Hamworthy F175V - Figure 8.1.6 General Overview of Boiler Controls

HAMWORTHY HEATING LTD
22
FLEET V series 500001217/D
Figure 8.1.6 - General Overview of Boiler Controls
Low Gas
Pressure Switch
Overheat
Thermostat
HT Spark
Generator
Combustion
Fan
Air Pressure
Switch
Fuse
230v Mains
Supply
IEC Mains
Outlet Socket
LMU Control
Clip in Module
Vfc / 0~10v
On/Off switch
Flue Gas
Temperature
Sensor - in
flue elbow
Safety Relief
Valve in flow
pipe
Pump
Gas Valve
Flow Temperature
Sensor
Return
Temperature
Sensor
Water Flow
Switch
Inlet gas
pressure test
point
Pump
Relay