Table Of Contents - Carrier 50BA Installation, Start-Up And Service Instructions Manual

Table of Contents

Safety Considerations1
Contents1
Receive And Inspect Unit1
Protect Units From Damage1
Unit Dimensions2
Optional Top Horizontal Discharge2
Physical Data4
Provide Unit Support4
Rig And Place Unit4
Base Unit Interior Details (50Ba, Bb004,006,008 And 012)6
Base Unit Interior Details (50Ba024 Unit Shown)7
Install Accessory Plenum If Supplied7
Position Fan Section As Desired7
Fan And Motor Arrangements8
Fan Section/Motor Mounting8
Horizontal Fan Motor Mounting Angles8
Vertical Fan Motor Mounting Angles8
Assembled Fan Motor Adjusting Screw9
Install Fan Motor9
Alternate Fan Motors And Drives9
Align Fan Shaft And Wheel10
Fan Locking Detail/Fan Shaft Bearings10
Concentric Alignment/Horizontal Wheel Centering10
Torque Requirements10
Horizontal Shaft Alignment11
Install Supply/Return Air Ductwork11
Check Compressor Spring Mounts/Return Air-Filters11
Make Condenser Connections11
Maximum Water-Side Working Pressure12
Recommended Line Sizes12
Water And Refrigerant Connections12
To Assemble Carrier Compatible Fittings12
Condenser Water Piping14
50Ba024 Condenser City Water Piping Conversion/Typical Waste Or City Water Piping14
Field Conversion To City Or Waste Water System14
Recirculating Water System System Piping14
Waste Or City Water System Piping (50Ba044 And 054)15
50Ba064 Condenser Water Piping/Refrigeration Circuits (016-064)15
Condensate Drain Connections15
Install Unit Drain Line15
Electrical Data16
Maximum Wire Sized For Thermal Block (Awg Or Mcm)16
Make Electrical Connections16
Field Control Wiring Connections17
Start-Up18
Two-Step Thermostat Connection For Capacity Control18
Capacity Control Valve Adjustment18
To Regulate Control Set Point19
Indoor Air Fan/Belt Tension Adjustment19
To Adjust Pressure Differential19
To Change Fan Speed19
Gravity Flow Method20
Forced Circulation Method20
Return-Air Grille Removal21
Charging Chart, 50Bb00421
Charging Chart, 50Bb00621
Indoor Air Fan Motor Removal22
To Reinstall Motors22
Access Panel Removal22
Sequence Of Operation With Two-Step Thermostat23