KDB-GOM
Series
- 67 -
8 - 2
# 12
Failure
Flame failure in combustion
No
Symptoms and Causes
Solutions
Reference
2
Gas meter capacity is insufficient.
- Boiler capacity is 30,000 kcal/h (34.9 kW) and in
case the gas meter is third class gas supply
may not be smooth. Contact the gas company
for replacement. (refer to Chart 2)
<Fig. 1>
3
Flame rod is too close to the burner.
- Adjust crevice between Flame rod.
<Fig. 2>
- Replace modulating gas control valve
- If symptoms remain after the check up above,
replace the controller.
<Fig. 3>
※
Chart 2
Gas meter class per usage capacity
(unit: kcal/hr)
Boiler capacity
Gas range
Total
Meter class
10,000~25,000
7,500
17,500~32,500
third
30,000~40,000
7,500
37,500~47,500
fifth
4
Modulating gas control valve does not
adjust gas volume.
※
gas range 1hole : 2,500 kcal/h
Space between flame sensor
2~3mm with the burner
Electrode Assembly
Kyungdong
<Fig. 1>
<Fig. 2>
<Fig. 3>
Gas Meter
Modulating Gas
Control Valve