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Daikin DFG120 - User Manual

Daikin DFG120
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INSTALLATION INSTRUCTIONS



IOD-1059
12/2022
This forced air central unit design complies with
requirements embodied in The American National Standard
/ National Standard of Canada 

ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, ADJUST,
SERVICE, MAINTENANCE OR REPAIR

MANUAL SHOULD




PROPERTY



MANUAL, ONLY LICENSED PERSONNEL SHOULD SERVICE THE






PERSONAL




Our connuing commitment to quality products may mean a change in specicaons without noce.
©2022
会社名
成日
B150
DAIKIN COMFORT TECHNOLOGIES MANUFACTURING, L.P.
2022/2/25
19001 Kermier Rd., Waller, TX 77484

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Summary

Daikin Installation Instructions

General Safety Warning

Critical safety warnings for qualified personnel only.

Replacement Parts Information

General Safety Instructions

Essential safety precautions and warnings for installation and operation.

Fire and Explosion Hazard Warnings

Fire or Explosion Hazard

Warnings about potential fire or explosion risks and prevention measures.

High Voltage Warning

Crucial safety information regarding high voltage hazards.

Carbon Monoxide Poisoning Hazard

Rigging Details and Safety

Unit Weights and Electrical Wiring Introduction

Electrical Wiring

Introduction to the unit's electrical wiring requirements and safety.

Electrical Wiring Safety and Installation

Electrical Wiring Safety

Critical safety instructions for electrical wiring and connections.

Control Wiring and Gas Supply Piping

Gas Supply Piping

Essential instructions and warnings for gas supply piping installation.

Natural Gas Connection and Piping Practices

Propane Gas Installations and Piping

Propane Gas Installations

Specific instructions and warnings for propane gas installation.

Startup, Adjustments, and Checks

Startup, Adjustments, and Checks

Step-by-step procedures for unit startup, adjustments, and operational checks.

Contractor Responsibilities and Pre-Startup Checks

DFG Model Wiring and Electrical Input

DFG Model Wiring

Wiring diagram and chart for DFG model operation.

Fan Speed and Gas System Checks

Gas System Check

Procedures for checking the gas system, including pressures and regulators.

Gas Supply and Manifold Pressure Checks

Gas Supply and Manifold Check

Steps for checking gas supply and manifold pressures for proper operation.

Gas Input Adjustment and Flame Checks

Normal Operation Sequence and Unit Shutdown

Refrigeration System Checks and Startup

Refrigeration System Checks

Procedures for checking the refrigeration system's components and charge.

Start-Up Procedure and Checklist

A comprehensive checklist for starting up the unit.

Refrigeration Performance Checks

Refrigeration Performance Check

Methods for checking system performance, subcooling, and superheat.

Superheat Adjustment and Refrigerant Charge

Inspection, Cleaning, and Troubleshooting

Troubleshooting

Guidance for diagnosing and resolving operational issues with the unit.

Troubleshooting Error Codes

Power and Controls Wiring Diagram

Pre Start-Up Checklist

Start-Up Data Recording

Summary

Daikin Installation Instructions

General Safety Warning

Critical safety warnings for qualified personnel only.

Replacement Parts Information

General Safety Instructions

Essential safety precautions and warnings for installation and operation.

Fire and Explosion Hazard Warnings

Fire or Explosion Hazard

Warnings about potential fire or explosion risks and prevention measures.

High Voltage Warning

Crucial safety information regarding high voltage hazards.

Carbon Monoxide Poisoning Hazard

Rigging Details and Safety

Unit Weights and Electrical Wiring Introduction

Electrical Wiring

Introduction to the unit's electrical wiring requirements and safety.

Electrical Wiring Safety and Installation

Electrical Wiring Safety

Critical safety instructions for electrical wiring and connections.

Control Wiring and Gas Supply Piping

Gas Supply Piping

Essential instructions and warnings for gas supply piping installation.

Natural Gas Connection and Piping Practices

Propane Gas Installations and Piping

Propane Gas Installations

Specific instructions and warnings for propane gas installation.

Startup, Adjustments, and Checks

Startup, Adjustments, and Checks

Step-by-step procedures for unit startup, adjustments, and operational checks.

Contractor Responsibilities and Pre-Startup Checks

DFG Model Wiring and Electrical Input

DFG Model Wiring

Wiring diagram and chart for DFG model operation.

Fan Speed and Gas System Checks

Gas System Check

Procedures for checking the gas system, including pressures and regulators.

Gas Supply and Manifold Pressure Checks

Gas Supply and Manifold Check

Steps for checking gas supply and manifold pressures for proper operation.

Gas Input Adjustment and Flame Checks

Normal Operation Sequence and Unit Shutdown

Refrigeration System Checks and Startup

Refrigeration System Checks

Procedures for checking the refrigeration system's components and charge.

Start-Up Procedure and Checklist

A comprehensive checklist for starting up the unit.

Refrigeration Performance Checks

Refrigeration Performance Check

Methods for checking system performance, subcooling, and superheat.

Superheat Adjustment and Refrigerant Charge

Inspection, Cleaning, and Troubleshooting

Troubleshooting

Guidance for diagnosing and resolving operational issues with the unit.

Troubleshooting Error Codes

Power and Controls Wiring Diagram

Pre Start-Up Checklist

Start-Up Data Recording

Daikin DFG120 Specifications

General IconGeneral
BrandDaikin
ModelDFG120
CategoryAccessories
LanguageEnglish

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