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3. When including BS unit
[PRECAUTIONS]
1. All transmission wiring except for the remote controller wires is polarized and must match the terminal
symbol.
2. A single switch can be used to supply power to units on the same system. However, branch switched and
branch circuit breakers must be selected carefully.
3. Do not connect the ground wire to gas or water pipes, lightning rods or telephone ground wires. Incom-
plete grounding may result in electric shocks.
10. FIELD SETTINGS
(1) Make sure the control box lids are closed on the indoor and outdoor units.
(2) Field settings must be made from the remote controller and in accordance with installation condi-
tions.
• Settings can be made by changing the "Mode No.", "FIRST CODE NO." and "SECOND CODE NO.".
• The "Field Settings" included with the remote control lists the order of the settings and method of oper-
ation.
Setting is made in all units in a group. To set for individual indoor units or to check the setting, use the
mode No. (with "2" in upper digit) in parentheses ( ).
10-1 SETTING AIR OUTLET DIRECTION
• For changing air outlet direction (2 or 3 directions), refer to the optional installation manual of the sealing
material of air discharge outlet kit or the service manual.
(SECOND CODE NO. is factory set to "01" for air outlet in 4 directions.)
10-2 SETTING FOR OPTIONS
• For settings for options, see the installation instructions provided with the option.
10-3 SETTING AIR FILTER SIGN
• Remote controllers are equiped with liquid crystal display air filer signs to display the time to clean air fil-
ters.
• Change the SECOND CODE NO. according to
the room
.
(SECOND CODE NO. is factory set to
18
Power supply
220-240V
Outdoor unit
~
Control box
50Hz
IN/D OUT/D
F1 F2 F1 F2
or
L N
220V
~
60Hz
Indoor
unit A
L N
"
Table 4
"
"
01
for air filter contamination-light.)
BS unit
Control box
No. 3
OUT/D IN/D
F1 F2 F1 F2
System
P
P
F
F
T
T
1
2
1
2
1
2
P
P
1
2
Fig. 30
" depending on the amount of dirt or dust in
English
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