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Carrier 52S series - User Manual

Carrier 52S series
20 pages
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52S
SERIES
INSTALLATION, OPERATING
AND MAINTENANCE INSTRUCTIONS
PACKAGED TERMINAL AIR CONDITIONERS
AND HEAT PUMPS
7,000-14,000 Btuh
CONTENTS
Page
GENERAL ....................................... 2
UNIT INSPECTION ............................. 2_3
ELECTRICAL DATA ............................. 3A
ALL UNITS .................................... 3
VOLTAGE SUPPLY ............................. 4
LOW-VOLTAGE CONNECTIONS --
REMOTE CONTROL AND ENERGY
MANAGEMENT ACCESSORY .................. 4
INSTALLATION ............................... 5-11
SLEEVE INSTALLATION REQUIREMENTS ....... 5
ACCESSORY INSTALLATION ................... 9
ADJUSTMENTS ............................... 10
Page
OPERATING INSTRUCTIONS ................ 12-13
SWITCH SETTINGS ........................... 12
OPERATING CONTROLS ...................... 13
CARE AND MAINTENANCE ................. 13-17
AIR INLET FILTER ............................ 13
OUTDOOR VENT FILTER ...................... 14
EXTERNAL PARTS ............................ 14
INTERNAL PARTS ............................ 14
ACCESSORIES .................................. 18
1,800,894,6449
For Service/
Technical Assistance

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Carrier 52S series Specifications

General IconGeneral
BrandCarrier
Model52S series
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Unit Inspection and Damage Check

Examine the unit for damage incurred during shipment and file a claim if damage is found.

Electrical Data and Wiring

All Units Wiring Requirements

Use recommended wire size for a single branch circuit, complying with local and national codes.

Grounding Procedures

Ensure the unit is grounded through the service cord plug or a separate ground wire for safety.

Voltage Supply and Receptacles

208;230 V Cord-Connected Unit Requirements

Ensure the outlet matches the plug and is within reach of the service cord. Refer to table for types.

265 V Accessory Cord-Connected Unit Requirements

Outlet must match plug, be within reach, and require accessory subbase for receptacle.

Low-Voltage Connections for Accessories

Low-voltage connections must be made for Energy Management Units and remote controls.

Installation

Sleeve Installation Requirements

Units are shipped without sleeves. Follow requirements for proper sleeve installation in wall openings.

Prepare Sleeve for Chassis Installation

Remove center support and rear closure panel, and install outdoor grille as per instructions.

Install Chassis in Sleeve

Inspect foam gaskets, lift chassis level, slide into sleeve, and screw securely to wall sleeve.

Accessory Installation

Install Hardwire or 265 V Cord-Connected Kit

Install Carrier accessory hardwire kit or 265-v cord-connected kit according to provided instructions.

Install Thermostat

Disconnect power, remove terminal board cover, connect thermostat wires to chassis terminal board.

Install Energy Management (EM) Accessory Kit

Install EM accessory kit in control box and connect low-voltage wires from chassis to central desk panel.

Adjustments

Adjust Airflow Direction

Modify discharge grille orientation for desired airflow direction, inverting if upward discharge is needed.

Adjust Vent

Slide the VENT knob manually to open or close the vent, it will remain in the selected position.

Adjust Econo Zone II Control Limits

Adjust temperature range by restricting rotation of the temperature control knob for Econo Zone II.

Operating Instructions

Switch Settings for Controls

Describes switch locations and functions for remote and unit control panels.

Operating Modes and Temperature Setting

Details on OUTSIDE AIR, OFF, FAN ONLY, HIGH/LOW HEAT/COOL, and finding the right temperature setting.

Operating Controls

Unit Controls Overview

Details the Fan Cycle Switch, Outdoor Thermostat, and Vent Control functions for unit operation.

Care and Maintenance

Air Inlet Filter Cleaning

The air inlet filter should be cleaned once each month by removing and cleaning it.

Outdoor Vent Filter Cleaning

Clean the outdoor vent filter once during cooling or heating season, as it restricts airflow.

Disconnect Power to Unit

Disconnect all power to the unit before cleaning, servicing, or maintenance to avoid electrical shock.

External Parts Cleaning

Clean external parts like polymer sleeve and grilles with household detergent and water.

Disassemble Unit

Details the tools and steps required to disassemble the unit, including removing panels and chassis.

Cleaning Disassembled Unit Components

Clean indoor coil, stator, vent screen, basepan, blower wheel, and scroll using recommended methods.

Reassemble Unit

Reassemble components by reversing disassembly procedures and reinstalling the unit into the sleeve.

Available Accessories

Corrosion-Protected Polymer Sleeve

An accessory polymer sleeve designed to protect against corrosion.

Standard Architectural Grille

Optional grille available in aluminum or plastic for aesthetic and functional purposes.

External Drain Kit

Accessory for routing condensate away from the unit and building exterior.

Standard Non-Electrical Subbase

An accessory subbase that does not include electrical components.

Lateral Duct Kit

Accessory kit for lateral airflow applications, enabling duct connections.

Energy Management Kit

Kit for controlling units remotely for energy conservation, especially in unoccupied rooms.

265 V Cord Kit

Accessory cord kit for connecting 265-volt units.

Hardwire Kit

Accessory kit to convert cord-connected units to hardwired installations.

GE Metal Sleeve Retro-Fit Kit

Retro-fit kit for adapting GE metal sleeves for Carrier units.

Standard Grille

A standard grille accessory for the unit.

Locking Control Door Kit

Accessory kit to secure the unit's control door.

Programmable Thermostat

An accessory thermostat that allows for programmable temperature scheduling.

Standard Manual Changeover Thermostat

A basic manual thermostat accessory for unit control.

Carrier 52 S Warranty Information

Full One-Year Warranty

Covers repair or replacement of defective parts within the first year of purchase at no charge.

Extended Four-Year Warranty on Sealed System

Covers compressor, condenser, evaporator, or tubing defects for four years, including system charge.

Limited Extended Four-Year Warranty on Non-Sealed System

Covers non-sealed system parts for four years, but excludes labor charges for repair.

Limitations and Exclusions of Warranties

Details limitations on implied warranties and exclusions like labor, shipping damage, and consequential damages.

Carrier Responsibility Exclusions

Lists conditions and events for which Carrier is not responsible, such as lack of maintenance or misapplication.

Troubleshooting Steps When Unit Does Not Work

Self-Check Procedures

Check plug, fuse/breaker, and control settings before calling for service to save money.

Contact Dealer or Authorized Service Center

Contact your dealer or recommended service center as they handle most service problems efficiently.

Contact Carrier Distributor

Contact the local Carrier distributor if your dealer cannot provide a satisfactory solution.

Contact Carrier Directly

Contact Carrier Air Conditioning Consumer Relations if issues persist after contacting dealer and distributor.

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