Wotech Split EVI Heat Pump

The Wotech split EVI heat pump, special design for the ultra coldarea, which the fan unit could be installed outside and the main unit could be installed inside for people repair in convenience to avoid going the cold outside.
For more wotech heat pump information, welcome to visit http://www.ecowotech.com/site/blog

B3 Series Heat Pump with White Plastic Casing

Are you impressed by the Wotech B3 model? This model with white plastic casing, which is anti-corrosion to protect the heat pump from damage when you install the unit in the humid location.

For more wotech heat pump information, welcome to visit http://www.ecowotech.com/site/blog

Heat Pump Motherboards and Controllers Aging Test

All the motherboards and controller displays of heat pumps are connected to electricity and tested under a big range of electricity fluctuation, from 177V to 265V, for 72 hours. During this process, the poor-quality ones are easily found.

For more wotech heat pump information, welcome to visit http://www.ecowotech.com/site/blog

Heat Pump Pressure Gauges Leakage Check

Before assembling,the pressure gauges are all charged into high pressure nitrogen for 72 hours. The pressure status indicated is marked down on the notes.  Leakage can be easily found. The qualified gauges have a green round QC sticker on the back. 100% checked. This aging test could ensure the quality for you.

For more wotech heat pump information, welcome to visit http://www.ecowotech.com/site/blog

Refrigerant Charging of Heat Pump

In Wotech production line, before charging refrigerant into  system of heat pump, the refrigerant charging equipment first check if the system is vacuumed completely enough. Or it gives alarm and stop charging. In the refrigerant system, the air must be vacuumed completely.

For more wotech heat pump information, welcome to visit http://www.ecowotech.com/site/blog

Heat Pump Evaporator Checked

Each evaporator is charged with water pressure of 30 bar and slowly dipped into water to check leakage. Then the fins are tidied by brush.

For more wotech heat pump information, welcome to visit http://www.ecowotech.com/site/blog

 

Each Water Flow Switch Will Be 100% Checked in Wotech Heat Pump.

Each water flow switch of heat pump will be 100% checked before assembling in Wotech. The flow switches are connected with certain water flow, The lights are on if the flow switches function well. There will be a green PC passed sticker for the passed flow switch.

For more wotech heat pump information, welcome to visit http://www.ecowotech.com/site/blog