Buderus 500-24S Installation And Maintenance Instructions Manual page 30

1
Installation
Buderus 500-24S with external 230V controls
PL
CHF
Fig. 41
1 Condensing gas boiler 500-24S
2 cylinder
3 radiator
4 reference room / main living area
5 other rooms
Key to abbreviations:
AV = Air Vent
CB = Connection Block
CT = Cylinder thermostat
CHF = Central Heating Flow
CHR = Central Heating Return
DV = Diverter valve
JB = Junction Box
LSV = Lock Shield Valve
PL = Permanent Live
Prog = Programmer
RT = Room Thermostat
TRV = Thermostatic Radiator Valve
WC = Wiring centre
30
AV 2
CT
1
Prog
WC
CB JB
DV
CHR
Buderus 500-24S - Subject to modifications resulting from technical improvements
RT
LSV
3
LSV
4
TRV
3
LSV
5
7215 3000-09.1TD