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Webasto Air Top Installation Guide – AT2000STC
3.1 Fuel pump Wiring
A 7m fuel pump harness (Fig 14) is supplied in the kit to connect to the fuel pump. Blue and brown, twin core
harness connects to the two black wires out of the combustion air inlet (Fig 3) (3). Polarity does NOT matter.
Plug kits are supplied; spade terminals or standard automotive electrical connections can be used.
Note: Never run the wires through the combustion air inlet tube, as it will create air restrictions. Ref: Section
2 – (2.4 & 2.5)
Fig 14 – Fuel pump wiring harness
3.2 Installation of Control Element
Fig 16 – Multi Controller –
complete with mounting kit
Install the control element in a convenient location. The control element does not measure temperature. The
monitoring of temperature is registered via a return air temperature sensor located inside the heater.
Air Top 2000STC Installation Guide 2020 | Webasto Thermo & Comfort Australia Pty Ltd.
10
Fig 15 – Wiring to the fuel pump
Fig 17 – Rotary Controller ‐ connects to
plug (Fig 10) (X9)
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