Wiring Diagrams - Joannes JM 3 Manual Para La Instalación Y El Mantenimiento

WIRING DIAGRAMS

The connections to be carried out by the installer are:
● Main supply line
● Thermostatic line
● Lock-out lamp at terminal S3 (if present)
● Hour counter at terminal B4 (if present)
Legend
Control electrode
EC
F Fuse
Anti-interference filter
FA
Main switch
IG
MB Burner motor
MPE Control box terminal board
Air pressure switch
PA
NOTE: Always make sure that no more than two wires are connected to each terminal.
Warning:
- Do not invert the neutral with the phase.
- Perform a good earth connection.
- Must be workmanlike performed and comply with the regulations in force.
MPE (LMG 25...)
PGm Minimum gas pressure switch
Boiler thermostat
TC
TR Ignition transformer
TS Safety thermostat
Main valve
VP
Safety valve
VS
39
Mains supply
230V-50Hz