6
.
CONTROL BLOCK DIAGRAM
6
-1. Indoor
C
ontroller
B
lock
D
iagram
6
-1-1. In Case of Connection of Wired (Simple) Remote Controller
Same
as left
A
B
L
N
Power
supply
Outdoor
unit
CPU
DC5V
DC5V
*1
CN2
CN1
Wired (Simple) header remote controller
(Up to 2 units)
Schedule timer
Function setup
LCD
driver
CPU
Power
circuit
Power
circuit
Remote controller
communication circuit
Display
LCD
Display LCD
EEPROM
Display LED
Secondary
battery
Key switch
Function setup
Key switch
Same
as left
#2
A
B
A
B
L
N
Power
supply
Outdoor
unit
(Follower)
#3
(Follower)
Remote controller
communication circuit
MCU
EEPROM
TA sensor
TC sensor
TCJ sensor
Float input
HA
Driver
Start/Alarm/Ready
PMV
Serial
communication
circuit
Power
circuit
Outdoor unit
Power supply
1Φ 220-240V, 50Hz
1Φ 220V, 60Hz
Indoor/Outdoor
communication
1
2
N
L
Outside output
DC12V
DC5V
DC20V
Indoor control P.C. Board
(MCC-1643)
Indoor
fan
motor
Reactor
Power
circuit
MCU
Fan motor
control
circuit
DC5V
DC15V
Fan IPDU
(MCC-1610)
Noise filter
P.C. Board
(MCC-1551)
Drain
pump
*Option
Indoor unit
#1 (Header)
Up to 8 units are connectable. *1
*1
However, if "1:1 model
connection
interface" is
connected when 2 wired (simple) remote controllers
are connected, Max. 7 units are connectable.
2 Connect "1:1 model connection interface" to only
1 unit and connect 1 "1:1 model connection interface"
to the header
unit
.
3 It is unavailable to connect the Schedule remote
controller to the simple wired remote controll
3
*
*
1
2 3
1
2 3
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