Carrier 50HE003-006 Installation Instructions Manual

Contents

10Table 2—Physical Data 50HEBASE UNIT 50HE 003 004 005 006NOMINAL CAPACITY 2 3 4 5OPERATING WEIGHT (lb)Unit 435 445 465 635Humidi-MiZer™ Adaptive Dehumidification System 13 15 23 25EconoMi$er IV 50 50 50 50Roof Curb 115 115 115 115COMPRESSOR ScrollQuantity 1 1 1 1Oil (oz) 25 42 56 53REFRIGERANT TYPE R-22Expansion Device Acutrol™ Metering DeviceOperating Charge (lb-oz)Standard Unit 5 ---3 7 ---11 8 ---8 12 ---11Unit With Humidi-Mizer Adaptive Dehumidification System 10 ---2 14 ---0 14 ---13 21 ---0CONDENSER FAN PropellerQuantity...Diameter (in.) 1...22 1...22 1...22 1...22Nominal Cfm 3000 3500 3500 4100Motor Hp...Rpm 1/8...825 1/8...825 1/8...825 1/ 4...1100Watts Input (Total) 180 180 180 320CONDENSER COIL Enhanced Copper Tubes, Aluminum Lanced FinsRows...Fins/in. 1...17 1...17 2...17 2...17Total Face Area (sq ft) 14.6 14.6 16.5 16.5EVAPORATOR COIL Enhanced Copper Tubes, Aluminum Double-Wavy FinsStandard UnitRows...Fins/in. 2...15 2...15 2...15 4...15Total Face Area (sq ft) 4.2 5.5 5.5 5.5Unit with Humidi-Mizer Adaptive Dehumidification SystemRows...Fins/in. 1...17 1...17 2...17 2...17Total Face Area (sq ft) 3.5 3.9 3.9 3.9EVAPORATOR FAN Centrifugal Type, Belt DriveQuantity...Size (in.) 1...10 x 10 1...10 x 10 1...10 x 10 1...10 x 10Nominal Cfm 800 1200 1600 2000Maximum Continuous Bhp Std 0.58 1.20 1.20 1.30/2.40*Hi-Static 2.40 2.40 2.90Motor Frame Size Std 48 48 48 48/56*Hi-Static 56 56 56Motor Rpm 1620 1620 1620 1725Fan Rpm Range Std 400-1000 680-1044 770-1185 1035-1460Hi-Static 1075-1455 1075-1455 1300-1685Motor Bearing Type Ball Ball Ball BallMaximum Fan Rpm 1620 2100 2100 2100Motor Pulley Pitch Diameter A/B (in.) Std 2.4/3.2 1.9/2.9 1.9/2.0 2.4/3.4Hi-Static 2.8/3.8 2.8/3.8 3.4/4.4Nominal Motor Shaft Diameter (in.) Std 5/ 8 1/2 1/ 2 5/ 8Hi-Static 7/ 8 5/ 8 5/ 8 5/ 8Fan Pulley Pitch Diameter (in.) Std 4.0 4.5 4.0 4.0Hi-Static 4.5 4.5 4.0 4.5Belt — Type...Length (in.) Std 1...A...36 1...A...36 1...A...36 1....4...40Hi-Static 1...A...39 1...A...39 1...A...40Pulley Center Line Distance (in.) 10.0 ---12.4 10.0-12.4 10.0-12.4 14.7-15.5Speed Change per Full Turn ofMovable Pulley Flange (rpm)Std 60 65 70 75Hi-Static 65 65 60Movable Pulley Maximum FullTurns from Closed PositionStd 5 5 5 6Hi-Static 6 6 5Factory Setting — Full Turns Open Std 3 3 3 3Hi-Static 3 1/ 2 3 1/ 2 3 1/ 2Factory Speed Setting (rpm) Std 756 826 936 1248Hi-Static 1233 1233 1396Fan Shaft Diameter at Pulley (in.) 5/ 8 5/ 8 5/ 8 5/ 8HIGH-PRESSURE SWITCH (psig)Standard Compressor Internal Relief 450 ± 50Cutout 428Reset (Auto.) 320LOSS-OF-CHARGE/LOW-PRESSURESWITCH (Liquid LIne) (psig)Cutout 7 ± 3Reset (Auto.) 22 ± 5FREEZE PROTECTION THERMOSTATOpens (F) 30Closes (F) 45OUTDOOR-AIR INLET SCREENS Cleanable. Screen quantity and size varies with option selected.RETURN-AIR FILTERS ThrowawayQuantity...Size (in.) 2...16 x 25 x 2LEGENDBhp — Brake Horsepower*Single phase/three phase.***These units do NOT meet the California low NOx requirements.†††California SCAQMD compliant low NOx models have combustion products that arecontrolled to 40 nanograms per joule or less.50HE,HJ