– 31 –
7. INDOOR CONTROL CIRCUIT
7-1. Indoor Controller Block Diagram
7-1-1. Connection of Wired (Simple) Remote Controller
Wired remote controller (Max. 2 unit
s
)
Weekly timer
TCC-LINK
Centr
a
l controller
(Option)
TCC-LINK
a
d
a
pter P.C.
b
o
a
rd
(MCC-1440)
* Ca
s
e of TCC-LINK adapter
C
as
e of TCC-LINK
a
d
a
pter
(Option)
O
u
tdoor
u
nit
O
u
tdoor
u
nit
3
2
1
3
2
1
3
2
1
Up to 8 unit
s
are connectable.
∗
1
∗
1 However M
a
x.7
u
nit
s
a
re connect
ab
le in c
as
e of mo
u
nting network
a
d
a
pter
when two wired remote controller
s
a
re connected.
∗
2 The network
a
d
a
pter i
s
mo
u
nted to only 1
u
nit.
TCC-LINK
a
d
a
pter i
s
mo
u
nted to the m
as
ter
u
nit.
∗
3 Connection of the weekly timer to the
sub
remote controller i
s
u
n
a
v
a
il
ab
le.
Sa
me
as
left
∗
2
#3
(Follower)
A
B
A
B
Sa
me
as
left
∗
2
#2
(Follower)
A
B
DC5V
DC5V
Indoor unit
#1 (Header)
Indoor control P.C.
b
o
a
rd (MCC-1570)
Dr
a
in
p
u
mp
Indoor
f
a
n motor
MCU
Driver
H
u
midifier o
u
tp
u
t
DC12V
DC5V
DC20V
O
u
t
s
ide
o
u
tp
u
t
Remote controller
comm
u
nic
a
tion circ
u
it
Di
s
pl
a
y LCD
F
u
nction
s
et
u
p
Key
s
witch
CN2
CN1
∗
3
MCU
Di
s
pl
a
y LED
Di
s
pl
a
y LCD
LCD driver
MCU
Remote controller
comm
u
nic
a
tion circ
u
it
F
u
nction
s
et
u
p
Key
s
witch
Power circ
u
it
Power circ
u
it
DC280V
F
a
n motor
control circ
u
it
MCU
EEPROM
TA
s
en
s
or
TC
s
en
s
or
TCJ
s
en
s
or
Flo
a
t inp
u
t
HA
TCC-LINK
comm
u
nic
a
tion circ
u
it
R
u
n
W
a
rning
Defro
s
t
Thermo. ON
COOL
HEAT
FAN
S
eri
a
l
s
end/
receive circ
u
it
AC
s
ynchrono
us
s
ign
a
l inp
u
t circ
u
it
Power
circ
u
it
S
econd
a
ry
ba
ttery
O
u
tdoor
u
nit
3
2
1
U3
U4
