MCAC-HTSM-201506 Midea R410A Direct Heating Commercial Heat Pump 50Hz Technical Manual
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2.6 Water pipeline system
Water pipe joint specifications of single unit.
Water pipeline system design and construction must meet the national water and heating
pipeline design requirements and relative standards.
All the pipes are recommended to use PPR pipe, and the PPR pipe specificatons refers to
up table.
It must prevent dust and other sundries enter into the pipeline system during the pipeline
installation and connection.
The water flow switch which is used to detect the circulating water flow volume should be
prepaired in site. The cut-off value of water flow switch is not less than (0.1m
3
/h×amount of
units).
Only after unit is fixed, the water pipes can be installed.
Use thermal insulation material to wrap the inlet water pipe, outlet water pipe and circulative
water pipes.
The pipe diameter of main water pipes:
RSJ-420/SZN1-H
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