SYSHRW Engineering Data Manual (EDM HRW S 4GB)

SYSHRW
15
Air Flow Data (continued)
Airow Correction Factors
SYSHRW 096
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 5200 5400 5600 5800 6000
6200
0
1
2
3
Air flow (m
3
/h)
Available pressure (Pa)
Ductwork curve
SYSHRW 120
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
3600 4100 4600 5100 5600 6100 6600 7100 7600 8100 8600
0
1
2
3
Air flow (m
3
/h)
Available pressure (Pa)
Ductwork curve
0 : Pulley closed
1 : Pulley opened 1 turn
2 : Pulley opened 2 turns
3 : Pulley opened 3 turns
0 : Pulley closed
1 : Pulley opened 1 turn
2 : Pulley opened 2 turns
3 : Pulley opened 3 turns
Percent of nominal airow
85 90 95 100 105 110 115
Total cooling capacity 0.972 0.982 0.993 1.00 1.007 1.010 1.013
Sensible cooling capacity 0.926 0.948 0.974 1.00 1.027 1.055 1.066
Power input - Cooling 0.977 0.984 0.993 1.00 1.011 1.018 1.028
Heating capacity 0.967 0.978 0.990 1.00 1.009 1.017 1.024
Power input - Heating 1.009 1.006 1.003 1.00 0.997 0.995 0.993