1. MODEL SELECT SWITCH
123
1
23
OUTDOOR
UNIT
REMOTE
CONTROL
Fig. 37
Control box
Connection cord
Terminal board
Earth screw
Cord clamp
Remote con-
troller cord
Remote con-
troller cord
Connection cord
Cable clip
– 10 –
CONNECTION CORD
A. Simultaneous operation for buildings
Remote
controller
Indoor
unit
Outdoor
unit
Master
R
Slave
Slave
Slave
q w e
q w e
q w e
q w e
q w e
q w e
q w e
q w e
q w e
q w e
S T N E
The Earth wire is omitted.
Fig. 38
1
O
F
F
2
3
FAN
SW4
Fig. 42
B. Individual operation for buildings
Remote
controller
Indoor
unit
Outdoor
unit
Master
Master
A
Slave
q w e
B
q w e
q w e
q w e
q w e
q w e
q w e
Remote
controller
q w e
q w e
q w e
The Earth wire is omitted.
Fig. 41
(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.)
(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
Outdoor
unit
Master
R
Slave
Slave
Slave
q w e
q w e
q w e
q w e
q w e
S T N E
BAD
Fig. 39
Indoor unit
Outdoor
unit
Master
R
Slave
Slave
Slave
q w e
q w e
q w e
q w e
q w e
S T N E
BAD
BAD
BAD
Fig. 40
8. PRINTED CIRCUIT BOARD SETTING
Indoor unit
Printed circuit board
2. MASTER/SLAVE SELECT SWITCH
0
SW2
Fig. 43
Indoor unit
Printed circuit board
• SW4, mounted on the circuit board, should be
checked.
Table 5 : Switch Setting
SW4
45,000 BTU/h class
1
2
3
Model Name
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
36,000 BTU/h class
30,000 BTU/h class
Connection cord
