5895
5
ELECTRICAL CONNECTIONS TO THE WIRING TERMINAL BOARD
(to be carried out by the installer)
NOTICE
- Leads minimal section: 1,5 mm
2
.
WARNING
For supply at 220 V make the triangle connection on the pre-heater and on the motor (the original connection is “star”
for 380 V).
TWO STAGE OPERATION
It can be achived by the thermostat connected to 14-15 wiring terminal board (removing the bridge) controlling 2
nd
valve.
PRE-HEATER RESISTANCES CONNECTIONS
D2644
220V
380V
A Ampere
T10
T6
B mm
2
1,5
1,5
C Ampere
T16
T10
D mm
2
4
2,5
KEY TO LAYOUT
H
Remote lock-out signal
IN
Manual burner stop switch
MB
Wiring terminal board
TL
Limit control device system
TR
High-low mode control
device system
TS
Safety control device system
