Easystreet 27600 User manual

EasyStreetDigitalController
KitNo.27600
MN-628
(04507)
ECR 5262
Pleasereadtheseinstructionscompletely
beforeproceedingwithinstallation
Failure to read these instructions can result in mis-installation
www.airliftcompany.com
“The Choice of the Professional Installer”
For Technical Assistance call 1-800-248-0892
Thank you for purchasing Air Lift Products
Mailing Address: Street Address:
AIR LIFT COMPANY AIR LIFT COMPANY
P.O. Box 80167 2727 Snow Rd.
Lansing, MI 48908-0167 Lansing, MI 48917
Local Phone: (517) 322-2144
Fax: (517) 322-0240
Installing the Digital Controller
System Requirements ............................................ 1
ECU Diagram ....................................................... 1
Setting the Features .............................................. 1
Preparing the System ............................................ 3
Mounting the Display Panel ................................... 4
*Kit Installation Diagram ....................................... 5
Valve Wiring and Plumbing Schematic ................... 7
Assembling the Transducer .................................... 8
Attaching the ECU and Display Panel .................... 8
Operational Instructions ........................................ 9
EASYSTREET
EASYSTREET

Amperage
Do not exceed three amps of current per each one
of the installed valves.
Gross Vehicle Weight Rating (GVWR)
IMPORTANT: The installation of this kit does not
alter the GVWR or payload of the vehicle. Check
your vehicle’s owner’s manual and do not exceed
the maximum load listed for your vehicle.
System Requirements
Gross Vehicle Weight Rating - The maximum
allowable weight of the fully loaded vehicle (including
passengers and cargo). This number - along with
other weight limits, as well as tire, rim size and
inflation pressure data - is shown on the vehicle’s
Safety Compliance Certification Label.
Payload - The combined, maximum allowable weight
of cargo and passengers that the truck is designed to
carry. It is GVWR minus the Base Curb Weight.
System Requirements/ECU Diagram
1
ABC
D
E
I
HG
F
K
J
L
Tune Feature
Using the tune feature must be done before attempting any other function. The tune feature will
allow the controller to learn the exact pressures needed to lift your vehicle. By knowing this, it will
prevent the system from over-shooting your preset ride height.
1. Make sure your tank is full and your vehicle is at 0 PSI. Press and hold the Ride Height button (B) for
greater than 3 seconds until “Edit Options” appears.
2. Press the Right Front Inflate button (J) and scroll through the Edit Options menu until you see “Tune”. Turn the
tune feature on by pressing the Left Rear Inflate button (F). Exit out of the Edit Options menu by pressing the
Ride Height button (B). Wait for the controller to learn your vehicle. This may take a few minutes.
Setting Ride Height
Tank pressure must be over 145 PSI to set the ride height.
1. Make sure your tank is full. Set your vehicle to ride height manually using the individual wheel control
buttons. We recommend inflating all four corners and slowly deflating each one at a time until the desired
ride height is achieved. Ride height must be set above 30 PSI.
2. Press and hold the Ride Height button (B) for 1-3 seconds. Your settings are now saved. You may now
achieve ride height by pressing the Ride Height button (B).
A
B
C
D
E
F
All Lowered
Ride Height and Access Menu Features
All Raised
G
H
I
J
K
Right Rear Deflate
Right Rear Inflate
Left Rear Inflate
Left Rear Deflate
Display Screen
L
Left Front Inflate
Left Front Deflate
Right Front Inflate
Right Front Deflate
Setting the Features - A Quick Guide
10
Operational Instructions
Operational Instructions (Continued)
ECU Diagram
Ride-height button:
• The ride-height button has different functionality based on the length of time it is pressed.
•Short Press (less than 1 second)
• If in auto-mode, the system returns to manual-mode.
• If not in auto-mode, the system engages ride-height using the previously saved ride-height settings. If auto-pressure-
regulation is enabled, the system enters auto-mode and maintains the airbag pressures automatically. If auto-pressure-
regulation is not enabled, the sytem reverts to manual-mode after the airbag pressures are set. If the air tank pressure is
too low (less than 135 psi), “Low Air” will be displayed and the system will remain in manual mode.
