Instructions / Assembly

MTI INDUSTRIES, Inc. ™
RV PROPANE GAS DETECTOR
MODEL 20-441-P
USER’S MANUAL
IMPORTANT
PLEASE READ CAREFULLY
This manual contains important information. Anyone
who installs this unit for use by others must leave this
manual with the owner. Do not throw this out.
Manual #204207-7
RECREATIONAL VEHICLE GAS DETECTOR
FILE NO. E151570
IMPORTANT: Always follow the operation and safety
instructions of the gas appliance manufacturer.
!
WARNING
CONNECT ONLY TO WIRING THAT CANNOT
BE TURNED OFF BY A WALL SWITCH OR
GROUND FAULT PROTECTOR.
IMPORTANT: Failure to follow the installation
instructions may void the warranty.
SPECIAL FEATURES OF THE
MTI INDUSTRIES ™ GAS DETECTORS
This MTI Industries
propane gas Detector is listed by
Underwriters Laboratories, Inc. for use in recreational
vehicles. Other explosive gases detected but not tested by
Underwriters Laboratories include Acetone, Alcohol,
Butane, Gasoline all of which you may have in your
Trailer, Truck Camper, Van Camper or Motorhome.
When dangerous levels of propane gas (< 25% LEL) are
detected the Detector signal will activate. A reset/mute
circuit can be activated to temporally silence the Detector
while you ventilate.
RECOMMENDED WIRE GAUGE....................14 GA.
POWER SUPPLY..............................................12 vDC
WIRE COLOR CODE: RED SUPPLY (+)
BLACK GROUND (-)
FUSED CIRCUIT MAXIMUM.........................15 AMP
!
WARNING
LIMITATIONS OF
PROPANE GAS DETECTORS
THIS UNIT will not work without power. Examples
causing no power are: Cut lead wires, faulty circuit
connection, a blown or missing fuse, improper supply
(+) or ground (-) connections.
This Detector will only indicate the presence of
propane gas at the sensor. Explosive gas may be
present in other areas.
This Detector may not be heard. The Detector
loudness meets or exceeds regulatory standards.
However, if this Detector is in remote locations or
behind closed doors the Detector may not be heard.
Persons who are hard of hearing may not hear the
Detector.
This Detector is not a smoke or fire Alarm. It is also
not a carbon monoxide alarm.
This Detector is not suitable for installation in hazardous
areas as defined in the National Electrical Code.
HOW TO TAKE CARE OF YOUR DETECTOR
To keep your Detector in good working order, you must;
Test the Detector weekly. (See “TEST
PROCEDURE”)
Observe the color of the indicator light on the front
of the unit regularly. (See “Operating Instructions”)
Vacuum the dust off the Detector cover weekly,
(more frequently in dusty locations), using the soft
brush attachment of your vacuum.
Clean the Detector cover weekly. Hand wash using
a damp cloth, or paper towel. Dry with a soft cloth.
DO NOT SPRAY CLEANING AGENTS OR
WAXES directly onto the front panel. This action
may damage the sensor, cause an Alarm or cause a
malfunction.
WHERE TO INSTALL GAS DETECTORS
This Detector is UL
®
listed for installation in
recreational vehicles. Install this Detector near sources
of a potential gas leak. Some potential sources are a
furnace, water heater, stove or oven. If potential sources
of a gas leak are in separated areas, MTI recommends
installing a Detector in each area. See Figure 1 and 2.
CAUTION: Propane is heavier than air. For
propane gas detection, install this Detector from 4
to 20 inches off the floor.
!
WARNING
WHERE NOT TO INSTALL THIS GAS
DETECTOR. See Figure 3.
BEHIND FURNITURE, DRAPES, IN
CLOSETS OR AREAS THAT WILL BLOCK
AIR FLOW TO THE DETECTOR.
WITHIN 12 INCHES OF EXTERIOR DOORS,
WINDOWS, HEATING OR RETURNS
VENTS, OR OTHER DRAFTY AREAS.
IN OR ON OUTSIDE WALLS
TO A WALL SWITCH CONTROLLED
POWER LINE, GROUND FAULT CIRCUIT
OR CIRCUIT BREAKER.
NOTE: Older homes and RVs may have little or no
insulation and therefore are more drafty. Carefully
consider mounting locations.
INSTALLATION INSTRUCTIONS
Power Supply 12 vDC. Connect the Detector to a
properly fused circuit. All connections must be in
accordance with the National Electrical Code.
CAUTION: ONLY USE UL
®
APPROVED
CONNECTORS DISCONNECT POWER UNTIL THE
INSTALLATION IS COMPLETE
20-441-P: REFER TO (“WHERE TO AND NOT TO
INSTALL GAS DETECTOR”) Install the back plate
and drill a ¼” hole for the power leads. Connect the
RED (+) power lead to the fused circuit. Connect the
BLACK lead to Ground (-). Slide the Detector
enclosure onto the mounting plate. Reconnect the power
supply.
D o not install within 12" of
a window that can open
D o not install within
12" of a door
D o not install
within 12" of vents
D o N ot install behind
drapes or furniture
DO NOT INSTALL
Figure 1
Figure 2
Figure 3
OPERATION
!
WARNING: This Detector cannot detect propane
gas or sound the Alarm for two minutes after it has been
turned on.
POWER ON: When powered the LED color will be
Green (Operational).
U
L
R
LISTED

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