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Dual Sensor Technology
The SAFE-T-ALERT
™ 35 or 25 series combination CO/Propane Gas
Alarm is an alarm that combines into a single, compact system, a
powerful alarm that detects both Carbon Monoxide (CO) and the
explosive gas, propane (LPG).
The 35 and 25 series uses the latest microprocessor technology
combined with two electronic self-cleaning sensors that operate
independently of each other. The combined unit can detect CO and
explosive gases simultaneously.
Operation
When the unit is first powered up, the CO sensor requires a ten (10)
minute initial warm-up period to clean the sensor element and achieve
stabilization. The GREEN LED indicator will flash on and off during the
10 minute warm-up period. The unit cannot go into a CO alarm during the
warm-up period. To test your unit during the warm-up period, press the
test button. See Test Procedure in this manual. After the warm-up period,
the GREEN power ON indicator should glow continuously. If the ON
indicator light does not light, see the section,
Trouble-Shooting Guide
,
in the user’s manual for further information.
Do not attempt to fix it
yourself.
Gas Alarm
When you power the alarm, it has a warm-up period of approximately 1
minute. This unit cannot go into a gas alarm during the warm-up period.
After 1 minute the alarm can detect explosive gas and will energize the
relay on models 35-742-R and 35-742-R-MS.
Simultaneous CO and Gas Alarms
Because the risk of a propane gas explosion is generally a more serious
danger, your alarm unit gives the gas alarm a higher priority during
simultaneous alarm condition.
If your unit generates alarms for both Gas and CO at the same time, the
gas LED will flash red and the beeper will sound. The CO LED will be a
solid Red until the CO is ventilated out of the RV, at which time the LED
will return to the Green operational/safe color.
Brownout Protection
The unit can tolerate short power interruptions and brownouts where the
circuit voltage drops as low as 1 VDC. If the brownout lasts too long, the
unit will reset and operate as described previous.
Low Power Operation
This alarm will operate normally down to 7 VDC. Do not operate this
alarm below 7 VDC.
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