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Electric circuit diagram of the boiler «NEVALUX-8224»
O
N
O
N
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;
- 3 way valve's electric motor;
5
6
- pump;
7
- air pressure switch;
- thermo relay 90 °С;
8
- gas supply regulator's modulator
9
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;
- fuse (2 pc.for 2 А);
21
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.
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