20
clean heat technology
INST
INST
INST
INST
INSTALLA
ALLA
ALLA
ALLA
ALLATION 5
TION 5
TION 5
TION 5
TION 5
Fig. 5-5a Typical Sealed System BFISC 12/24, BWISC 16/25 & BWESC 12/24
5-5.1 The Heating System
5-5
System Boilers
Fig. 5-5b Typical Sealed System for BFISC 24/30 & BWISC 16/25
The expansion vessel is NOT supplied fitted to
the Boiler, all parts are supplied in ‘System Kit’
BFISC 12/24, BFESC 12/24, BWISC 12/16 & BWESC 12/16
BFISC 12/24, BFESC 12/24, BWISC 12/16 & BWESC 12/16
BFISC 12/24, BFESC 12/24, BWISC 12/16 & BWESC 12/16
BFISC 12/24, BFESC 12/24, BWISC 12/16 & BWESC 12/16
BFISC 12/24, BFESC 12/24, BWISC 12/16 & BWESC 12/16
BFISC 24/30 & BWISC 16/25
BFISC 24/30 & BWISC 16/25
BFISC 24/30 & BWISC 16/25
BFISC 24/30 & BWISC 16/25
BFISC 24/30 & BWISC 16/25
1
3,4
AIR VENT
(NOT SUPPLIED)
DOMESTIC HOT WATER
INDIRECT CYLINDER
VENTED OR UNVENTED
FLOW
RETURN
OPTIONAL EXTRA PUMP ON
RETURN FOR LARGER SYSTEMS
COLD MAINS FEED
5
6
BYPASS
AIR VENT
(NOT SUPPLIED)
FLOOR STANDING
BOILER SHOWN
CONDENSATE
DRAIN
1
3,4
AIR VENT
(NOT SUPPLIED)
FLOW
RETURN
OPTIONAL EXTRA PUMP ON
RETURN FOR LARGER
SYSTEMS
COLD MAINS FEED
5
6
EXPANSION VESSEL
MUST BE FITTED
ADJACENT TO THE
BOILER
BYPASS
AIR VENT
(NOT SUPPLIED)
FLOOR STANDING
BOILER SHOWN
CONDENSATE
DRAIN
NO VALVES OR OTHER
COMPONENTS SHOULD BE
FITTED BETWEEN EXPANSION
VESSEL AND THE BOILER
DOMESTIC HOT WATER
INDIRECT CYLINDER
VENTED OR UNVENTED
The expansion vessel is
supplied fitted to the Boiler all
other parts are supplied in
‘System Kit’
2
2
MOTORISED VALVE
MOTORISED VALVE
2
2
1.
PUMP
2.
PUMP VALVES
3.
PRESSURE RELIEF VALVE
4.
PRESSURE GAUGE
5.
FILLING LOOP
6.
EXPANSION VESSEL
7.
EV FLEXIBLE HOSE
7
1.
PUMP
2.
PUMP VALVES
3.
PRESSURE RELIEF VALVE
4.
PRESSURE GAUGE
5.
FILLING LOOP
6.
EXPANSION VESSEL
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