Summary of the content on the page No. 1
S-2A
Propane / CNG Fume Detector with Solenoid Valve Control
Installation and Operation Manual
MADE IN THE USA.
• 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
Summary of the content on the page No. 2
Tools Required and Hardware • Screw Drivers (Slotted & Phillips) • Hole Saw 2-1/16” diameter • Electrical Connector Crimping Tool • Two 1 Ampere Fuse With Wire Stripper • Wire Nuts (#16 Gauge Wire) • Power Drill • A Length of #16 Gauge Wire • Electrical Tape • Tape Measure and Pencil • Drill — 3/4 (19.05mm) Diameter • Crescent Wrench • Drill — 1/8” (3-17mm) Diameter • 2 in-Line fuse Holder - Manual Display Controls / Indicator A - Solenoid Valve
Summary of the content on the page No. 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 on the sensor-mounting surface and press the sensor into position on a previously cleaned surface. Install with two (2) screws provided. CAUTION: Do not attempt to use any other manufacturer’s sensor or previo
Summary of the content on the page No. 4
Wiring the S-2A Connect a length of 16-gauge wire from the control panel positive to the +12 VDC terminal on the S-2A display through a 1-amp fuse. Connect a length of 16-gage wire from the control panel buss bar ground to the negative terminal on the S2A display. If you are supplying your own solenoid valve, disconnect solenoid valve from current system and wire solenoid valve to S-2A display using figure 6 on page 4. If you choose to use the valve provided in the carton, which is
Summary of the content on the page No. 5
Overall Wiring Diagram Figure 6 Terminal Strip Connections - 12V = Display Ground (negative) + 12V = Display Positive + V = Solenoid Valve Positive - V = 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 se
Summary of the content on the page No. 6
Functional Testing of the Sensor WARNING: DO NOT use a gasoline soaked rag or a container partially filled with gasoline to test sensor. The raw gas could ignite resulting in serious injury. In addition, the isolated high concentration of fumes may damage the sensor and render it inoperative. To TEST SENSOR use butane lighter with the striker wheel removed. Hold the lighter to the sensor and press down on the lever to release the Butane. In three to four seconds the warning light will
Summary of the content on the page No. 7
Specifications Voltage ………………………………………… +12VDC Nominal (10VDC min to 18VDC max) Current ………………………………………… 150 mA per sensor / 300 mA max (solenoid off) Alarm ………………………………………… 20% Lower Explosive Limit (LEL) Horn ………………………………………… 75dB @ 10cm 3kHz frequency Solenoid Control ……………………………… 1 amp max Solenoid Valve ………………………………… 312 PSI maximum Current Draw (SV-1) ………………………… 800mA holding Options MS-2 Propane Sensor SV-1 Solenoid Control Valve CNV 12-1 12V Converter f
Summary of the content on the page No. 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. does not assume the costs of removal and/or installation of the product
Summary of the content on the page No. 9
P/N: 18122 Page 9 Rev. 1.0 Rev Date: 9/7/07
