Computer Control Function Flow Chart For Inverter Ac Unit - Pioneer WYD-GLFI SERIES Service Manual

4. Computer Control Function Flow Chart for Inverter AC Unit

1) Outdoor control plan
Indoor control system
Indoor control board
Communication with outdoor unit
Indoor fan control
Louver motor control
Health assembly control
Temperature detection
Fan speed feedback
Electric heater control
Selection of cool-heat and cool-only
model
Selection of data sheet
Selection of Fahrenheit and
Centigrade temperature
Selection of LED OR without LED
display
Signal input
Display board
Temperature or fault code display
Emergencyl Switch signal input
Remote signal input
2) Indoor control plan
IPM module
ST72141
Communication with power
board、 PFC control、 IPM drive、 Current
sampling and processing 、 Voltage
sampling and signal processing 、
Detection of compressor feedback signal
PS21865
Compressor inverter drive
IPM fault signal output
Signal
wire
Outdoor PFC board
AC rectifier
Power factor adjustment
Boosting of DC voltage
Protection current sampling
Harmonic inhibition
Outdoor power source board
Live
Storage of working parameters
Neutral
Frequency generation
Outdoor temperature detection
Communication with indoor unit
Outdoor fan control
Communi
4-way valve control
cation
Outdoor power treatment
wire
Power ON/OFF
Communication with IPM
Fault and compressor state
indication
Switch signal on top of the
compressor
Chassis heating control
Electronic expansion valve control
Pressure switch signal processing
Voltage sampling
Outdoor control
Outdoor power source
source
TMP86F807N
Temperature detection
Communication with indoor
unit
Outdoor fan control
Signal wire
4-way valve control
Communication with module
Communic
board
ation wire
Power source indication
Repair key signal processing
Compressor top temperature
PFC control
protection
BMC processing
AC voltage sampling
DC harmonics
Supply DC power
Outdoor control system
board
Ground wire
L wire
N wire
Communic
ation wire
4
IPM module
Signal
Communication with power
wire
source board
Compressor drive
IPM fault output
Commu
nication
PFC control
Outdoor PFC board
AC rectifier
Power factor adjustment
Protection current sampling
Indoor control
Indoor main PCB
TMP86PH46NG
Working frequency control
Indoor fan control
Swing motor control
Temperature detection
Storage of model
parameters
Operating signal processing
Outdoor power supply
Audio indication
operation
Communication with
outdoor unit
Other optional functions
Indoor display panel
Remote signal acceptance
Preset temperature display
Protection and fault display
Key operation
DC power
for