3). Burner control time chart
① PRE-PURGE TIME : for 2 sec ± 1sec
→ In order to operate safely, fan emit the exhaust gas from burner before starting ignition transformer.
② PRE IGNITION TIME : 0 sec
→ To ignite and burn well, start the ignition before supplying gas.
③ POST IGNITION TIME : 3 sec ± 1sec
→ After the initial burning, the igniter operates for 2 ~ 4 seconds in order to protect the burn from the initial
failure due to incomplete combustion.
[Ignition is OFF in 3 seconds after sensing flame]
④ POST PURGE TIME : 6 sec ± 1sec
Ⅰ. Normal operation time chart
⑤ Safety cut-off time chart : 3sec ± 1sec
Function cutting off supply of GAS for safety, when not sensing flame in spite of PRE PURGE by fan,
PRE IGNITION and supply of GAS.
[Safety cut-off time is the duration between Gas feeder is ON and OFF]
Ⅱ . Failure of initial ignition (signal after 3 times failure)
→ After the burner stops, the fan will operate for 5 ~ 7 seconds to emit the exhausted gas from boiler.
RPM Sensing
Time
(sec)
Flaimes
sensing
Flaimes
sensing
Time
(sec)
30페이지
Содержание KGW- 8BE
Страница 5: ...2 Installation 2 1 Standard installation 5페이지 ...
Страница 21: ...4 Direction for assembly 4 1 Part exploded view 21페이지 ...
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Страница 38: ...11 Warranty 38페이지 ...