Haier HXC-158B, Operation Manual

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Initial start-up and continuous operation shall comply with the following regulations:
When the refrigerator is empty, connect the power line to dedicated socket that meets the
standard. Make sure that the power supply is the rated voltage.
After power-on, the audible alarm may ring. This is normal. Turn on battery switch, press
buzzing cancel button, to eliminate the alarm. Visual alarm operates continuously until the
temperature of sensor in temperature measurement box reaches 2°C-6°C .
The refrigerator is pre-set to be operated at 4°C before leaving the factory. Temperature
setting is not needed.
After hours of operation, temperature of refrigerator will be stabilized at a set value. Once the
temperature of the refrigerator is stabilized, please examine whether the temperature
measurement box is in accordance with the temperature at set point.
Turn on the light, and ensure that the lamp in the refrigerator is operated normally.
Put the articles gradually into the refrigerator, after complete examination of refrigerator.
35 10
Circuit Diagram
（
HXC-158/158B/358/358B/608/608B
）
CN2
Cooling fan
Compressor
Defrosting heating strip
CN2
CN1
CN3
CN1
1
BT1
BAT+
BAT -
Main control panel
CN5
Internal fan
Display panel
CN2
CN3
Sensor
Alarm
Defrosting
Control
Lower temperature
Upper temperature
VCC
GND
Heating strip at the cabinet outlet
CN1
t
Door heating strip
Door heating transformer
CN1
J5 L
N
USB drive board
CN1
16V
GND
16V
GND
CN7
Wiring terminal
Battery switch
Power line
L
N
E
Double-throw switch
Lamp switch
C
H
L
High temperature prevention thermostat
C
H
L
Low temperature prevention thermostat
Power panel
N
L
FAN
HTR
NC NC NC
NO NO NO
K3 K7 K4
CN5
CN4
CN2
CN4
USB
PRINT
Printer communication interface
CN4 and CN5 are both LED power supply interfaces.
USB drive derivative interface
Remark: (HXC-158/158B without USB drive)
Temperature recorder (optional)
LED lamp bank
GND +12V
Note: Cables at terminal C and terminal L of the low temperature prevention thermostat are exchangeable.
CN6
NO COM NC
NO COM NC
Remote alarm port
door
Door switch
Switch
Initial Power-on