Control Block Diagram; Indoor Controller Block Diagram - Toshiba RAV-RM2801DTP Series Service Manual

6. CONTROL BLOCK DIAGRAM

6-1. Indoor Controller Block Diagram

6-1-1. In Case of Connection of Wired (Simple) Remote Controller
Indoor unit
#1 (Header)
PMV
Fan IPDU
(MCC-1610)
Fan motor
Indoor
control
fan
motor
circuit
Power
Reactor
circuit
Noise filter
Drain
P.C. Board
pump
(MCC-1551)
*Option
Wired (Simple) header remote controller
(Up to 2 units)
Display LCD
Display LED
EEPROM
Remote controller
communication circuit
Indoor control P.C. Board
(MCC-1643)
DC20V
DC5V
Driver
DC12V
Outside output
Start/Alarm/Ready
Power
circuit
MCU
DC5V
DC15V
Function setup
Key switch
CPU
CN2
DC5V
Power
circuit
A B
Remote controller
communication circuit
EEPROM
TA sensor
MCU
TC sensor
TCJ sensor
Float input
HA
Serial
communication
circuit
L N 1 2 3
Power supply
1Φ 220-240V, 50Hz
1Φ 220V, 60Hz
Outdoor unit
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
- 24 -
Schedule timer
Display LCD
LCD driver
CN1
Function setup
CPU
Key switch
DC5V
* 1
Power Secondary
circuit battery
#2
(Follower)
A B
Same
as left
L N
1 2 3
Power
supply
Outdoor
unit
Indoor/Outdoor
communication
#3
(Follower)
A B
Same
as left
L N
1 2 3
Power
supply
Outdoor
unit