Viessmann VITOCELL 100-E Installation And Service Instructions Manual page 10

Installation information
Product information
A
B
C
D
E
F
G
H
K
L
M
N
Fig. 6 Back
10
(cont.)
Heating water flow 1 (HV1) to the heating circuits /
A
air vent valve (EL)
Heating water flow 2 (HV2)
B
from the heat generator
Sensor well (SPR1)
C
for cylinder temperature sensor
Thermometer sensor retainer
D
Sensor well 2 (SPR2)
E
for cylinder temperature sensor and thermometer
sensor
Heating water flow 3 (HV3) / heating water return 1
F
(HR1)
Heating water return 2 (HR2)
G
from the heating circuits
Sensor well 3 (SPR3) for cylinder temperature
H
sensor and thermometer sensor
Heating water return 3 (HR3)
K
from the heating circuits
Sensor well 4 (SPR4)
L
for cylinder temperature sensor
M Heating water return 4 (HR4) to the heat genera-
tor / drain outlet (E)
Thermometer sensor retainer
N