22
1.
Connect all pipework with detachable fittings.
2.
Install the flow line with a rise and fit an air vent
valve at the highest point.
3.
Check all connections for leaks after filling the cylin-
der.
Cylinder bank connected in series (type SVPA 400 l)
Fig.19
A
Heating water return 3 (HR3) from the heating cir-
cuits
B
Heating water return 4 (HR4) to the heat source
C
Heating water flow 1 (HV1) to the heating circuits
D
Heating water flow 2 (HV2) from the heat source
E
Air vent valve (EL)
F
Drain outlet (E)
Cylinder bank connected in parallel (type SVPA 400 l)
Fig.20
A
Heating water return 3 (HR3) from the heating cir-
cuits
B
Heating water return 4 (HR4) to the heat source
C
Heating water flow 1 (HV1) to the heating circuits
D
Heating water flow 2 (HV2) from the heat source
E
Air vent valve (EL)
F
Drain outlet (E)
Installation sequence
Connecting the heating water side
(cont.)
5674 554 GB
Installation