Dill 1502 Manuale utente
Thank you for purchasing Dill TPMS Trailer Kit. Properly inflated
tires increase fuel economy, reduce tire wear and increase han-
dling. A warning system to notify you of an underinflated tire will
help give you time to respond prior to potentially damaging your
tire or trailer.
For more information visit our website at http://www.trailertpms.com
Valve stems pictured may differ from stems packed in kit.
Key Features:
Visual and audible warnings
Set desired PSI level
Mounts to windshield or
dashboard
Alerts when tire pressure is too low
Alerts when tire pressure is too high
Alerts when tire temperature is too high
1502
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Table of Content Page
1. Setting Up the System 3
1.1 Transmitter Installation 3
1.2 Install the Display 3
1.3 Setting the Baseline (Cold Inflation) Pressure 3
1.4 Using the External Antenna—RF Interference 4
2. Transmitter Installation: 6
3. System Overview 7
3.1 System Components 7
3.2 How the System Works 7
3.3 Normal Monitoring 9
3.4 Warnings 9
3.5 Display Indicator and Controls 11
3.6 Transmitter Components 11
3.7 Tire Rotation 12
3.8 Wheel Position Numbers 13
4. Specifications:
4.1 Transmitter 14
4.2 Display Unit 14
4.3 Component Part Numbers 15
3
1.0 Setting Up the System
1.1 Transmitter Installation
Have a professional tire retailer install the valves with transmitters in the
wheels. See section 2 for details. Each transmitter has a unique ID and
needs to be installed in the same corresponding position as noted in
Figure on page 13.
1.2.4 If your tire cold inflation pressure is 35 psi, you are done. If it is
something besides 35 psi, complete section 1.3.
1.3 Setting the Baseline (Cold Inflation) Pressure
1.3.1 Set the pressure in all tires to the recommended cold inflation
pressure.
1.3.2 Plug the power cord into the display unit and plug the adapter into
auxiliary power supply.
1.3.3 Hold down the “R/D” button until
you hear a beep.
1.3.4 Press and release the “SET” button.
The display will show “dd” in place
of the pressure readings.
NOTE:
For hardwired connection, black wire is ground and red is positive.
1.2 Install the Display
1.2.1 Install the supplied antenna to your display unit located at the back of
the unit.
1.2.2 Use the display mount to affix the display unit on the windshield or
dashboard. Do not block the driver’s view. Adjust the viewing angle
of the display, if necessary.
1.2.3 Plug the power cord into the display unit and plug the adapter into
auxiliary power supply or hardware to vehicle electrical system.
FIGURE 1
FIGURE 2
4
The display is now in learn mode and will store the cold inflation pres
sure of each tire once it receives a signal from it. The process may take
up to 8 minutes. If all pressures are not received in 8 minutes, the dis
play will shift back to the monitoring mode. The tire positions that did
not register will display 00. You will need to repeat section 1.3.2 until a
signal is received from all tire positions. Driving the vehicle will speed
up the process, since when rotating; the transmitters send a signal more
frequently than when the vehicle is stationary.
If repeating the baseline pressure setting process does not get all the
tires positions to register, or the display to receiving a signal on an
intermittent basis, experimentation with an external antennal and/or
signal booster will be necessary to get the unit to function.
1.4 Using the External Antenna - RF Interference
The system has been tested to work 40 feet, along line-of-sight path
ways. However, tire construction, vehicle construction, electronic
interference and low temperatures all reduce this distance. RF signals
are subject to interference from many types of signals and products,
which can cause errors in the operation of the product. As with cell
phones and other types of electronics using RF signals, signal
interruption can occur and cause lost signal transmission.
External Antenna Installation
19’ COAXIAL
WIRE
DISPLAY/RECEIVER
CONNECTOR
MAGNET NOTE: MAGNETIC
STRENGTH WILL ADHERE
QUICKLY TO ANY METALLIC
OBJECTS. KEEP FINGERS
AWAY FROM THE BOTTOM
OF THE MAGNET.