• If any air bag pressure is at less than 30 psi, the system will initially attain pressures that are 10 psi greater than the ride
height settings. The system will establish the desired ride height setting in approximately 15 seconds.
•Medium Press (between 1 and 3 seconds - “Set Ride Ht” is displayed)
• If the system is in auto-mode, “Set Ride Ht” is not displayed and the system remains in auto-mode at the current settings.
• If the system is not in auto-mode, it reads the current air bag pressures, saves these as the new settings, and then engages ride-
height. If auto-pressure-regulation is enabled, the system enters auto-mode and maintains the air bag pressures automatically. If
auto-pressure-regulation is not enabled, the system reverts to manual-mode after the air bag pressures are set.
• If the airbag pressures are outside the allowed range for ride height (30-120 psi) “Range” will be displayed and the
system will not accept the new settings.
•Long Press (greater than 3 seconds - “Edit Options” is displayed)
• The system enters option-mode to allow editing of the system options. Use the right-front buttons to select an
option, the left rear buttons to change the option-setting.
• Press the ride-height button to exit option editing and to return to the previous operating mode. If system was in
auto-mode but “Auto” is now disabled, it returns to manual-mode.
If Ride Ht is enabled, the system will set the airbag pressures to the saved setting values on start-up. If Auto is enabled,
the system will then enter auto-mode. If Auto is not enabled, the system will then go to manual-mode after the pressures
are properly set.
User Interface:
Front and rear button groups:
• These eight (8) buttons open the corresponding solenoid valve when pressed.
• In auto-mode, the system returns to the manual-mode if any of these buttons are pressed.
• In option-mode, the right-front buttons scroll through the options, while the left-rear buttons modify the displayed
option’s value.
All-up/all-down buttons:
• Open all fill or dump solenoid valves when pressed.
• In auto-mode, the system returns to manual-mode if either of these buttons are pressed.

92
Setting the Features
Using the Voltometer
1. Press and hold the Ride Height button (B) for greater than 3 seconds until “Edit Options” appears.
2. Press the Right Front Inflate button (J) and scroll through the Edit Options menu until you see “Volts”. Turn
the voltometer on by pressing the Left Rear Inflate button (F).
Adjusting the Brightness
1. Press and hold the Ride Height button (B) for greater than 3 seconds until “Edit Options” appears.
2. Press the Right Front Inflate button (J) and scroll through the Edit Options menu until you see “Bright”.
Adjust the brightness by pressing the Left Rear Inflate button (F) to increase the brightness and the Right
Rear Deflate button to decrease the brightness.
Using the Sequence Feature
The sequence feature allows your air suspension system to inflate your front air springs before
inflating your rear springs while achieving ride height.
1. Press and hold the Ride Height button (B) for greater than 3 seconds until “Edit Options” appears.
2. Press the Right Front Inflate button (J) and scroll through the Edit Options menu until you see “Seq.”.
Using Leak Detection
The leak detection feature will detect a leak in your air system after the manifold while auto ride
height is enabled.
1. Press and hold the Ride Height button (B) for greater than 3 seconds until “Edit Options” appears.
2. Press the Right Front Inflate button (J) and scroll through the Edit Options menu until you see “Leak”. Turn
the leak detection on by pressing the Left Rear Inflate button (F).
Tank Pressure
1. Press and hold the Ride Height button (B) for greater than 3 seconds until “Edit Options” appears.
2. Press the Right Front Inflate button (J) and scroll through the Edit Options menu until you see “Tank”. Turn
the tank pressure display on by pressing the Left Rear Inflate button (F).
Auto Ride Height on Start
Auto Ride Height will allow your air suspension to automatically achieve ride height when you turn
the key in your vehicle.
1. Press and hold the Ride Height button (B) for greater than 3 seconds until “Edit Options” appears.
2. Press the Right Front Inflate button (J) and scroll through the Edit Options menu until you see “Auto”. Turn
theAuto Ride Height feature on by pressing the Left Rear Inflate button (F).
