Connection diagram
|
Open
~
CLOSE
A
Power supply from the control
panel (230 V)
Required devices
Pos.
Description
Qty.
qI
Contact humidistat
1
wR
Vitotrans plate-type heat exchanger
1
wT
Frost stat
1
wZ
Circulation pump (primary cooling circuit pump)
1
wU
Mixer-3 (primary cooling circuit)
*
1
1
wI
Two-way motorised ball valve
1
eQ
Circulation pump (secondary cooling circuit pump)
1
eW
Diaphragm expansion vessel
1
rR
Flow temperature sensor for mixer
wU
1
rT
Room temperature sensor natural cooling circuit
1
Additions to the system versions
(cont.)
29
Preparing for installation
55
92
901
GB
*1
Option, see table on page 9.
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...