Thetford C-402 Manuel D'installation page 6

14. Bars should be glued for rigidity (see diagram 11). Reposition the rear wall
and fix in position. The wall should be standing between 16 and 40 mm in
front of aperture.
15. Trim the cut (from the door aperture) to fit the door panel according to
template 4A or 4B (make sure you use the right template!). Make sure the
decoration lines are lined up with the wall (see diagram 12).
16. Fill the groove of the door outer with sealant. Position the panel in the door
outer (see diagram 13), and then push the door inner into the door outer.
17. Fill the groove of the frame outer to be placed in the opening with sealant
(see diagram 14), place the complete door against the outside wall of the
vehicle and fasten the door with 9 sheet-metal screws (4.2x12.5mm).
18. Mount the frame inner from the inside onto the door (see diagram 15).
19. If the kicking plate was removed before installation, then reassemble it, fix it
with clips (3x) to the front bottom of the toilet.
20. In case of using wall brackets, fix these brackets to the rear wall using screws
(see diagram 16).
21. Install the shower tray first in case of new designed or adjusted shower tray.
22. Before positioning the toilet, the electrical connection has to be made first.
C-402 Red wire is the positive wire
Black wire is the negative wire
If the toilet is going to be connected to a pressure system:
C-403 Red wire is the positive wire
Black wire is the negative wire
Purple wire is not required - do not connect
Grey wire is not required - do not connect
If the toilet is going to be connected to a non-pressure system:
Red wire is the positive wire
Black wire is the negative wire
Purple wire is positive input (12V DC) - connect to electric supply
Grey wire is positive output - connect to positive side of pump
Remark: connect the negative wire to a common negative
23. Position the toilet against rear wall and aperture wall (see diagram 17).
24. Before installing the toilet, the C-403 has to be connected to the water supply
system. Connect the water hose of the cassette (inside diameter 3/8" =
10mm) to the water hose of the water supply with a hose adapter. Fix the
hoses to the adapter with a clamp (see diagram 1 8).
25. If using wall brackets, place the toilet over these brackets (see diagram 19).
26. Position the unit (through the door aperture from the outside) to the outside
wall, by gripping it at the pockets in the base. Secure the back panel of the
toilet to the bathroom rear wall with 4 screws (4 x 30mm) underneath the
toilet seat.
27. Install a cover strip if necessary (see diagram 20).
28. Add a run of transparent sealing mastic from the outside between door and
toilet (see diagram 21). The toilet is now installed.
Drawing 1A
Drawing 1B