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.
Legend
EC
F
FA
IG
MPE Control box terminal board
MB
PA
PGm Minimun gas pressure switch
TC
TS
TR
VP
VS
UK
38
Control electrode
Fuse
Anti-interferencs filter
Main switch
Burner motor
Air pressure switch
Boiler thermostat
Safety thermostat
Ignition transformer
Main work valve
Safety valve
M