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Carrier 53KHET 12 User Manual

Carrier 53KHET 12
58 pages
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Rev. (0) - 2012
Quality
Management System
ISO 9001 : 2008
Certicate No.: QS-5519HH
Enviromental
Management System
ISO 14001 : 2004
Certicate No : 12 104 30334 TMS
Safety
Management System
BS OHSAS 18001 : 2007
Certicate No : 12 116 30334 TMS
220-240V ~, 50Hz
R
2
2
03502821
Carrier is committed to continuously improving its products according to national and international standards
to ensure the highest quality and reliability standards, and to meet market regulations and requirements.
All specications subject to change without prior notice according to Carrier policy of continuous development.
INSTALLATION MANUAL
Hi Wall Split Air Conditioners
53KHET 12-18-24 Cool Only
53QHET 12-18-24 Heat Pump
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Carrier 53KHET 12 Specifications

General IconGeneral
RefrigerantR410A
Cooling Capacity12000 BTU/h
Noise Level (Outdoor)52 dB
Weight (Indoor Unit)9 kg
Weight (Outdoor Unit)32 kg

Summary

General Notes for Installers

Precautions Before Installation

Safety Precautions

General safety guidelines during installation and maintenance.

Warranty Exclusions

Conditions not covered by the product warranty.

Split System Description

Model Size Overview

Details of split system models for different sizes.

Models

Model Nomenclature

Explanation of model codes and their components.

Operating Limits

Temperature and Voltage Limits

Specifies operational temperature ranges and power supply voltage.

Dimensions and Weight of Indoor Unit

Dimensions and Weight of Outdoor Unit

Selecting Installation Location of Indoor Unit

Indoor Unit Placement Considerations

Guidelines for choosing an optimal indoor unit installation location.

Selecting Installation Location of Outdoor Unit

Outdoor Unit Installation Sites

Recommended and avoided locations for outdoor unit placement.

Outdoor Unit Placement Guidelines

Factors to consider when selecting an outdoor unit installation location.

Outdoor Unit Clearance Requirements

Minimum Clearances for Single Unit

Specifies minimum space requirements around a single outdoor unit.

Outdoor Unit Serial Installation Clearances

Minimum Clearances for Multiple Units

Specifies minimum space requirements for serial installation of multiple outdoor units.

Installation Location Check List

Indoor Unit Checklist

Items to verify for the indoor unit installation location.

Outdoor Unit Checklist

Items to verify for the outdoor unit installation location.

Piping Connection Checklist

Items to verify for refrigerant piping connections.

Installation Accessories

Standard Factory Supplied Accessories

Lists accessories provided with the unit for installation.

Export Market Accessories

Lists additional accessories for export markets.

Other Installation Accessories

Field Installation Accessories

Lists accessories not supplied but required for installation.

Installation Chart

Indoor Unit Installation

Preparation Steps: Wall Hole Location

Steps for preparing the wall for indoor unit installation.

Indoor Unit Preparation

Wall Hole Making Precautions

Guidelines for drilling the wall hole for unit connections.

Indoor Unit Installation Steps

Wall Bracket Installation

Instructions for mounting the wall hang bracket for the indoor unit.

Indoor Unit Mounting

Securing Indoor Unit to Bracket

Steps to attach and secure the indoor unit onto the installed wall bracket.

Remote Control Installation

Inserting Batteries

Guide on how to install batteries into the remote control.

Remote Control Usage

Wireless Remote Control Operation

Instructions and tips for using the wireless remote control effectively.

Outdoor Unit Installation

Outdoor Unit Preparation

Steps for preparing the outdoor unit before installation.

Wall Support Installation

Instructions for assembling and installing the wall support for the outdoor unit.

Connecting Refrigerant Piping Lines

Refrigerant Connection Overview

Chart illustrating the sequence of refrigerant piping connections.

Refrigerant Piping Outlet Locations

Indoor Unit Piping Outlet Options

Details on the four possible outlet locations for refrigerant piping from the indoor unit.

Refrigerant Piping Connection Instructions

Piping Installation Best Practices

Guidelines for proper bending, connection, and material selection for refrigerant piping.

Refrigerant Piping Line Usage

Piping Length and Height Limits

Data on maximum refrigerant piping lengths and vertical distances.

Refrigerant Piping Specifications

Pipe Diameters and Lengths

Table specifying pipe diameters and maximum lengths for different models.

Refrigerant Charge Calculation

Instructions for calculating additional refrigerant charge based on piping length.

Refrigerant Connection Details

Outdoor Unit Connection Points

Diagrams identifying refrigerant connection points on outdoor units.

Indoor Unit Connection Points

Diagrams identifying refrigerant connection points on indoor units.

Piping Line Types

Identification of gas and liquid piping lines.

