Viessmann Vitocell 100-E Installation And Service Instructions Manual page 17

Connections on the heating water side
2. Install the flow line with a rise and fit an air vent
valve at the highest point.
Cylinder bank connected in series
Fig.11
Heating water return 3 (HR3) from the heating cir-
A
cuits
Heating water return 4 (HR4) to the heat source
B
Heating water flow 1 (HV1) to the heating circuits
C
Cylinder bank connected in parallel
Fig.12
Heating water return 3 (HR3) from the heating cir-
A
cuits
Heating water return 4 (HR4) to the heat source
B
Heating water flow 1 (HV1) to the heating circuits
C
(cont.)
3. Check all connections for leaks after filling the cylin-
der.
Heating water flow 2 (HF2) from the heat source
D
Air vent valve (EL)
E
Drain outlet (E)
F
Heating water flow 2 (HF2) from the heat source
D
Air vent valve (EL)
E
Drain outlet (E)
F
Installation sequence
17