Webasto RV Catalog 2026-27 EN

Rooftop air-conditioning systems Cool Top Trail 28VN / 36VN

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Scopes of delivery

Energy efficient rooftop air-conditioning systems with variable-speed-compressor technology The Cool Top Trail 28VN and 36VN are the latest innovation in rooftop air-conditioning for RVs and Caravans. Their inverter compressor technology allows the units to modulate the cooling or heating output by adapting the compressor speed. This ensures that full performance is provided after start-up to quickly cool down or heat up the vehicle. Once desired set temperature is reached, the units will automatically adapt the compressor speed to precisely maintain the desired comfort temperature. Reducing the compressor speed also reduces the electrical power consumption and the noise level while increasing the energy efficiency. The smooth compressor start also eliminates any starting peak. In addition, the ECO1 and ECO 2 functions can be used to limit the amperage draw during operation which is a great feature to prevent tripping of circuit breakers on campgrounds with low amperage levels. This amperage limitation function is also very useful when using batteries and 230 V inverters as a power supply. A huge benefit for users who still want to have air-conditioning when no 230 V mains is available.

Order number Cool Top Trail 28VN Outdoor unit HGN7628VN0001 Cool Top Trail 36VN Outdoor unit HGN7638VN0001 Cool Top Trail 28VN-36VN Indoor unit 400 x 400 HGN76390002 Cool Top Trail 28VN-36VN Indoor unit 360 x 360 HGN76390004

The advantages of the Cool Top Trail 28VN / 36VN:  Powerful cooling and heating performance  Variable-speed compressor technology for low-noise, high efficiency, and no start-up current peaks  ECO1 and ECO2 amperage limitation functions  Low-profile, compact design with improved appearance  Turbo mode for rapid cooling or heating  Approx. 4 kg weight reduction (indoor and outdoor units combined)  Enhanced outdoor blower enables operation while driving, even at highway speeds  Standard CI bus interface on all indoor units (no special indoor unit required)  ECE R10 compliant for legal use while driving

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Accessories (optional) For the installation of the air conditioner when rooftop cut-out is 36 x 36 cm. Adaptor frame 36 x 36 cm

Cool Top Trail Indoor Unit Indoor unit Adaptor frame 400 x 400 or 360 x 360 mm

HGN36100007

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Remote control and holder Template for indoor unit Mounting kit

Electrical power supply For the connection to the vehicle’s 230 V system the installer will have to provide a circuit breaker and possibly a residual current device as well as a power supply cable.

Cool Top Trail Outdoor Unit Outdoor unit

Installation instructions Template for outdoor unit

Amperage Draw Cool Top Trail 28VN nominal condition

Control element Comfortable adjustment via remote control

5 – 4 – 3 – 2 – 1 – 0 –

Normal

ECO1 ECO2

Cooling Mode

Technical specifications

Cool Top Trail 28VN

Cool Top Trail 36VN

2,800 2,600

3,600 3,600

Cooling capacity (W) Heating capacity (W)

230~/ 50/60 Hz

230~/ 50/60 Hz

Nominal voltage / frequency (V) / (Hz) Rated current (cooling mode) (A) Rated current (heating mode) (A) Operating temperature range (°C) ECO1 (cooling mode, fan mode high) (A) ECO2 (cooling mode, fan mode high) (A)

5.2 5.2

6.4 6.0

-5 to 50

-5 to 50

4.0 2.5

5.0 3.0

25 to 70

25 to 70

Roof thickness (mm) Roof cut-out (mm)

400 x 400 (360 x 360 with optional adaptor frame)

400 x 400 (360 x 360 with optional adaptor frame)

855 x 657 x 215 540 x 480 x 36

1122 x 850 x 223 540 x 480 x 36

Dimensions outdoor unit (mm) Dimensions indoor unit (mm)

31

40

Cool Top Trail 28VN

Cool Top Trail 36VN

Weight total (kg)

92

93

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