Webasto SmarTemp Control Installation / Operating instructions

1

SmarTemp Control

Digital Control Interface For

Air Top 2000 ST / 3900/5500 EVO Heaters

Installation / Operation Instructions

English ……………………………………………………………………………………………………..1

Français ……………………………………………………………………………………………….……6

Español ……………………………………………………………………………………….……....…..13

General

Thank you for choosing Webasto to meet your heating needs. The Webasto SmarTemp Control enables

you to quickly and effortlessly operate the AT 2000 ST or AT 3900 / 5500 EVO Air Heaters.

Operation

The Webasto SmarTemp Control can be operated using a single rotary dial around the outside of the unit

to browse through different menu options. Simply click the select button ( ) to make your choice. The

following sections will define each menu item and its default setting.

Compatibility

AT 2000 ST - Adaptor harness (P/N: 5010612)

AT 3900 / 5500 EVO – Adaptor harness (P/N: 5012138)

Mounting Procedure

1. Find a suitable mounting location (on a flat surface if

possible) in a visible area.

Note:

Always

install in an area protected from the

effects of weather and contamination.

2. Use the drilling dimensions / template in the back of

this manual to lightly mark the two mounting holes.

3.

(Optional Step)

To route wire harness through the

mounting surface, drill a 22mm hole as notated on the

drilling dimensions / template.

Note:

Always make sure there are no obstacles behind

the mounting location prior to drilling.

4. Secure the Webasto SmarTemp Control using the two supplied #4 screws.

SmarTemp Control Installation - Operating Instructions

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5. Apply the supplied “Heater Off” warning sticker in a highly visible location near the fuel filling

cap. Refer to the example sticker below.

6. Observe the operating section for proper menu setup.

Temperature Calibration

Based on the installation location of the SmarTemp Control, multiple factors such as door openings can

affect the SmarTemp Controls ambient temperature reading. If temperature offset adjustment is needed

see “Offset” on page 5 for further details.

Electrical Connections

This is a plug and play kit for an AT 2000 ST or AT 3900/5500 EVO Heater (refer to the compatibility

section for adaptor part numbers).

Connector Pin out

Pin Number

Description

Wire Color

1

+12 / 24V

Red

2

GND

Brown

3

Heater Output

Black or Gray

4

Diagnostic Blink Code

Orange

5

Analog Output (Temperature Set Point)

Blue

6

Analog Output (Ambient Temperature)

Yellow

7

Vent Input

Purple

8

Diagnostic Input W-Bus

Green

For terminal removal use: Molex terminal removal tool P/N: 11-03-0044

http://www.molex.com

TERMINAL INSERT

SIDE OF CONNECTOR

SmarTemp Control Installation - Operating Instructions

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Component Description

Rotary Knob

On / Off Button

Screw Cap

LCD Screen

Status Indicator Light(s)

Ambient Temp Sensor

*Micro USB Service Port

Selection Button

* The micro USB Service Port is used for Webasto heater diagnostic purposes only. This adaptor

cannot be used to charge cell phones or other electronic devices.

LCD Screen Symbol Legend

Operation

Using the rotary dial and the selection button (refer to component descriptions), navigation is made

simple. For example, to adjust your heaters set temperature to 70°F with a run time of 4 hours follow

these steps.

1. In HeatMode, use the rotary dial to adjust the set temperature to 70°F; Confirm the adjustment

by pushing the selection button.

2. Press the Selection button. Using the rotary dial, select: Options > Duration > Timed > Adjust

runtime to 4 hours. Confirm the adjustment by pushing the selection button.

Note: While in HeatMode the set temp can always be adjusted quickly by turning the rotary dial to the

desired temperature

Standby Mode

Standby Heater Mode

Standby Vent Mode

Ambient Temperature

User Set Temperature

Ambient Temperature

Heat Mode

Timed Duration

Ambient Temperature

User Set Temperature

Mode Indicator

Heat ON Indicator

Vent Mode

Timed Duration

Mode Indicator

Ambient Temperature

Fan Speed Indicator

(Low – Medium - High)

Vent ON Indicator

SmarTemp Control Installation - Operating Instructions

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Definitions Default

Mode

Mode changes the operation of the heater between heat

mode and ventilation mode. Status indicator lights will

illuminate red for heat mode and blue for ventilation mode

when the selected mode is active.

Heat Mode

Language

Language changes between English, Spanish, and French. English

Temp Unit

Temp Unit changes between Fahrenheit and Celsius units of

measure.

Fahrenheit

Options

Advanced level adjustments; see below.



Duration

Duration allows for the selection of continuous heater

operation or timed operation (30 minutes – 14 hours).

