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1. Remove the control box lid. Connect the remote controller
and power supply (single-phase, 50 Hz 220-240 V or sin-
gle-phase, 60Hz 220V) respectively to the terminal block
and securely connect the earth also (as shown in the figure
below).
CAUTION
Securely clamp the cables with the clamps (9)(10) offered
as accessories as shown in Fig. 17 so that tension will not
be applied on the cable connection areas.
2. Confirm that the control box lid is closed before turning on
the power.
3. Remove the inspection lid.
4. Gradually pour approximately 1L of water from the inspec-
tion window into the drain pan to check drainage.
CAUTION
Be sure to prevent an external force from being exerted on
the float switch.
(This may cause breakage.)
5. Attach the inspection lid.
6. Perform the following operation using the remote controller,
and check drainage.
• Select the inspection/test operation button "
the remote controller. The unit will engage the test oper-
ation. Press the operation selector button "
select FAN OPERATION "
• Press the ON/OFF button "
drain pump will operate.)
CAUTION
The fan will turn also at the same time. Take due care.
Do not touch the drain pump to prevent electric shock.
Drain outlet
Refrigerant pipes
Service drain hole
(with rubber cap)
Indoor PCboard
P1
P2
F1
F2
T1
T2
REMOTE
TRANSMISSION
FORCED
CNTRL
WIRING
OFF
Remote controller
terminal connection
method
7. Make sure to use the remote controller in finishing the oper-
ation.
8
".
". (The indoor fan and
Inspection window
Portable pump
Inspection lid
Bucket
L
(ASSY)
L
Power supply:
Single phase,
50 Hz, 220 V–
240V
Single phase,
60Hz, 220 V
Power terminal
connection
method
Terminal block
Terminal block
8.
INSTALLING THE DUCT
Connect the duct supplied in the field.
Air inlet side
• Attach the duct and intake-side flange (field supply).
• Connect the flange to the main unit with accessory screws
(7).
Class
Number of
positions
• Wrap the intake-side flange and duct connection area with
aluminum tape or something similar to prevent air escaping.
CAUTION
When attaching a duct to the intake side, be sure to attach an air
filter inside the air passage on the intake side. (Use an air filter
whose dust collecting efficiency is at least 50% in a gravimetric
technique.)
The included filter is not used when the intake duct is attached.
(Field supply)
" using
Connection screw (7)
(accessory)
", and
Aluminum tape
(Field supply)
Air outlet side
• Connect a duct of appropriate size to the outlet-side flange.
• Wrap the outlet-side flange and the duct connection area
with aluminum tape or something similar to prevent air
escaping.
CAUTION
• Be sure to insulate the duct to prevent condensation from
forming. (Material: glass wool or polyethylene foam, 25 mm
N
thick)
• Use electric insulation between the duct and the wall when
using metal ducts to pass metal laths of the net or fence
N
shape or metal plating into wooden buildings.
• Be sure to explain about the way of maintaining and cleaning
additional parts, such as the air filter, grille (both air outlet and
suction grille), etc. to your customer.
15 · 20 · 25 · 32
40 · 50
16
22
Flange
Main unit
Air inlet side
Air outlet side
63
26
Insulation
material
Flange
(Field supply)
Aluminum tape
(Field supply)
English
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