30RA/30RH
Water connections
Typical water circuit diagram for units without hydronic module
Typical water circuit diagram for units with hydronic module
NOTE:
If the automatic fill kit option is used
on the unit, fitting an extra charging
valve is unnecessary.
GB - 6
Legend for units without
hydronic module:
30RA - RH unit
without hydronic mo-
dule
Fan coil units
Water circulating
pump
Expansion vessel
Pressure gauges
Manual shut-off val-
ves
Mesh filter
Legend for units with
hydronic module:
30RA - RH unit with
hydronic module
Fan coil units
Pressure gauges
Manual shut-off
valves
Pressure couplings
Thermometers
Plate-type heat exchan-
ger drain valve
Power supply
Pressure couplings
Thermometers
Flow switch
Automatic purge valve
Hydraulic circuit drain
valve
Charge valve
Flexible coupling
Safety valve
Plate-type heat ex-
changer drain valve
Charge valve
Flexible coupling
Shut-off valve with
incorporated stop
Pressure reducer
Hydraulic circuit drain
valve
Mesh filter *
Flow control valve *
*
Factory-supplied, fit
during installation
Automatic fill kit option