Carrier 38QUA009DS, Service Manual, Page: 80 / 116

77

All field wiring construction should be
finished by qualified electrician.

Air conditioning equipment should be
grounded according to the local electrical
regulations.

Current leakage protection switch should
be installed.

Do not connect the power wire to the
terminal of signal wire.

When power wire is parallel with signal wire,
put wires to their own wire tube and remain
at least 300mm gap.

According to table in indoor part named
“the specification of the power” to choose
the wiring, make sure the selected wiring
not small than the date showing in the
table.

Select different colors for different wire
according to relevant regulations.

Do not use metal wire tube at the place with
acid or alkali corrosion, adopt plastic wire
tube to replace it.

There must be not wire connect joint in the
wire tube If joint is a must, set a connection
box at the place.

The wiring with different voltage should not
be in one wire tube.

Ensure that the color of the wires of outdoor
and the terminal No. are same as those of
indoor unit respectively.
Test operation
1 The test operation must be carried out
after the entire installation has been
completed.
2 Please confirm the following points
before the test operation.

The indoor unit and outdoor unit are
installed properly.

Tubing and wiring are correctly completed.

The refrigerant pipe system is
leakage-checked.

The drainage is unimpeded.

The ground wiring is connected correctly.

The length of the tubing and the added
stow capacity of the refrigerant have been
recorded.

The power voltage fits the rated voltage of
the air conditioner.

There is no obstacle at the outlet and inlet
of the outdoor and indoor units.

The gas-side and liquid-side stop values
are both opened.

The air conditioner is pre-heated by turning
on the power.
3 Test operation
Set the air conditioner under the mode of
"COOLING" by remote controller, and check
the following points.
Indoor unit

Whether the switch on the remote controller
works well.

Whether the buttons on the remote
controller works well.

Whether the air flow louver moves
normally.

Whether the room temperature is adjusted
well.

Whether the indicator lights normally.

Whether the temporary buttons works well.

Whether the drainage is normal.

Whether there is vibration or abnormal
noise during operation.
Outdoor unit

Whether there is vibration or abnormal
noise during operation.

Whether the generated wind, noise, or
condensed of by the air conditioner have
influenced your neighborhood.

Whether any of the refrigerant is leaked.