Capacity Data - Free Cooling - AIREDALE LogiCool LCC20 Technical Manual

LOGICOOL™
Performance Data

CAPACITY DATA - FREE COOLING

Example
Calculate Waterflow l/s
Select Free Cooling Curve
Free Cooling (kW)
All performance data is supplied in accordance with BS EN 14511-1:2013
Chillers
20
Technical Manual : 6521355 V1.14.0 11/2016
Determine the Free Cooling capacity as follows using the graphs provided:
Model Ref.
Ambient:
Fluid
Inlet Fluid Temp.
Outlet Fluid Temp.
Customer Permanent Head Load
Flow =
Flow =
Flow =
ΔTFC (°C)=
Return Water Temp - Ambient Temp
ΔTFC (°C)=
ΔTFC (°C)=
As plotted on graph =
Where:
Output = (kW) Cooling Duty, Output kW, refer to
on page 19
ΔT
= (°C) Difference of Entering Water and Leaving Water temperature
ΔTFC = (°C)
Difference of Leaving Water temperature and Ambient temperature
= LCC40
= 35°C
= 20% Ethylene Glycol
= 7°C

= 12°C (5°C T)
= 20 kW
Output
3.9 x ΔT
33.7
3.9 x 5
1.73 l/s
15 - 5
10°C
30kW
Capacity Data - DX (Mechanical)
Chillers
Cooling,