Accuair Switchspeed User manual

WARNING: Extended valve pulsing MAY reduce the life of your

valves.

Thank you for purchasing the revolutionary SwitchSpeed™ Controller by

AccuAir.

This air suspension controller manages up to 4 Air Springs as an intelligent

switchbox with user-adjustable control of valve speed. The AccuAir

SwitchSpeed™ also manages your Air Compressor(s) to keep onboard air

at an ideal pressure for your application (If Optional Electronic Tank Pressure

Sensor is connected).

To maximize functionality, the AccuAir SwitchSpeed™ allows you to select

from three distinct valve speeds:

1.) Full Speed.

2.) Medium Speed (Adjustable).

3.) Precision Speed (Adjustable).

The exact settings for each of these speeds is User Adjustable

(see page 10 in your Operation Manual).

At AccuAir, we pride ourselves on thorough customer service, quality

products, and a better driving experience through technologically

superior design.

Operation Manual

SwitchSpeed™ Controller:

Congratulations!

Description Page Number

Table Of Contents

Terms & Conditions

Service Disable & General Understanding

General Operation

Setup Programming

Operation Trouble Indication & Diagnosis

System Diagram

5-8

9-13

14-15

16-17

- Page 3 -

Terms & Conditions:

AccuAir Control Systems, L.L.C. is hereby referred to as ACCUAIR. The Pur-

chaser, end-user, or installer is hereby referred to as CUSTOMER.

Warranty

ACCUAIR will repair or replace any failed components for the life of the vehicle

given that the components were installed and operated as intended by

ACCUAIR. Upon the return of a failed component(s), ACCUAIR will determine

the cause of failure. If it is due to improper installation, or misuse of the system,

a repair charge will be assessed and the customer will be contacted before

work is performed or replacement parts are shipped. If the failure is due to faulty

parts, then ACCUAIR will repair or replace the failed components at their own

discretion and in a timely manner.

Legal Disclaimer

•ACCUAIR’s products must be installed by a qualied professional installation

facility as recommended by ACCUAIR.

•System operation and installation is at the CUSTOMER’s own risk. ACCUAIR

accepts no liability for damage of property or persons caused by its products,

components, accessories, installation instructions or otherwise.

•ACCUAIR accepts no responsibility for systems, products or components

provided by other manufacturers for use with or around the ACCUAIR system.

For components other than ACCUAIR’s, follow the manufacturer’s instructions

for installation and operation.

WARNING: No part of the vehicle should be able to contact the

ground when all air is out of the air springs.

- Page 4 -

General Understanding:

For simplicity of use and understanding we refer to the four wheels of a vehicle by

number. Instead of using “Left Front”, or “Right Front” etc. Refer to the following

diagram for labeling:

FRONT

CAUTION: For all under vehicle maintenance, you must rst

disable the air system by removing the main system fuse located near

the battery.

Service Disable:

- Page 5 -

Speed Selection #3:

While driving or parked, you may choose to

press the Speed #3 “ ” Button momentarily.

The Speed #3 “ ” Indicator will be lit solid. Now

use the Manual Adjustment Buttons to move the

vehicle at this selected speed.

Speed Selection #2:

While driving or parked, you may choose to

press the Speed #2 “ ” Button momentarily.

The Speed #2 “ ” Indicator will be lit solid. Now

use the Manual Adjustment Buttons to move the

vehicle at this selected speed.

Speed Selection #1:

While driving or parked, you may choose to

press the Speed #1 “ ” Button momentarily.

The Speed #1 “ ” Indicator will be lit solid. Now

use the Manual Adjustment Buttons to move the

vehicle at this selected speed.

General Operation:

- Page 6 -

All-Down:

While parked, you may choose to automatically

lower all four Air Springs to zero height. The system

will adjust at the currently Selected Speed. There

are two modes for this function:

(See page 11 for selecting Mode Type.)

TIMER:

Press the All-Down “ ” Button for 3 seconds.

The All-Down “ ” Indicator Light will ash while

lowering the vehicle and turn off based on a timer.

MOMENTARY:

Press the All-Down “ ” Button until the vehicle

is as low as you desire.

General Operation:

NOTE: This sequence can be stopped

immediately by pressing any of the Arrow

Buttons on the right side of the controller.

- Page 7 -

Manually Raise/Lower:

To Adjust Front Air Springs Together (1&2):

Press the Combination #1 & #2 UP “ ”

Button to FILL both Air Springs #1 & #2

together.

Press the Combination #1 & #2 DOWN “ ”

Button to EMPTY both Air Springs #1 & #2

together.

