Webasto Thermo 90 S Operating And Maintenance Instructions

vehicle engine cold and at the lowest fan setting. The heater should be checked annually by a qualified expert, preferably prior to the heating season commencing. be operated using the fuel specified on the name plate and the rated voltage specified on the name plate. Failure to follow the installation instructions and the notes contained therein will lead to all liability being refused by Webasto The same applies if repairs are carried out incorrectly or with the use of parts other than genuine spare parts. This will result in the revocation of the type licence for the heater and therefore the General operating licence / EC type licence. Liability claims can only be made if the claimant can verify that he has complied with the servicing and safety instructions. Before switching the heater on, set the vehicle heating system to the "warm" position and the vehicle heater fan to the lowest setting (less power consumption)! P/N LIT- UNASSIGNED 03/15/2007 Operating and maintenance instructions General Information Maintenance and Safety Information at filling stations and tank farms. in locations where flammable vapours or dust may accumulate (e.g. in the vicinity of fuel-, coal-, sawdust or grain depots). in enclosed spaces (e.g. garages). This should also be considered when pre-setting heater operating times or using the Telestart remote control. Danger of explosions and asphyxiation ! Thermo 90 S/ 90 ST Webasto Product North America, Inc. 15083 North Rd. Fenton, MI. 48430 www.webasto.us & www.techwebasto.com exposed to temperatures greater than +85°C. Exposure to such temperatures may cause damage to the electronic components. operated without a minimum level of 20% of good quality antifreeze in the water of the heating circuit. The heater must not be: The heater must be switched off: The heater must: Liability claims: In the case of a severe build-up of smoke, unusual combustion noises or fuel smell, the heater is to be put out of operation by removing the fuse and may only be restarted after being inspected by Webasto-trained personnel. General type approvals have been issued in the region covered by the European Directive 70/156/EEC for the Thermo 90 S and Thermo 90 ST heaters, which comply with Directives 2001/56/EC (Heating systems) and 72/245/EEC (EMC). The installation of the units must be carried out in accordance with the installation instructions. The installation must be checked in accordance with the Legal Provisions for Installation. For details refer to the installation instructions. The year of the initial operation must be durably marked on the heater's nameplate by removing the non-applicable years. Dear Webasto Customer ! We assume that the workshop / service center that carried out the installion explained to you the operation and principle of functioning of your new heater to your complete satisfaction. This owner's handbook is designed to give you a brief summary of how to use the Thermo 90 S / Thermo 90 ST heaters.

week Viewing the time Programming heater starting time Recalling/ erasing preset times Programming duration of operating time Setting the remaining operating time Setting the wakeup time Recalling/ erasing the wakeup time Remote control Manually: by pressing the button (continuous heating mode). Automatically: by programming the heater starting time. The standard digital timer enables you to preset the start of the heater operation up to 7 days in advance. It is possible to program 3 different starting times, only one of which can be activated. The standard digital timer features a wakeup alarm function. When the ignition is switched on, the timer displays the current time and the day of the week. When the heater is switched on, the display and the buttons are illuminated. After the power supply has been connected, all symbols on the display will flash. The current time and weekday must be set. The timer can be operated in that all flashing symbols can be adjusted by means of the and buttons. If the buttons are not pressed within 5 seconds, the time displayed will be stored. If the and buttons are pressed for more than 2 seconds, the fast time - setting mode is activated. If the ignition is switched off while the heater is operating in the continuous mode, the remaining operating time of 15 minutes is displayed and the heater continues to operate for this period of time. Manually: by pressing the button. Automatically: after the programmed operating time has elapsed. With the heater running: by programming the remaining operating time. Press the button for more than 2 seconds - time of the day is flashing - and set the clock using the and buttons. Day of the week is flashing - adjust the day of the week. With the ignition switched off: press the button. Press the button - the memory location is flashing - using the and buttons set start of the heater operating time. Day of the week is flashing - set the day of the week. By repeatedly pressing the button, memory locations 2 and 3 can be programmed or the time display mode can be reached. Repeatedly press the button until the desired memory location is displayed. To erase the preset time, press the button several times until the time of the day is displayed instead of the memory. The heater must be switched off. Press the button for 3 seconds - operating time is flashing - and set the desired operating time (10 to 120 minutes) using the and buttons. Set the desired remaining operating time (1 to 120 minutes) using the and buttons. The remaining operating time refers to the time the heater still continues to remain in operation. It can only be changed while the heater is in operation and the ignition switched off. A wakeup time can only be programmed on the standard digital timer. The wakeup time is not bound to a specific day of the week. Repeatedly press the button until the bell symbol appears on the display. Set the desired wakeup time using the and buttons. The alarm clock turns off after 5 minutes or when one of the buttons is pressed. Repeatedly press the button until the bell symbol appears on the display - read off wakeup time. To erase the wakeup time: press the button until the bell symbol is no longer visible on the display. Possible by means of an optional external "instant heating" button. day of the week heater "on" indicator forward Standard Timer instant heating reverse program selection time alarm indicator memory location time display 2 MO Standard Timer

Fault Codes on the Display of the Combination or Standard Digital Timer Heater turns itself off automatically (=fault lock-out) Troubleshooting ! NOTE: If the heater is activated by the switch, the types of malfunctions are indicated by coded flashing signals via the operation indicator light during the after-run period of the heater. The coded flashing signals correspond to the numbers in the table below: No start-up (after 2 start-up attempts) Flame extinguished Undervoltage or overvoltage Premature flame detection Flame detector interruption or flame detector short-circuit Temperature sensor interruption or temperature sensor short-circuit Metering pump interruption or metering pump short-circuit Fan motor interruption or fan motor short-circuit or incorrect fan motor speed Pencil-type glow plug interruption or pencil-type glow plug short-circuit Overheating Circulating pump interruption or circulation pump short circuit F 01 F 02 F 03 F 04 F 05 F 06 F 07 F 08 F 09 F 10 F 11 After the occurrence of a malfunction, the fault is indicated on the display of the digital timer if the heater is equipped with a standard digital timer. Remedy Cause In the event of a malfunction, fuses and electrical connections should be checked for proper condition and security. If this action does not correct the defect, consult your authorized Webasto dealer. After the heater has been shut down due to afault lock-out, a coded flashing signal is emitted through the operation indicator during the after-run cycle of the heater. These coded flashing signals are designed to assist the authorized Webasto dealer in isolating the fault. Combustion was not established during start-up and start-up repetition Flame goes out during operation Switch heater off and then on again. If the heater fails to re-start consult your authorized Webasto dealer. Heater overheats due to lack/loss of coolant. Top up coolant in accordance with the vehicle manufacturer's instructions. Voltage drop for more than 20 seconds. Check fuses, electrical connections and battery. Subject to change Thermo 90 ST Thermo 90 S