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Installation
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Electrical Connections
(continued)
Connection overview for CA3 2.5 and 3.0
Legend
A Supply temperature sensors heating circuits M2/M3
B External LON participants (i.e. Vitotronic 200-H)
C Low voltage/sensor connections
D Boiler power supply connection
E Pumps/mixing valve connections
F Disconnect switch with lockout provision
G Vitocom 100 LAN1
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