ANTENNA
FIGURE 3
5
Remove the original antenna from the back of the display unit and replace it
with the coaxial wire antenna via display connector.
Install the magnet/antenna at the rear of the vehicle, which will give it the
nearest proximity to the transmitters. Thus, increasing signal reception
between the display/receiver and transmitters.
Do not install the magnet/antenna directly on the trailer.
It is the installer/end user’s discretion how to install the antenna and coaxial
wire from the exterior and interior of the vehicle cabin.
Installing the external antenna involves a small degree of experimentation
for maximum signal reception. Temporarily connect the antenna cable to the
display, passing the cable through the vehicle’s door or window. This
temporary connection allows you to test the antenna’s location. If the
location you have selected for the antenna has difficulty in picking up signals
from all tire locations, change the antenna’s location slightly and continue to
test. When signals from all tire locations report, install the antenna
permanently in the vehicle.
Caution: Stay away from transmission, oil and exhaust lines avoiding the
inherent heat from those locations which can melt the coaxial cable.
If proper reception is not achieved with the external antenna, a signal boost
will be required.
A signal booster is an optional part for trailers. It enhances the signal from
the transmitters. A signal booster is recommended to effectively receive the
signals from each transmitter, when there may be interference from
electronics, trailer configuration, length, etc.
6
2.0 Transmitter Installation
Before installation into the rim hole, you must assemble the transmitter and
valve stem together.
2.1 Unscrew the hex nut and remove the metal washer from the valve stem.
2.2 Place the valve stem onto the transmitter and use the lock washer &
screw to hold valve stem against the transmitter body.
Note: DO NOT TIGHTEN THE SCREW.
2.3 Insert the valve stem through the rim hole and verify that the rubber grom
met is seated against the rim hole surface.
2.4 Adjust the angle of the transmitter body and verify the transmitter is
resting flat against the wheel rim surface.
2.5 Tighten the screw at 35 inch pounds into the valve stem at the same time
verify 3 conditions:
2.5.1 At least one of the transmitter’s feet always contacts the rim surface.
2.5.2 The grommet is fully seated against the valve hole.
2.5.3 From the outside of the wheel, the valve stem is perpendicular to the
rim’s valve hole.
2.6 Place the metal washer and hex nut on the valve stem and turn the hex
nut clockwise until the rubber grommet is pressed against the wheel rim
surface.
2.7 Tighten the hex nut 35 to 40 inch pounds of torque to secure the
valve stem to the rim. Verify at least one of the transmitter’s feet has
direct contact on the wheel rim surface. If not, uninstall the
transmitter and redo it from 2.5.
2.8 Lock the wheel rim on the tire changer. Apply lubricant on both tire beads
and rim. Mount the lower tire bead on the rim. Ensure that the tire bead
does not touch the electronic module during mounting.
2.9 Mount the upper tire bead the same way and inflate the tire to standard
cold inflation pressure. Avoid damaging the antenna.
Wheel
Mount
Head
Transmitter
Wheel
Mount
Head
Transmitter
Note: The grommet, metal washer, hex nut and valve core must be replaced
at each tire change.
FIGURE 4
7
3.2 How the System Works
A transmitter connected to a valve stem is installed in each wheel,
which monitors pressure and temperature conditions inside each
tire of the vehicle. This data is wirelessly sent to the receiver that is
installed on the vehicle. The receiver displays the pressure and
temperature for each tire position. When an abnormal condition is
detected, the display will alert the driver.
2.10 Apply soap suds or commercial leak detection solution on the valve tip,
grommet / rim seal. If no leakage is found, install the valve cap. Other
wise, re-inspect and resolve leak issue.
