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' 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 THIS MANUAL CAREFULLY AND
SAVE FOR FUTURE REFERENCE KEEP
THIS MANUAL WITH THE S2A system utilizes advanced technology for detection of propane LPG
fuel vapors as well as CNG Compressed Natural Gas The S2A 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 are provided for fault detection The S2A has an internal
relay for automatic control of
fuel solenoid Read this owners manual completely before installation Failure to read and follow
these 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 NO POWER ONOFF SWITCH IS PROVIDED FOR THIS UNIT TO
FUNCTION AS INTENDED THE S2A MUST BE CONNECTED TO A CORRECT
POWER SOURCE AND FOR MAXIMUM BE POWERED AT
ALL TIMES WHILE ABOARD IF POWER IS ON AND LEFT UNATTENDED FOR AN
EXTENDED PERIOD OF TIME BATTERY POWER MAY BE 18122 Page 1 Rev 10
Rev Date 9707
Tools 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 Indicator
A Solenoid Valve Indicator
B Sensor 1 Indicator
C Sensor 2 Indicator
D Unit Fault Indicator
E Solenoid Valve OnOff Switch
F Sensor 1 Test Switch
C Sensor 2 Test Switch
H Horn Mute Switch
I Audible Horn Indicator
Green Solenoid Control on
Off Solenoid Control off
Sensor 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 powerup
Unit Fault
Off Unit Functional
Amber Fault Detected horn S2A should be mounted in a convenient location preferably at the source of propane usage
ie galley heater etc where the visual indicators may be readily seen To install the display
you must first remove the snapon 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 See figure 5
CAUTION Do not attempt to remove the four 4 screws which are now exposed which attach
the printed circuit panel to the frame Doing so will void all drill a 21 16 diameter hole into the panel Slip the instrument through the hole and
secure making sure that you have access to the terminals for solenoid valve connections positive
and negative terminal connections and sensors in your sensor to connector one and make positive and negative connections for the display
and solenoid valve Finish the installation by fastening to panel with four screws provided and
snapping bezel back into 18122 Page 2 Rev 10
Rev Date sensor supplied with the S2A includes a
standard 20 foot 829m cable If a longer cable
is desired contact your dealer or excessive cable in a convenient the paper covering the adhesive backing
on the surface and press the
sensor into position on a previously Install with two 2 screws Do not attempt to use any sensor or previously
Figure 2
Sensor Propane is heavier than air and will
settle Therefore it is important that a location be
selected that is as low as practical and as near the
appliance as is possible Keep sensor dry
CNG Compressed Natural Gas is lighter than air and will rise Therefore it is important that a
location be selected that is within nine 9 inches 2286cm of the ceiling height Do not locate
sensor directly over cooking or heating appliances Keep sensor LPG Mount the solenoid inline on the tank
side of the LPG regulator as close to the tank as is tank itself should be mounted outside the cabin or
crew quarters to avoid the possibility of gas to a leak between the tank and the solenoid valve
CNG Because of the high tank pressure of CNG the
solenoid valve MUST be installed after the CNG regulator
and as close to the regulator as practical The tank
and regulator should be mounted outside the cabin or
crew quarters to avoid the possibility of gas to a leak between the tank and the solenoid valve
NOTE DO NOT overtighten fittings Doing so will cause
the solenoid valve to malfunction After installation check
all fittings for leaks with a soapy water solution NEVER Figure 3
use flame to check for leaks Use 2 wrenches when to avoid twisting the valve and causing 18122 Page 3
Rev 10
Rev Date the S2A
Connect a length of 16gauge wire from the control panel positive to the 12 VDC terminal on
the S2A display through a 1amp fuse Connect a length of 16gage 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 S2A display using figure 6 on page 4
If you choose to use the valve provided in the carton which is wire solenoid valve
to S2A display using figure 6 on page 4
Quick Disconnect Style Sensor with 20 sensor cable is included The plug
is 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
into place by pushing the side locks in This ensures a watertight seal No need to reroute
or replace the 20 sensor cable NOTE If longer sensor length is necessary contact your retailer
or our factory for lengths 25 through 100
Sensor sensor 1 provided with the S2A into the connector on the backside of display labeled 1 If
