Lamborghini Caloreclima EM 50/2-E Manual Para La Instalación Y El Mantenimiento página 30

WIRING DIAGRAMS
The connections to be carried out by the installer are:
- Main supply line
- Thermostatic line
- Any flame modulation thermostat to terminals L1-N1 of plug G and bridge N1 must be removed from such plug. Tmf only
works with the min./max. switch turned to max.
Legend
BRM Motor relay coil
CRM Motor relay contacts
CRT Thermal relay contact
EC Control electrode
F Fuse
FA Anti-interference filter
IG Main switch
Ima ON/OFF switch
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 opening 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 local regulations in force.
I.m.M. Min./max. switch
MB Burner motor
MR Auxiliary terminal board
MS Servocontrol terminal board
MPE Control box terminal board
PA Air pressure switch
PGm Minimum gas pressure switch
RT Thermal relay
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Mains supply
230/400 V - 50 Hz
TC Boiler thermostat
Tmf 2nd stage modulation thermo-
stat (if present)
TP Timer
TR Ignition transformer
VP Main safety valve
VS 2nd safety valve (if present)