2.11 Dynamically balance the wheel before it is put back on the vehicle.
ANTENNA
DISPLAY MOUNT
12V DC POWER
CORD & HARD-
WIRE
CONNECTION
TRANSMITTER
WITH VALVE
EXTERNAL
ANTENNA
(IF NEEDED)
FIGURE 6
DISPLAY
UNIT
3.0 System Overview
The TPMS trailer kit monitors tire pressure and temperature. It will provide
warnings about abnormal conditions such as low pressure, high pressure,
and high temperature.
3.1 System Components
FIGURE 5
8
The display is preprogramed to provide a warning if the pressure drops 20% below or
30% above the cold inflation pressure. It will also give a high temperature warning if
the temperature exceed 176°F. The high temperature warning point is not adjustable.
The system is shipped with the baseline (cold inflation) pressure set at 35 psi. At this
setting, the display will provide a low pressure warning at 28 psi and a high pressure
warning at 46 psi. You can set the baseline pressure (see Setting the Baseline (Cold
Inflation) pressure in Setting up the System on page 3) up to 144 psi and the display
will automatically provide a low pressure warning at 20% below and 30% above the
baseline setting.
Examples:
Cold Inflation
Pressure Low Pressure
Alarm High Pres-
sure Alarm
45 psi 36 psi 59 psi
65 psi 52 psi 85 psi
90 psi 72 psi 117 psi
FIGURE 7
9
3.3 Normal Monitoring
3.3.1 Stationary State:
The transmitter will transmit tire pressure and temperature data to the
display at 2-minute intervals. As the data is received, the display will
refresh.
3.3.2 Moving State:
The inertial switch of transmitter is on when the speed exceeds
16mph.
The transmitter will transmit tire pressure and temperature data to the
display at 30-second intervals. As the data is received, the display
will refresh.
3.4 Warnings
3.4.1 Low Pressure Warning
If the pressure in a tire is 20% lower than the cold inflation pressure
setting, then the following will occur:
1. The display will show the pressure of the abnormal tire and the dig-
its will flash.
2. An audible alert warning sound will be heard.
3. The abnormal icon will show up.
4. The system will only display the abnormal tire. By pressing “SET”
or “R/D”, you can temporarily view other tires.
The system will not return to normal monitoring until the
problem(s) is corrected.
3.4.2 High Pressure Warning
If the pressure in a tire is 30% higher than the cold inflation pressure
setting, then the following will occur:
1. The display will show the pressure of the abnormal tire and the dig-
its will flash.
2. An audible alert warning sound will be heard.
3. The abnormal icon will show up.
4. The system will only display the abnormal tire. By pressing “SET”
or “R/D” you can temporarily view other tires.
The system will not return to normal monitoring until the
problem(s) is corrected.
10
3.4.3 High Temperature Warning
When the temperature in a tire exceeds 176°F, the following will oc-
cur:
1. The display will show the temperature of the abnormal tire and the
digits will flash.
2. An audible alert warning sound will be heard.
3. The abnormal icon will show up.
4. The system will only display the abnormal tire. By pressing “SET”
or “R/D” you can temporarily view other tires.
The system will not return to normal monitoring until the prob-
lem(s) is corrected.
3.4.4 Monitor System Malfunction if the display does not receive a signal
from a transmitter(s) in the tires for more than 30 minutes*, the dis
play screen will display as dashed lines “- - -” .
NOTE:
When the dash lines ”- - -” appears, it will not be dismissed from
the display even if you restart the unit. When the receiver
(display unit) receives an updated signal from the transmitter(s),
the dashed lines will disappear.
If you are not receiving a signal from the transmitter(s), verify the
following conditions.
1. Power off the display unit and restart the system. The system will
return to normal monitoring after properly receiving signals from
the transmitter(s).
2. Check your antenna connection.
If the display unit is working properly and it still does not receive
a signal from the transmitter(s), then the transmitter(s) and id
module(s) must be replaced simultaneously.
3. “Er” indicates there is no chip in the position, the chip is not
correctly inserted into the display or the chip is not functioning.
Indice
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