installing the optional second sensor plug sensor 2 into the other Figure 5
PN 18122 Page 4 Rev 10
Rev Date Wiring Diagram
Figure 6
Terminal Strip Connections
12V Display Ground negative
12V Display Positive
V Solenoid Valve Positive
V Solenoid Valve Ground first turning the unit on the S2A goes through an audiovisual 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 The unit fault indicator will then illuminate and then the horn will beep
The sensor lights may flash green during the warmup period This flashing will occur only if a
sensor is connected Warmup time will vary depending upon usage of the unit Long periods of
inactivity will require long warmup periods After the warmup period the indicator will change
to green It a sensor is not installed the sensor indicator will turn off The solenoid control may be
tested by pressing the solenoid switch Pressing this switch again will turn the solenoid Be certain solenoid switch is on Gas will not flow through
the either of the sensors detect propane or CNG fumes the corresponding indicator 1 or 2
will change to red and the audible horn will sound The indicator will remain red as long as fumes
are detected The solenoid control will turn off Do NOT consider the area clear until the returns to Display Mode
Internal operation of the display mode may be tested using the corresponding TEST the test buttons will simulate the above alarm 18122
Page 5 Rev 10
Rev Date Testing of the 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 of fumes may damage the sensor and render it 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 come on In about ten seconds the alarm horn will sound Remove lighter from the
sensor Mute the alarm horn and within several seconds the warning light will shut the S2A alarms the horn may be muted with the MUTE button but THE
PROBLEM SHOULD NOT BE CONSIDERED CLEARED UNTIL THE ALARM LIGHT
GOES OUT
Sensor 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 and
that wiring has not been frayed or cut Should this condition persist the sensor has been damaged
and must be Fault an internal failure occur the unit fault light will display amber and the horn will sound
Should this occur return the display to the manufacturer for Alarms
The sensor used for the S2A 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 from an overcharged battery If no gasoline fumes are present check
for recent use of
cleaners fiberglass repairs strong adhesives etc If none of these are present the sensor may
have been damaged and will need S2A has been designed to alarm nominally at 20 of the LEL Lower Explosive Limit Implement immediately the following
procedures in the event of an alarm Shut
down all appliances Manually shut oft the source of PropaneCNG Turn off all electrical circuits which operate blowers andor exhaust fans Remove all
personnel from the
area Ventilate the area turn on exhaust fans and open windows hatches etc Carefully check
all 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 or
damage Check that sensor wires are not frayed pinched or cut Test the operation of both
sensors and display frequently Do NOT expose sensors to liquids or cleaning seal off the sensors with a plastic covering Harsh chemicals may damage
sensor Keep sensors sealed until the compartment has been completely DO NOT FORGET TO REMOVE SENSOR COVERINGS OR THE S2A WILL
NOT OPERATE 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 MS2 Propane Sensor
SV1 Solenoid Control Valve
CNV 121 12V Converter for 2432 volt systems
All Options are available from Contact the Customer Service Department at 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 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 Safety Products from Clean Agent Automatic Fire Clean Agent Manual Automatic Fire
M1 M2A Gasoline Fume Detectors
MB1 MB2 Gasoline Fume Detectors with Blower Control
CMD4M Carbon Monoxide 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 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 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 neglect accident incorrect wiring not our own
improper installation or servicing or used in violation of the instructions furnished
by Inc b the product has not been repaired or altered by anyone
other than 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 Inc is notified
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
INC ANY OTHER LIABILITY IN CONNECTION WITH
THE SALE OF ITS PRODUCTS 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 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 18122 Page 8 Rev
Rev Date 9707
PN 18122 Page 9 Rev 10
Rev Date 9707

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