Cutting and Flaring Tools

Tools required for preparing refrigerant piping lines.

Refrigerant Piping Preparation Steps

Piping Cutting and Deburring

Procedures for cutting and removing burrs from refrigerant piping.

Flaring Refrigerant Pipes

Method for flaring refrigerant pipe ends using a flare tool.

Refrigerant Piping Nut Mounting

Plastic Nut Removal

Steps for removing protective plastic nuts from unit connections.

Mounting Flare Nuts

Instructions for attaching flare nuts to refrigerant piping ends.

Connecting Refrigerant Piping to Units

Indoor Unit Piping Connection

Steps for connecting refrigerant lines to the indoor unit.

Outdoor Unit Piping Connection

Steps for connecting refrigerant lines to the outdoor unit.

Refrigerant Piping Air Purging

Air Purging Introduction

Importance and effects of air in the refrigerant system.

Purging with Outdoor Unit Refrigerant

Procedure for purging air using the system's contained refrigerant.

Vacuum Pump Air Purging

Air Purging Procedure with Vacuum Pump

Steps for using a vacuum pump to purge air from the system.

System Pumping Down

Pumping Down Procedure (Re-installation)

Steps to collect refrigerant back into the outdoor unit before disconnection.

Refrigerant Leak Check and Insulation

Refrigerant Leak Detection Methods

Procedures for checking refrigerant leaks using soapy water or a detector.

Insulating Refrigerant Piping Lines

Guidelines for insulating piping to prevent condensation and conserve energy.

Connecting Condensate Drain Line

Condensate Drain Line Size

Specifications for the condensate drain line material and diameter.

Drain Line Outlet Locations

Possible positions for routing the drain line from the indoor unit.

Condensate Drain Line Instructions

Drain Line Installation Guidelines

Instructions for proper drain line installation, avoiding traps and kinks.

Connecting Electrical Wiring

Electrical Wiring: Power Supply to Breaker

Guidelines for wiring between the power supply and the air conditioner circuit breaker.

Electrical Wiring: Unit Connections

Wiring Indoor, Outdoor, and Breaker

Instructions for connecting indoor, outdoor units, and the circuit breaker.

Electrical Data and Specifications

Electrical Data Table

Table detailing electrical consumption and circuit breaker ratings for models.

Electrical Wiring Preparation and System Wiring

Outdoor Unit Wiring Preparation

Steps before wiring the outdoor unit.

Heat Pump System Wiring

Specific wiring instructions for heat pump systems.

Outdoor Unit Heat Pump Wiring

Wiring details for outdoor units in heat pump systems.

Indoor Unit Heat Pump Wiring

Wiring details for indoor units in heat pump systems.

Field Electrical Wiring Diagrams

Cool Only Systems Wiring (12K-18K)

Wiring diagrams for cool-only models in the 12K-18K range.

Heat Pump Systems Wiring (12K-18K)

Wiring diagrams for heat pump models in the 12K-18K range.

Field Electrical Wiring Diagrams (Cont.)

24K Systems Wiring (Cool/Heat Pump)

Wiring diagrams for 24K models (cool only and heat pump).

Finishing Installation

Final Installation Steps

Tasks to complete after major installation, such as tidying cables and sealing.

Test Running

Precautions Before Test Running

Checks to perform before starting the test run.

Cooling Test Run (Manual Button)

Procedure for initiating a cooling test using the unit's manual control.

Cooling Test Running Steps

Cooling Test Run Procedure

Detailed steps for performing a cooling test run.

Heating Test Running Steps

Heating Test Run Procedure

Detailed steps for performing a heating test run.

Air Circulation for Indoor Unit

Airflow Direction Control

How to control air supply direction using louvers.

Air Direction Function

Using the remote to adjust vertical airflow direction.

Swing Function

Activating the automatic swing function for horizontal louvers.

Indoor Unit Air Circulation

Horizontal Louver Adjustment

Manual and automatic adjustment of horizontal louvers.

After Installation Check List

Indoor Unit Checks

Checklist items for the indoor unit installation.

Outdoor Unit Checks

Checklist items for the outdoor unit installation.

Refrigerant Piping Checks

Checklist for refrigerant piping connections.

Condensate Drain Line Checks

Checklist for the condensate drain line.

Electrical Connection Checks

Checklist for electrical connections.

Post-Installation Verification

Finishing Installation Checks

Verifying tidiness and sealing after installation.

Testing Running Verification

Checks related to unit operation and noise during testing.

Customer Guidance Verification

Ensuring customer operation explanation and manual handover.

Self Diagnostic Function for Malfunctions Detection

Cool Only System Malfunctions

Table of malfunctions and corresponding LED indicators for cool-only models.

Heat Pump System Malfunctions

Heat Pump System Malfunctions

Table of malfunctions and LED indicators for heat pump models.

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