② ＪＩＳ試験通則４４．２に定める不完全燃焼防止装置の作動試 験の給気不足試験を行つたとき、不完全燃焼防止装置の作動後２０ 秒以内で消火し、石油燃焼機器のＣＯ／ＣＯ２の測定方法による測 定値が０．００３を超えないこと。 (ii) When an insufficient air supply test of the Incomplete  Combustion Prevention Device activation test as specified in the  General Rules for JIS Tests 44.2 is conducted, the fire is  extinguished within 20 seconds after the Incomplete  Combustion Prevention Device has been activated, and the  measurement value taken by the CO/CO2 Measuring Method for  Oil-fired Water Heaters does not exceed 0.003.  ③ 不完全燃焼の検知部が機能しなかつたとき、消火するものであ り、かつ、容易に改造できない構造であること。 (iii) The Incomplete Combustion Prevention Device extinguishes  the fire when the incomplete combustion detector does not  function, and has a structure that cannot be easily modified.  ④ 不完全燃焼通知機能を有すること。 (iv) The Incomplete Combustion Prevention Device has an  Incomplete Combustion Notifying Function.  ⑤ 再点火防止機能を有すること。 (v) The Incomplete Combustion Prevention Device has a  Reignition Prevention Function.  ２ 密閉燃焼式のものにあつては、ＪＩＳ試験室において、ＪＩＳ 試験通則５０．に定める排気筒外れによる安全性試験を行つたと き、排気筒が外れてから３０秒以内に灯油を遮断し、遮断後２０秒 以内（ポット式のものにあつては５分以内）に消火すること。 2 In the case of a closed-combustion stove, when a safety test  removing the exhaust tube as specified in the General Rules for  JIS Tests 50. is conducted in a JIS Laboratory, the heating oil is  cut off within 30 seconds after the removal of the exhaust tube  and the fire is extinguished within 20 seconds (within five  minutes in the case of a pot-type stove) after the cut-off.  ３ 密閉燃焼式の燃焼用空気管及び半密閉燃焼式の燃焼用空気管に あつては、次に掲げる条件に適合すること。 3 Closed-combustion-type combustion air pipes and semi-closed- combustion-type combustion air pipes conform to the following  conditions.  （１） 燃焼用一次空気管及び二次空気管にあつては、耐久性を損 なう曲げ、ねじれなどがないこと。 (1) The primary and secondary combustion air pipes have no  bends or twists that could affect durability.  （２） 燃焼用二次空気管を有するものにあつては、燃焼用送風機 とバーナとを結ぶ燃焼用二次空気管の接続部が確実に接続されてい ること。 (2) In the case of a stove that has a secondary combustion air  pipe, the connecting parts of the secondary combustion air pipe  that links the combustion fan and the burner are securely  connected.  65 