685408006D 47
protocol RTU mode. (See appendix II)
The cooling unit can be remotely monitored and controlled. For further support you may ask our service team
for technical solution.
13 Cleaning and Maintenance
Please cut off the cooling unit’s power before carrying out any cleaning or maintenance operation.
13.1 Cleaning
The operation efficiency and reliability of the equipment will be improved by periodic cleaning and maitenance,
call our service team for further service cooperation.
Pay special attention to the following instructions:
•Use a soft brush or compressed air (Medium pressure to avoid damage to the fins).
Proceed as follows:
1) Cut off power supply to the cooling unit.
2) Remove the external cover.
3) Clean the air ventilation channel.
4) Clean the external fan.
5) Clean the exchangers.
6) Put back the external cover
7) Connect the power and observe the test mode to make sure the equipment is running properly.
Avoid electrical shock
Prevent damage to the heater exchangers
Don’t use any pointed or Sharp-edged objects
To prevent damage to the electrical connection on the inside of the covering hood, the electrical plug-in
connections must be carefully removed before cleaning and reconnected after.
13.2 Maintenance
During equipment malfunction, a fault alarm code will be shown on the display. Please refer to the trouble
shooting guide below to identify & rectify the fault. (See section 15)
After every service & maintenance, please complete the power-on self test process to ensure that the cooling
unit is functioning properly.
14 When not in used
Please switch off the cooling unit when it is not in use for a longer period of time. Ensure that non-authorized
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