Carrier WEATHER MASTER 48P2 - Manual (Page 5)

5
Table 1B — Physical Data 48P2,P3,P4,P5055-070
LEGEND *See Table 7 — Power Exhaust Fan Drive Data on page 9 for more information.
BASE UNIT 48P2,P3,P4,P5055 48P2,P3,P4,P5060 48P2,P3,P4,P5070
NOMINAL CAPACITY (tons) 55 60 70
OPERATING WEIGHT (lb) Standard Chassis Extended Chassis Standard Chassis Extended Chassis Standard Chassis Extended Chassis
Base Unit
Low Heat 7810 8360 7865 8415 8205 8755
High Heat 7940 8490 7995 8545 8335 8885
With Economizer
Low Heat 8340 8890 8395 8945 8735 9285
High Heat 8470 9020 8525 9075 8865 9415
COMPRESSORS Scroll
Quantity...Type 2...ZP137/2...ZP137 2...ZP154/2...ZP154 1...ZP54,1...ZP182/1...ZP54,1...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 37.6/37.9 42.2/41.8 43.5/44.8
Standard Evaporator with Humidi-MiZer® 37.6/50.3 42.2/54.2 43.5/57.2
Alternate High-Capacity Evaporator Coil 46.5/45.8 47.6/46.5 55.4/55.5
Alternate High-Capacity Evaporator with
Humidi-MiZer
46.5/58.2 47.6/58.9 55.4/67.9
CONDENSER COILS Aluminum Novation® Heat Exchanger with Microchannel Coils
Quantity 2 2 4
Total Face Area (sq ft) 66.7 66.7 106.7
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 14 21 14 21 14 21
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.) 14 (.1285...30) 21 (.1285...30) 14 (.1285...30) 21 (.1285...30) 14 (.1285...30) 21 (.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
Firing Stages 2 2 2 2 2 2
Number of Gas Valves 2 3 2 3 2 3
CONDENSER FANS Propeller Type
Quantity...Diameter (in.) 4...30 4...30 4...30
Nominal Cfm 36,000 36,600 39,000
Motor Hp...Rpm 1.0...1140 1.0...1140 1.0...1140
SUPPLY FAN Centrifugal 30 x 27.5 in.
Nominal Cfm 17,500 21,000 24,500
Maximum Allowable Cfm 25,000 30,000 30,000
Maximum Allowable Rpm 800 800 800
Shaft Diameter at Pulley (in.) 1 11 / 16 1 11 / 16 1 11 / 16
SUPPLY-FAN MOTOR AND DRIVE (Any motor available on any unit)
Motor Hp 15 20 25 30 40†
Motor Frame Size 254T 256T 284T 286T S324T
Efficiency at Full Load (%)
High Efficiency 91.0 91.0 91.7 92.4 93.0
Premium Efficiency 93.0 93.6 93.6 93.6 94.5
Fan Pulley Pitch Diameter (in.) 13.7 13.7 13.7 15.5 16.1
Motor Pulley Pitch Diameter (in.) 4.5 5.1 5.5 5.9 6.7
Resulting Fan Speed (rpm) 575 651 703 711 740
Belts Quantity...Type 2...5VX1230 2...5VX1230 2...5VX1230 2...5VX1230 3...5VX1250
Center Distance Range (in.) 48.25-44.00 48.25-44.00 48.50-44.25 48.50-44.25 48.25-44.00
OPTIONAL POWER EXHAUST* Centrifugal, 18 x 15 in. (Any motor available on any unit)
Quantity...Motor Hp 2...5 2...7.5 2...10
Motor Frame Size 184T 213T 215T
Efficiency at Full Load (%) High/Premium 87.5/89.5 88.5/91.7 89.5/91.7
Resulting Fan Rpm 740 820 920
Maximum Allowable Rpm 1000 1000 1000
FILTERS
Standard Efficiency Throwaway (Standard)
Quantity...Size (in.) 12...20 x 25 x 2, 12...20 x 20 x 2 12...20 x 25 x 2, 12...20 x 20 x 2 12...20 x 25 x 2, 12...20 x 20 x 2
Medium Efficiency (30%) Pleated (Optional)
Quantity...Size (in.) 12...20 x 25 x 2, 12...20 x 20 x 2 12...20 x 25 x 2, 12...20 x 20 x 2 12...20 x 25 x 2, 12...20 x 20 x 2
High Efficiency (90%) Bag Filters
with High Velocity Prefilters (Optional)
Quantity...Size (in.)
Bag Filter 6...24 x 24 x 22, 6...24 x 20 x 22 6...24 x 24 x 22, 6...24 x 20 x 22 6...24 x 24 x 22, 6...24 x 20 x 22
Prefilter 6...24 x 24 x 2, 6...20 x 24 x 2 6...24 x 24 x 2, 6...20 x 24 x 2 6...24 x 24 x 2, 6...20 x 24 x 2
MERV 15 Cartridge Filters with
High Velocity Prefilters (Optional)
Quantity...Size (in.)
Cartridge Filter 6...24 x 24 x 12,, 6...24 x 20 x 12 6...24 x 24 x 12,, 6...24 x 20 x 12 6...24 x 24 x 12, 6...24 x 20 x 12
Prefilter 6...24 x 24 x 2, 6...20 x 24 x 2 6...24 x 24 x 2, 6...20 x 24 x 2 6...24 x 24 x 2, 6...20 x 24 x 2
OUTSIDE AIR SCREENS
Standard Hood (25%) Quantity...Size (in.) 4...25 x 16 x 1, 2...20 x 16 x 1 4...25 x 16 x 1, 2...20 x 16 x 1 4...25 x 16 x 1, 2...20 x 16 x 1
OPTIONAL ECONOMIZER FILTER Aluminum Frame, Permanent
Quantity...Size (in.) 12...16 x 25 x 1, 2...16 x 20 x 1 12...16 x 25 x 1, 2...16 x 20 x 1 12...16 x 25 x 1, 2...16 x 20 x 1
MBtuh — Btuh in Thousands
TXV
— Thermostatic Expansion Valve