
EDUS39-600-F5 Installation
FXHQ-M 29
3. When including BS unit
NOTE
1. It is not necessary to designate an indoor unit address
when using group control. The address is automatically
set when power is activated.
2. All transmission wires except for remote controller wires
are polarized and must match the terminal symbol.
3. A single switch can be used to supply power to units on
the same system but branch switches and branch circuit
breakers must be selected carefully.
4. Do not ground the equipment on gas pipes, water pipes,
or lightning rods, or crossground with telephones.
Improper grounding can result in electric shock.
10. ATTACHING THE SUCTION GRILLE,
THE DECORATION PANELS AND THE
PROTECTION NET
Once wiring is complete, firmly attach the control box lid, the
suction grille, the decoration panels, and the protection net in
the order opposite to detachment.
• Attach the protection net from the way of the hook (i), fix 2
securing screws of the middle of the other side first (ii), then
fix the remaining securing screws (iii).
11. FIELD SETTING
Make sure the control box lids are closed on the indoor
and outdoor units, and turn on the power.
Field setting must be made from the remote controller in
accordance with the installation manual.
• Setting can be made by changing the Mode No., FIRST
CODE NO., and SECOND CODE NO.
• For setting and operation, refer to the FIELD SETTING
section in the installation manual of the remote controller.
11-1 SETTING AIR FILTER SIGN
• Remote controllers are equipped with liquid crystal display
air filter signs to display when to clean air filters.
• Change the SECOND CODE NO. according to Table 5
depending on the amount of dirt or dust in the room.
SECOND CODE NO. is factory set to [01] for air filter con-
tamination-light.
Ta b l e 5
Wireless remote controllers:
• When using wireless remote controllers, a wireless remote-
controller address setting is necessary. Refer to the instal
IN/D OUT/D
F
1 F2 F1 F2
IN/DOUT/D
F
1 F2 F1 F2
L1 L2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
BS unit
Outdoor unit
Power
supply
208-230V
60Hz
Indoor unit A
Most
downstream
indoor unit
Power
supply
208-230V
60Hz
Control box
Control box
IN/DOUT/D
F
1 F2 F1 F2
BS unit
Control box
L1 L2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
Remote
controller
L2L1
Fig. 33
L2L1
Setting
Spacing time of dis-
play air filter sign
(long life type)
Mode
No.
FIRST
CODE
NO.
SECOND
CODE
NO.
Air filter contamina-
tion-light
Approx. 2500 hrs
10 (20) 0
01
Air filter contamina-
tion-heavy
Approx. 1250 hrs 02
Decoration
panel
Protection net
(ii)
(ii)
(i)
(i)
Hook
Hook
(ii)
Fig. 34
Protection net
securing screws (M4)
(iii)
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