Temperature Sensor
There is an internal temperature sensor built into the SmarTemp to moderate optimal performance and temperature accuracy.
The Rotary Knob
This is used to scroll through the menu options.
The Rotary Knob
This is used to scroll through the menu options.
The Rotary Knob
This is used to scroll through the menu options.
LCD Display
The LCD displays all of the heater functions and fault codes.
On/Off Button
Use this to switch the heater on/off.
The Select Button
Use this to select the parameter's displayed on the LCD screen.
LED Display Lights
This will illuminate red when the heater is switched on.
When there is a fault they will flash red. The corresponding fault could will be displayed in the LCD display.
LED Display Lights
This will illuminate red when the heater is switched on.
When there is a fault they will flash red. The corresponding fault could will be displayed in the LCD display.
> Main
Control Information
SmarTemp Control 3.0
General Information
General
View Brochure
Thank you for choosing Webasto to meet your heating needs. The Webasto SmarTemp Control 3.0 has the following capibilities:
SmarTemp Control 3.0 Features:
- Works with both air and coolant heaters
- Ventilation mode available for air heater
- Programmable within 7 day period
- Adjustable run times n Large backlit LCD screen
- English, French, Spanish Language options
- Displays heater fault codes
- Adjustable low voltage disconnect
- Password Protection
- Maintenance reminder to start heater every 30 days
SmarTemp Control 3.0 Bluetooth Additional Features:
- Diagnostic capabilities built into Webasto App*
- Manage and control heater function via Webasto App*
- Define settings and preferences within Webasto App*
- Link to TechWebasto.com for support
- Personalized heater naming or image upload
*When in range of Bluetooth device
Compatibility - Refer to the "Where Used" link above for compatibility list
The SmarTemp Control 3.0 has an output of 1A for the heaters ON/OFF signal.
Heaters requiring a higher amperage signal will require a relay to accommodate different heater
The SmarTemp Control 3.0 is also Bluetooth enabled allowing user to connect to the Webasto Mobile App. Refer to your IOS or Google Play App Store to download app.
Installation Information
Installation
Technical Information:
– Rated Voltage: 12 / 24V
– Operating Voltage Range: 12V: 11 – 16.V | 24V: 21 - 32V
– Low Voltage Disconnect Range: 12V: 12 – 24V | 24V: 21 - 25.5V
– Operating Temperature: - 40° ... +185 °F (- 40° ... +85 °C)
– Installation Dimensions: (L x H x D) 2.7” x 2.2” x .1.25” (69.4mm x 55.5mm x 32mm)
Drilling Dimensions
Use the dimensions below as a guide when installing and mounting the Webasto SmarTemp Control 3.0
Control. Note that this is not a template; the drawing below is NOT to scale.
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.

Operation Information
Operation
> view PDF
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 SmarTemp button to make your choice. The
full operation manual will define each menu item and its default setting.
Webasto Thermo & Comfort Inc, 2021