Viessmann Vitocrossal 300 Service Manual page 35

Vitocrossal 300 CU3A 26 to 57 Service
Example Layout 2
Equipment required ID: 4605301_1006_02
Pos. Designation
Accessories
Internal extension H1: (integrated)
5
Connection, external safety solenoid valve (LPG)

Central fault message (alternative to extension EA1)

Extension EA1 (integrated)
7
External safety solenoid valve for LPG
zP
Central fault message
zW
External hook-up:
zE
External blocking

External demand

External heating program changeover

External set value 0 to 10V
zR
Vitotrol 200A
zT
Vitotrol 300A
zZ
KM BUS distributor, for several KM BUS participants
zI
KM BUS participant:
Extension EA1 7

Vitotrol 200A zT

Vitotrol 300A zZ

Solar control module, type SM1 wZ

Vitocom 100 LAN 1
zO
(continued)
Service
35