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Johnson Controls YORK YH9FXC18BAH-FX User Manual

Johnson Controls YORK YH9FXC18BAH-FX
41 pages
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SERVICE MANUAL
High Wall Fixed
R-410A 60Hz
YH9FXC18BAH--FX
Read this manual before installation and operation
Make sure that it is well kept for later reference
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Johnson Controls YORK YH9FXC18BAH-FX Specifications

General IconGeneral
ModelYH9FXC18BAH-FX
BrandJohnson Controls YORK
CategoryAir Conditioner
Cooling Capacity18, 000 BTU/h
RefrigerantR-410A
Operating Voltage208/230V
Phase1
Compressor TypeScroll
Sound Level (Outdoor Unit)72 dB

Summary

Introduction and Safety

Safety Cautions

Essential safety warnings for repair, operation, and product handling.

Post-Repair Cautions

Guidelines for safe installation and handling after repairs.

Inspection and Icon Guide

Post-repair checks and explanation of document symbols.

Product Features

Detailed Features Overview

Comprehensive list of functions like fan modes, filters, timers, and special modes.

Technical Specifications

System and Component Data

Electrical voltage, capacity, dimensions, weight, and sound level data.

Sensors and Diagrams

Sensor List

Details on room and pipe sensors, their purpose, and quantity.

Piping Diagrams

Illustrates the refrigerant flow during cooling operation.

Wiring and Control Systems

Indoor Unit Connector Wiring

Details PCB connectors and their corresponding loads in the indoor unit.

Core Functions and Control

Explains operation modes, temperature control, and specific functions.

Special Operations and Data

Covers timer, sleep, emergency, test functions, and thermistor data.

System Configuration

Unit Setup and Component Overview

Guidance on operating, handling, and identifying unit parts.

Operation Procedures

Basic Operation and Modes

Covers base operation, emergency/test, air flow adjustment.

Advanced Operation Features

Explains sleep, power/soft, and healthy airflow functions.

Timer, Smart Use, and Maintenance

Instructions for timer, smart usage, and air filter maintenance.

Cautions and Troubleshooting

General Safety Cautions

Critical warnings and prohibitions for safe usage and installation.

Troubleshooting Guide

Checks for normal performance issues and multiple potential problems.

Unit Dimensions and Service Diagnosis

Unit Dimensions and Center of Gravity

Physical dimensions and center of gravity details for the unit.

Service Diagnosis Procedures

Error codes, symptoms, measures, and diagnosis for malfunctions.

Specific Malfunctions

Troubleshooting for thermistor, EEPROM, and fan motor errors.

Circuit Diagrams

Electrical Schematics

Detailed circuit diagrams for the unit's electrical components.

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