To Adjust Rear Air Springs Together (3&4):

Press the Combination #3 & #4 UP “ ”

Button to FILL both Air Springs #3 & #4

together.

Press the Combination #3 & #4 DOWN “ ”

Button to EMPTY both Air Springs #3 & #4

together.

General Operation:

- Page 8 -

Manually Raise/Lower, Cont:

General Operation:

To Adjust Air Spring #2:

Press the #2 UP “ ”

Button to FILL the

#2 Air Spring.

Press the #2 DOWN “ ”

Button to EMPTY the

#2 Air Spring.

To Adjust Air Spring #1:

Press the #1 UP “ ”

Button to FILL the

#1 Air Spring.

Press the #1 DOWN “ ”

Button to EMPTY the

#1 Air Spring.

To Adjust Air Spring #3:

Press the #3 UP “ ”

Button to FILL the

#3 Air Spring.

Press the #3 DOWN “ ”

Button to EMPTY the

#3 Air Spring.

To Adjust Air Spring #4:

Press the #4 UP “ ”

Button to FILL the

#4 Air Spring.

Press the #4 DOWN “ ”

Button to EMPTY the

#4 Air Spring.

- Page 9 -

Setup Programming:

Choosing Which Speed To Adjust

Select which speed you wish to

modify. The selected speed will

ash to display the rate that the

valves will be pulsed at.

(Description on Pg. 10)

150 200175

ALL-DOWN MODE TYPE.

(Description on Pg. 11)

Tank Pressure Mode: (Optional)

150 psi = White only

175 psi = White & Red alternating

200 psi = Red only

(Description on Pg. 12)

Adjusting Speeds:

(Description on Pg. 10)

DECREASE:

TIMER:

INCREASE:

Valve

ON-Time

INCREASE:

Valve

OFF-Time

MOMENTARY:

To check or change any of the programmed settings during operation, press the

Program “ ” Button momentarily to initiate Programming Mode:

NOTE: Program Mode will exit after 5 seconds or can be exited by pressing

the Program Button again and your changes will be saved.

Adusting Valve Speed:

- Page 10 -

Setting Speed Selections:

To Adjust Speed Selections:

With the Ignition ON, press the Program “ ”

Button momentarily to enter Program Mode.

NOTE: Program Mode will exit after 5 seconds

or can be exited by pressing the Program Button

again and your changes will be saved.

Now select which speed you want to adjust

by pressing the Speed #2 “ ” Button, or the

Speed #1 “ ” Button.

The Selected Speed Button will begin ashing to

indicate the current valve pulse rate.

Use the #1 UP “ ” and #1 DOWN “ ” Buttons

to INCREASE or DECREASE the

Valve ON-TIME Setting.

Use the #2 UP “ ” and #2 DOWN “ ” Buttons

to INCREASE or DECREASE the

Valve OFF-TIME Setting.

NOTE: Use the Paired UP “ ” & Paired

DOWN “ ” Buttons to test the current Speed

Selection while setting the Valve ON / OFF Time.

Setup Programming:

ON-TIME

— VALVE ON

OFF-TIME

— VALVE OFF

ON-TIME OFF-TIME

- Page 11 -

Resetting DEFAULT Settings:

Restoring the DEFAULT Pulse Time Settings:

With the Ignition ON hold the Program “ ”

Button & Speed #1 “ ” Button for 5 seconds

until all of the Speed Indicators strobe up and

down. This will Restore the SwitchSpeed™ to

the DEFAULT Pulse ON / OFF Times.

Selecting ALL-DOWN Mode Type:

Change ALL-DOWN Mode To

TIMER or MOMEMTARY:

With the Ignition ON, press the Program “ ”

Button. Next press the #3 UP “ ” Button to

turn ALL-DOWN Mode to TIMER and the

#4 UP “ ” Button to turn ALL-DOWN Mode to

MOMENTARY.

When the #3 UP “ ” Arrow is White:

ALL-DOWN Mode is TIMER.

When the #4 UP “ ” Arrow is Red:

ALL-DOWN Mode is MOMENTARY.

NOTE: Program Mode will exit after 5 seconds

or can be exited by pressing the Program Button

again and your changes will be saved.

Setup Programming:

- Page 12 -

Tank Pressure Mode: (If Optional Electronic Tank Pressure

Sensor is Connected)

Your system was shipped with the Tank Pressure

Mode set at 150 PSI. If you have High Pressure

Compressor(s) you can change the Tank Pressure

Mode to 175 PSI or 200 PSI using the following

Procedure:

To Change The Tank Pressure Mode:

With the Ignition ON, press the Program “ ”

Button. Next press the #3 DOWN “ ” Button to

set Tank Pressure Mode to 150 PSI, the

#4 DOWN “ ” Button once to set the Tank

Pressure Mode to 175 PSI and the

#4 DOWN “ ” Button again to set the Tank

Pressure Mode to 200 PSI.

