Waterside pressure drops, Ultima compact freecool chillers, Performance data – Airedale Ultima Compact FreeCool 30kW - 450kW User Manual
Page 32
ULTIMA COMPACT FREECOOL
Chillers
32
Chillers
Technical Manual : 6259576 V1.2.0_02__2013
Performance Data
WATERSIDE PRESSURE DROPS
(20% Ethylene Glycol Concentration)
CAUTION
Full design water flow MUST be maintained at all times. Variable water volume is
NOT recommended and will invalidate warranty.
Use the formula below to calculate the External Head Available:
Total Pump Head Available
-
Chiller Pressure Drop
=
External Head Available
Example: UCFC125D-3/1 6.12 l/s, standard single pump:
265 kPa
-
112 kPa
=
153 kPa
UCFC75 - UCFC125
Wa
te
rsi
d
e
Pre
s
s
ure
Drop
(k
Pa
)
Waterflow (l/s)
UCFC150
Wa
te
rsi
d
e
Pre
s
s
ure
Drop
(k
Pa
)
0
50
100
150
200
250
300
350
3
4
5
6
7
8
9
10
11
12
150D/DQ/DSQ
Waterflow (l/s)
1
Chiller pressure drop refers to standard unit only. For pump options, please contact Airedale.
2
For glycol solutions, please refer to
0
50
100
150
200
250
300
350
1
2
3
4
5
6
7
8
9
10
75D/DQ/DSQ
100D
125D/DQ/DSQ
100DQ/DSQ