Viessmann Vitosol
100 Technical Manual page 80

4.6 System design 6
Installation diagram
1
WW
wQ
B
2 1
qP
C
qQ
D E
KW
*1
Wiring diagram see page 81.
A Solar panel
B DHW circulation pump
C To the oil/gas fired boiler
D DHW cylinder 2
E DHW cylinder 1 Vitocell L
(pre−heating stage)
80
*1
qZ
F
wP
2
qO
qI
qR
2
qT
qU
qE
3
G
F Heat exchanger 2
G Heating water calorifier 2
H Heating water calorifier 1
K Heat exchanger 1
L Junction box (on−site)
L N
*1
qZ
6
A
L
4
2
VL RL
7
5
qW
wW
1
1
K
8
H
9
Note regarding heat exchanger 1
You can install a three−way diverter
valve wW to prevent frost damage.
Control by Vitosolic 200. Sensor at S3 can
be utilised. This sensor is allocated to the
thermostat function 5 via code; the valve
is switched via relay 7.
VITOSOL