Airwell VLC 604 [5/24] Operating limits and correction factors
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Airwell VLC 604 [5/24] Operating limits and correction factors

Airwell VLC 604 [5/24] Operating limits and correction factors
Page 5
Operating Limits and Correction Factors
Operating limits - VLC 524 to 804
Operating limits - VLC 904 to 1204
(1) High pressure switch at 42 bar.
(2) Voltage : 400 V ± 10 %
VLC
904 1004 1104 1204
Min. Max. Min. Max. Min. Max. Min. Max.
Evaporating temperature °C +3 to +15
Ambient
air
Air entering
temperature
Cooling - BLN °C +0 to +47 (1) +0 to +46 (1) +0 to +45 (1) +0 to +45 (1)
Cooling - LN/ELN °C +0 to +45 (1) +0 to +44 (1) +0 to +42 (1) +0 to +42 (1)
Cooling - HT °C -18 to +49 (1) -18 to +48 (1) -18 to +47 (1) -18 to +47 (1)
External
static
pressure
Standard fans Pa 0
Special inverter fans Pa ≤120
Power
supply voltage (2) 400 V / 3 Ph / 50 Hz (nominal)
VLC
524 604 704 804
Min. Max. Min. Max. Min. Max. Min. Max.
Evaporating temperature °C +3 to +15
Ambient
air
Air entering
temperature
Cooling - BLN °C +0 to +46 (1) -5 to +47 (1) -5 to +47 (1) +0 to +46 (1)
Cooling - LN/ELN °C +0 to +44 (1) -5 to +45 (1) -5 to +45 (1) +0 to +44 (1)
Cooling - HT °C -18 to +48 (1) -18 to +49 (1) -18 to +49 (1) -18 to +48 (1)
External
static
pressure
Standard fans Pa 0
Special inverter fans Pa ≤120
Power
supply voltage (2) 400 V / 3 Ph / 50 Hz (nominal)
(1) High pressure switch at 42 bar.
(2) Voltage : 400 V ± 10 %
Fouling factors
CONDENSER
Fouling factor
(m
2
.°C/kW)
Cooling capacity
factor
Power input
factor
0.044 1.000 1.000
0.088 0.987 1.023
0.176 0.955 1.068
0.352 0.910 1.135
Altitude (m) Cooling capacity factor Power input factor
0 1.000 1.000
600 0.987 1.010
1200 0.973 1.020
1800 0.958 1.029
2400 0.943 1.038
Altitude factors

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