Air heater air top 2000 st b (gasoline) air top 2000 st d (diesel) installation manual – improper installation or repair of webasto heating and cooling systems can cause fire or the leakage of deadly carbon monoxide leading to serious injury or death. – installation and repair of webasto heating and...
Air top 2000 st table of contents www.Webasto.Us 1 webasto product n.A., inc. Contents page 1. Safety and general information 3 1.1 warning symbols in this installation manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 genera...
Table of contents air top 2000 st www.Webasto.Us 2 webasto product n.A., inc. 14.Starting the heater for the first time 25 14.1 control element description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 14.2 ven...
Www.Webasto.Us 3 webasto product n.A., inc. Air top 2000 st safety and general information 1. Safety and general information 1.1 warning symbols in this installation manual the purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of symbo...
Webasto product n.A., inc. 4 www.Techwebasto.Com regulation for installation in the vehicle air top 2000 st 2. Regulation for installation in the vehicle read this installation manual in its entirety before installing this equipment. 2.1 scope 2.1.1 subject to the provisions of paragraph 2.1.2, inte...
Www.Webasto.Us 5 webasto product n.A., inc. Air top 2000 st regulation for installation in the vehicle in the vehicle. 2.6.2 the inlet line must be protected by a grating or other suitable means. 2.7 hot air outlet 2.7.1 hot air lines within the vehicle must be positioned or protected in such a way ...
Webasto product n.A., inc. 6 www.Techwebasto.Com purpose of the air heater air top 2000 st 3. Purpose of the air heater the webasto air top 2000 st air heaters are designed – to heat cabins, boats, trucks, minibuses, vans and motor homes – to defrost vehicle windows the air heaters operate independe...
Www.Webasto.Us 7 webasto product n.A., inc. Air top 2000 st installation 4. Installation important! The regulations governing installation on pages 4 and 5 must be adhered to. The heater must not be operated without the control unit cover (this will cause the heater to overheat). 4.1 recommended ins...
Webasto product n.A., inc. 8 www.Techwebasto.Com installation air top 2000 st 4.4 to install the heater the m6 nuts must be tightened with a torque of 6 nm +1 nm for installing the air top 2000 st heater. The installation dimensions and space requirement for service access are shown in the installat...
Www.Webasto.Us 9 webasto product n.A., inc. Air top 2000 st installation 4.5 optional mounting plate figure 5. Mounting with optional mounting plate when using the optional mounting plate and closed cell foam gasket, do not over tighten the mounting bolts. Doing so will cause the mounting plate to w...
Webasto product n.A., inc. 10 www.Techwebasto.Com factory plate air top 2000 st 5. Factory plate the model/serial number plate of the heater must be positioned so that it cannot be damaged and must be clearly legible when the heater is installed (otherwise a duplicate model plate must be used). Inap...
Www.Webasto.Us 11 webasto product n.A., inc. Air top 2000 st installation example 6. Installation example figure 7. Installation example with heater in stalled under-bunk. (recirculation mode) 1 2 3 4 5 6 7 1 control element 2 a t 2000 st heater 3 fuel metering pump 4 fuel filter (optional) 5 fuel s...
Webasto product n.A., inc. 12 www.Techwebasto.Com hot air system air top 2000 st 7. Hot air system note: the heater must not be integrated into the vehicle’s air system. Both recirculation and fresh air modes are possible. For fresh air mode it must be ensured that the hot air is taken from an area ...
Www.Webasto.Us 13 webasto product n.A., inc. Air top 2000 st hot air system note: the installation must be checked for: – air short circuit between the vehicle’s heating system and the heater air inlet. – air short circuit between the heater’s air inlet and the heater’s air outlet (figure 8). Figure...
Webasto product n.A., inc. 14 www.Techwebasto.Com fuel supply air top 2000 st 8. Fuel supply the fuel is taken from the vehicle fuel tank or from a separate fuel tank. The values for the maximum pressure at the fuel extraction point are shown in figure 11. A sign must be affixed to the fuel tank’s f...
Www.Webasto.Us 15 webasto product n.A., inc. Air top 2000 st fuel supply 8.2 vehicles with fuel injection engines when installing the heater in a vehicle with fuel injection system, it is important to establish whether the fuel pump is located inside or outside the tank. If the fuel pump is located ...
Webasto product n.A., inc. 16 www.Techwebasto.Com fuel supply air top 2000 st 8.4.1 connecting two fuel lines with a coupler hose the correct procedure for connecting fuel lines with hosing is shown in figure 16. Ensure that there are no leaks. Figure 16. Fuel line / coupler hose connection 8.5 fuel...
