4 Assembly and connection
RITTAL cooling unit assembly and operating instructions 9
EN
4.3.1 Cutting out the enclosure
• Stick the supplied drilling template onto the side
panel or door of the enclosure using adhesive
tape.
There are dimensioning lines on the drilling template
to suit the various installation options for your cooling
unit.
• Using the dimension drawings (see Appendix),
identify the valid lines and dimensions for your
installation type on the drilling template.
• Mark, drill and deburr the holes.
• Make the cut-outs including the line width as per
the drilling template.
Deburr the cut-outs.
4.3.2 External mounting of the cooling unit
• Cut the supplied sealing tape to the correct length
and stick it carefully along the back of the unit so
that no gaps are left at the joints.
Fig. 6: Attach the sealing tape
• Screw the supplied grub screws into the blind nuts
on the rear of the unit.
• Secure the unit using the supplied washers and
nuts.
Fig. 7: Secure the cooling unit
(all models except SK 3302.1xx)
Fig. 8: Secure the cooling unit
(SK 3302.1xx “external mounting” only)
Only for SK 3302.xxx:
• Before installing, remove the four screws as shown.
Fig. 9: Only for SK 3302.xxx: Remove the four screws
4.3.3 Partial internal mounting of the cooling unit
• Carefully remove the louvred grille and, where
applicable, the infill panel, from the enclosure by
pulling forwards.
• Carefully disconnect the connector from the rear of
the display and gently push it inwards through the
cable gland.
Fig. 10: Remove the louvred grille & disconnect the display
Risk of injury!
Carefully deburr all drilled holes and
cut-outs to prevent injuries caused by
sharp edges.
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