Engineering Manual

FOUR-WAY CEILING-CASSETTE INDOOR UNITS
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1. Remove the packaging, take out air inlet grille from the front
panel (1A), and then remove the corner covers of the panel (1B).
2. Attach the panel to the indoor frame by inserting the hooks as
shown (2).
3. Attach two screws on diagonal corners of each panel, but do not
tighten completely (3). Screws to attach the panel to the indoor
unit frame are factory-provided and can be found in the shipping
box.
4. Verify the panel is aligned with the ceiling. Adjust the height by
using the hanging bolts as shown (4).
5. Attach the corner covers (5).
6. Unscrew the control panel cover (6).
7. Connect the one display connector (CN-DISP) and the two vane
control connectors (CN-VANE1, CN-VANE2) of the front panel to
the indoor unit PCB (7).
8. Close the control box cover. Attach the link on the front panel as
shown (8). The link is supplied in the front panel shipping package.
9. Attach the other side of the link on the filter guide of the air inlet
grille, then install the filter and the air inlet grille on the front panel
(9).
Grille
Corner
Cover
1A
1B
Indoor Unit
Decoration panel
Insulation should fit tightly so that
cool air does not leak
Ceiling
Tile
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which will cause condensation to generate.
Finalizing Indoor Unit Installation—
Installing the Decoration Panel
Figure 207: PTVK430 Ventilation Kit.
Hook clip
Hook
23
45
Screw
CN VANE 1,2
CN DISP
Link
Link
Filter
guide
67
8
9
Figure 208: Installing the Decoration Panel.
PTVK430 Ventilation Kit
PTVK430 Ventilation Kit includes a flange for field-supplied ventilation pipe connection.
Easily connects at the four-way ceiling-cassette three (3) inch fresh air knockout hole.
Figure 209: Ensure that no gaps are present between the
indoor unit frame and the decoration panel.
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144 | CEILING-CASSETTE
Multi F and Multi F MAX Indoor Unit Engineering Manual
MULTI
F
MAX
MULTI
F