A
Terminal strip, heat pump
B
Main isolator
C
Fuses
*
1
D
Power connection 3/N/PE
∼
400 V
1.
Provide the power connection (3/N/
PE
∼
400 V) via a permanent sup-
ply.
Cable
*
1
: min. 5 x 2.5 mm
2
2.
Route the power cable from the
back into the heat pump and con-
nect it in accordance with the dia-
gram.
!
Please note
To prevent equipment
damage,
never
interchange
cores.
A clockwise field of rotation
is
absolutely
required.
Note
Heat pump, DHW cylinder and water
pipes should be connected to the
earth bonding of the house in ques-
tion.
Power supply
(cont.)
40
Installation sequence
55
92
901
GB
*1
Subject to the connected load (see specification).
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...