11
Note:
Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
For description of each LED (LED1, 2, 3) provided on the indoor controller, refer to the following table.
LED1 (power for microcomputer)
Indicates whether control power is supplied. Make sure that this LED is always lit.
LED2 (power for remote controller)
Indicates whether power is supplied to the remote controller. This LED lights only in the case of the
indoor unit which is connected to the outdoor unit refrigerant address “0”.
LED3 (communication between indoor and outdoor units)
Indicates state of communication between the indoor and outdoor units. Make sure that this LED is
always blinking.
8. Test run
8.4. Check of drainage (Fig. 8-5)
• During the trial run, ensure the water is being properly drained out and that no
water is leaking from joints.
• Always check this during installation even if the unit is not required to provide cool-
ing/drying at that time.
• Similarly, check the drainage before finishing ceiling installation in a new premises.
(1) Remove the cover of the water supply inlet and add about 1000 cc of water using
a water supply pump etc. During this process, be careful not to spray water into
the drain pump mechanism.
(2) Confirm that water is being drained out through the drainage outlet, after switch-
ing over from remote control mode to trial run mode.
(3) After checking the drainage, ensure that the cover is replaced and the power
supply is isolated.
(4) After confirming the drainage system is functioning, replace the drain plug.
A
B
C
D
E
Fig. 8-5
A
Insert the pump end 3 to 5 cm
B
Cover of water supply inlet
C
About 1000 cc
D
Water
E
Drain plug
9. System controll
Refer to the outdoor unit installation manual.
10.1. Checking the contents (Fig. 10-1)
• This kit contains this manual and the following parts.
Accessory name
Q’ty
Remark
1
Grille
1
950
×
950 (mm)
2
Screw with captive washer
4
M5
×
0.8
×
25
3
Gauge
1
(Divided into four parts)
4
Fastener
2
5
Screw
4
4
×
8
6
Wireless remote controller
1
for PLP-6AALM
7
Wired remote controller
1
for PLP-6AAM
10. Installing the grille
1
4
5
6
7
ø
20
ON/OFF
2
3
Fig. 10-1
Fig. 10-2
A
D
C
B
A=17
+5
0
Fig. 10-3
B
A
C
1
1
D
E
2
F
G
F
B
1
10.2. Preparing to attach the grille (Fig. 10-2)
• With the gauge
3
supplied with this kit, adjust and check the positioning of the unit
relative to the ceiling. If the unit is not properly positioned relative to the ceiling, it
may allow air leaks or cause condensation to collect.
• Make sure that the opening in the ceiling is within the following tolerances:
860
×
860 - 910
×
910
• Make sure that step A is performed within 17-22 mm. Damage could result by fail-
ing to adhere to this range.
A
Main unit
B
Ceiling
C
Gauge
3
(inserted into the unit)
D
Ceiling opening dimensions
10.2.1. Removing the intake grille (Fig. 10-3)
• Slide the levers in the direction indicated by the arrow
1
to open the intake grille.
• Unlatch the hook that secures the grille.
* Do not unlatch the hook for the intake grille.
• With the intake grille in the “open” position, remove the hinge of the intake grille
from the grille as indicated by the arrow
2
.
10.2.2. Removing the corner panel (Fig. 10-4)
• Remove the screw from the corner of the corner panel. Slide the corner panel as
indicated by the arrow
1
to remove the corner panel.
A
Intake grille
B
Grille
C
Intake grille levers
D
Grille hook
E
Hole for the grille’s hook
F
Corner panel
G
Screw
Fig. 10-4