5893
6
FASTENING OF THE ELECTRICAL WIRES
All the electrical wires, which are to be connected to the terminal board 16) (fig. 1) shall pass through the fair leads
17) (fig. 1) as per this scheme
.
1
- Pre-heating resistances single phase supply: fair lead Pg 21
2
- Motor three phase supply:
fair lead Pg 16
3
- Single phase supply and safety thermostat:
fair lead Pg 13.5
4
- Control thermostat:
fair lead Pg 13.5
5
- 2
nd
stage thermostat
:
fair lead Pg 13.5
6
- Pre-sheared holes
Further prospective signals or controls can be connected to the burner wiring terminal board by removing the
metal weldnuts from the pre-sheared holes and inserting a commun fair lead for the passage and the clamping
of the leads.
NOTES
- Carry out a safe earth connection.
- Verify the burner stop by opening the boiler thermostat and the burner lock-out by darkening the photo-resist-
ance.