Setting the Features (Continued)
Operational Instructions
Operational Instructions
Three Basic Operation Modes:
Settings:
Manual-Mode
Auto-Mode
Option-Mode
The system displays the actual airbag pressures, and the user controls the pressure manually.
The system displays the pressure settings and automatically maintains the prescribed airbag
pressures.
The user can examine and change all option settings.
The system keeps the user’s option settings in non-volatile memory so that they will be maintained each time the
system is powered up. On power-up, the options settings are read and acted on appropriately.
Ride Ht
Auto
Leak
The system will immediately restore the airbag pressures to the saved setting values on power-up.
When ride-height is selected (either through “Ride Ht” option setting or user selection during
operation), the system will automatically maintain the airbag pressure at the current settings.
The system will display detected leaks in any of the airbag circuits. A leak is shown by the letter
“L” next to the pressure reading.
Volts
Bright
The display will show the system voltage. If both “Volts” and “Tank” are enabled, the display
will alternate between them every 20 seconds.
The display will show the current tank pressure. If both “Volts” and “Tank” are enabled, the
display will alternate between them every 20 seconds.
Controls the display intensity. If the display intensity is changed while it is dimmed automatically by
the vehicle lights connection, it will remain at the selected brightness until the next time the vehicle
lights are turned on.
Tank
The system will perform pressure regulation on the airbags sequentially (left front, right front,
left rear, right rear). If not enabled, the system will simultaneously adjust all airbag pressures.
Seq
To use the TUNE function, the tune option must be set to ON and it must be displayed when
the ride height button is used to exit option-mode. The TUNE function will test the response of
the system by exercising the airbags individually. The results are stored by the system for use
in accurately controlling airbag pressures. The TUNE function must only be accomplished in a
stationary vehicle on level ground.
Tune

Assembling the Transducers/Attaching the Display Panel
Assembling the Transducers
Preparing the System
Preparing the System
38
3. Replace the pressure switch with the transducer
(Figure 3).
NOTE: Apply thread sealant to the threaded
portion of the transducer.
IMPORTANT: Tighten transducer using the hex
portion ONLY. Failure to do this will cause
system failure and will void warranty.
4. Attach the steel braided leader hose from the
compressor directly into the tee at the end of the air
tank as shown in Figure 3.
Figure 3
5. Attach the transducer wire from the ECU to the
transducer previously connected to the air tank
(Figure 4).
6. View Figure 7 on page 7 for valve wiring and
plumbing instructions.
Figure 1 Figure 2
1. Disconnect the red compressor power wire from
the pressure switch connected to the end of the
tank (Figure 1).
2. Disconnect the pressure switch from the tee on the
air tank (Figure 2).
Figure 4
Apply Loctite
andTighten
Hand-Tight
Plus 1Turn
IMPORTANT:
Tighten transducer
using the hex
portion ONLY.
1. Apply thread sealant to the bushing and install into
the branch tee (Figure 8).
2. Apply thread sealant to the transducer and install
into the bushing (Figure 8).
IMPORTANT: Tighten the transducer using the
hex portion ONLY. Tighten hand-tight plust 1
turn.
1. Choose a mounting location inside the cab of the
vehicle for mounting the ECU.
NOTE: This can be under the dash panel.
2. Attach the bracket to the chosen mounting location
using the provided screws (Figure 9).
3. Attach the brackets to the display panel using the
provided screws and attach the bracket to a chosen
mounting location.
DisplayDisplay
Attaching the ECU and Display Panel
4. Tighten the ECU and display panel hardware.
5. Connect one end of the CAT 5 cable to the ECU
and the other to the display panel (Figure 9).
