Te
ch
nic
al
Chillers
DeltaChill™ Air Cooled and FreeCool
235
Chiller Technical Manual 7267818 V1.13.0_01_2018
Pump Performance Curves
0
50
100
150
200
250
300
350
400
0
10
20
30
40
50
60
70
80
Flow rate l/s
Pu
m
p H
ead
A
val
iab
le K
pa
7
8
9
10
7
10
9
8
Glycol in System /
Freezing Point ºC
10% / -4°C
20% / -9°C
30% / -15°C
40% / -23°C
Cooling Duty
Catalogue
Data x by:
0.98
0.97
0.95
0.93
Input Power
0.99
0.98
0.96
0.95
Water Flow
0.99
1.02
1.04
1.07
Pressure Drop
1.05
1.20
1.38
1.57
Glycol in System /
Freezing Point ºC
10% / -2°C
20% / -6°C
30% / -12°C
40% / -20°C
Cooling Duty
Catalogue
Data x by:
0.97
0.95
0.91
0.88
Input Power
0.99
0.98
0.96
0.95
Water Flow
0.98
0.97
0.95
0.95
Pressure Drop
1.08
1.17
1.31
1.45
Correction Factors
Ethylene Glycol
Propylene Glycol
Pump Curves based upon water
