source control unit
145 145
40 A 40
145 145
40 A 40
B
C
145
40 96
A
145 145
40 A 40
D
E
Some accessories with direct power supply
145 145
40 A 40
145 145
40 A 40
B
C
145
40 96
A
145 145
40 A 40
D
E
A
Heat source control unit
B
Extension kit for heating circuit with
mixer M2
C
Extension kit for heating circuit with
mixer M3
D
Extensions AM1 or EA1
E
ON/OFF switch
The output concerned should only be
used to control an on-site relay if the cur-
rent flowing to the connected working
parts (e.g. circulation pumps) is higher
than the safety level of the relevant
accessory.
Accessories
Internal fuse
protection
Extension kit for heat-
ing circuit with mixer
2 A
Extension AM1
4 A
Extension EA1
2 A
Installing the boiler
Electrical connections
(cont.)
5773 216 GB
Summary of Contents for Vitodens 222-F B2TA series
Page 12: ...12 2 5 1 4 2x 3 Installing the boiler Removing the front panels 5773 216 GB...
Page 13: ...13 1 2 SW17 Installing the boiler Siting and levelling the boiler 5773 216 GB Installation...
Page 31: ...31 4 1 5 2 2x 3 Installing the boiler Fitting the front panels 5773 216 GB Installation...
Page 194: ...194 5773 216 GB...
Page 195: ...195 5773 216 GB...