Economizer, barometric relief and pe performance, 548j, Fig. 9 -- barometric relief flow capacity – Bryant PACKAGED HEAT PUMP 548J User Manual
Page 46: Fig. 10 -- outdoor air damper leakage, Fig. 11 -- return air pressure drop, Fig. 12 -- horizontal power exhaust performance, Fig. 13 -- barometric relief flow capacity, Fig. 14 -- outdoor air damper leakage, Fig. 15 -- return air pressure drop, Fig. 16 -- power exhaust performance
46
ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE
0
500
1000
1500
2000
2500
0
0.05
0.1
0.15
0.2
0.25
0.3
RETURN DUCT STATIC PRESS URE (in. wg)
RE
L
IE
F
F
L
O
W
(CF
M
)
3-6 Ton
7.5-8.5 Ton
Horizontal Economizers
C09028
Fig. 9 -- Barometric Relief Flow Capacity
0
5
10
15
20
25
30
0.00
0.10
0.20
0.30
0.40
0.50
STATIC PRESS URE DELTA (in. wg)
LE
A
K
A
G
E
ACR
O
SS
DA
M
P
E
R
(C
FM
)
3 - 6 Ton
7.5 - 8.5 Ton
Horizontal Economizers
C09029
Fig. 10 -- Outdoor Air Damper Leakage
0
1000
2000
3000
4000
5000
6000
0
0.1
0.2
0.3
0.4
RETURN DUCT STATIC PRESS URE DROP (in. wg)
RE
T
U
R
N
AI
R F
L
O
W
(CF
M
)
3 - 6 Ton
7.5 - 8.5 Ton
Horizontal Economizers
C09030
Fig. 11 -- Return Air Pressure Drop
0
1000
2000
3000
4000
5000
0
0.1
0.2
0.3
0.4
0.5
2- 6
7. 5- 8.5 Ton
RETURN DUCT STATIC PRESSURE (in. wg)
EXHAUST
AIRFLOW (cfm)
Vertical Power Exhaust
Ton
C08012
Fig. 12 -- Horizontal Power Exhaust Performance
0
500
1000
1500
2000
2500
0
0.05
0.1
0.15
0.2
0.25
0.3
RETURN DUCT STATIC PRESS URE (in. wg)
R
E
L
IE
F
FL
O
W
(C
FM
)
3 - 6 Ton
7.5 - 8.5 Ton
Vertical Economizers
C09031
Fig. 13 -- Barometric Relief Flow Capacity
0
5
10
15
20
25
30
0.00
0.10
0.20
0.30
0.40
0.50
STATIC PRESS URE DELTA (in. wg)
LE
AKA
G
E
ACR
O
S
S
DA
M
P
E
R
(
C
FM
)
3 - 6 Ton
7.5 - 8.5 Ton
Vertical Economizers
C09032
Fig. 14 -- Outdoor Air Damper Leakage
0
1000
2000
3000
4000
5000
6000
0
0.1
0.2
0.3
0.4
RETURN DUCT STATIC PRESS URE DROP (in. wg)
RE
T
U
R
N
AI
R F
L
O
W
(CF
M
)
3 - 6 Ton
7.5 - 8.5 Ton
Vertical Economizers
C09033
Fig. 15 -- Return Air Pressure Drop
0
1000
2000
3000
4000
5000
0
0.1
0.2
0.3
0.4
0.5
2- 6 Ton
7. 5- 12 .5 Ton
RETURN DUCT STATIC PRESSURE (in. wg)
EXHAUST
AIRFLOW (cfm)
C09034
Fig. 16 -- Power Exhaust Performance
548J