INTRODUCTION
1.0 General Service and Safety Precautions
WARNING
Never service, repair, or troubleshoot this system unless you are a professional service person. Improper servicing can
lead to serious injury or death from fire, electric shock, or explosion.
1.1 Scope
These non-binding installation instructions are intended to support trained or certified dealers, and personnel in the
installation of the Webasto VAC, HVAC, and heating units. Provided these instructions are followed properly and all
options listed in the parts breakdown are installed, this system will provide supplemental heating and cooling.
1.2 Applicability of Manual
These non-binding installation instructions apply to the make/model listed on the front cover of this installation
manual. Due to optional equipment, there may be build variations between this installation manual and the vehicle
you are working on. Technical modifications that differ from the instructions set forth exclude all liability claims.
Acknowledged engineering conventions must be observed for the installation work. Carefully read all documentation
prior to installation.
CAUTION
Location of the Webasto provided components, wiring and control devices are important for proper operation. Failure
to comply with the installation guidelines provided may result in poor operation or damage to the Webasto unit, the
vehicle, or vehicle components.
Non-compliance with the installation instructions and information contained therein will void the warranty. The same
applies for repairs performed by untrained personnel and repairs not using original equipment spare parts.
1.3 Meaning of Warnings, Cautions and Notes
WARNING:
This heading is used to highlight that non-compliance with instructions or procedures may cause injuries or lethal
accidents to personnel.
CAUTION :
This heading is used to highlight that non-compliance with instructions or procedures may cause damage to
equipment.
NOTE:
This heading is used to highlight and draw specific attention to information.
1.4 Safety
All relevant state and provincial regulations, if any, governing the installation of this device must be observed! The
general safety regulations for the prevention of accidents and the relevant operating safety instructions must be
observed at all times.
1.5 Installation General References
• Bare sheet metal, for example around drilled holes, must be treated with anti-corrosive coating.
• Secure hoses, cables and wiring harnesses with cable ties and fit protective hoses around them at chafing
points.
• Fit edge protectors (split fuel hose, grommet, split-loom, etc.) to sharp edges.
• Replace hose clamps as necessary. Hose clamps should be inspected before re-use. Look for damage to the
screw and to the band due to fatigue, corrosion, or improper installation.