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Fig. 37
Earth screw
Cord clamp
Connection cord
Cable clip
CONNECTION CORD
A. Simultaneous operation for buildings
Fig. 38
Remote
controller
q w e
q w e
q w e
Indoor
unit
q w e
q w e
Master
q w e
R
S T N E
Outdoor
unit
(1) Connect a maximum of 2 wires on a
single terminal block. (If 3 or more
wires are connected, they could
become loose and cause heating.)
Indoor unit
Fig. 39
Slave
Master
q w e
q w e
BAD
q w e
Outdoor
unit
(2) Crossovers as in (q should not be
connected when connecting wires
between the master unit and slave
units, and from slave unit to slave
unit. (The system will not operate
correctly.)
Indoor unit
Fig. 40
Master
Slave
q w e
q w e
BAD
q w e
R
S T N E
Outdoor
unit
Control box
Connection cord
Terminal board
Remote con-
troller cord
Connection cord
Remote con-
troller cord
q w e
q w e
q w e
q w e
Slave
Slave
Slave
The Earth wire is omitted.
Slave
Slave
q w e
q w e
R
S T N E
Slave
Slave
q w e
q w e
BAD
BAD
B. Individual operation for buildings
Fig. 41
Remote
controller
q w e
q w e
Indoor
unit
q w e
q w e
Outdoor
unit
A
8. PRINTED CIRCUIT BOARD SETTING
1. MODEL SELECT SWITCH
Fig. 42
Indoor unit
Printed circuit board
• SW4, mounted on the circuit board, should be
checked.
Table 5 : Switch Setting
Model Name
45,000 BTU/h class
36,000 BTU/h class
30,000 BTU/h class
2. MASTER/SLAVE SELECT SWITCH
Fig. 43
Indoor unit
Printed circuit board
– 10 –
Remote
controller
q w e
q w e
q w e
q w e
q w e
Master
Slave
Master
q w e
B
The Earth wire is omitted.
SW4
FAN
SW4
1
2
OFF
OFF
OFF
ON
OFF
OFF
SW2
0
3
ON
OFF
OFF
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