37
Tec
hnical f
eatures and dimensions
°C
OK
1
2
1
2
>1s
+
°C
°C
°C
BUS ID
1/2/11/Mod
Run
2
1
31
42
11
41
12
13
32
3.20 - CASCADE PANEL BOARD
11 Main switch with indicator light
12 Burner switch
13 P1 C.H. pump switch (cascade)
31 Safety thermostat
The main switch 11 powers the board and the equipment con-
nected to it.
The switches 12 and 13 control the burner and P1 pump if the
boiler operates in cascade.
The thermostat adjusts the working temperature of the boiler
2: to achieve this, the thermostat must be placed at maximum
full-scale pos. 32 .
Modulation of the burner will be managed by heat control.
The electric power line of the boiler's control board must have a
switch with protective fuses.
For use of the panel board, see the system manager instruction manual.
As far as the practical connection and operating diagrams are concerned,
see the documentation supplied inside the panel board.
32 Working thermostat
41 General fuse
42 Thermometer
The boiler probe is included in the supply.
