WIRING
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.
ECO 8
ECO 10
1
Key
CO
Hour-meter (possible)
F
Fuse
FR
Photoresistance
IG
Main switch
LS
Lock-out warning light (possible)
MA
Control box terminal board
MB
Burner motor
TA-TC Boiler environment thermostat
TR
Ignition transformer
TS
Safety thermostat
VE
Electromagnetic valve
2
2
2
3
4
5
6
MB
VE
7
8
9 10 11 12
MA
FR
TR
9
7
8
M
230V/50Hz
IG
F
TS
L
N
TC-TA
N
LS
N
CO
UK
35