Carrier WEATHER MASTER 48P2 - Manual (Page 4)

4
Table 1A — Physical Data 48P2,P3,P4,P5030-050 (cont)
LEGEND
* 460-3-60 only.
†See Table 7 — Power Exhaust Fan Drive Data on page 9 for more information.
BASE UNIT 48P2,P3,P4,P5040 48P2,P3,P4,P5050
NOMINAL CAPACITY (tons) 40 50
OPERATING WEIGHT (lb) Standard Chassis Extended Chassis Standard Chassis Extended Chassis
Base Unit
Low Heat 5810 6310 6025 6525
High Heat 5940 6440 6155 6655
With Economizer
Low Heat 6110 6610 6325 6825
High Heat 6240 6740 6455 6955
COMPRESSORS Scroll
Quantity...Type 2...ZP103/1...ZP182 2...ZP120/2...ZP137
Oil Charge (oz) per Compressor 110 110
Number of Refrigerant Circuits 2 2
REFRIGERANT R-410A
Operating Charge (lb), Ckt 1/Ckt 2
Standard Evaporator Coil 21.6/26.7 29.4/29.0
Standard Evaporator with Humidi-MiZer® 21.6/39.1 29.4/41.4
Alternate High-Capacity Evaporator Coil 35.1/37.2 38.2/36.5
Alternate High-Capacity Evaporator with Humidi-MiZer 31.1/49.6 38.2/48.9
CONDENSER COILS Aluminum Novation® Heat Exchanger with Microchannel Coils
Quantity 2 2
Total Face Area (sq ft) 66.7 66.7
EVAPORATOR COILS
Quantity 1
Total Face Area (sq ft) 45.5
Refrigerant Feed Device...No. per Circuit TXV...2
Standard Evaporator Coils
Rows...Fins/in. 3...15.0 4...15.0
Fin Type Double Wavy Double Wavy
Tube Type Cross Hatched Cross Hatched
Alternate, High-Capacity Evaporator Coils
Rows...Fins/in. 6...16.0 6...16.0
Fin Type Double Wavy Double Wavy
Tube Type Cross Hatched Cross Hatched
HEATING SECTION Low Heat High Heat Low Heat High Heat
Number of Heat Exchangers 7 14 7 14
Input (MBtuh) 325 650 325 650
Output (MBtuh) (Vertical/Horizontal) 263/260 527/520 263/260 527/520
Temperature Rise Range (F) 10-40 25-55 10-40 25-55
Efficiency (%) (Vertical/Horizontal) 81/80 81/80 81/80 81/80
Burner Orifice Diameter
Quantity (in. ...drill no.) 7 (.1285...30) 14 (.1285...30) 7 (.1285...30) 14 (.1285...30)
Manifold Pressure (in. wg) 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
Firing Stages 2 2 2 2
Number of Gas Valves 1 2 1 2
CONDENSER FANS Propeller Type
Quantity...Diameter (in.) 3...30 4...30
Nominal Cfm 30,000 38,000
Motor Hp...Rpm 1.0...1140 1.0...1140
SUPPLY FAN Centrifugal 25 x 25 in.
Nominal Cfm 14,000 14,000
Maximum Allowable Cfm 20,000 20,000
Maximum Allowable Rpm 900 900
Shaft Diameter at Pulley (in.) 1 11 / 16 1 11 / 16
SUPPLY-FAN MOTOR AND DRIVE (Any motor available on any unit)
Motor Hp 7.5 10 15 20 25 30*
Motor Frame Size 213T 215T 254T 256T 284T 286T
Efficiency at Full Load (%)
High Efficiency 88.5 89.5 91.0 91.0 91.7 92.4
Premium Efficiency 91.7 91.7 93.0 93.6 93.6 93.6
Fan Pulley Pitch Diameter (in.) 13.7 13.7 13.7 13.7 13.7 12.5
Motor Pulley Pitch Diameter (in.) 3.4 4.3 4.9 5.5 6.5 6.5
Resulting Fan Speed (rpm) 438 549 626 703 830 910
Belts Quantity...Type 2...BX60 2...5VX630 2...5VX630 2...5VX630 2...5VX650 3...5VX630
Center Distance Range (in.) 17.74-14.30 17.74-14.30 17.63...14.01 17.63...14.01 16.63...12.87 16.63...12.87
OPTIONAL POWER EXHAUST† Centrifugal, 18 x 15 in. (Any motor available on any unit)
Quantity...Motor Hp 2...3.0 2...5.0 2...7.5 2...10
Motor Frame Size High Eff 56HZ 184T 213T 215T
Prem Eff 182T 184T 213T 215T
Efficiency at Full Load (%) High/Premium 81.0/88.5 87.5/89.5 88.5/91.7 89.5/91.7
Fan Pulley Pitch Diameter (in.) High Eff 11 10.4 12 12
Prem Eff 11.0 10.4 12 12
Motor Pulley Pitch Diameter Range (in.) High Eff 4.1-3.1 4.7-3.7 6.0-4.8 7.0-5.8
Prem Eff 4.1-3.1 4.7-3.7 6.0-4.8 7.0-5.8
Motor Pulley Pitch Diameter Factory Setup (in.) 4.1 4.2 5.4 6.4
Blower Shaft Diameter at Pulley (in.) 1 7 / 16 1 7 / 16 1 7 / 16 1 7 / 16
Fan Rpm Range 500-656 621-785 717-882 854-1000
Factory Setup Fan Rpm 656 703 800 927
Maximum Allowable Rpm 1000 1000 1000 1000
FILTERS
Standard Efficiency Throwaway (Standard)
Quantity...Size (in.) 8...20 x 25 x 2, 8...20 x 20 x 2 8...20 x 25 x 2, 8...20 x 20 x 2
Medium Efficiency (30%) Pleated (Optional)
Quantity...Size (in.) 8...20 x 25 x 2, 8...20 x 20 x 2 8...20 x 25 x 2, 8...20 x 20 x 2
High Efficiency (90%) Bag Filters
with High Velocity Prefilters (Opt)
Quantity...Size (in.)
Bag Filter 6...20 x 24 x 22, 6...20 x 20 x 22 6...20 x 24 x 22, 6...20 x 20 x 22
Prefilter 12...16 x 20 x 2, 3...20 x 24 x 2 12...16 x 20 x 2, 3...20 x 24 x 2
MERV 15 Cartridge Filters with High Velocity Prefilters (Opt)
Quantity...Size (in.)
Cartridge Filter 6...20 x 24 x 12, 6...20 x 20 x 12 6...20 x 24 x 12, 6...20 x 20 x 12
Prefilter 12...16 x 20 x 2, 3...20 x 24 x 2 12...16 x 20 x 2, 3...20 x 24 x 2
OUTSIDE AIR SCREENS
Standard Hood (25%) Quantity...Size (in.) None None
OPTIONAL ECONOMIZER FILTER Aluminum Frame, Permanent
Quantity...Size (in.)
5...20 x 20 x 2
2...20 x 25 x 1 5...20 x 20 x 1
2...20 x 25 x 1
MBtuh — Btuh in Thousands
TXV
— Thermostatic Expansion Valve