![Daikin EWLDС13I-SS [18/36] Operating limits](/img/pdf.png)
Daikin EWLDС13I-SS [18/36] Operating limits
![Daikin EWLD850I-SS [18/36] Operating limits](/views2/1667993/page18/bg12.png)
18
Operating limits
EWLD~I-SS
Table 1 - Evaporator minimum and maximum water Δ
t
Max evaporator water Δt°C8
Min evaporator water Δt°C4
Table 2 - Evaporator fouling factors
Table 3.1 - Minimum glycol percentage for low water temperature
2 0 -2 -4 -6 -8
10 20 20 20 30 30
10 20 20 30 30 30
Note: Minimum glycol percentage to be used with evaporator leaving water temperature below 4°C to prevent freezing of water circuit.
Table 3.2 - Minimum glycol percentage for low air temperature
-3 -8 -15 -23 -35
10% 20% 30% 40% 50%
-3 -7 -12 -20 -32
10% 20% 30% 40% 50%
Note (1): Minimum glycol percentage to prevent freezing of water circuit at indicated air ambient temperature
Propylene glycol (%) (1)
Note (2): Air ambient temperature do exceed the operating limits of the unit, as protection of water circuit may be needed in winter season at
non-working conditions
Air Ambient Temperature (°C) (2)
Air Ambient Temperature (°C) (2)
Ethylene glycol (%) (1)
Ethylene glycol (%)
Propylene glycol (%)
Evaporator Leaving Water Temperature (°C)
1.000
0.992
0.983
0.975
0.986
0.974
0.962
0.0176
0.0440
0.0880
0.1320
1.000
0.978
0.957
0.938
1.000
Fouling factors
m
2
°C / kW
Cooling capacity
correction factor
Power input
correction factor
EER
correction factor
20
25
30
35
40
45
50
55
60
65
‐10 ‐9 ‐8 ‐7 ‐6 ‐5 ‐4 ‐3 ‐2 ‐1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
EvaporatorLeavingWaterTemp.(°C)
CondenserLeavingWaterTemp.(°C)
OperationwithGlycol
(below4°CEvapLWT)
Содержание
- Code requirements safety and observant of laws directives 3
- Features and advantages 3
- Infinitely capacity control 3
- Seasonal quietness 3
- Certifications 4
- Sound configuration 4
- Versions 4
- Cabinet and structure 5
- Ecological hfc 134a refrigerant 5
- Electronic expansion valve 5
- Evaporator 5
- General characteristics 5
- Refrigerant circuit 5
- Screw compressors 5
- Control section main features 6
- Electrical control panel 6
- Safety device logic for each refrigerant circuit 6
- Chiller sequencing 7
- Digital sequencing panel 7
- Microtech iii 7
- Microtech iii remote control 7
- Regulation type 7
- Serial sequencing panel 7
- Supervising systems on request 7
- System security 7
- Options on request 8
- Standard accessories supplied on basic unit 8
- Nomenclature 9
- Technical specifications 10
- Ewld i ss 17
- Sound levels 17
- Sound pressure levels correction for different distances 17
- Ewld i ss 18
- Operating limits 18
- Table 1 evaporator minimum and maximum water 18
- Table 2 evaporator fouling factors 18
- Table 3 minimum glycol percentage for low air temperature 18
- Table 3 minimum glycol percentage for low water temperature 18
- How to use the correction factors proposed in the previous tables 19
- Table 4 correction factors for low evaporator leaving water temperature 19
- Table 5 correction factors for water and glycol mixture 19
- Water charge flow and quality 20
- Water content in cooling circuits 21
- Ewld i ss 22
- Notes 1 cc cooling capacity 2 pi unit power input 3 hr heat rejection 4 elwt evaporator leaving water temperature δt 5 c 5 data refers to 0 0176 m2 c kw evaporator fouling factor 22
- Standard ratings 22
- Notes 6 cc cooling capacity 7 pi unit power input 8 hr heat rejection 9 elwt evaporator leaving water temperature δt 5 c 10 data refers to 0 0176 m2 c kw evaporator fouling factor 23
- Notes 11 cc cooling capacity 12 pi unit power input 13 hr heat rejection 14 elwt evaporator leaving water temperature δt 5 c 15 data refers to 0 0176 m2 c kw evaporator fouling factor 24
- 91 l s 25
- Evaporator and condenser pressure drops 25
- Ewld i ss 25
- How to use the formula example evaporator 25
- Pd2 kpa pd1 kpa x where pd2 pressure drop to be determinated kpa pd1 pressure drop at nominal condition kpa q2 water flow at new working condition l s q1 water flow at nominal condition l s 25
- The unit ewld320i ss has been selected for working at the following conditions evaporator water in out 11 6 c saturated discharge temperature 40 c the cooling capacity at these working conditions is 333 kw the evaporator water flow at these working conditions is 15 1 l s the unit ewld320i ss at nominal working conditions has the following data evaporator water in out 12 7 c saturated discharge temperature 45 c the cooling capacity at these working conditions is 328 kw the evaporator water flow at these working conditions is 15 7 l s the evaporator pressure drop at these working conditions is 34 kpa the evaporator pressure drop at the selected working condition will be pd2 kpa 34 kpa x pd2 kpa 35 kpa note if the calculated evaporator water pressure drop is below 10 kpa or above 100 kpa please contact the factory for dedicated evaporator 25
- To determinate the evaporator or condenser pressure drop for different versions or at different working condition please refer to the following formula 25
- Dimensions 26
- Handling 29
- Installation notes 29
- Location 29
- Minimum clearance requirements for machine maintenance 29
- Minimum space requirements 29
- Warning 29
- Dimensions 30
- General 30
- Noise level and vibrations 30
- Performance 30
- Refrigerant 30
- Technical specification for water cooled screw chiller 30
- Unit description 30
- Chiller components 31
Похожие устройства
- Daikin EWLDС13I-SS Технические данные
- Daikin EWLDС13I-SS Инструкция по эксплуатации панели управления
- Daikin EWLDС13I-SS Инструкция по монтажу
- Daikin EWLDС14I-SS Брошюра
- Daikin EWLDС14I-SS Технические данные
- Daikin EWLDС14I-SS Инструкция по эксплуатации панели управления
- Daikin EWLDС14I-SS Инструкция по монтажу
- Daikin EWLDС15I-SS Технические данные
- Daikin EWLDС15I-SS Брошюра
- Daikin EWLDС15I-SS Инструкция по монтажу
- Daikin EWLDС15I-SS Инструкция по эксплуатации панели управления
- Daikin EWLDС16I-SS Технические данные
- Daikin EWLDС16I-SS Брошюра
- Daikin EWLDС16I-SS Инструкция по монтажу
- Daikin EWLDС16I-SS Инструкция по эксплуатации панели управления
- Daikin EWLDС17I-SS Технические данные
- Daikin EWLDС17I-SS Брошюра
- Daikin EWLDС17I-SS Инструкция по монтажу
- Daikin EWLDС17I-SS Инструкция по эксплуатации панели управления
- Daikin EWWD340I-SS Инструкция по эксплуатации панели управления