15
38
31
29
58
05
06
49
32
40
Live Phase
Power In
Fuse2[20A]
Fuse9[1A]
Low Voltage
Transformer
Relay PCB
Logic PCB
Terminal
Block
Overheat
Sensor
Power
Switch
Terminal
Block
Power
Return
Connections
5x Heating
Element
3250W
Mains
Filter MF1
Mains
Filter MF1
SSR
Relay
switch
Live Phase
JP17
Blue/Red
Circuit Flow Diagram: Cavity Heaters
