Applied Control And Functions (Including Circuit Configuration); Indoor Controller Block Diagram; In Case Of Connection Of Wired (Simple) Remote Controller - Toshiba MMD-AP0186HP1-E Service Manual

8. APPLIED CONTROL AND FUNCTIONS
(INCLUDING CIRCUIT CONFIGURATION)

8-1. Indoor controller block diagram

8-1-1. In Case of Connection of Wired (Simple) Remote Controller

Indoor unit
#1 (Heder)
Indoor control P.C. board (MCC-1631)
Drain
pump
PMV
Flow
Selector
Unit
Indoor
fan motor
Power circuit
DC280V
Wired (Simple) heder remote controller (Max. 2 units)
Display LCD
Display LED
CPU
Remote controller
communication circuit
A B
DC20V
Remote controller
communication circuit
DC5V
DC12V
Driver
External
CPU
output
TMP88CH47FG
(TMP88PH47FG)
Run
Alarm
Defrost
Thermo. ON
COOL
Fan motor
HEAT
control circuit
FAN
Function setup Display LCD
Key switch
CN2
CN1
DC5V
Power circuit
∗1
EEPROM2
EEPROM1
TA sensor
TC1 sensor
TC2 sensor
CPU
H8/36109
TCJ sensor
Float input
HA
BUS
comunication circuit
AC
synchronous
signal input circuit
L N U1 U2
Up to 8 units are connectable.
∗1 It is unavailable to connect the Schedule remote
U1 U2
Outdoor unit
Power supply
1∅ , 220-240V, 50Hz
1∅ , 220V, 60Hz
– 29 –
Schedule remote controller
LCD driver
Function setup
CPU
Key switch
DC5V
Power Secondary
circuit battery
#2 #3
(Follower) (Follower)
A B A
Same as left Same as left
N
L N
L
Power
Power
Supply
Supply
Outdoor
unit
controller to the simple wired remote controller.
B
Outdoor
unit