Electric circuit diagram of the boiler «NEVALUX-8224»
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Cable color designation:
бел - white; г - blue; ж/з – yellow-green, кор - brown; кр - red; ор - orange; ч - black.
1
- ignition plug;
2
- ignition transformer;
3
- gas supply regulator;
4
- fan;
5
- 3 way valve’s electric
motor;
6
- pump;
7
- air pressure switch;
8
- thermo relay 90 °С;
9
- gas supply regulator’s
modulator coil;
10
- pressure sensor;
11
- DHW flow sensor;
12
- external temperature
sensor (option);
13
- room thermostat
(option)*;
14
-CH temperature sensor;
15
- DHW temperature
sensor;
16
- ionization plug;
17
- remote control
(option).
18
- jumper (selecting the
type of gas
19
- Computer connection
connector for the boiler’s
operation diagnostics;
20
- ground socket;
21
- fuse (2 pc.for 2 А);
22
- zone control board
(option).
* In case of no room
thermostat 13 close the
contacts of the connector М10,
intended for its connecting.
** While adjusting the
boiler for liquefied gas close
by means of jumper 18 the
contacts ВС of the
connector СМ1, while
adjusting for natural gas
close the contacts AB with a
jumper.