Wiring Diagrams - Dometic FreshJet FJX Series Installation Manual

d) Secure excess cable into the holders.
25. Only fixed-speed and inverter models: Connect the communication cable.
a) Pull out the filter slightly to create a gap for the communication cable (3).
b) Feed the communication cable through the gap and locate the wire in the opening.
c) Connect the communication 4-pin plug into the socket on the side of the display in the ADB. Ensure that the
cable is located into the small opening away from the filter area.
d) Secure excess cable into the holders.
Installing the ADB
26. Stack the duct sections and place against the roof thickness: Ensure that the duct height matches the roof height
or use the table as guide.
Fig.  on page 8
Roof thickness
25 ... 35 mm
35 ... 45 mm
45 ... 55 mm
55 ... 60 mm
NOTE Additional duct sections can be purchased for thicker roofs.
27. Attach the required number of duct sections on the ADB.
28. Fasten the ADB to the ceiling through the roof top unit with the 4 bolts supplied. Tighten the screws using a
torque spanner and a fastening torque of 2.5 Nm ± 0.3 Nm.
Fig.  on page 9
29. Push the filter back fully in.
Fig.  on page 9
30. Clip the center cover to the ADB.
Fig.  on page 10
31. Ask the vehicle manufacturer if a technical inspection is required after fitting an roof air conditioner and whether
the height entered in the vehicle documents needs to be altered:
• FreshJet FJX4233, FreshJet FJX4333, FreshJet FJX7333: Increased height 225 mm
• FreshJet FJX7337: Increased height 242 mm
• FreshJet FJX7457: Increased height 283 mm
The installation is now completed.
Connect to the power supply and test if the roof air conditioner works.

12 Wiring diagrams

FJX4233M
Fig.  on page 10
Number of duct sections
1
2
3
4
Dometic FJX EN
23