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Johnson Controls YC2D Series User Manual

Johnson Controls YC2D Series
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Johnson Controls Ducted Systems
Installation Manual: R-410A Outdoor Split-
System Air Conditioner
YC2D, TCD2, RAC134, YC2F, TCF2, and RAC150 Series
York International Corporation, 5005 York
Drive, Norman, OK 73069
2023-11-01
6136936-UIM-C-1123
Supersedes: 6136936-UIM-B-0523
C
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Johnson Controls YC2D Series Specifications

General IconGeneral
BrandJohnson Controls
ModelYC2D Series
CategoryAir Conditioner
LanguageEnglish

Summary

General Information and Safety

Product Certification

Information about product certifications and standards compliance.

Safety Warnings and Precautions

Safety alerts and signal words (Danger, Warning, Caution) to prevent injury.

Unit Inspection Procedure

Procedure for inspecting the unit for transit damage upon receipt.

R-410A Equipment Requirements

Specific requirements for R-410A systems, including equipment rating.

Installation Limitations

Constraints and limitations for installing and operating the unit.

Unit Installation and Location

Unit Location Selection

Guidance on selecting a suitable location for the outdoor and indoor units.

Liquid Line Filter-Drier Installation

Filter-Drier Installation at Outdoor Unit

Steps for installing the filter-drier on the outdoor unit.

Filter-Drier Installation at Indoor Coil

Steps for installing the filter-drier on the indoor coil.

Piping Connections

Precautions During Line Installation

Guidelines for safe and effective installation of refrigerant lines.

Precautions During Line Brazing

Safety and technical precautions for brazing refrigerant lines.

Precautions During Service Valve Brazing

Specific precautions for brazing around service valves.

Connecting the Refrigerant Lines

Step-by-step procedure for connecting refrigerant lines.

Coil Metering Devices

Installing a Thermostatic Expansion Valve (TXV)

Basic steps for installing a TXV kit.

Evacuation and System Charge

Evacuation Procedure

Steps to evacuate the system to 500 microns or less.

Measuring Indoor Airflow

Method for determining and adjusting indoor airflow for system efficiency.

System Charge Determination

Procedures for determining and adding the correct refrigerant charge.

Subcooling Charging Procedure

TXV Indoor Subcooling Charging

Steps for charging a TXV indoor system using subcooling method.

R-410A Saturation Properties

Table of saturation properties for R-410A refrigerant.

Optional Cold Weather Charging

Electrical Connections

General Information and Grounding

General electrical safety, grounding, and wiring practices.

Field Connections Power Wiring

Instructions for connecting the main power wiring to the unit.

Field Connections Control Wiring

Instructions for connecting the low-voltage control wiring.

Field Wiring Guidelines

General field wiring practices and diagram references.

User Instruction and Maintenance

Instructing the User

Guidance on system operation, features, and warranty for the end-user.

Maintenance Procedures

Recommended maintenance tasks for ensuring unit longevity and performance.

Wiring Diagrams

Single-phase 13.4/14.3 SEER2 Wiring Diagram

Electrical schematic for single-phase units with 13.4 and 14.3 SEER2 ratings.

Single-phase 15.2 SEER2 Single-Stage Wiring Diagram

Electrical schematic for single-phase units with 15.2 SEER2 single-stage rating.

Single-phase 15.2 SEER2 Two-Stage Wiring Diagram

Electrical schematic for single-phase units with 15.2 SEER2 two-stage rating.

Three-phase 13.4 SEER2 Wiring Diagram

Electrical schematic for three-phase units with 13.4 SEER2 rating.

Start-Up Procedures

Start-Up Sheet Overview

Checklist and form for initial system start-up and verification.

Airflow Setup Configuration

Settings for airflow and blower operation as part of start-up.

Refrigerant Charge Setup

Details for setting refrigerant charge and metering device during start-up.

Cycle Testing and Clean Up

Performing unit cycle tests and final site cleanup post-installation.

Owner Education on Start-Up

Guidance for educating the owner on system use and maintenance during start-up.

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