Daikin RXYQ28PY1 [229/487] If heat insulation of piping is insufficient heat loss will become larger and capacity will decrease

Daikin RXYQ46PY1 [229/487] If heat insulation of piping is insufficient heat loss will become larger and capacity will decrease
ED34-645B Capacity Tables (Heat Pump High COP Series)
RXYQ-PH 621
14
6. If heat insulation of piping is insufficient, heat loss will become larger and capacity will decrease.
Rate of change
(object piping)
Cooling (gas pipe)
Heating (liquid pipe)
Correction factor
Standard size Size increase
1.0
0.4
1.0
(Example) RXYQ48PHY1, YL
In the above case
(Cooling) Overall equivalent length=80m×1.0+40m=120m
(Heating) Overall equivalent length=80m×0.4+40m=72m
The rate of change in
cooling capacity when Hp=0m is thus approximately 0.82
heating capacity when Hp=0m is thus approximately 0.99
Gas pipe : Standard size
Liquid pipe : Size increase
Outdoor unit
Indoor
unit
Branch
80m
40m
Equivalent length
Equivalent length
(Example) RXYQ50PHY1, YL
(Example) RXYQ46PHY1, YL

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