Haier HYC-509 - Page 42

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Circuit diagram
Display screen/board
Expansion board
NFC
module
HYC-509/509F/1099/1099F Optional
Temperature
and humidity
sensor
Electromag
netic lock
control
Ozone
module
(optional)
Magnetic
door switch
Switching power
supply 12V
Battery
switch
Main control board
Light
Condensation sensor
Upper temperature sensor Lower temperature sensor
Defrosting sensor
Control sensor
Remote alarm
Condenser fan
Evaporator fan 3
Evaporator fan 2
Evaporator fan 1
Transformer
Door heating wire
Cabinet opening
heating wire
Mullion heating wire
Frequency
converter
Compressor
Anti-low temperature
mechanical thermostat
Transformer
Water pan heating wire
Temperature limiter
Filter
Master power switch
Live wire Neutral lin
e
Ground wire
Note: Evaporator fan 3 and mullion heating wire in the dashed line boxes are only suitable for HYC-1099 series products.
Punch card
Only for HYC-509R/1099R
RFID
Industrial Personal
Computer
DB9 newsletter
lock1 lock2
aerial
6 floor/12 floor
Display screen
HDMI USB
M5
M4 M3
M2
M1