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Daikin R407C PLUS User Manual

Daikin R407C PLUS
267 pages
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System
R407C PLUS Series
Heat Recovery System
Si33-105
Service
Manual

Table of Contents

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Daikin R407C PLUS Specifications

General IconGeneral
BrandDaikin
ModelR407C PLUS
CategoryHeating System
LanguageEnglish

Summary

1. Introduction

1.1 Safety Cautions

Details safety precautions for repair work, including warnings and cautions.

1.1.2 Cautions Regarding Products after Repair

Highlights important safety considerations and warnings for post-repair installation and electrical work.

Part 1 General Information R407C PLUS Series Heat Recovery System

Part 2 Specifications R407C PLUS Series Heat Recovery System

Part 3 Function R407C PLUS Series Heat Recovery System

3. Outline of Control (Outdoor Unit)

Explains the control logic and symbols used for outdoor unit operations.

4. Outline of Control (Indoor Unit)

Describes the control functions for indoor units, including drain pump and louver control.

Part 4 Test Operation R407C PLUS Series Heat Recovery System

1.8 Wiring Check Operation

1.9 Additional Refrigerant Charge Operation

1.10 Refrigerant Recovery Mode

1.11 Backup and Emergency Operation

1.12 Indoor Field Setting

1.13 Centralized Control Group No. Setting

Part 5 Troubleshooting R407C PLUS Series Heat Recovery System

2. Troubleshooting by Remote Controller

Guides on troubleshooting issues identified via the remote controller, including self-diagnosis.

3. Troubleshooting

Provides detailed troubleshooting steps for various unit malfunctions.

3.13 Outdoor Unit: Actuation of Safety Device

Troubleshooting steps when an outdoor unit safety device is actuated.

3.25 Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure

Troubleshooting low pressure drops caused by refrigerant issues or expansion valve failure.

3.26 Reverse Phase, Open Phase

Diagnosing and resolving issues related to reverse phase or open phase power supply.

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