100
RT-SVX063E-EN
Relief Fan Curves
Please see notes below for all supply fan curves. For
additional information or support, contact your local
Trane sales office or Trane representative.
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ntt::
1. Shaded area represents selectable area.
Contact your local Trane representative
for more information.
2. Relief fan performance curve includes
internal resistance of rooftop. To
determine total static pressure, add
return static pressure and relief damper
pressure drop.
3. EC motors are not offered in integral
horsepower increments. All fans will be
offered with nominal motor power
rated to cover the operating envelope of
the fan. Power limitation is indicated on
fan map.
Figure 54.
20 to 25 ton, 6 hp relief fan, single fan
1900 RPM
1800 RPM
1700 RPM
1600 RPM
1500 RPM
1400 RPM
1300 RPM
1200 RPM
1100 RPM
1000 RPM
900 RPM
1980 RPM
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
S
t
a
!
c
P
r
e
s
s
u
r
e
,
In
c
h
e
s
w
.c
.
Airflow, CFM
Figure 55.
20 ton, 8 hp relief fan, single fan
2000 RPM
1900 RPM
1800 RPM
1700 RPM
1600 RPM
1500 RPM
1400 RPM
1300 RPM
1200 RPM
1100 RPM
900 RPM
1000 RPM
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
S
t
a
!
c
P
r
e
s
s
u
r
e
,
In
c
h
e
s
w
.c
.
Airflow, CFM
Figure 56.
30 ton, 12 hp relief fan, two-fan array
1980 RPM
1900 RPM
1800 RPM
1700 RPM
1600 RPM
1500 RPM
1400 RPM
1300 RPM
1200 RPM
1100 RPM
1000 RPM
900 RPM
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
13000
14000
15000
S
t
a
!
c
P
r
e
s
s
u
r
e
,
In
c
h
e
s
w
.c
.
Airflow, CFM
Figure 57.
25, 30 and 40 ton, 8 hp relief fan, single fan
1800 RPM
1700 RPM
1600 RPM
1500 RPM
1400 RPM
1300 RPM
1200 RPM
1100 RPM
1000 RPM
900 RPM
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
11000
12000
S
t
a
!
c
P
r
e
s
s
u
r
e
,
In
c
h
e
s
w
.c
.
Airflow, CFM
Figure 58.
40 ton, 15 hp relief fan, two-fan array
2000 RPM
1800 RPM
1700 RPM
1600 RPM
1500 RPM
1400 RPM
1300 RPM
1200 RPM
1100 RPM
1000 RPM
900 RPM
1900 RPM
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
1000
2000
3000
4000
5000
6000
7000
8000
9000 10000 11000 12000 13000 14000 15000 16000 17000 18000 19000 20000
S
t
a
!
c
P
r
e
s
s
u
r
e
,
In
c
h
e
s
w
.c
.
Airflow, CFM
P
Pe
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orrm
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an
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