references
Air-to-water heat exchange coils
BSH
QUICK
90 80 Heating capacity in kW 60 50 40 30 20
20°C air inlet temperature - Water: 90/70°C
SELECTION Heating capacities
10 8 6 5 4 3 500 600 800 1000 1500 2000 3000 4000 5000 6000 8000 10000 Air flow (m3/h)
Multiplying conditions
factors
for
other
operating
0 115 / 75 90 / 70 80 / 60 45 / 37 1,99 1,58 1,31 0,55 1,89 1,50 1,25 0,53 1,79 1,42 1,18 0,50 1,69 1,34 1,11 0,47 5 1,58 1,25 1,04 0,44 10 1,47 1,17 0,97 0,41 15 1,36 1,08 0,90 0,38 20 1,26 1 0,83 0,35
The water flow rate corresponding to the calculated capacity must not be higher than the maximum value given in the table of water pressure drops for the specified type of coil.
Air pressure drop
Air flow resistance in Pa
Water pressure drop
Air flow in m3/h
Water pressure drop in kPa
Water flow rate in m3/h
320
HEAT PUMPS - AIR CONDITIONING - COOLING - AIR HANDLING - HEAT EXCHANGE - NA 17.01 A