WIRING DIAGRAMS
WARNING:
- Do not invert the neutral with the phase.
- Make the connection to an effi cient earthing system.
- The electrical power line to the burner must be fi tted with an omnipolar switch with an ope-
ning of at least 3 mm between the contacts.
- The earth connection to the terminal board of the burner must be made with a cable at least
20 mm longer than the phase and neutral cables.
- Must be workmanlike performed and comply with the regulations in force.
NOTE: Always make sure that no more than two wires are connected to each terminal.
UK
38
Legenda
EC
Control electrode
F
Fuse
FA
Anti-interferencs filter
IG
Main switch
MPE
Control box terminal board
MB
Burner motor
MV
Detachable terminal
PA
Air pressure switch
PGm Minimun gas pressure switch
TC
Boiler thermostat
TS
Safety thermostat
TR
Ignition transformer
VP
Main work valve
VS
Safety valve
M