' Xintex S 2a Propane Monitor Manual'
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S2A 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 CircuitryREAD THIS MANUAL CAREFULLY ANDSAVE FOR FUTURE REFERENCE KEEPTHIS MANUAL WITH THE S2A system utilizes advanced technology for detection of propane LPGfuel vapors as well as CNG Compressed Natural Gas The S2A allows the connection of two2 sensors and has both visual and audible alarms Test switches are provided for full checkingof all operations System operation and correct sensor operation are continually monitored andindicators are provided for fault detection The S2A has an internal relay for automatic control offuel solenoid Read this owners manual completely before installation Failure to read and followthese instructions can result in damage to the unit voiding the This Kit Includes One S2A Display wBezel Four screws for the display One SV1 Solenoid Valve Two screws for the sensor One 20 MS2 SensorCAUTION NO POWER ONOFF SWITCH IS PROVIDED FOR THIS UNIT TOFUNCTION AS INTENDED THE S2A MUST BE CONNECTED TO A CORRECTPOWER SOURCE AND FOR MAXIMUM EFFECTIVENESS BE POWERED ATALL TIMES WHILE ABOARD IF POWER IS ON AND LEFT UNATTENDED FOR ANEXTENDED PERIOD OF TIME BATTERY POWER MAY BE DIMINISHEDPN 18122 Page 1 Rev 10 Rev Date 9707Tools Required and Hardware Screw Drivers Slotted Phillips Hole Saw 2116 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 34 1905mm Diameter Crescent Wrench Drill 18 317mm Diameter 2 inLine fuse Holder Manual Display Controls IndicatorA Solenoid Valve IndicatorB Sensor 1 IndicatorC Sensor 2 IndicatorD Unit Fault IndicatorE Solenoid Valve OnOff SwitchF Sensor 1 Test SwitchC Sensor 2 Test SwitchH Horn Mute SwitchI Audible Horn Indicator Green Solenoid Control on Off Solenoid Control offSensor 1 2 Green Sensor active no fumes detected Figure 1 Amber Sensor failure Red Fumes detected alarm condition Flashing Green Sensor warm up period Off No sensor detected on powerupUnit Fault Off Unit Functional Amber Fault Detected horn beepingDisplay S2A should be mounted in a convenient location preferably at the source of propane usageie galley heater etc where the visual indicators may be readily seen To install the displayyou must first remove the snapon bezel by inserting a small flat blade screwdriver into the slotlocated on either side of the bezel and carefully prying up until the bezel snaps free See figure 5CAUTION Do not attempt to remove the four 4 screws which are now exposed which attachthe printed circuit panel to the frame Doing so will void all warrantiesNext drill a 21 16 diameter hole into the panel Slip the instrument through the hole andsecure making sure that you have access to the terminals for solenoid valve connections positiveand negative terminal connections and sensors in your sensor to connector one and make positive and negative connections for the displayand solenoid valve Finish the installation by fastening to panel with four screws provided andsnapping bezel back into placePN 18122 Page 2 Rev 10 Rev Date 9707Sensor sensor supplied with the S2A includes astandard 20 foot 829m cable If a longer cableis desired contact your dealer or excessive cable in a convenient locationRemove the paper covering the adhesive backingon the sensormounting surface and press thesensor into position on a previously cleanedsurface Install with two 2 screws Do not attempt to use any sensor or previously Figure 2Sensor Propane is heavier than air and willsettle Therefore it is important that a location beselected that is as low as practical and as near theappliance as is possible Keep sensor dryCNG Compressed Natural Gas is lighter than air and will rise Therefore it is important that alocation be selected that is within nine 9 inches 2286cm of the ceiling height Do not locatesensor directly over cooking or heating appliances Keep sensor drySolenoid LPG Mount the solenoid inline on the tankside of the LPG regulator as close to the tank as is practicalThe tank itself should be mounted outside the cabin orcrew quarters to avoid the possibility of gas to a leak between the tank and the solenoid valveCNG Because of the high tank pressure of CNG thesolenoid valve MUST be installed after the CNG regulatorand as close to the regulator as practical The tankand regulator should be mounted outside the cabin orcrew quarters to avoid the possibility of gas to a leak between the tank and the solenoid valveNOTE DO NOT overtighten fittings Doing so will causethe solenoid valve to malfunction After installation checkall fittings for leaks with a soapy water solution NEVER Figure 3use flame to check for leaks Use 2 wrenches