Airedale SmartCool 11-233kW - Manual (Page 140)

SmartCool
TM
- D Precision Air Conditioning
140
Precision Air Conditioning
Installation, Maintenance and Commissioning Manual :6877419 02/2013
Free Cooling Coil
0
100
200
300
400
500
600
700
800
0.0 1.0 2.0 3.0 4.0 5.0 6.0
Water Flow Rate (l/s)
P
re
ss
u
re
D
rop
(
kP
a)
1
2
3
4
5
Key
1 SC19D033 2 SC19D038 – 045, SC25D045 3 SC19D064 - 075, SC25D050 – 080
4 SC31D055 – 065 5 SC31D075 083
(1) Includes coil, 3 port valve and pipework.
(2) To calculate 3 port valve pressure drop:
DP valve =
2
ч
ш
ц
з
и
ж
M
Q
where DP = Pressure Drop in kPa, Q = Water Flow Rate in l/s and M = ч
ш
ц
з
и
ж
36
Kv
(3) Fluid 100% water.
M Values
Model Sizes SC19D33 SC19D038- D045 SC25D45 SC19D064-D075 SC25D050-D055 SC31D55-65 SC31D075 –D083
Chilled Water Valve 1.11 1.11 1.11 1.75 1.75 1.75 1.75
W2
F0