Carrier WEATHERMASTER 48/50Z030-105 User Manual
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Table 28 — High-Capacity Power Exhaust Systems Motor Limitations (48ZT,ZW and 50ZT,ZW,ZX,ZZ Units)
LEGEND
NOTES:
1. Extensive motor and electrical testing on the Carrier units has ensured that the full
horsepower range of the motor can be utilized with confidence. Using your fan
motors up to the horsepower ratings shown in the Motor Limitations table will not
result in nuisance tripping or premature motor failure. Unit warranty will not be
affected.
2. All motors comply with Energy Policy Act (EPACT) Standards effective October 24,
1997.
Table 29 — Unit Design Airflow Limit
LEGEND
HIGH-EFFICIENCY MOTORS
Nominal
HP
BkW
Max Bhp
Max
BkW
Max Amps (ea)
Rated
Efficiency
460 V
575 V
20
14.9
23.6
17.6
14.6
12.0
89.5
30
22.4
36.0
26.9
21.9
19.0
91.0
40
29.8
46.8
34.9
28.7
23.0
91.0
50
37.3
58.8
43.9
37.4
31.0
91.7
60
44.8
69.0
51.5
48.0
47.0
92.4
PREMIUM-EFFICIENCY MOTORS
Nominal
HP
BkW
Max Bhp
Max
BkW
Max Amps (ea)
Rated
Efficiency
460 V
575 V
20
14.9
23.6
17.6
15.0
N/A
91.7
30
22.4
36.0
26.9
21.9
N/A
93.0
40
29.8
46.8
34.9
28.7
N/A
93.6
50
37.3
58.8
43.9
36.3
N/A
93.6
60
44.8
69.0
51.5
41.7
N/A
93.6
Bhp — Brake Horsepower
BkW — Brake Kilowatts
UNIT SIZE
UNIT TYPE
MINIMUM COOLING CFM
MAXIMUM CFM
030
48ZG,ZN Low Heat
6,000
15,000
48ZG,ZN High Heat
6,000
15,000
50ZG,ZN,Z2,Z3
6,000
15,000
035
48ZG,ZN Low Heat
7,000
15,000
48ZG,ZN High Heat
7,000
15,000
50ZG,ZN,Z2,Z3
7,000
15,000
040
48ZG,ZN Low Heat
8,000
20,000
48ZG,ZN High Heat
8,000
20,000
50ZG,ZN,Z2,Z3
8,000
20,000
050
48ZG,ZN Low Heat
9,000
20,000
48ZG,ZN High Heat
9,000
19,500
50ZG,ZN,Z2,Z3
9,000
20,000
055
48ZG,ZN Low Heat
10,000
25,000
48ZG,ZN High Heat
10,000
25,000
50ZG,ZN,Z2,Z3
10,000
25,000
060
48ZG,ZN Low Heat
12,000
30,000
48ZG,ZN High Heat
12,000
30,000
50ZG,ZN,Z2,Z3
12,000
30,000
070
48ZG,ZN Low Heat
14,000
30,000
48ZG,ZN High Heat
14,000
30,000
50ZG,ZN,Z2,Z3
14,000
30,000
075
48ZG,ZN,ZT,ZW,Z6,Z8 Low Heat
15,000
30,000
48ZG,ZN,ZT,ZW,Z6,Z8 High Heat
15,000 (VAV) 22,000 (CV)
30,000
50ZG,ZN,ZT,ZW,ZX,ZZ,Z2,Z3,Z6,Z7,Z8,Z9
15,000 (VAV) 22,000 (CV)
30,000
090
48ZG,ZN,ZT,ZW,Z6,Z8 Low Heat
17,000 (VAV) 22,000 (CV)
34,000
48ZG,ZN,ZT,ZW,Z6,Z8 High Heat
17,000 (VAV) 26,000 (CV)
34,000
50ZG,ZN,ZT,ZW,ZX,ZZ,Z2,Z3,Z6,Z7,Z8,Z9
17,000 (VAV) 26,000 (CV)
34,000
105
48ZG,ZN,ZT,ZW,Z6,Z8 Low Heat
20,000 (VAV) 30,000 (CV)
44,000
48ZG,ZN,ZT,ZW,Z6,Z8 High Heat
20,000 (VAV) 30,000 (CV)
36,500
50ZG,ZN,ZT,ZW,ZX,ZZ,Z2,Z3,Z6,Z7,Z8,Z9
20,000 (VAV) 30,000 (CV)
44,000
CV — Constant Volume
VAV — Variable Air Volume