Houghton Webasto Cool Top Trail 20 Operating And Installation Instructions page 18

7 | Maintenance
CAUTION
u
Never drive through automatic car washes with a
roof air conditioner installed.
u Do not spray into the openings of the unit with a
high-pressure cleaner.
u Do not use hot cleaners and steam cleaners.
u Do not use sharp or hard objects for cleaning.
u Never use petrol, diesel, solvents or aggressive
cleaning agents.
7.6 Heat exchangers
Minimally have your unit's heat exchangers cleaned by a spe-
cialist workshop once per year.
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