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Menu Description 

Refer to Menu Descriptions Table for a detailed description of each menu item 

and its default setting. Depending on the SmarTemp version, menu order 

may vary from order below. 

 

 

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 

Timer (3.0) 

User can select a specific day, time and heater 
runtime up to 7 days in the future. Be aware this is a 

one-occurrence timer requiring the user to turn the 
timer “ON” again after each scheduled timer use.  
When selecting timer a sub-menu will appear (Edit, 
On, and Off). To modify timer settings, select “edit”. 

Select the day, time, and heater runtime using the 
rotary knob and the selection button. Settings are 
saved each time the selection button is pressed. If the 
timer function will be used regularly for next day 

startups, the “ANY” setting can be used in place of 
the day of the week. With this set, the timer will 
disregard the day setting and start during the next 
24-hour period based on the time selected.  The 

“ANY” setting is located in the list of days between 
Saturday and Sunday. 

OFF 

Language 

Language changes between English, Spanish, and 
French. 

English 

Offset (3.0) 

This allows the user to set an offset (plus or minus 
9ºF, 5ºC) to compensate 

for any temperature difference between what the 
SmarTemp reads, and what the operator feels.  
NOTE: This function only applies to air heaters. 

0º 

Temp Unit 

Temp Unit changes between Fahrenheit and Celsius 
units of measure. 

Fahrenhe
it 

Backlight 
(3.0) 

Set intensity of backlight. 

80% 

User 

Permission 
(3.0) 

A password can be set to prevent access to the 
advanced “Options” menu. Enter a 4-digit code 
passcode to begin securing the “Options” menu.   

Note:

 This is typically used in fleet vehicle 

applications. 

Disabled 

Summary of Contents for Air Top Series

Page 1: ...er is in use the product surface connected hoses ducting and air outlet s may become hot to the touch Contact with skin may cause burns 2 Webasto heaters must be switched OFF when re fueling at fillin...

Page 2: ...ir heaters is exposed to very high thermal stress and must be replaced by a genuine Webasto spare part ten years after it is used for the first time If exhaust lines pass through areas used by personn...

Page 3: ...tems at the heater 23 Do not place any items of clothing textiles or similar materials over the heater or in front of the hot air inlet and the hot air outlet 24 The heater must not be cleaned with a...

Page 4: ...cts on or against the heater before you turn it on Ventilation Option A separate switch optional allows the user to choose between heating and ventilation mode In ventilation mode the fan speed depend...

Page 5: ...the Selection button Select edit from the sub menu 3 Adjust and select day for Friday 4 Adjust and select time for 6 30AM 5 Adjust and select runtime for 60 minutes 6 Settings are saved each time the...

Page 6: ...ure Output Heater Runtime Example Air Heater Using the rotary dial and the selection button follow these steps to set your cab temperature to 70 F with a runtime of 1 hour 3 Press the Select button Us...

Page 7: ...are saved each time the selection button is pressed If the timer function will be used regularly for next day startups the ANY setting can be used in place of the day of the week With this set the ti...

Page 8: ...he Brake Input pin of the SmarTemp 3 0 connector NOTE This feature is only used in original equipment applications Enabled Heaters 3 0 Allows you to name the heater s connected to the SmarTemp through...

Page 9: ...es 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 r...

Page 10: ...during operation Heater unit overheats andindica tor flashes Switch heater unit off for at least 2 seconds and then on again Switch heater unit off for at least 2 seconds and then on again Make sure...

Page 11: ...t or short circuit F 06 Temperature sensor interrupt or temperature sensor short circuit F 07 Metering pump interrupt or metering pump short circuit F08 Fan motor interrupt or fan motor short circuit...

Page 12: ...The fuel supply is stopped if the heater overheats The heater continues to run in the same way as if it is switched off manually After the heater stops the control unit may set in fault lock out mode...

Page 13: ...the original warranty period whichever is longer The intent of the Webasto warranty is to protect the original end user of the heater from defects and provide free repair and replacement of defective...

Page 14: ...Webasto Thermo Comfort N A Inc 15083 North Road Fenton MI 48430 Technical Assistance Hotline USA 800 860 7866 Canada 800 667 8900 Org 3 2017 Rev 05 2021 P N 5012526D www webasto us www techwebasto com...

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