32
3.14 - panel BOard
MOdUlaTing cascade cod. 37900
(dUal-sTage cascade cod. 37901)
The boiler probe is included in the supply.
For use of the panel board, see the system manager instruction booklet
KEY
N°
description
11
main switch with indicator light
12
Burner switch
13
P1 system pump switch (cascade)
31
Safety thermostat
32
Working thermostat
41
General fuse
42
Thermometer
The heating controller probes (boiler, storage tank, external,
flow) are included in the supply; the ambient probes 1 and 2
are optional; the mixer valve and relative control motor are not
included in the supply.
Should ambient probes be mounted (optional), the room
temperature will only be determined with the boiler curve set
by the program.
To change programmable parameter values Lago Basic on
boiler n. 2. - see par. 3.13.2.
The main switch 11 powers the board and the equipment
connected to it.
The switches 12 and 13 control the burner and P1 pump if the
boiler operates in cascade.
The working temperature of the boiler n°2 is regulated by the
heating controller: 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.
