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7.1.3 Energy recovery data
Reference conditions
Refer to
Effective working pressure
Refer to
Maximum permitted pressure of the heat exchanger
Oil side
Water side
Reading settings
The temperatures that follow can be shown on the controller display for air‑cooled
units:
▪
The water inlet temperature of the energy recovery system
▪
The water outlet temperature of the energy recovery system
Modifying settings
If the programmed warning settings for the water temperatures are exceeded, a warning
indication is shown on the controller.
Table 19 Modifying settings
Temperature input
Water inlet temperature of en-
ergy recovery
Water outlet temperature of
energy recovery
To change a setting, check the related section in the description of the controller.
Recoverable energy
The recoverable energy can be calculated from:
Recovered energy (kW) = 4.2 x water flow (l/s) x water temperature rise (°C)
Table 20 Data for low temperature rise/high water flow systems
Parameter
Recoverable energy
Water flow
6996022910_B
6996022910_B - Options
Reference condition and limitations
Vacuum pump data
on page 61 for the normal working pressure.
Unit
°C
°F
°C
°F
EOS 1300i
Unit
5 mbar
kW
22.9
hp
30.7
l/min
33
on page 60.
Minimum
Nominal setting
setting
0
32
0
Depends on application
32
Depends on application
EOS 1600i
400 mbar
5 mbar
15.3
26.9
20.5
36.1
22
39
Page 89
bar
psi
bar
psi
Maximum
50
122
EOS 1900i
400 mbar
5 mbar
18
31.2
24.1
41.8
26
45
09/2021 - ©Edwards Limited
15
217
10
145
setting
99
210
99
210
400 mbar
20.8
27.9
30
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