104
RT-SVX063E-EN
Table
54.
Component
static
pressure
drops
(in.
H
2
O)
(continued)
Tons
CFM
Std
Evap
Coil
HGRH
Heating
System
Filters
Economizer
Standard
High
Efficien-
cy
Variable
Gas
Electric
Pre
Evap
Panel
Pre
Evap
Cart
Final
Cart
Re-
turn
Air
Out-
side
Air
W/
O
Traq
Out-
side
Air
W/
Traq
Dry
Wet
Dry
Wet
Dry
Wet
250
MBh
350
MBh
500
MBh
850
MBh
1200
MBh
All
kW
2"
Merv
4
2"
Merv
8
4"
Merv
8
4"
Merv
14
70
14000
0.35
0.38
0.21
0.24
0.21
0.24
0.03
0.48
0.61
0.55
0.23
0.07
0.13
0.11
0.33
0.29
0.33
0.20
0.22
0.22
17200
0.46
0.53
0.27
0.33
0.26
0.33
0.04
0.73
0.92
0.82
0.35
0.10
0.19
0.17
0.50
0.45
0.50
0.29
0.33
0.33
20400
0.54
1.44
0.30
0.43
0.32
0.43
0.05
1.03
1.30
1.16
0.49
0.14
0.27
0.24
0.70
0.63
0.71
0.41
0.46
0.46
23600
0.69
0.88
0.38
0.54
0.38
0.54
0.07
1.37
1.74
1.55
0.65
0.19
0.36
0.32
0.94
0.84
0.95
0.55
0.61
0.61
26800
0.85
1.07
0.48
0.66
0.48
0.66
0.09
1.77
2.24
2.00
0.84
0.25
0.46
0.41
1.21
1.08
1.22
0.72
0.79
0.79
30000
1.02
1.26
0.57
0.78
0.57
0.78
0.12
2.22
2.81
2.50
1.06
0.31
0.58
0.51
1.52
1.35
1.53
0.90
0.99
0.99
75
15000
0.47
0.51
0.24
0.26
0.24
0.26
0.03
0.56
0.70
0.63
0.26
0.08
0.14
0.13
0.38
0.34
0.38
0.22
0.25
0.25
18000
0.58
0.00
0.29
0.35
0.28
0.35
0.04
0.80
1.01
0.90
0.38
0.11
0.21
0.18
0.55
0.49
0.55
0.32
0.36
0.36
21000
0.68
0.88
0.32
0.45
0.34
0.45
0.06
1.09
1.38
1.23
0.52
0.15
0.28
0.25
0.74
0.66
0.75
0.44
0.49
0.49
24000
0.85
1.08
0.39
0.55
0.39
0.55
0.08
1.42
1.80
1.60
0.68
0.20
0.37
0.33
0.97
0.87
0.98
0.57
0.63
0.63
27000
1.03
1.29
0.48
0.67
0.48
0.67
0.10
1.80
2.28
2.03
0.86
0.25
0.47
0.41
1.23
1.10
1.24
0.73
0.80
0.80
30000
1.22
1.51
0.57
0.79
0.57
0.79
0.12
2.22
2.81
2.50
1.06
0.31
0.58
0.51
1.52
1.35
1.53
0.90
0.99
0.99
Notes:
1
.
Static
pressure
drops
of
accessory
components
must
be
added
to
determine
total
static
pressure
for
fan
selections.
2
.
Gas
heat
section
maximum
temperature
rise
of
60°F
.
3
.
Economizer
static
pressure
value
for
sizing
supply
fan
is
the
highest
of
the
following:
a)
R
eturn
air
static
pressure
drop
plus
customer
return
duct
static
pressure
and
b)
Outside
air
static
pressure
drop.
P
Pe
errffo
orrm
ma
an
ncce
e D
Da
atta
a
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