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Propane / CNG Fume Detector with Solenoid Valve Control
• Automatic Solenoid Control
• Dual Sensor Capability
• Microcomputer Operation
• Solid State Sensors
• Self Testing Circuitry
READ THIS MANUAL CAREFULLY AND
SAVE FOR FUTURE REFERENCE. KEEP
THIS MANUAL WITH THE S-2A.
Introduction
The S-2A vapor-monitoring system utilizes advanced technology for detection of propane (LPG)
fuel vapors as well as CNG (Compressed Natural Gas). The S-2A allows the connection of two
(2) sensors and has both visual and audible alarms. Test switches are provided for full checking
of all operations. System operation and correct sensor operation are continually monitored and
indicators are provided for fault detection. The S-2A has an internal relay for automatic control of
fuel solenoid. Read this owner's manual completely before installation. Failure to read and follow
these instructions can result in damage to the unit voiding the warranty.
Components This Kit Includes
• One S-2A Display w/Bezel
• One SV-1 Solenoid Valve
• One 20 MS-2 Sensor
CAUTION: NO POWER ON/OFF SWITCH IS PROVIDED FOR THIS UNIT. TO
FUNCTION AS INTENDED, THE S-2A MUST BE CONNECTED TO A CORRECT
POWER SOURCE, AND FOR MAXIMUM EFFECTIVENESS, BE POWERED AT
ALL TIMES WHILE ABOARD. IF POWER IS ON AND LEFT UNATTENDED FOR AN
EXTENDED PERIOD OF TIME, BATTERY POWER MAY BE DIMINISHED.
P/N: 18122
S-2A
Installation and Operation Manual
MADE IN THE USA.
• Four screws for the display
• Two screws for the sensor
Page 1
Rev Date: 9/7/07
Rev. 1.0
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Summary of Contents for Fireboy- Xintex S-2A
- Page 1 The S-2A vapor-monitoring system utilizes advanced technology for detection of propane (LPG) fuel vapors as well as CNG (Compressed Natural Gas). The S-2A allows the connection of two (2) sensors and has both visual and audible alarms. Test switches are provided for full checking of all operations.
- Page 2 = Fault Detected, horn beeping Display Installation The S-2A should be mounted in a convenient location, preferably at the source of propane usage (i.e. galley, heater, etc…) where the visual indicators may be readily seen. To install the display, you must first remove the snap-on bezel by inserting a small, flat blade screwdriver into the slot located on either side of the bezel and carefully prying up until the bezel snaps free.
- Page 3 Sensor Installation The sensor supplied with the S-2A includes a standard 20 foot ( 8.29m) cable. If a longer cable is desired contact your dealer or Fireboy-Xintex. Coil excessive cable in a convenient location. Remove the paper covering the adhesive backing...
- Page 4 25’ through 100’. Sensor Connection Plug sensor #1 provided with the S-2A into the connector on the backside of display labeled #1. If installing the optional second sensor, plug sensor #2 into the other connector.
-
Page 5: Operation
= Solenoid Valve Ground (negative) Operation When first turning the unit on, the S-2A goes through an audio/visual cycle of all indicators and the audible horn. Beginning with sensor #1, the indicators will cycle green, amber, and red. This will then continue with sensor #2. If optional sensor #2 is not installed the indicator light will turn off. - Page 6 Should this occur, return the display to the manufacturer for repair. Nuisance Alarms The sensor used for the S-2A is sensitive to hydrocarbons- an alarm may be triggered by the use of other chemicals such as cleaners, paint, polish, etc… The sensors will also detect hydrogen fumes from an overcharged battery.
- Page 7 350-9500. This device is not intended for use in aircraft. There are no user or field serviceable parts in this product. The S-2A must be returned to the manufacturer for any repair or trouble shooting beyond what is recommended in this manual.
- Page 8 One (1) Year Limited Warranty This Warranty is in lieu of all other express or implied warranties. Seller warrants title, materials, and workmanship on Fireboy equipment and assigns, the original manufacturer’s warranty on those components manufactured by others, as permitted. Seller’s warranty shall be for a period of (1) one year from the date of sale to the ORIGINAL CONSUMER Fireboy-Xintex, Inc.
- Page 9 P/N: 18122 Page 9 Rev. 1.0 Rev Date: 9/7/07...
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