Unical XC-K Series, Инструкция по установке и обслуживанию

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36
Installation instructions
°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 - MODULATING CASCADE
PANEL BOARD code 37900
11 Main switch with indicator light
12 Burner switch
13 P1 system pump switch (cascade)
31 Safety thermostat
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.
For use of the panel board, see the system manager instruction booklet
As far as the practical connection and operating diagrams are concerned, see the
documentation supplied inside the panel board code 37900
32 Working thermostat
41 General fuse
42 Thermometer
The boiler probe is included in the supply.
fig. 26