Make all electrical connections at the
terminals and secure the cables at the
cable harness.
Never run LV cables immediately next
to 230/400 V cables.
A
Heat pump (open)
B
Heat pump terminal strip (230/400
V connections inside the open
control panel)
C
Electronics PCB
D
Back of the pivoted control panel
E
PCB with terminal strip X1/X2
Room temperature sensor (part no. 9532 653)
Note
This device can only be used as room
temperature sensor. The rotary selec-
tors are disabled.
Overview of electrical connections
32
Installation sequence
55
92
901
GB
Summary of Contents for VITOCAL 300
Page 19: ...Connection diagram Open CLOSE System version 1 cont 19 Preparing for installation 5592 901 GB...
Page 22: ...Connection diagram Open CLOSE System version 2 cont 22 Preparing for installation 5592 901 GB...
Page 137: ...Control PCB 137 Connection and wiring diagrams 5592 901 GB Service...
Page 140: ...Parts lists cont 140 Parts lists 5592 901 GB...
Page 141: ...Parts lists cont 141 Parts lists 5592 901 GB Service...
Page 159: ...159 5592 901 GB...