Daikin FVXM25A2V1B, Installation Manual

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8 Finishing the indoor unit installation
Installation manual
11
C FVXM25~50A
Split system air conditioners
3P477070-2M – 2021.09
7.3 To connect optional accessories
(wired user interface, central user
interface, wireless adapter, etc.)
1 Remove the electrical wiring box cover. See "5.2 Opening the
indoor unit" [
4
4].
2 Connect the optional adapter wire to the S21 connector. To
connect the optional adapter wire to the option, refer to the
installation manual of the optional adapter.
3 Lead the wire as shown in the figure below.
a
b
4 Close the electrical wiring box cover. See "8.2 To close the
indoor unit" [
4
11].
8 Finishing the indoor unit
installation
8.1 To finish the indoor unit
installation
1 After the drain piping, refrigerant piping and the electrical wiring
are finished. Wrap the refrigerant pipes and the interconnection
cable with insulation tape. Overlap at least half the width of the
tape with each turn.
a
b
c
d
e
f
a Interconnection cable
b Gas pipe
c Gas pipe insulation
d Insulation tape
e Liquid pipe
f Liquid pipe insulation
2 Pass the pipes through the wall hole and seal the gaps with
putty.
8.2 To close the indoor unit
8.2.1 To close the electrical wiring box and
close the terminal block
1 Hook the electrical wiring box onto the 2 tabs, close it, and fix it
with 1 screw.
2 Attach the front metal cover and fix it with the screw.
3 Close the sensor securing plate.
8.2.2 To re-install the front grille
1 Attach the front grille to the original position.
2 Secure the front grille in 4 tabs.
3 Secure with the 2 original screws on the top part and with the 2
white head screws (accessory) on the bottom part.
2×
2×
b a
c c
a Front grille
b 4 tabs
c White head screws (accessory)
8.2.3 To re-install the front panel
1 Insert the front panel into the grooves of the unit (3 places) and
attach the string.
2 Close the front panel and slide both sliders until they click.
3 Push on the sides of the front panel to make sure the front
panel is securely fixed.
a S21 connector
b Optional adapter wire