cctv partner factory in Shenzhen Gas alarm gas alarm home combustible gas price Yongkang YK-828RQ02 products as follows: Installation steps: Select a location: Install or gas from a gas source level within distance of 4 meters, 2 meters outside the interior wall surface; the detected gas type, choose to install the vertical position: LPG (P): less than 0.3 meters from the ground. Artificial gas (C), natural gas (N): less than 0.3 m from the ceiling. Should be avoided in the following locations: channel air flow rate and other big place; where mist or drip; near stoves susceptible to fumes, vapors and other polluted areas or high-temperature environments (such as stoves directly above); other objects is blocked places (such as inside cabinets). L Installation of the wall at the selected location, corresponding to the mounting plate two random installation holes ready punch mark (on-board hooks should level up); lay the mounting holes into the supplied installation stopper, then random tapping screws fixed to the wall mounting plate; three holes on the back of the body aligned mounting plate fixed hooks, hang the body; the connection-related output signal, the power. Operating normally monitor the status: power preheated three minutes later, green steady light, it indicates that the alarm is working properly in monitoring state; preheating process, the alarm may issue a "beep ... beep ..." sound and the red light flashes, before the green light disappearance is normal. Site alarm status: When the alarm around the gas content in the air exceeds the alarm point, the alarm will emit a "beep ... beep ..." intermittent shrill chirping, and the red indicator light flashes to alert the user to make the site as soon as possible; alarm output status: live sound and light alarm for 10 seconds, different specifications of different types of alarm will output an alarm signal to inform the alarm system or activate the corresponding linkage. Output alarm type relay normally closed (NC) or normally open (NO) signal coded radio signal over 433HZ 315HZ automatic recovery type: After leak removed, the alarm will automatically return to normal working condition. Detection methods: detection alarm signal output is normal: Press the TEST key to live sound and light alarm, sustained more than 10 seconds, an alarm signal is output, release the TEST button that is no signal output, also no audible alarm to indicate working properly. Detection and alarm function: the use of ordinary lighter, aligning alarm intake slit misfire release a little air, a sound and light alarm, indicates normal operation. Note: Do not instantaneous release of gas too strong, so as not to damage the sensor. Processing Method alarm status when: 1. To extinguish all fires. 2. Quickly close the gas supply master valve. 3. Open doors and windows, ventilation. 4. Find leak causes. 5. Police state continues, the outdoors, call the gas company. Note: Do not switch any electrical or use the house phone. Note: For monitoring the failed state: green light does not light or blink; constantly emit a continuous beep sound; other non-normal state, you should check the power supply, or discontinue use and notify your local dealer as soon as possible. Note: Do not use a lot of pesticides, paint adhesive near the alarm, curing glue, alcohol, thinner, etc., in order to avoid false alarms and affect the normal life of the sensor. Alarm at work a little heat is normal. This alarm is not suitable for the prevention of incomplete combustion of CO poisoning. Long-term power after power, such as a brief alarm is normal. User Maintenance: The user should always check the alarm system is working properly: 1. Green light (power indicator) is stable shine? 2. Once a month bump test (see test method) Timely and dry with a dry cloth or other material with a soft clean surface to remove stains impurities cabinet, to ensure monitoring results. 3. Keeping the intake and cooling slits smooth, dry. 4. Keeping lights clearly visible. Technical indicators: follow the standard: GA127-1996 CJ3057-1996; Power: AC220V ± 15% 50Hz ± 5%; Alarm concentration: gas LEL (LEL) of 1 / 10-1 / 4; site alarm: sound and light alarm ; Alarm volume:> 80db; Response time: <20 seconds; Recovery time: <20 seconds; output delay: about 20 seconds; power consumption: <2W; ambient temperature: -10 ℃ ~ +5 0 ℃; Humidity: 15 ~ 90% RH; sensor normal life: 3--5 years