Energy Master HHPM SERIES, Инструкции по установке, эксплуатации, техническому обслуживанию и ремонту

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Manual Heat Pump Model HHPM-V.2- SEP 2012
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evacuation and charging.
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Top panel of the heat pump can be removed to service the plate type heat exchanger,
evaporator coil, pump and etc.
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Left panel can be removed to service fan and motor.
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Right panel canbe removed to service compresor.
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Care should be taken to use good refrigeration service techniques when repairing the unit.
7.3. Leak Repair/Brazing
Always follow all of the component manufacturers instructions when installing or servicing
individual components.
When repairing water system leaks it will be necessary to isolation the heat pump from the water
system and drain the heat pump piping before brazing.
When replacing any refrigeration system component it is recommended that the filter drier be
replaced also. Use the following guidelines when brazing: On all copper to copper joints 15% silver solder
should be used.On all copper to steel or copper to copper plated steel joints 45% silver solder with paste
flux should be used.
7.4.Removal of existing refrigerant
If heat pump has a. refrigerant charge present then that charge needs to be recovered according
to local and national laws using appropriate recovery and recycling equipment.
Typically this refrigerant is recovered to a refrigerant bottle. If the refrigerant is suspected to be
contaminated it must be recycled (cleaned) at an appropriate facility for future use. If the refrigerant is not
contaminated and good recovery techniques are used, it can be placed back into the original equipment
after repairs are complete.
7.5. Removal of defective components
The refrigeration system piping should remain vented while brazing to prevent a build up of
pressure.
Use a nitrogen gas purge when brazing if possible to prevent the formation of internal scale in the
system piping.