
124
T
Expire Date of the Gas Detector
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To maintain functionality, the expiration date is set to the gas detector that is connected to the
base unit.
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Make sure to replace it with a new gas detector before reaching the expiration date.
Make sure to confirm the operation after the replacement.
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The gas detector must conform to the city gas detector wet contact output uniform standard
defined by Gas Alarm Industries Association of Japan. Choose one the following types.
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Wet contact 2-stage output type
(normal conditions: DC6V, gas leak alarm: DC12V, device/wiring abnormality: 0V)
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Wet contact 3-stage output type (with imperfect combustion (CO) alarm)
normal conditions: DC6V, gas leak alarm: DC12V,
imperfect combustion: DC18V, device/wiring abnormality: 0V
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Only for the base unit for apartment buildings (VGDT item number)
7.Windea̲取説(英語)̲1M.indd 124
7.Windea̲取説(英語)̲1M.indd 124
2012/09/06 17:03:57
2012/09/06 17:03:57