Carrier 48TC series - Horizontal Application

57
ECONOMIZER, BAROMETRI C RELI EF AND PE PERFORMANCE (cont.)
Horizontal Application
0
500
1000
1500
2000
2500
3000
0.0 0.1 0.2
RETURN AIRFLOW (CFM)
RETURN DUCT STATIC PRESSURE DROP (in. wg)
HORIZONTAL ECONOMIZER
3 - 6 TON
C11239
Fig. 22 -- Return Air Pressure Drop
0
1000
2000
3000
4000
5000
6000
0.0 0.1 0.2 0.3 0.4 0.5 0.6
RETURN AIRFLOW (CFM)
HORIZONTAL ECONOMIZER
RETURN DUCT STATIC PRESSURE DROP (in. wg)
7.5 - 12.5 TON
C11241
Fig. 23 -- Return Air Pressure Drop
2,800
3,300
3,800
4,300
4,800
5,300
5,800
6,300
6,800
7,300
0.05 0.15 0.25 0.35 0.45
RETURN AIRLOW (CFM)
RETURN DUCT STATIC PRESSURE DROP (in. wg)
HORIZONTAL ECONOMIZER STATIC PRESSURE ADDER
C11258
Fig. 24 -- Return Air Pressure Drop--Horizontal 15 Ton
0
500
1000
1500
2000
2500
0 0.05 0.1 0.15 0.2 0.25 0.3
RETURN DUCT STATIC PRES SURE (in. wg)
RELIEF FLOW (CFM)
3 -6 Ton
7½ - 12½ Ton
Horizontal Economizers
C08070
Fig. 25 -- Barometric Relief Flow Capacity
0
500
1000
1500
2000
2500
0 0.05 0.1 0.15 0.2 0.25 0.3
RELIEF FLOW (CFM)
RETURN DUCT STATIC PRESSURE (in. wg)
15 -Ton
Horizontal Economizers
C101120
Fig. 26 -- Barometric Relief Flow-- Horizontal 15 Ton
0
500
1000
1500
2000
2500
0 0.1 0.2 0.3 0.4 0.5
EXHAUST AIRFLOW
(cfm)
RETURN DUCT STATIC PRESSURE (in. wg)
Horizontal Power Exhaust
3 - 15 TON
C08012
Fig. 27 -- Horizontal Power Exhaust Performance