OIL CONDENSING BOILER
INSTALLATION AND USER MANUAL
INSTALLATION & USER MANUAL www.krb.co.kr
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Fig. 3.17. 14 Pin connector
Terminal No. Classification Color
1 Low water level sensor Red
2 DC 12V Red
3 GND Gray
4 GND Blue
5 GND White
6 GND Black
7 DC 12V Yellow
8 Low water level sensor COM Yellow/Green
9 Bimetal Thermostat Red
10 Temperature sensor Gray
11 Hot water sensor White
12 Room temperature controller Red
13 Flame detector Yellow
14 Air pressure switch Yellow
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