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Configuration 7 :
Boiler connection, 1 heating circuit and DHW tank
Overall hydraulic layout
Ex : boiler unit
D
CCI
CAT
M
VDI
BD
CC
Overview of all the electrical connections
SE
1
2
CC
Legend
AE - Electric back-up
BD - Disconnection bottle
CAT - Anti-gravity feed valve
CCI - Heating system circulation pump built into the boiler
CC - Heating circulation pump
Installation and operating manual "1395 - EN"
Ex : boiler unit
A
CCI
M
VDI
CAT
SDR
TA
16
4
10
15
M
VDI
17
SDR
CR - Regulation Control Box
R - Radiators (or fan convectors)
CA - Room control unit
or Room thermostat (option)
KS - DHW kit
SE - Outdoor sensor
SSa
AE
KS
VD
M
SP
8
7
SSa
CR
AE
9
KS
VD
M
20
SP
SDR - Boiler connection valve flow sensor
SSa - DHW sensor
SP - Heated floor thermal safety fuse
TA - Boiler supply of boiler unit
VD - Distribution valve
VDI - Distribution valve (deviation boiler)
Control Box
" See detailed
instructions on
page 28
CA
R
5
CA
R
- 33 -
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