Freestyle 2 Series - Wiring Diagram - FS-80;120 Combi Schematic

Part number 550-142-950/0122
55
FreeStyle
®
series 2 wall mount gas-fired water boiler – boiler manual
23 Wiring diagram — FS-80/120 Combi Schematic
Figure 73 FreeStyle
®
80/120 Combi Schematic Wiring Diagram
Legend 16 Fan
32
Central heating pump
42
DHW temperature sensor
44
Gas valve
72
Room thermostat (optional)
81 Ignition electrode
95
Mixing (diverting) valve
104 (1)
Fuse 3.15A
104 (1)
Fuse 630mA
1
14
W
ater pressure switch
136 Flow meter
138
Outside temperature sensor (optional on Combi)
186
Return temperature sensor
191
Exhaust temperature sensor
278
Double sensor (heating + safety)
279
Transformer 115-24 VAC
284
Relay SPST
-Coil 24 VAC
370
Low W
ater Cutoff (not included)
373 “OPENTHERM” communication (Not used)