Dill 1502 Manuel utilisateur

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

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

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

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

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.

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

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

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

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.

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.

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