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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
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