Viessmann VITOCELL 100-V Installation And Service Instructions Manual page 8

Preparing for installation
Connections
A
B
Fig. 2 Front
A Thermometer sensor retainer
Female connection for immersion heater (EHE)
B
8
Fig. 3 Back cover
A Air vent valve (EL)
Heating water flow 1 (HV1)
B
to the heating circuits
Clamping device 1 (SPR1)
C
for cylinder temperature sensor
Heating water flow 2 (HV2)
D
from the heat generator
Clamping device 2 (SPR2)
E
for cylinder temperature sensor
Heating water return 2 (HR2)
F
from the heating circuits
Heating water return 1 (HR1)
G
to the heat generator
Drain outlet (E)
H