IV. Trial running
1.Trial running must after all the installation completed.
2.Please confirm the following matters before the trial operation, put “√”in the boxes after
confirmation
▲ Unit is installed correctly
▲ Power supply meets unit’s rated power source need
▲ Piping and wiring are correctly installed
▲ Unit air inlet/outlet well-ventilated
▲ Drain off water is done well
▲ Leakage protective device act effectively
▲ Pipe thermal insulation
▲ Grounding wire connected correctly
3.After check and ensure correct, then power on. If the control panel display nothing, that should
recheck and tight the line of control panel. The control panel should display time, setting
temperature and the current temperature.
4.Discharge the air out of the pipelines , and then press ON/OFF button, the unit work under the
setting temperature, unit’s trial running would check the following:
▲ First time to run the device, check the current normal or not;
▲ The function keys on operation panel are normal or not;
▲ The indicator light is normal or not;
▲ The whole circulating hot water system has water leakage or not;
▲ The condensed water discharge is normal or not;
▲ System’s pressure is normal or not (according to the high water temperature or low
pressure);
▲ Whether there is abnormal sound and vibration during operation;
▲ The wind, sound and condensate of the unit affect the neighborhood or not;
▲ Whether there is leakage of refrigerant.
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