when to avoid twisting the valve and causing damagePN 18122 Page 3 Rev 10 Rev Date 9707Wiring the S2AConnect a length of 16gauge wire from the control panel positive to the 12 VDC terminal onthe S2A display through a 1amp fuse Connect a length of 16gage wire from the control panelbuss bar ground to the negative terminal on the S2A displayIf you are supplying your own solenoid valve disconnect solenoid valve from current system andwire solenoid valve to S2A display using figure 6 on page 4If you choose to use the valve provided in the carton which is nonpolarized wire solenoid valveto S2A display using figure 6 on page 4Quick Disconnect Style Sensor with 20 sensor cable is included The plugis located 12 from the red sensor In the event you need to replace the red sensor it at the plug and remove When reattaching the sensor make sure the connectorsnaps into place by pushing the side locks in This ensures a watertight seal No need to rerouteor replace the 20 sensor cable NOTE If longer sensor length is necessary contact your retaileror our factory for lengths 25 through 100Sensor ConnectionPlug sensor 1 provided with the S2A into the connector on the backside of display labeled 1 Ifinstalling the optional second sensor plug sensor 2 into the other connector Figure 5PN 18122 Page 4 Rev 10 Rev Date 9707Overall Wiring Diagram Figure 6Terminal Strip Connections 12V Display Ground negative 12V Display PositiveV Solenoid Valve Positive V Solenoid Valve Ground first turning the unit on the S2A goes through an audiovisual cycle of all indicators andthe audible horn Beginning with sensor 1 the indicators will cycle green amber and red Thiswill then continue with sensor 2 If optional sensor 2 is not installed the indicator light will turnoff The unit fault indicator will then illuminate and then the horn will beepThe sensor lights may flash green during the warmup period This flashing will occur only if asensor is connected Warmup time will vary depending upon usage of the unit Long periods ofinactivity will require long warmup periods After the warmup period the indicator will changeto green It a sensor is not installed the sensor indicator will turn off The solenoid control may betested by pressing the solenoid switch Pressing this switch again will turn the solenoid offCAUTION Be certain solenoid switch is on Gas will not flow through the systemShould either of the sensors detect propane or CNG fumes the corresponding indicator 1 or 2will change to red and the audible horn will sound The indicator will remain red as long as fumesare detected The solenoid control will turn off Do NOT consider the area clear until the indicatorlight returns to greenTesting Display ModeInternal operation of the display mode may be tested using the corresponding TEST switchPressing the test buttons will simulate the above alarm conditionsPN 18122 Page 5 Rev 10 Rev Date 9707Functional Testing of the SensorWARNING DO NOT use a gasoline soaked rag or a container partially filled with gasoline totest sensor The raw gas could ignite resulting in serious injury In addition the isolated of fumes may damage the sensor and render it inoperativeTo TEST SENSOR use butane lighter with the striker wheel removed Hold the lighter to thesensor and press down on the lever to release the Butane In three to four seconds the warninglight will come on In about ten seconds the alarm horn will sound Remove lighter from thesensor Mute the alarm horn and within several seconds the warning light will shut offWhenever the S2A alarms the horn may be muted with the MUTE button but THEPROBLEM SHOULD NOT BE CONSIDERED CLEARED UNTIL THE ALARM LIGHTGOES OUTSensor Fault the unit determine that either of the sensors is faulty or disconnected the will change to amber and the horn will sound Check that the sensor is connected andthat wiring has not been frayed or cut Should this condition persist the sensor has been damagedand must be replacedUnit Fault an internal failure occur the unit fault light will display amber and the horn will soundShould this occur return the display to the manufacturer for repairNuisance AlarmsThe sensor used for the S2A is sensitive to hydrocarbons an alarm may be triggered by the useof other chemicals such as cleaners paint polish etc The sensors will also detect hydrogenfumes from an overcharged battery If no gasoline fumes are present check for recent use ofcleaners fiberglass repairs strong adhesives etc If none of these are present the sensor mayhave been damaged and will need S2A has been designed to alarm nominally at 20 of the LEL Lower Explosive Limit ofPropaneCNG Implement immediately the following procedures