(2}Check if the drainage is proper after completing installation.
After completing wiring installation
• To prevent water from gathering in the electrical
components such as the drain pump, add about
1 000CC water slowly from the air outlet. Check the
drainage condition in accordance with the "12. Field
settings and test run" while performing cooling
operation.
During wiring installation
-&
Caution---------------
• All electrical work (including grounding engineering)
must be carried out by the electricians with professional
qualifications.
• If the electricians are absent from the site, check the
drainage using steps 3 to 6 after the system test run is
stopped.
1. Remove the electrical component box cover and
connect the single-phase 50
/
60Hz, 220-240V power
circuit to the L and N of the power terminal block.
2. Check if the electrical component box cover has been
fastened completely before turning on the power
supply.
3. To prevent water from gathering in the electrical
components such as the drain pump, add about
1 000CC water slowly from the air outlet.
4. Turn on the power supply to start the drain pump. It is
possible to check the drainage condition through the
transparent part of the drain socket. (The drain pump
will stop automatically after 10 minutes.)
(Unit
[mm])
100"�---'¥'
;-
�t-1
-
�����-
--'
__ _
Plastic water
bottle
(Outlet pipe
about100mm
long)
Terminal
block
Figure 18
Service water outlet
(With rubber stopper)
discharge of water
gathered in drain pan
through this outlet
[Water adding method]
•
L
N
I
I
'-v--'
Power supply Single phase
'"'-'220-240V 50
/6
0Hz
-&
Caution---------------
• Be careful that the fan is also rotating now.
• Do not touch the drain pump to prevent electric shocks.
5. After completing drainage inspection (Figures 18 and
19), shut off the power supply and remove the power
wiring.
6. Attach the electrical component box cover as original.
9. Electrical wiring work
9-1.0verview
• Always shut down the power supply before performing any
electrical work.
• All locally-purchased parts & materials and electrical work
must comply with local codes.
• Use copper conductors only.
• When performing the electrical wiring work, refer to the
"wiring diagram" labeled to inside casing near EL box.
• For details of the remote controller's wiring, refer to the
"Remote controller installation manual" included with it.
• All wiring work must be carried out by the qualified
electricians.
• The system includes several indoor units. Name each
indoor unit after A unit, B unit.... and make sure that the
numbers of the wires connected from the terminal blocks
are consist with that of the outdoor unit and BS unit.
Incorrect wire and piping connection between the indoor
unit and outdoor unit will result in the air conditioning
system abnormally operating. To prevent error occurring,
perform wiring by referring to [Wiring example].
• Be sure to install a line breaker or earth leakage circuit
breaker near the power supply.
• Do not connect the earth wire to the gas pipes, water pipes,
lightning rods or telephone earth wires.
• Gas pipes: gas leakage can cause explosion or fire.
• Water pipes: cannot be grounded if hard polyethylene
pipes are used.
• Telephone earth wires and lighting rods: the ground
potential when struck by lightning gets extremely high.
• To prevent short circuit of the power wiring, terminals with
insulation sleeves must be used.
• Do not turn on the power supply {line breaker or earth
leakage circuit breaker) before completing all electrical
work.
9-2.Specifications of the standard electric wires
Power wiring, etc.
Power supply wiring
Remote controller wiring
Transmission wiring
Model
Field
fuses Wiring
Size
Wiring
Size
-B-
Vinyl cord
2.5 mm' with sheath 0.75-
16A
or cable 1.25 mm'
NOTE 4, 5) NOTE 7)
(2 core)
NOTE 6)
Note
-a-
1. It is possible to have the overcurrent circuit breaker
instead of the fuse.
2. If the electric wires are located in the places where they
are easy to be touched by personnel, mount the earth
leakage circuit breaker to prevent electric shocks.
3. Use the earth leakage circuit breaker compatible with
the appliances for grounding over-current protection
and short circuit protection. If the ground protection
special appliance is mounted to the earth leakage circuit
breaker, be sure to mount a line breaker together.
4. Shows only in case of protected piping. Use H07RN-F in
case of no protection.
5. Supply cords shall not be lighter than polychloroprene
sheathed flexible cord (code designation 60245 IEC 57)
6. Vinyl cord with sheath or cable (Insulated thickness : 1 mm
or more)
7. Wiring size and length must comply with local codes or
IEC 60335-1 (Table 11)
9
H05VV-U3G
F
XKQ
32AV16
/
AV
M
F
XKQ
40AV16
/
AV
M
F
XKQ
50AV16
/
AV
M
F
XKQ
63AV16
/
AV
M
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