Carrier 50SS018-060 Installation, Start-Up And Service Instructions Manual page 37

Single-package cooling units
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Table 9 — Dry Coil Air Delivery* — Vertical Discharge (Deduct 10% for 208 v) — Unit 50SS
UNIT
MOTOR
SIZE
SPEED
Watts
Low
Cfm
018
Watts
High
Cfm
Watts
Low
Cfm
Watts
024
Med
Cfm
Watts
High
Cfm
Watts
Low
Cfm
Watts
030
Med
Cfm
Watts
High
Cfm
Watts
Low
Cfm
Watts
036
Med
Cfm
Watts
High
Cfm
Watts
Low
Cfm
042
Watts
High
Cfm
Watts
Low
Cfm
048
Watts
High
Cfm
Watts
Low
Cfm
060
Watts
High
Cfm
Table 10 — Dry-Coil Air Delivery* — Horizontal Discharge (Deduct 10% for 208 V) — Unit 50SX
UNIT
MOTOR
AIR
50SX
SPEED
DELIVERY
Watts
Low
Cfm
Watts
024,
Med
030
Cfm
Watts
High
Cfm
Watts
Low
Cfm
Watts
036
Med
Cfm
Watts
High
Cfm
Watts
Low
Cfm
Watts
042
Med
Cfm
Watts
High
Cfm
Watts
Low
Cfm
048†
Watts
High
Cfm
LEGEND AND NOTES FOR TABLES 9 AND 10
*Air delivery values are based on operating voltage of 230 v or
460 v, dry coil, without filter or electric heater. Deduct wet coil, filter,
and electric heater pressure drops to obtain external static pressure
available for ducting.
†Size 048 is 460 v.
0.0
0.1
0.2
230
225
220
760
745
725
280
275
265
820
810
755
365
360
350
1025
1010
975
490
1300
1255
460
450
1240
1190
1125
1280
470
460
455
1280
1250
1230
1200
550
535
520
1500
1450
1400
1330
730
700
680
1620
1590
1550
1510
1080
1040
1020
2100
2090
2080
2060
1230
1190
1125
1060
2390
2340
2280
2210
890
850
810
2500
2410
2330
2260
1000
2480
0.0
0.1
0.2
280
275
265
820
810
755
365
360
350
1025
1010
975
490
1300
520
495
474
1375
1335
1290
575
560
535
1520
1490
1450
490
480
470
1400
1380
1340
590
580
560
1600
1560
1540
1050
1000
970
1850
1830
1800
230 AND 460 V VERTICAL DISCHARGE
External Static Pressure (in. wg)
0.3
0.4
0.5
0.6
210
195
170
695
640
540
270
235
850
700
255
250
245
700
660
600
345
340
330
940
900
850
480
470
460
1200
1150
1080
420
400
380
1060
995
480
460
435
1200
1115
1020
560
1270
1180
445
430
415
1150
1100
1050
500
480
460
1270
1190
1120
625
595
1540
1440
1325
645
615
580
1460
1390
1310
850
1780
1670
970
910
840
1980
1900
1810
1010
940
2150
2030
1900
780
740
710
2170
2080
1970
960
910
2370
2250
2120
230 AND 460 VOLT HORIZONTAL DISCHARGE
External Static Pressure (in. wg)
0.3
0.4
0.5
255
250
245
700
660
600
345
340
330
940
900
850
480
470
460
1255
1200
1150
458
445
425
1240
1200
1140
510
480
460
1400
1380
1300
650
614
1560
1500
460
450
430
1300
1250
1200
545
525
505
1470
1430
1360
700
1780
930
870
810
1785
1750
1700
1050
1000
930
2000
1940
1850
NOTES:
1. Do not operate the unit at a cooling airflow that is less than
350 cfm for each 12,000 Btuh of rated cooling capacity. Evaporator-
coil frosting may occur at airflows below this point.
2. Dashes indicate portions of the table that are beyond the blower
motor capacity or are not recommended.
37
0.7
0.8
0.9
200
450
240
560
320
310
300
800
720
630
445
430
410
390
1005
915
790
360
335
920
840
410
375
910
530
510
490
460
1080
1000
870
400
380
350
980
890
440
410
385
1030
940
550
520
500
470
1220
1110
1000
535
490
430
1210
1050
800
750
700
650
1550
1400
1230
785
730
680
620
1710
1590
1450
880
820
760
710
1770
1630
1480
660
630
580
1860
1700
870
830
790
750
2000
1850
1690
0.6
0.7
0.8
240
560
320
310
300
800
720
630
445
430
410
1080
1005
915
440
425
1200
1080
575
540
510
1380
1280
1170
1060
410
390
1140
1070
480
450
420
1300
1220
1120
670
640
600
1670
1600
1480
1340
750
680
600
1640
1500
1330
870
810
740
1750
1635
1500
1300
1.0
380
620
425
800
610
1050
540
1200
660
1300
0.9
1.0
390
380
790
620
480
560
500
1100
665

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