Riello PRESS 100 N Installation, Use And Maintenance Instructions page 16

3.3 ELECTRICAL CONNECTIONS TO THE BURNER TERMINAL STRIP
(to be carried out by the installer)
D2612
PRE-HEATING
RESISTANCES
CONNECTIONS
D2711
NOTE
Wires of min. 1 mm
For supply at 230V make the triangle connection on the pre-heater and on the motor (the original connection
is "star" for 400V).
TWO STAGE OPERATION
It can be achieved by the control device TR, that controls 2
(removing the bridge).
FASTENING OF THE ELECTRICAL WIRES
All the wires, which have to be connected to the burner terminal
strip (16, fig. 1) shall pass through the fair leads (17, fig. 1), see
fig. 2.
1 - Pre-heating resistances
three 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
nd
5 - 2 stage thermostat: . . . . . . . . . . . . . . . . . . .fair lead Pg 13.5
6 - Pre-sheared hole
Further prospective signals or controls can be connected to the burner terminal strip by removing the metal weld-
nuts 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 flame sen-
sor.
2915830
2
section. (Unless requested otherwise by local standards and legislation).
IN Manual burner stop switch
MB Burner terminal strip
H Remote lock-out signal
TL Limit control device system
TR High-low mode control device system
TS Safety control device system
nd
stage valve, connected to terminals T6 and T8
5
GB

230V 400V
A Ampere 16 10
2
B mm 1.5 1.5
C Ampere 25 16
2
D mm 6 4
Fig. 2
D2676