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30RA/30RH
GB - 6
Water connections
Typical water circuit diagram for units with hydronic module
Legend for units without
hydronic module:
ቢ 30RA - RH unit
without hydronic
module
ባ Fan coil units
ቤ Water circulating
pump
ቦ Expansion vessel
ቧ Pressure gauges
ቨ Manual shut-off
valves
ቩ Mesh filter
ቪ Pressure couplings
ቫ Thermometers
ቭ Flow switch
ቮ Automatic purge valve
ቯ Hydraulic circuit drain
valve
ተ Charge valve
ቱ Flexible coupling
ቲ Safety valve
ታ Plate-type heat
exchanger drain valve
Legend for units with
hydronic module:
ቢ 30RA - RH unit with
hydronic module
ባ Fan coil units
ብ Pressure gauges
ቦ Manual shut-off
valves
ቧ Pressure couplings
ቨ Thermometers
ቫ Plate-type heat
exchanger drain valve
ቭ Charge valve
ቮ Flexible coupling
ቯ Shut-off valve with
incorporated stop
ተ Pressure reducer
ቱ Hydraulic circuit drain
valve
ቲ Mesh filter *
ታ Flow control valve *
* Factory-supplied, fit
during installation
NOTE:
If the automatic
fill kit option is used on the unit,
fitting an extra charging
valve is unnecessary.
Automatic fill kit option
Typical water circuit diagram for units without hydronic module
Power supply