Figure 9
Figure 8

Valve Wiring and Plumbing Schematic
Valve Wiring and Plumbing Schematic
7
From Tank
To Air Bags
Left Front
Air Spring Right Front
Air Spring Left Rear
Air Spring Right Rear
Air Spring
To Air Bags
FRONT
Left Right Left Right
FRONT REAR
Exhaust
Fill
To Air BagsTo Air Bags
REAR
Exhaust
Fill
Left Fill
Right Fill
Right Fill
Left Fill
Right Exhaust
Left Exhaust
Fill Ground
Fill Ground
Exhaust Ground
Exhaust Ground
Left Exhaust
Right Exhaust
Figure 7
Mounting the Display Panel
4
Figure 5
Mounting the Display Panel
1. Determine the mounting location of the display
panel.
NOTE: The display panel can be mounted by
either placing the bracket on top of something
or by attaching the bracket to hang below
something (Figure 5).
2. Cut the velcro into 1” squares and attach two “hook”
pieces of the velcro to the mounting bracket and attach
the two corresponding “loop” pieces of the velcro to
the back of the display panel (Figure 5).
3. Stick the display unit to the mounting bracket.
4. Attach the mounting bracket to its mounting
location in the same manner. Place three “hook”
pieces of the velcro onto the bracket and place
three “loop” pieces of the velcro onto the chosen
mounting location (Figure 5).
5. Stick the bracket to the mounting location.

REAR
RIGHT
LEFT
LEFT
RIGHT
For Reference Only
Not included in kit
For Reference Only
Not included in kit
Display Mounting BracketDisplay Mounting Bracket
For Reference Only
Not included in kit
For Reference Only
Not included in kit
For Reference Only
Not included in kit
For Reference Only
Not included in kit
For Reference Only
Not included in kit
For Reference Only
Not included in kit
DisplayDisplay
FRONT
GND
REAR
F2
F1 R2
R1
FRONT
Compressor (OUT) (7)Compressor (OUT) (7)
To +12 Volt
Power Source
To +12 Volt
Power Source
30 AMP30 AMP
Back ViewBack View
3030
86868585
8787
To +12 Volt DC
Accessory
Power Source
To +12 Volt DC
Accessory
Power Source
GroundGround
5 AMP5 AMP
FRONT
Remove compressor
wire from pressure
sensor and connect to
wire coming from #87
of the relay.
See Figure 7 on
page 5 for further detail.
Transducer Wire
Left Right Left Right
Exhaust
Fill
REAR
Exhaust
Fill
CC
AA
DD
AA
EE
FF
BB
JJ
CC
II
JJ
CCII
JJ
CC
II
JJCC
II
IMPORTANT
:
Power to the ECU must
connect to an accessory
source.The accessory
source powers the radio,
sunroof and other items
powered through the
accessory circuit and NOT
the ignition circuit. Failure
to connect to an accessory
source WILL CAUSE THE
DISPLAY TO FAIL and will
void the warranty.
IMPORTANT
:
Power to the ECU must
connect to an accessory
source.The accessory
source powers the radio,
sunroof and other items
powered through the
accessory circuit and NOT
the ignition circuit. Failure
to connect to an accessory
source WILL CAUSE THE
DISPLAY TO FAIL and will
void the warranty.
IMPORTANT
:
Valves cannot be grounded to the chassis.They
must be grounded using the harness ground in
order to properly complete the circuit. Failure to
follow these instructions will result in premature
FAILURE OF THE SYSTEM and will void the
warranty.
IMPORTANT
:
Valves cannot be grounded to the chassis.They
must be grounded using the harness ground in
order to properly complete the circuit. Failure to
follow these instructions will result in premature
FAILURE OF THE SYSTEM and will void the
warranty.
Installing the Digital Controller
Kit Diagram
Installing the Digital Controller
56
Figure 6
Item Part No. Description Quantity
A 25000 DigitalControlECU/Harness 1
B 27025 Digital Controller 1
C 24001 PressureTransducer 5
D 26440 ECU/DisplayCable 1
E 10415 Display MountingBracket 1
F 10519 Velcro 1
H 23586 ThreadSealant 1
I 21735 1/8 x 3/8 Bushing 4
J 21932 BranchTee 4
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