Viessmann Vitocell 140-E Installation And Service Instructions For Contractors page 9

Product information
Back
(cont.)
A Heating water flow 1 to the heating
B Heating water flow 2
C Sensor well
D Thermometer sensor retainer
E Sensor well 2
A
F Heating water flow 3/heating water
G Heating water return 2
B
H Sensor well 3
C
D
E
K Heating water return 3
F L Sensor well 4
M Solar heating water flow / air vent
G
H
N Heating water return 4 to the heat
K
L
O Solar heating water return (if Solar-
M
N
O
P
P Thermometer sensor retainer
Installation information
circuits/air vent valve
from the heat source
for cylinder temperature sensor
for cylinder temperature sensor and
thermometer sensor
return
from the heating circuits
for cylinder temperature sensor and
thermometer sensor
for cylinder temperature sensor
valve (if Solar-Divicon accessory is
fitted: at the front of the heating
water buffer cylinder)
source / drain outlet
Divicon accessory is fitted: at the
front of the heating water buffer cyl-
inder)
9