– 24 –
CPU
H
8
/
3
0
39
EEPROM
DC5V
DC12V
DC20V
AB
AB
AB
U1
U1
U2
U2
L1
L1
L2
L2
L1
L2
HA
U1
U2
U1
U2
Indoor unit
#1
Power
su
pply circ
u
it
Tr
a
n
s
former
Indoor control P.
C. board (MCC-140
3
)
PMV
Indoor
f
a
n
motor
F
a
n motor
control circ
u
it
Driver
Remote
controller
comm
u
nic
a
tion
circ
u
it
TA
s
en
s
or
TC1
s
en
s
or
TC2
s
en
s
or
TCJ
s
en
s
or
In oper
a
tion
Al
a
rm
Getting re
a
dy
Thermo
s
t
a
t ON
COOL
HEA
T
FA
N
AC
s
ynchroniz
a
tion
s
ign
a
l inp
u
t circ
u
it
BU
S
comm
u
nic
a
tion
circ
u
it
Extern
a
l
o
u
tp
u
t
Indoor/o
u
tdoor comm
u
nic
a
tion
O
u
tdoor
u
nit
Power
s
o
u
rce
20
8
/2
3
0-1-60
O
u
tdoor
u
nit
O
u
tdoor
u
nit
Power
s
o
u
rce
Power
s
o
u
rce
Sa
me
as
left
Sa
me
as
left
#2
#
3
Up to
8
u
nit
s
c
a
n
b
e
connected.
Wirele
ss
remote controller kit
S
en
s
or P. C. board
Remote controller
comm
u
nic
a
tion
circ
u
it
S
en
s
or circ
u
it
Di
s
pl
a
y
s
ection
8-1-2. When Wireless Remote Controller Kit Connected
