Carrier 48MPD Installation, Start-up And Service Instructions Manual

Contents

Table1 — Physical Data (cont)BASE UNIT 48/50MP 90P 10RNOMINAL CAPACITY (tons) 115 120OPERATING WEIGHT (lb)Base Unit (48MP/50MP) 24,660/24,750 25,110/25,100Copper Condenser Coils 950 950Exhaust Fan 2400 2400COMPRESSORS Semi-HermeticNumber of Refrigerant Circuits 2 2Circuit (No. of Cylinders) A1 (6), A2 (6) B1 (6), B2 (6) A1 (6), A2 (6) B1 (6), B2 (6)Model 06E −265, −275 −265, −275 −265, −299 −265, −275Oil Charge (pints) 19, 19 19, 19 19, 19 19, 19Capacity Steps (%) 15,23,30,38,45,58,65,73,85,92,100 14,21,28,35,42,61,68,75,86,93,100REFRIGERANT R-22Operating Charge (lb), Sys 1/Sys 2 (Standard Coil) 85/85 86/87Operating Charge (lb), Sys 1/Sys 2 (Alternate Coil) 93/93 93/96CONDENSER COILS Grooved Tube (3⁄8-in. OD)Quantity 4 4Rows...Fins/in. 3...17 3...17Total Face Area (sq ft) 168.0 168.0EVAPORATOR COILS Smooth Tube (5⁄8-in. OD)Quantity 2 2Rows...Fins/in.Standard 3...14 3...14Alternate 4...14 4...14Total Face Area (sq ft) 90.3 101.4Refrigerant FeedDevice...No. per Circuit TXV...2 TXV...2EVAPORATOR FANSForward Curved FanMotor Hp 50 60 60Motor Frame Size 326T 364T 364TEfficiency at Full Load (%)Standard Efficiency 93.0 94.5 94.5High Efficiency 94.5 95.4 95.4Fan Pulley Pitch Diameter (in.) 18.8 18.8 21.3Motor Pulley Pitch Diameter (in.) 5.9 6.7 6.7Fan Rpm 555 630 556Belts Quantity...Model No. 4...5VX1120 4...5VX1120 4...5VX1150Center Distance Range (in.) 35.4/40.2 35.4/40.2 34.2/40.2Maximum Rpm 715 715 715Air Foil FanMotor Hp 50 60 50 60Motor Frame Size 326T 364T 326T 364TEfficiency at Full Load (%)Standard Efficiency 93.0 94.5 93.0 94.5High Efficiency 94.5 95.4 94.5 95.4Fan Pulley Pitch Diameter (in.) 12.5 13.7 13.7 13.7Motor Pulley Pitch Diameter (in.) 7.5 8.7 8.1 8.7Fan Rpm 1050 1111 1035 1111Belts Quantity...Model No. 3...5VX1030 3...5VX1060 3...5VX1060 3...5VX1060Center Distance Range (in.) 35.4/39.4 34.4/39.1 35.4/39.4 34.4/39.1Maximum Rpm 1298 1298 1298 1298Air Foil Fan (cont)Motor Hp 75 75Motor Frame Size 365T 365TEfficiency at Full Load (%)Standard Efficiency 95.4 95.4High Efficiency — —Fan Pulley Pitch Diameter (in.) 16.1 16.1Motor Pulley Pitch Diameter (in.) 11.1 11.1Fan Rpm 1207 1207Belts Quantity...Model No. 3...5VX1120 3...5VX1120Center Distance Range (in.) 34.4/39.1 34.4/39.1Maximum Rpm 1298 1298CONDENSER FANSQuantity...Diameter (in.) 8...30 8...30Nominal Cfm 69,500 69,500Motor Hp...Rpm 1...1140 1...1140SUPPLY FAN Forward Curve Airfoil Forward Curve AirfoilNominal Cfm 46,000 46,000 52,000 52,000Size (in.) 36.0 40.25 36.0 40.25Maximum Allowable Rpm 715 1298 715 1298Shaft Diameter at Pulley (in.) 2.69 2.44 2.69 2.44FURNACE SECTION (48MP Units Only)Rollout Switch Cutout Temp (F) 190Number of Burners 7Burner Orifice Diameter (in. ...drill size) 0.136...29Gas Input (Btuh) 342,000Manifold Pressure (in. wg) — Natural Gas 3.3Gas Valve Input Pressure Rangein. wg 5.5-13.5psig 0.235-0.487LOW HEAT (48MPD)/HIGH HEAT (48MPE)Number of Sections 2/3Gas Input (Btuh) Stage 1 515,000/770,000Stage 2 685,000/1,025,000Efficiency (Steady State %) 81/81Temperature Rise Range (F) 5-35/10-40Minimum Heating Airflow (cfm) 14,700/19,250Field Gas Connection Size (in.) 2FILTERSMedium Efficiency (30%)Pleated (Standard) Quantity...Size (in.) 20...24 x 24 x 2,5...24 x 12 x 2 20...24 x 24 x 2,5...24 x 12 x 2High Efficiency (90%)Cartridge Filters with Prefilters (Optional)Quantity...Size (in.) 20...24 x 24 x 4,5...24 x 12 x 4 20...24 x 24 x 4,5...24 x 12 x 4Outdoor Air Inlet Screens Cleanable AluminumQuantity...Size (in.) 24...20 x 25 x 1 24...20 x 25 x 1LEGENDTXV — Thermostatic Expansion Valve5