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Daikin E Series User Manual

Daikin E Series
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Basic Control SiAU18-715
78 Function
2.2 Compressor PI Control
Compressor PI Control
Carries out the compressor capacity PI control to maintain Te at constant during cooling
operation and Tc at constant during heating operation to ensure stable unit performance.
[Cooling operation]
Te changes corresponding to the capacity which indoor units require the above as the initial
value. (However -7
Te
15)
[Heating operation]
Tc changes corresponding to the capacity which indoor units require the above as the initial
value. (However 42
Tc
51)
RMK(X)S112 · 140 · 160E
Controls compressor capacity to adjust Te to
achieve target value (TeS).
Te : Low pressure equivalent saturation
temperature (°C)
TeS initial value TeS : Target Te value
(Varies depending on Te setting, operating
frequency, etc.)Condition L
M (Normal)
(factory setting)
H
D up369
D keep 12 12 12
D down 12 12 13
Controls compressor capacity to adjust Tc to
achieve target value (TcS).
Tc : High pressure equivalent saturation
temperature (°C)
TcS initial value TcS : Target Tc value
(Varies depending on Tc setting, operating
frequency, etc.)
LM (Normal)
(factory
setting)
H
43 46 49
STn
INV(Fullload)
INV(Unload) STn
INV(Fullload)
INV(Unload) STn
INV(Fullload)
INV(Unload)
1 36.0Hz 11 80.0Hz 21 140.0Hz
2 39.0Hz 12 86.0Hz 22 146.0Hz
3 43.0Hz 13 92.0Hz 23 152.0Hz
4 47.0Hz 14 98.0Hz 24 158.0Hz
5 52.0Hz 15 104.0Hz 25 164.0Hz
6 52.0Hz 57.0Hz 16 110.0Hz 26 170.0Hz
7 57.0Hz 64.0Hz 17 116.0Hz 27 175.0Hz
8 62.0Hz 71.0Hz 18 122.0Hz 28 180.0Hz
9 68.0Hz 78.0Hz 19 128.0Hz 29 185.0Hz
10 74.0Hz 20 134.0Hz 30 190.0Hz
31 195.0Hz
Compressors may operate in a pattern other than those listed in above tables subject to the operating conditions.
Selection of full load operation to/from unload operation is made with the unload circuit solenoid valve
(Y3S=SVUL). The full load operation is performed with the SVUL set to OFF, while the unload operation is
performed with the SVUL set to ON.

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Daikin E Series Specifications

General IconGeneral
BrandDaikin
ModelE Series
CategoryAir Conditioner
LanguageEnglish

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