When the #3 DOWN “ ” Arrow

is White:

Tank Pressure Mode is at

150 PSI.

When the #3 DOWN “ ” Arrow

and the #4 DOWN “ ” Arrow

are alternating ON & OFF:

Tank Pressure Mode is at

175 PSI.

When the #4 DOWN “ ” Arrow is Red:

Tank Pressure Mode is at

200 PSI.

NOTE: If the Electronic Tank Pressure Sensor is

NOT in use the #3 DOWN “ ” & #4 DOWN “ ”

Arrows are OFF.

NOTE: Program Mode will exit after 5 seconds

or can be exited by pressing the Program Button

again and your changes will be saved.

Setup Programming:

200

175

150 Mode:

• 110 psi ON /

150 psi OFF

175 Mode:

• 135 psi ON /

175 psi OFF

200 Mode:

• 160 psi ON /

200 psi OFF

- Page 13 -

Setup Programming:

Changing SwitchSpeed™ Backlighting Brightness:

The SwitchSpeed™ Controller’s backlighting will turn on automatically when

the system is on. The Backlighting will change to Nighttime Mode when the

headlights are ON. The Brightness of both Modes can be adjusted with the

procedure below:

NOTE: With the headlights OFF you will be adjusting Daytime Mode with the

following procedure. With the headlights ON you will be adjusting Nighttime

Mode with the following procedure.

NOTE: The SwitchSpeed™ Backlighting

brightness will adjust UP & DOWN as you

change the settings.

To Adjust The Backlighing UP or DOWN:

With the Ignition ON, press the Program “ ”

Button. Next press the Combination #1 & #2 UP

“ ” Button to make the Backlighting

BRIGHTER.

With the Ignition ON, press the Program “ ”

Button. Next press the Combination #1 & #2

DOWN “ ” Button to make the Backlighting

DARKER.

NOTE: Program Mode will exit after 5 seconds

or can be exited by pressing the Program Button

again and your changes will be saved.

- Page 14 -

Operation Trouble Indication/Diagnosis:

Warning Indication:

Preasure Sensor Warning Number Of Flashes between the 2 second pause

Tank pressure is not increasing after the ECU

turns the Compressor(s) ON.

• Verify Compressor circuit wiring connections.

• Check Compressor fuse F2.

• Verify Compressor plumbing connections.

• Check for Compressor relay failure.

• Check for Compressor failure.

• Check for Pressure Sensor failure.

Pressure Sensor is not reading.

• Verify wiring to Pressure Sensor.

• Check Pressure Sensor for failure.

In the unlikely case of a system component failure during operation, the Speed

“ ”, “ ”, & “ ” Indications will ash simultaneously and sequentially to

indicate the trouble codes outlined below.

NOTE: This is the ONLY time that all 3 of the Speed Selections will ash

simultaneously during use.

- Page 15 -

If the vehicle system voltage drops below 10.5 volts during operation, the

SwitchSpeed™ will automatically turn the compressor(s) OFF and show the

trouble indication below. The SwitchSpeed™ will go back to normal operation

once the vehicle system voltage reaches 12.5 volts or the ignition is cycled.

In the very unlikely case that the vehicle system voltage raises above 16.0 volts

during operation, the SwitchSpeed™ will show the trouble indication below, but

continue to operate like normal. Prolonged usage in this state may cause damage

to system components.

Operation Trouble Indication/Diagnosis:

High Voltage Warning

System Voltage is

ABOVE 16.0V.

The Error Indication

will ash

Sequentially

UPWARD.

Warning Indication:

Low Voltage Warning

System Voltage is

BELOW 10.5V.

The Error Indication

will ash

Sequentially

DOWNWARD & the

Compressor(s) will

turn OFF.

ECU

- Page 13 - - Page 14 -

- Page 2 - - Page 3 -

- Page 20 - - Page 21 -- Page 4 - - Page 5 -- Page 22 - - Page 23 -- Page 16 - - Page 17 -- Page 4 - - Page 5 -- Page 4 - - Page 5 -

30 Compressor(s)

Relay

COMP_1

BATT_12V

IGN_12V

FRONT

P_SENS

V_GND

HEADLIGHTS

EC_GND

SwitchSpeed™

Controller

OFF ON

IGN

ECU

Compressor 2 (Optional)Compressor 1

(Main) 70Amp Fuse

(F2) 3 Amp

Compressor

Relay Fuse

(F1) 10 Amp

ECU Fuse

12 V Batt

3 4

SENS_1

SENS_2

SENS_3

SENS_4

When using other MFG’s

valves:

1.) Up 4 White/Black

2.) Up 3 White/Orange

3.) Up 2 White/Purple

4.) Up 1 White

5.) Down 4 White/Gray

6.) Down 3 White/Green

7.) Down 2 White/Brown

8.) Down 1 White/Blue

1 2 3 4

5 6 7 8

WARNING: Extended valve pulsing MAY reduce the life of your

valves.