in the event of an alarm Shutdown all appliances Manually shut oft the source of PropaneCNG Turn off all electrical circuitsEXCEPT circuits which operate blowers andor exhaust fans Remove all personnel from thearea Ventilate the area turn on exhaust fans and open windows hatches etc Carefully checkall fuel lines tanks and fittings to locate the leak Have the problem repaired by S2A requires very little maintenance Periodically examine the sensors for contamination ordamage Check that sensor wires are not frayed pinched or cut Test the operation of bothsensors and display frequently Do NOT expose sensors to liquids or chemicalsWhen cleaning seal off the sensors with a plastic covering Harsh chemicals may damage thesensor Keep sensors sealed until the compartment has been completely DO NOT FORGET TO REMOVE SENSOR COVERINGS OR THE S2A WILLNOT OPERATE CORRECTLYPN 18122 Page 6 Rev 10 Rev Date 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 SV1 800mA holdingOptions MS2 Propane Sensor SV1 Solenoid Control Valve CNV 121 12V Converter for 2432 volt systemsAll Options are available from FireboyXintex Contact the Customer Service Department at 8663509500 Visa Mastercard or COD accepted WARNING The S2A is a propaneCNG Compressed Natural Gas detector ONLY This device is meant to serve as a supplement warning only It is NOT intended to replace standard safety practices which should be carried out around explosive gases ie inspect all rooms and compartments check all gas fittings and connections smell for propaneCNG gas fumes etc To function properly the S2A must be powered at all times while aboard Do not install this outdoors Before installing in applications which may appear different than those outlined in this manual contact FireboyXintex 866 3509500 This device is not intended for use in aircraft There are no user or field serviceable parts in this product The S2A must be returned to the manufacturer for any repair or trouble shooting beyond what is recommended in this manual Installation shall be done by qualified personnel authorized to do so by the authorities having jurisdiction for the particular application in which the product is being used Electrical wiring shall be in accordance with applicable codes Improper wiring including all wire connections may render the unit inoperable damage components or cause a fire and will void all warrantiesMore Safety Products from FIREBOYXINTEX Clean Agent Automatic Fire Extinguishers Clean Agent Manual Automatic Fire Extinguishers M1 M2A Gasoline Fume Detectors MB1 MB2 Gasoline Fume Detectors with Blower Control CMD4M Carbon Monoxide DetectorsPN 18122 Page 7 Rev 10 Rev Date 9707 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 manufacturers warranty on those components manufactured by others as permitted Sellers warranty shall be for a period of 1 one year from the date of sale to the ORIGINAL CONSUMER FireboyXintex Inc does not assume the costs of removal andor installation of the product or any other incidental costs which may arise as a result of any defect in materials or workmanship Any non conforming equipment returned to the Seller at Buyers expense and risk shall be repaired or replaced at Sellers option provided that a the product has not been subjected to abuse contamination neglect accident incorrect wiring not our own improper installation or servicing or used in violation of the instructions furnished by FireboyXintex Inc b the product has not been repaired or altered by anyone other than FireboyXintex Inc c the serial number has not been removed defaced or otherwise changed d the product is determined to contain defective materials or workmanship and e use of the product is discontinued upon discovery of detective materials or workmanship and FireboyXintex Inc is notified immediately ANY WARRANTY IMPLIED BY LAW INCLUDING WARRANTIES OF OF FITNESS IS IN EFFECT ONLY FOR THE DURATION OF THE EXPRESS WARRANTIES OR TO ASSUME FOR FIREBOYXINTEX INC ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF ITS PRODUCTS FIREBOYXINTEX INC SHALL BE NOT LIABLE FOR THE LOSS OF USE REVENUE PROFIT INJURY OR ANY OTHER CONSEQUENTIAL OR INCIDENTAL DAMAGES BUYER IS NOT RELYING ON SELLERS JUDGEMENT REGARDING BUYERS PARTICULAR REQUIREMENTS AND HAS HAD AN OPPORTUNITY TO INSPECT THE PRODUCT TO BUYERS SATISFACTION FIREBOYXINTEX Inc Mailing Address PO Box 152 Grand Rapids MI USA 495010152 Shipping Address O379 Lake Michigan Drive NW Grand Rapids MI USA 49534 Phone 616 7359380 Fax 616 7359381 Website Email TOLL FREE 18663509500PN 18122 Page 8 Rev 10 Rev Date 9707PN 18122 Page 9 Rev 10 Rev Date 9707
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