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User’s and technical staff manual
67
Electric wiring
of the boiler «BaltGaz NEVALUX-8224»
Connector Contacts
Cable colors
Cable
Parameters
Power supply
М1
1
brown
Power cable
220 V, ~ 50 Hz
2
blue
Fan
М4
12
orange
Main cable
220 V, ~ 50 Hz
13
orange
Pump
М3
3
blue
Pump cable
220 V, ~ 50 Hz
6
brown
3 way valve’s electric
motor
М3
4
white
Pump cable
220 V, ~ 50 Hz
5
red
7
black
Gas supply regulator
М4
10
blue
Main cable
220 V, ~ 50 Hz
11
brown
Gas supply regulator
modulator coil
М9
19
black
Gas supply regulator
cable
17 V, 180 mА
20
black
Ignition transformer
М4
8
black
Main cable
220 V, ~ 50 Hz
9
red
Thermo relay 90 °С (water
overheating sensor)
М6
17
blue
Air pressure switch
cable
24 V, 10 mА
18
brown
Air pressure switch
М6
15
red
Air pressure switch
cable
24 V, 10 mА
16
red
Pressure sensor
М9
22
black
Gas supply regulator
cable
24 V, 10 mА
23
red
DHW flow sensor
М9
24
blue
Gas supply regulator
cable
24 V, 10 mА
25
brown
CH temperature sensor
М11
30
black
CH temperature sensor
10 kOhm (at 25
°С)
31
black
DHW temperature sensor
М12
36
red
DHW temperature
sensor cable
10 kOhm (at 25
°С)
37
red
Ionization plug
М5
40
red
Ionization plug cable
Ignition plug
—
—
red
Ignition plug
12 kV
Room thermostat (option,
see p. 10.3.1)
М10
28
24 V, 10 mА
29
Remote control (option,
see p. 10.3.2)
М8
40
41
External temperature
sensor
(option, see p. 10.3.3)
М10
26
10 kOhm
27
Computer for diagnostics
(option, see p. 10.3.4)
М7
Zone control board
(option)
М8
38
39