Installation Manual

SwitchSpeed™ Controller:

Congratulations!

Thank you for purchasing the revolutionary SwitchSpeed™ Controller by

AccuAir.

This air suspension controller manages up to 4 Air Springs as an intelligent

switchbox with user-adjustable control of valve speed. The AccuAir

SwitchSpeed™ also manages your Air Compressor(s) to keep onboard air

at an ideal pressure for your application (If Optional Electronic Tank Pressure

Sensor is connected).

To maximize functionality, the AccuAir SwitchSpeed™ allows you to select

from three distinct valve speeds:

1.) Full Speed.

2.) Medium Speed (Adjustable).

3.) Precision Speed (Adjustable).

The exact settings for each of these speeds is User Adjustable

(see page 10 in your Operation Manual).

At AccuAir, we pride ourselves on thorough customer service, quality

products, and a better driving experience through technologically

superior design.

Terms & Conditions:

AccuAir Control Systems, L.L.C. is hereby referred to as ACCUAIR. The Pur-

chaser, end-user, or installer is hereby referred to as CUSTOMER.

Warranty

ACCUAIR will repair or replace any failed components for the life of the vehicle

given that the components were installed and operated as intended by

ACCUAIR. Upon the return of a failed component(s), ACCUAIR will determine

the cause of failure. If it is due to improper installation, or misuse of the system,

a repair charge will be assessed and the customer will be contacted before

work is performed or replacement parts are shipped. If the failure is due to faulty

parts, then ACCUAIR will repair or replace the failed components at their own

discretion and in a timely manner.

Repairs and Returns

A Return Merchandise Authorization Number (RMA) is required for ALL ship-

ments to AccuAir Control Systems. This number should be written in large

letters on the shipping box. Call AccuAir to receive an RMA number and send

items to:

Legal Disclaimer

•ACCUAIR’s products must be installed by a qualied professional installation

facility as recommended by ACCUAIR.

•System operation and installation is at the CUSTOMER’s own risk. ACCUAIR

accepts no liability for damage of property or persons caused by its products,

components, accessories, installation instructions or otherwise.

•ACCUAIR accepts no responsibility for systems, products or components

provided by other manufacturers for use with or around the ACCUAIR system.

For components other than ACCUAIR’s, follow the manufacturer’s instructions

for installation and operation.

WARNING: No part of the vehicle should be able to contact the

ground when all air is out of the air springs.

ECU

- Page 13 - - Page 14 -

- Page 2 - - Page 3 -

- Page 20 - - Page 21 -- Page 4 - - Page 5 -- Page 22 - - Page 23 -- Page 17 - - Page 18 -

- Page 4 - - Page 5 -

30 Compressor(s)

Relay

COMP_1

BATT_12V

IGN_12V

FRONT

P_SENS

V_GND

HEADLIGHTS

EC_GND

SwitchSpeed™

Controller

OFF ON

IGN

ECU

Compressor 2 (Optional)Compressor 1

(Main) 70Amp Fuse

(F2) 3 Amp

Compressor

Relay Fuse

(F1) 10 Amp

ECU Fuse

12 V Batt

3 4

SENS_1

SENS_2

SENS_3

SENS_4

When using other MFG’s

valves:

1.) Up 4 White/Black

2.) Up 3 White/Orange

3.) Up 2 White/Purple

4.) Up 1 White

5.) Down 4 White/Gray

6.) Down 3 White/Green

7.) Down 2 White/Brown

8.) Down 1 White/Blue

1 2 3 4

5 6 7 8

Installation Overview:

After your Air Springs and Suspension Components have been installed, you can

begin installing the AccuAir components in the following order:

1.)

2.)

3.)

4.)

5.)

6.)

7.)

Install VU4 (Valve Unit)

Install ECU (Electronic Control Unit)

Install SwitchSpeed™ Controller

Install Tank Pressure Sensor (Optional)

Install Air Compressor(s)

Install Wiring Harnesses

Test Wiring and Mechanical Components

WARNING: Make sure to disconnect the vehicle battery ground

terminal throughout the wiring process.

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