WIRING DIAGRAMS
EM 35- E
The connections to be carried out by the installer are:
- Main supply line
- Thermostat line
- Lock-out warning light (where applicable)
- Hour counter (where applicable)
- Flame modulation thermostat (where applicable) (remove the jumper wire)
EC
Control electrode
F
Fuse
FA
Anti-interference filter
FCA Auxiliary circuit fuse
IG
Main switch
IMA ON/OFF switch
MB Burner motor
MPE Control box terminal board
NOTE: Always make sure that no more than two wires are connected to each terminal.
Warning:
- Do not invert the neutral with the phase.
- Make the connection to an efficient earthing system.
- The electrical power line to the burner must be fitted with an omnipolar switch with an ope-
ning of at least 3 mm between the contacts.
- Must be workmanlike performed and comply with the local regulations in force.
PA
Air pressure switch
PGm Minimum gas pressure switch
TC
Boiler thermostat
TP
Timer
TR
Ignition transformer
TS
Safety thermostat
VP
Main safety valve
VS
2
safety valve
nd
35
M
UK