Table of Contents
Advertisement
7. APPLIED CONTROL AND FUNCTION
7-1. Indoor Controller Block Diagram
7-1-1. When Main (Simple) Wired Remote Controller Connected
Indoor unit
#1
Sub P.C. board
(MCC-1431)
Driver
Drain
pump
Louver
motor
Indoor
fan motor
DC280V
Main (Simple) wired remote controller
(Up to 2 sets)
Display part
LCD
CPU
Display part
LED
Remote controller
communication circuit
A
B
Main P.C. board
(MCC-1510)
DC20V
Remote controller
communication circuit
Central control
communication circuit
DC5V
Driver
Start/Alarm/Ready
Thermostat ON
COOL/HEAT/FAN
Outside output
DC12V
Fan motor
control circuit
Power
circuit
Function setup
Key switch
DC5V
Power circuit
EEPROM
TA sensor
TC1 sensor
CPU
TC2 sensor
TCJ sensor
HA
Float input
BUS
Communication
circuit
AC synchronous
signal input circuit
L
1
L2
U1
U2
L1
L2
Power supply
208/230-1-60
– 22 –
#2
#3
A
B
A
Same
Same
as left
as left
U1U2
U1U2
L1 L2
L1 L2
Power
Power
supply
supply
Outdoor
Outdoor
unit
unit
Max. 8 units are connectable.
U2
Outdoor unit
U1
B
- Quick Links:
- Exploded Views and Parts List
Hide quick links:
Advertisement
Table of Contents
