7
Installation
Summary of electrical connections
(continued)
A Fuse
B Power switch
C Arrangement of the sensor plugs
Low voltage plug
! Outdoor temperature sensor - X3 socket
?/aJ Supply temperature sensor/
Return temperature sensor (accessory) - X6 socket
aVD External connections - X5 socket
aVG KM-BUS participant,
e.g. remote control Vitotrol 200/300 (accessory)
- X7 socket
Plug 120 VAC
sÖ Heating circuit pump
fÖ Power supply connection
5285 967 v1.2
B
A
C
X7 X6 X3
X5
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