Carrier WEATHER MASTER 48P2 - Manual (Page 6)

6
Table 1C — Physical Data 48P2,P3,P4,P5075-100
LEGEND *See Table 3 — High-Capacity Power Exhaust Data for more information. See
Table 7 — Power Exhaust Fan Drive Data on page 9 for more information.
BASE UNIT 48P2,P3,P4,P5075 48P2,P3,P4,P5090 48P2,P3,P4,P5100
NOMINAL CAPACITY (tons) 75 90 100
OPERATING WEIGHT (lb) Standard
Chassis
Extended
Chassis
Standard
Chassis
Extended
Chassis
Standard
Chassis
Extended
Chassis
Base Unit
Low Heat 9065 9615 9665 10,215 9685 10,235
High Heat 9195 9745 9795 10,345 9815 10,365
With Economizer
Low Heat 9595 10,145 10,195 10,745 10,215 10,765
High Heat 9725 10,275 10,325 10,875 10,345 10,895
COMPRESSORS Scroll
Quantity...Type 2...ZP82/2...ZP182 3...ZP154,3...ZP154 3...ZP154,3...ZP182
Oil Charge (oz) per Compressor 110 110 110
Number of Refrigerant Circuits 2 2 2
REFRIGERANT R-410A
Operating Charge (lb), Ckt 1/Ckt 2
Standard Evaporator Coil 43.8/45.0 50.4/51.3 50.8/52.8
Standard Evaporator with Humidi-MiZer® 43.8/57.4 50.4/69.1 50.8/70.6
Alternate High-Capacity Evaporator Coil 55.1/54.9 61.5/62.9 59.3/62.8
Alternate High-Capacity Evaporator with
Humidi-MiZer 55.1/67.3 61.5/80.7 59.3/80.6
CONDENSER COILS Aluminum Novation® Heat Exchanger with Microchannel Coils
Quantity 4 6 6
Total Face Area (sq ft) 106.7 160.0 160.0
EVAPORATOR COILS
Quantity 2
Total Face Area (sq ft) 61.5
Refrigerant Feed Device...No. per Circuit TXV...2
Standard Evaporator Coils
Rows...Fins/in. 4...15 4...15 4...15
Fin Type Double Wavy Double Wavy Double Wavy
Tube Type Cross Hatched Cross Hatched Cross Hatched
Alternate, High-Capacity Evaporator Coils
Rows...Fins/in. 6...16 6...16 6...16
Fin Type Double Wavy Double Wavy Double Wavy
Tube Type Cross Hatched Cross Hatched Cross Hatched
HEATING SECTION Low Heat High Heat Low Heat High Heat Low Heat High Heat
Number of Heat Exchangers 2 3 2 3 2 3
Input (MBtuh) 650 975 650 975 650 975
Output (MBtuh) (Vertical/Horizontal) 527/520 790/780 527/520 790/780 527/520 790/780
Temperature Rise Range (F) 10-40 20-50 10-40 20-50 10-40 20-50
Efficiency (%) (Vertical/Horizontal) 81/80 81/80 81/80 81/80 81/80 81/80
Burner Orifice Diameter
Quantity (in. ...drill no.) 7 (.1285...30) 7 (.1285...30) 7 (.1285...30) 7 (.1285...30) 7 (.1285...30) 7 (.1285...30)
Manifold Pressure (in. wg) 3.5 3.5 3.5 3.5 3.5 3.5
Line Pressure (in. wg) (Min...Max) 5.0...13.0 5.0...13.0 5.0...13.0 5.0...13.0 5.0...13.0 5.0...13.0
Number of Gas Valves 2 3 2 3 2 3
CONDENSER FAN Propeller Type
Quantity...Diameter (in.) 4...30 6...30 6...30
Nominal Cfm 39,000 58,000 58,000
Motor Hp (ea)...rpm 1.0...1140 1.0...1140 1.0...1140
STANDARD SUPPLY FAN Forward Curved Centrifugal 36 x 30 in.
Nominal Cfm 24,500 29,750 35,000
Maximum Allowable Cfm 30,000 34,000 40,000
Maximum Allowable Rpm 680 680 680
Shaft Diameter at Pulley (in.) 1 11 /
16
1 11 /
16
1 11 /
16
STANDARD SUPPLY-FAN MOTOR AND DRIVE (Any motor available on any unit)
Motor Hp 30 40 50 60
Motor Frame Size S268T S324T S36T S364T
Efficiency at Full Load (%)
High Efficiency 92.4 93.0 93.0 93.6
Premium Efficiency 93.6 94.5 94.5 95.4
Fan Pulley Pitch Diameter (in.) 18.5 18.5 18.5 18.5
Motor Pulley Pitch Diameter (in.) 5.3 5.7 6.5 7.1
Resulting Fan Rpm 501 539 615 672
Belts Quantity...Type 3...5VX1320 4...5VX1320 4...5VX1320 4...5VX1320
Center Distance Range (in.) 47.88-45.01 47.64-44.76 47.42-44.52 47.42-44.52
ALTERNATE, AIRFOIL FAN Airfoil
Nominal Airflow (cfm) 24,500 29,750 35,000
Maximum Allowable Airflow (cfm) 30,000 34,000 40,000
Maximum Allowable Wheel Speed (rpm) 1846 1846 1846
Shaft Diameter at Pulley (in.) 2 11 /
16
2 11 /
16
2 11 /
16
ALTERNATE SUPPLY-FAN MOTOR AND DRIVE (Any motor available on any unit)
Motor Hp 30 40 50 60 75
Motor Frame Size S268T S324T S36T S364T 365T
Efficiency at Full Load (%)
High Efficiency 92.4 93.0 93.0 93.6 94.1
Premium Efficiency 93.6 94.5 94.5 95.4 95.4
Fan Pulley Pitch Diameter (in.) 9.7 10.2 8.9 8.9 10.8
Motor Pulley Pitch Diameter (in.) 7.5 8.7 8.1 8.7 11.1
Resulting Fan Rpm 1353 1493 1593 1711 1799
Belts Quantity...Type 2...5VX1150 2...5VX1180 3...5VX1150 3...5VX1150 3...5VX1230
Center Distance Range (in.) 42.96...45.82 42.96...45.57 42.96...45.57 42.45...45.35 42.45...45.35
MBtuh — Btuh in Thousands
TXV
— Thermostatic Expansion Valve