Kospel SWPC Mode D'emploi page 16

Connection with central heating system
Cylinder must be fitted to the central heating system by pipe unions 1¼". A cut-off
valves must be installed before the pipe unions. A flow rate of heating water must be
high enough to maximise cylinder efficiency (see ‚Technical data table). It concerns the
forced circulation installation (with a central heating water pump).
Model SWPC is equipped in double heating coil.
16
CW
ZG1
C
PG1
NW
ZB