Www.Webasto.Us 17 webasto product n.A., inc. Air top 2000 st fuel supply 8.5.2 installation and attachment the metering pump must be secured with a vibration-damping mounting. Its installation position is limited as shown in figure 17 in order to ensure effective automatic bleeding. As a result of t...
Webasto product n.A., inc. 18 www.Techwebasto.Com combustion air supply air top 2000 st 9. Combustion air supply under no circumstances may the combustion air be taken from areas occupied by people. The combustion air intake opening must not point in the direction of travel. It must be located so th...
Www.Webasto.Us 19 webasto product n.A., inc. Air top 2000 st exhaust pipe 10. Exhaust pipe rigid pipes of unalloyed or alloyed steel with a minimum wall thickness of 1.0 mm (3/64 in.) or flexible piping of alloyed steel only must be used as exhaust line. The exhaust pipe is secured to the heater usi...
Webasto product n.A., inc. 20 www.Techwebasto.Com combustion air inlet and exhaust lines air top 2000 st 11. Combustion air inlet and exhaust lines both lines are to be installed falling away from the heater. If this is not possible, a condensate drain hole with a diameter of 4 mm (5/32 in.) must be...
Www.Webasto.Us 21 webasto product n.A., inc. Air top 2000 st electrical connections 12. Electrical connections all the cables and wires that are not required must be insulated against accidental shorting or grounding. Note: the electrical connection is made as shown in the system circuit diagram (fi...
Webasto product n.A., inc. 22 www.Techwebasto.Com electrical connections air top 2000 st 12.3 control element (rheostat) connection the wiring harness is prepared for connection to the control element. Simply pull on the connector housing to unplug the connector. The connector housing can be locked ...
Www.Webasto.Us 23 webasto product n.A., inc. Air top 2000 st circuit diagrams 13. Circuit diagrams 13.1 legend for circuit diagrams c diagnostic k cable d w bus e co 2 adjustment (see workshop manual) f if an external temperature sensor (b4) is used, resistor r1 must be replaced by the temperature s...
Webasto product n.A., inc. 24 www.Techwebasto.Com circuit diagrams air top 2000 st figure 31. Standard system wiring diagram for the air top 2000 st, 12 / 24 volt with control element. X6 x9 x6 x1 a2 a1 x4 x5 f1 s1 y1 r1 b4 x8 m1 x2 x6 x3 x8 x10 x11 s2 e b1 b2 b3 h1 1 2 3 4 13 12 11 10 3 4 1 2 2 1 2...
Www.Webasto.Us 25 webasto product n.A., inc. Air top 2000 st starting the heater for the first time 14. Starting the heater for the first time after you have installed the heater, bleed the fuel supply system carefully. Note: as a result of the low fuel consumption the heater must be switched on sev...
Webasto product n.A., inc. 26 www.Techwebasto.Com fault lock-out air top 2000 st 15. Fault lock-out the control unit continuously monitors the heater operation. The control unit identifies errors on individual heater components and faults during operation. Should the control unit experience componen...
Www.Webasto.Us 27 webasto product n.A., inc. Air top 2000 st technical data 16. Technical data except where limit values are specified, the technical data refer to the usual heater tolerances of ± 10% at an ambient temperature of +20 °c (68 °f) and at the rated voltage and in rated conditions. 16.1 ...
Webasto product n.A., inc. 28 www.Techwebasto.Com version air top 2000 st 17. Version air top 2000 st b (gasoline) air heater for gasoline (12 v) air top 2000 st d (diesel) air heater for diesel/heating oil (12 or 24 v).
Www.Webasto.Us 29 webasto product n.A., inc. Air top 2000 st drilling template 18. Drilling template figure 33. Drilling template (dimensions in millimeters) Ø 7.5 Ø 7.5 Ø 7.5 Ø 26 Ø 26 18 12 44 55.
Notes air top 2000 st www.Webasto.Us 30 webasto product n.A., inc..
Air top 2000 st notes www.Webasto.Us 31 webasto product n.A., inc..
Notes air top 2000 st www.Webasto.Us 32 webasto product n.A., inc..
Webasto product n.A., inc. 15083 north road fenton, mi 48430 technical assistance hotline usa: (800) 860-7866 canada: (800) 667-8900 www.Webasto.Us www.Techwebasto.Com org. 03/2006 rev. 11/2006 p/n 5001118a.
