VEVOR RT150CTW4 Bedienungsanleitung Seite 10

2. Roof Preparation
WARNING
Make sure there are no obstacles (wires, pipes, etc.) inside Marine
rooftop Air conditioner's [roof/floor/walls]. Shut OFF gas supply, disconnect 120
Vac power from Marine rooftop Air conditioner, and disconnect positive (+) 12 Vdc
terminal from supply battery BEFORE drilling or cutting into
Marine rooftop Air conditioner.
Opening Requirements - Before preparing the ceiling opening, read all of the fol-
lowing instructions before beginning the installation.
2.1 Creating a New Roof Opening
If an existing roof vent opening will NOT be used a roof opening MUST be cut
through the roof and ceiling members. See "2.2 Roof Requirements"
of the Marine rooftop Air conditioner. This opening MUST be located between the
roof reinforcing.
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