Airedale Ultima Compact FreeCool 30kW - 450kW - Manual (Page 23)

Chillers ULTIMA COMPACT FREECOOL
Chillers
23
Technical Manual : 6259576 V1.2.0_02__2013
Performance Data
CAPACITY DATA – FREE COOLING
Where ΔT refers to the difference between Return Water and Ambient Temperatures eg:

T @ 12/7°C Water Temperature: 5°C Ambient = 7°C
Example: UCFC150DSQ-4/1, water @ 10/15, 30°C Ambient, DX mechanical cooling 144.9kW
(refer to Capacity Data – DX Mechanical Cooling , on page 20).
UCFC125DSQ-4/1
UCFC150DSQ-4/1
Fre
e
Coo
li
n
g
(k
W)
25
50
75
100
125
3 4 5 6 7 8 9 10 11
16°C ΔT
6°C ΔT
8°C ΔT
10°C ΔT
12°C ΔT
14°C ΔT
Waterflow (l/s)
Flow =
144.9
= 7.43 l/s
5 x 3.9
Free Cooling Duty @ 5°C Ambient:

T = Return Water - Ambient
15°C
- 5°C
10°C

T
Free Cooling Duty = 79kW