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Carrier Manuals
Air Conditioner
50BA
Installation, start-up and service instructions manual
Carrier 50BA Installation, Start-Up And Service Instructions Manual
Single packaged cooling unit
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Installation, start-up and service instructions manual
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Installation, start-up and service instructions manual
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Contents
Table of Contents
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Table of Contents
Safety Considerations
Contents
Receive and Inspect Unit
Protect Units from Damage
Unit Dimensions
Optional Top Horizontal Discharge
Physical Data
Provide Unit Support
Rig and Place Unit
Base Unit Interior Details (50BA, BB004,006,008 and 012)
Base Unit Interior Details (50BA024 Unit Shown)
Install Accessory Plenum if Supplied
Position Fan Section as Desired
Fan and Motor Arrangements
Fan Section/Motor Mounting
Horizontal Fan Motor Mounting Angles
Vertical Fan Motor Mounting Angles
Assembled Fan Motor Adjusting Screw
Install Fan Motor
Alternate Fan Motors and Drives
Align Fan Shaft and Wheel
Fan Locking Detail/Fan Shaft Bearings
Concentric Alignment/Horizontal Wheel Centering
Torque Requirements
Horizontal Shaft Alignment
Install Supply/Return Air Ductwork
Check Compressor Spring Mounts/Return Air-Filters
Make Condenser Connections
Maximum Water-Side Working Pressure
Recommended Line Sizes
Water and Refrigerant Connections
To Assemble Carrier Compatible Fittings
Condenser Water Piping
50BA024 Condenser City Water Piping Conversion/Typical Waste or City Water Piping
Field Conversion to City or Waste Water System
Recirculating Water System System Piping
Waste or City Water System Piping (50BA044 and 054)
50BA064 Condenser Water Piping/Refrigeration Circuits (016-064)
Condensate Drain Connections
Install Unit Drain Line
Electrical Data
Maximum Wire Sized for Thermal Block (AWG or MCM)
Make Electrical Connections
Field Control Wiring Connections
Start-Up
Two-Step Thermostat Connection for Capacity Control
Capacity Control Valve Adjustment
To Regulate Control Set Point
Indoor Air Fan/Belt Tension Adjustment
To Adjust Pressure Differential
To Change Fan Speed
Gravity Flow Method
Forced Circulation Method
Return-Air Grille Removal
Charging Chart, 50BB004
Charging Chart, 50BB006
Indoor Air Fan Motor Removal
To Reinstall Motors
Access Panel Removal
Sequence of Operation with Two-Step Thermostat
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Contents
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Safety Considerations
3
Unit Dimensions
4
Physical Data
5
Base Unit Interior Details (50Ba, Bb004,006,008 and 012)
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