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Automatic Alarm Recovery
This series of refrigerator is has an automatic alarm recovery feature.
• When the system is in the alarm mode, you can press the “Silence” on the display panel to cancel
the alarm. (The remote alarm will not be stopped.)
• If the alarm condition still exists, the buzzer will return to the alarm mode again automatically 30
minutes later.
Remote Alarm Terminals
HYC-410 has remote alarm terminals:
• Remote alarm terminals are installed on t he
re fri gerat or and th e al arm si gnal behin d t he
compartment is output by the terminals. The bearing
capacity of the terminals is DC 30V, 2A.
• Terminal output:
Remote alarm terminals include NO, NC and COM.
The user can choose “NO” or “NC” if needed. It is
recommended that the length of remote alarm cable
should not exceed 3 meters.
• HYC-410 optional RS232 or 485 network interface:
The interface terminal is on the electric control case
cover at the back of the refrigerator.
After the connection, the temperature data can be
transmitted to the user monitoring software.
COM
NO
NC
• If alarm condition is not corrected within 30 minutes, buzzer and remote control contact will restart.
• If there is a power outage, a fully charged emergency battery can keep the alarm function in
working condition for 24h.
• Once the unit starts up and restarts after a long time in storage, charge the battery for to keep the
alarm function for 48h. Even if the battery discharges, remote alarm contact shall keep in working
condition.
• Press "Alarm Test " key. For each press, the buzzer goes off thrice with frequency as 1Hz
continuously. Meanwhile, the alarm indicator light flashes repeatedly, when a fault occurs, each
fault code will be displayed in turn.If the remote hardware is not in the alarm state, the remote alarm
relay will disconnect for 3 seconds and then pull off , and then decide to act according to whether the
alarm is needed.
Caution
9
Follow the fl ow chart below to start the refrigerator:
While the refrigerator is empty, connect the power line to the appropriate
dedicated socket and make sure the power supply in the socket matches the
required voltage and frequency.
The refrigerator has been preset to operate at 2~8℃ in the factory and it is not
required to set temperature.
After the power is switched on, turn on the battery charging switch. The audible
alarm is usually triggered. Press the buzzer to stop the alarm. The audible
alarm continues to operate until the temperature of the sensor reaches 5℃±3℃.
It usually takes several hours for the refrigerator temperature to reach a
stable condition. When the temperature becomes stable, inspect the actual
temperature to make sure it matches the set point.
Turn on the light switch and ensure the light inside the freezer operates properly.
When the refrigerator passes all the functional inspections, load in products in batches.
Initial Power-on
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