Dometic FreshJet 4 Series Installation Manual page 14

Laying the connecting cables
12. Check that the voltage specification on the roof air conditioner data plate is the same as that of the power
supply. The roof air conditioner must be connected to an electric circuit which is able to supply the required
current (Technical data
13. Ensure that the power supply has a residual current circuit breaker (< 30 mA). If missing, install the residual
current circuit breaker.
14. Install an all-pole switch with a contact opening width of at least 3 mm on the installation side.
15. Ensure the correct cable thickness to carry the maximum electrical current as specified in product data plate.
16. Make an opening on one side in order to feed through the power supply cable.
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17. Feed the power supply cable through the opening into the vehicle interior.
Installing the roof top unit
18. Seal around the under side of the roof frame with flexible non-hardening butyl sealing compound (e.g.
SikaLastomer-710, Selleys Butyl Mastic, Bostik ezycaulk butyl sealant, or similar products). Observe the
sealant manufacturer's instructions.
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19. Orientate the roof frame based on opening size.
20. Fit the roof frame into the roof opening.
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on page 21).
2.
1.
BUTYL