8
AIR BLOWER
YORK Technical Guide Code 035T76009-000
8 - FAN SPEEDS
For ducted installations, check air flow and static
pressure against values shown in the following diagrams.
Insufficient air flow can cause operating problems such
as icing which may damage the compressor in the
outdoor unit.
Hi
150
125
100
75
50
25
250.00
450.00
FAN PERFORMANCE MA18 DRY COIL W/O FILTER 230/1/50
650.00
850.00
1050.00
1250.00
0
Me
Lo
A
v
ialab
le Ext.
Static (P
a)
Airflow (CMH)
Hi
250
200
150
100
50
0
500.00
1000.00
1500.00
2000.00
2500.00
Me
Lo
FAN PERFORMANCE MA35 DRY COIL W/O FILTER 230/1/50
A
v
ialab
le Ext.
Static (P
a)
Airflow (CMH)
Hi
200
150
100
50
0
400.00
800.00
1200.00
1600.00
2000.00
2400.00
2800.00
Me
Lo
FAN PERFORMANCE MA55 DRY COIL W/O FILTER 230/1/50
A
vialab
le Ext.
Static (P
a)
Airflow (CMH)
Hi
180
160
140
120
100
80
60
40
20
0
300.00
500.00
700.00
900.00
1100.00
1300.00
1500.00
Me
Lo
A
v
ialab
le Ext.
Static (P
a)
Airflow (CMH)
FAN PERFORMANCE MA25 DRY COIL W/O FILTER 230/1/50
Hi
Me
Lo
250
200
150
100
50
500,00
1000,00
FAN PERFORMANCE MA35 DRY COIL W/O FILTER 230/1/60
1500,00
2000,00
2500,00
0
A
vialab
le Ext.
Static (P
a)
Airflow (CMH)
Hi
Me
Lo
200
150
100
50
400.00
800.00
FAN PERFORMANCE MA45 DRY COIL W/O FILTER 230/1/50
1200.00
1600.00
2000.00
2400.00
0
A
v
ialab
le Ext.
Static (P
a)
Airflow (CMH)
Hi
Me
Lo
200
150
100
50
800.00
1200.00
FAN PERFORMANCE MA45 DRY COIL W/O FILTER 230/1/60
1600.00
2000.00
2400.00
2800.00
0
A
v
ialab
le Ext.
Static (P
a)
Airflow (CMH)
Hi
300
250
200
150
100
50
400.00
800.00
FAN PERFORMANCE MA55 DRY COIL W/O FILTER 230/1/60
1200.00
1600.00
2000.00
2400.00
2800.00
0
Me
Lo
A
vialab
le Ext.
Static (P
a)
Airflow (CMH)
02_MAL-MAM.p65
20/4/02, 09:43
8