Repair manual

Webasto Thermo & Comfort N.A., Inc. 68 www.techwebasto.com
PRODUCT INFORMATION DBW 2010/2020/300 COOLANT HEATERS
Webasto Product N.A., Inc. s 15083 North Road s Fenton, Michigan 48430
For Technical Assistance in USA Call: [phone] s In Canada Call: [phone]
Visit us on the Web at: www.techwebasto.com (North America) www.webasto.com (Global)
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Product Information
Description: NOI (NO OPERATOR INTERFACE) “WHITE” TIMER INSTALLATION / OPERATION
Category: Thermosystems
Document Number: PI007RC
Date Posted: 02/02/2007
Wiring diagram - NOI Timer with optional Toggle Switch
Setting the Timer
The timer is a 7-day NOI (no operator interface) timer. This means you can set this timer to specific needs and the
timer will do the rest. This timer has battery backup and will hold its memory if the vehicle battery is disconnected and
will recharge when 12 volt power is restored.
To set the timer clock:
Press and hold the “Clock” button and by pressing the “Hour” and “Min.” buttons set the clock appropriately. In the
upper left corner you will see the “AM” or “PM” sign.
Setting the timer On/Off functions:
Press the “Timer” button one time. You will see the screen now reads “1” “On” using the day button select the
Appropriate day or days. Look in the upper left hand corner for the “AM” or “PM” sign. Using the day button you can
select one or multiple days. After you have selected the proper day/days and set the appropriate on time, push the
“Timer” button once again. You should now see “1” “Off” using the day button select the appropriate days again.
BE SURE THE DAYS S ELECTED MATCH THE SAME DAYS YOU SELECTED FOR TIMER “1” “ON”.
Now set the timer to the appropriate “Off” time. After you have set the timer functions need
ed, push the “Clock” this
will save your settings and return to the clock.
These steps can be repeated 6 more times giving you multiple on and off settings. It is very important that you set this
timer to the specific needs of each vehicle to optimize the heaters efficiency.