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Johnson Controls YC2E User Manual

Johnson Controls YC2E
22 pages
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Johnson Controls Ducted Systems
R-410A Outdoor Split-System Air
Conditioning
York International Corporation, 5005 York
Drive, Norman, OK 73069
2022-01-10
6158110-UIM-A-0122
Supersedes: nothing
A
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Johnson Controls YC2E Specifications

General IconGeneral
BrandJohnson Controls
ModelYC2E
CategoryAir Conditioner
LanguageEnglish

Summary

General Information

Certification

Details on product certifications and standards compliance.

Safety Precautions

Explains safety alert symbols and signal words for hazard identification.

Transit Inspection

Procedures for inspecting units for damage during transit.

Installation Limitations

Outlines restrictions for installation and operation to ensure performance.

Unit Installation and Location

Site Selection and Clearance

Guidance on selecting and preparing a suitable installation site for units.

Liquid Line Filter-Drier Installation

Outdoor Unit Filter-Drier Mounting

Step-by-step guide for installing a filter-drier on the outdoor unit.

Indoor Coil Filter-Drier Mounting

Step-by-step guide for installing a filter-drier on the indoor coil.

Refrigerant Piping Connections

Line Installation Precautions

Important safety and procedural advice for installing refrigerant lines.

Refrigerant Line Brazing

Line Brazing Safety

Essential safety measures for brazing refrigerant lines.

Service Valve Brazing Safety

Safety guidelines for brazing around service valves to prevent damage.

Connecting Refrigerant Lines

Metering Device Selection

Information on selecting and installing metering devices like TXV or piston.

Thermostatic Expansion Valve (TXV) Installation

System Evacuation Procedure

Procedure for evacuating the system to remove moisture and air.

Refrigerant System Charge

Guidelines for determining and adding refrigerant charge.

Indoor Airflow Measurement

Steps to measure and verify correct indoor airflow for system performance.

System Charging Procedures

Subcooling Charging for TXV Systems

Optional Cold Weather Charging

Electrical Connections and Grounding

Control Box Access and Grounding

Details on grounding requirements and control box access.

Electrical Connections

Power Wiring Installation

Steps for connecting the main power supply to the unit.

Control Wiring Installation

Steps for connecting low voltage control wiring to the unit.

Field Wiring Guidelines

User Instruction and System Maintenance

End-User Operation Guidance

Guidance for installers on educating the end-user about the system.

Routine Maintenance Tasks

Key maintenance activities for ensuring optimal system performance.

Wiring Diagrams Overview

Start-Up Sheet Details

Owner and Contractor Information

Section for recording owner and installation contractor details.

Equipment Identification Data

Fields for recording model and serial numbers for equipment.

Filter, Thermostat, and Accessories Setup

Details for filter type, size, location, and thermostat type.

Installation Code Compliance Checks

Checklist for verifying installation compliance with codes and instructions.

Line Voltage Electrical Setup

Specifications and checks for the unit's line voltage connections.

Low Voltage Electrical Setup

Requirements and checks for low voltage wiring and thermostat connections.

Heating System Configuration

Information related to setting up the heating functionality of the system.

Ventilation System Requirements

Guidelines for properly sizing and installing ventilation systems.

Start-Up Sheet: System Pressures and Settings

Cooling Blower Configuration

Settings and configurations for the indoor blower in cooling mode.

Heating Blower Configuration

Settings and configurations for the indoor blower in heating mode.

Refrigerant Charge Data Entry

Fields for recording refrigerant charge, metering device, and line set details.

Operational Cycle Testing

Procedures for testing the unit's operation in various modes.

Post-Installation Cleanup

Checklist for post-installation site cleanup.

Owner Education Checklist

Key points for educating the owner on system operation and maintenance.

Installation Comments

Area for adding any relevant notes or comments about the installation.

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