Note: If timed operation is selected 10 hours is default.

Continuous

 LVD

LVD “Low Voltage Disconnect” allows the user to adjust the

battery voltage level at which the Webasto SmarTemp Control

will shut down heater functionality.

If battery voltage is equal to or less than the threshold selected

+0.1v, the heater will not start. i.e. if an 11.5v threshold is

selected the heater cannot be started until B+ has reached

11.7v.

12 volt - Range between 11v – 12.5v

24 volt - Range between 21v – 25.5v

11.4v

24.2v

 Password

A password can be set to prevent access to the advanced

“Options” menu. Enter a 4 digit code passcode to begin

securing Options menu.

Note: This is typically used in fleet vehicle applications.

OFF

 PM Reminder

The product maintenance (PM) reminder will alert the operator

every 30 days with a message to run the heater for 20

minutes. The indicator lights will flash red as a visual reminder.

The operator will have the ability to Start the 20 minute

maintenance cycle or delay it via a “Snooze” option. When

Snooze is selected the PM reminder will postpone until

12:00PM the following day.

ON

 Error Codes

This section will log the last 5 error codes and the date that it

was set. Highlight and select an error code for a description.

Note: If the heater or the SmarTemp itself produces an error

code, the status indicator lights will flash red and the error will

display on the main screen. Error codes for the heater cannot

be reset through the Webasto SmarTemp Control. Refer to the

heater service manual for resetting an error code.

No Errors

SmarTemp Control Installation - Operating Instructions

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 Time & Date

Set time and date using the rotary knob and selection button.

12 (AM / PM) or 24 hour available.

12 hour

 Offset

Depending on the installation location, the temperature

reading may vary slightly. The Offset feature allows a

temperature adjustment of +/- 9°F (+/- 5°C). Adjust this as

necessary to obtain the most accurate ambient temperature

reading.

0°

 Default

Default allows the user to perform a factory reset of the

control settings.

NOTE: Heater information will NOT be affected.

N/A

 SW Version

This displays the firmware version of the Webasto SmarTemp

Control.

Installed

Version

Back

Select this to return to the previous screen. N/A

Technical Information:

– Rated Voltage: 12 / 24V

– Operating Voltage Range: 12V: 11 – 16V | 24V: 21 - 32V

– Low Voltage Disconnect Range: 12V: 11 – 12.5V | 24V: 21 – 25.5V

– Operating Temperature: - 40° ... +185 °F (- 40° ... +85 °C)

– Set Temperature Range: 41° - 95° F (5° - 35° C)

– Installation Dimensions: (L x H x D) 2.7” x 2.2” x .60” (69.4mm x 55.5mm x 15.2mm)

Drilling Dimensions

Use the dimensions / template located in the back of this manual as a guide when installing and

mounting the Webasto SmarTemp Control.

NOTE: The Webasto SmarTemp Control has an integrated ambient temperature sensor. To ensure

this sensor properly measures the surrounding air, the control must be mounted vertical only.

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Commande SmarTemp Installation – consignes d’utilisation

8

Disposition des broches (électriques)

No de la broche

Description

Couleur des fils

1

+12 / 24V

Rouge

2

Mise à la terre

Brun

3

Sortie du réchauffeur

Noir ou Gris

4

Code clignotant de diagnostic

Orange

5

Sortie analogique (point de réglage de la température

ambiante)

Bleu

6

Sortie analogique (température ambiante)

Jaune

7

Entrée d’air de la ventilation

Mauve

8

Diagnostic d’entrée W-Bus

Vert

For terminal removal use: Molex terminal removal tool P/N: 11-03-0044

http://www.molex.com

Description des composants

Bouton arrêt / marche

Poignée rotative

Bouton à vis

Écran ACL

Voyant d’état(s)

Capteur de température

ambiante

Bouton sélecteur

*Microport de service USB

* Le microport de service USB sert uniquement au diagnostic du réchauffeur Webasto. Cet adaptateur

ne peut pas être utilisé aux fins d’appels téléphoniques ou autres appareils électroniques.

TERMINAL INSERT

CÔTÉ DE CONNEXION

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Use 5/64 Drill Bit

Utilisez une meche de 5/64

Usar 5/64 boquilla

TOP

HAUT

SUPERIOR

Webasto Thermo & Comfort N.A., Inc.

15083 North Road

Fenton, MI 48430 USA

Phone:

Fax:

Email:

Internet:

810-593-6000

810-593-6001

info-[email protected]om

http://www.webasto.us

http://www.techwebasto.com

Org. 5/2013 Rev. 10/2016 Ver. 1.8 P/N: 5010621A

Webasto SmarTemp Control Installation / Operating instructions

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