r
e
m
i
t
Schedule
)
s
t
i
n
u
2
.
x
a
M
(
r
e
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)
simple
(
Wired
Central controller
(Option)
P.C. board
(MCC-1440)
* Case of “1:1 model” connection interface (Option)
Outdoor unit
Outdoor unit
3
2
1
3
2
1
3
2
1
Same as left
∗
2
#3
(Follower)
A
B
A
B
Same as left
∗
2
#2
(Follower)
A
B
DC5V
DC5V
Indoor unit
#1 (Header)
Indoor control P.C. board (MCC-1643)
Louver
motor
Drain
pump
Indoor
fan motor
MCU
Driver
DC12V
DC5V
DC20V
Outside
output
Remote controller
communication circuit
Display LCD
Function setup
Key switch
CN2
CN1
∗
3
MC
U
Display LED
Display LCD
LCD driver
MCU
Remote controller
communication circuit
Function setup
Key switch
Power circuit
Power circuit
DC280V
EEPROM
TA sensor
TC sensor
TCJ sensor
Float input
HA
TCC-LINK
communication circuit
Run
Warning
Defrost
Thermo. ON
COOL
HEAT
FAN
Serial send/
receive circuit
AC
synchronous
signal input circuit
Power
circuit
Secondary
battery
Outdoor unit
3
2
1
U3
U4
6
. INDOOR CONTROL CIRCUIT
6
-1. Indoor Controller Block Diagram
6
-1-1.
Connection of Wired (Simple) Remote Controller
∗
1 Up to 16 units (TU2C-Link) or 8 units (TCC-Link)
can be connected.
∗
2 The "1:1 model" connection interface is mounted
to only 1 unit. "1:1 model"connection interface is
mounted to the header unit.
- 26 -
