26
For use of the panel board, see the system manager instruction booklet
KEY
N°
description
14
main switch with indicator light
16
Burner switch
18
Interruttore bruciatore
19
P1 system pump switch (cascade)
20
Pz1 direct zone system pump switch
21
Pz2 mixed zone system pump switch
33
Working thermostat
35
Safety thermostat
3.13 - panel BOard
MOdUlaTing MasTer cod. 37892
(MasTer
dUal-sTage cod. 38778)
he 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.
should 2 boilers in cascade be mounted, see chap. 3.14
The main switch 14 powers the board and the equipment
connected to it.
The switches 18 and 19 control the burner and P1 pump if the
boiler operates in cascade.
The switches 20 and 21 control the Z1 pump (direct) and Z2
pump (mixed).
The working temperature of the boiler is regulated by the heating
controller: to achieve this, the thermostat must be placed at
maximum full-scale pos. 33 .
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.
