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Daikin REYQ120TTJU User Manual

Daikin REYQ120TTJU
46 pages
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INSTALLATION MANUAL
MODEL
REYQ72TTJU
REYQ96TTJU
REYQ120TTJU
REYQ144TTJU
REYQ168TTJU
REYQ192TTJU
REYQ216TTJU
REYQ240TTJU
REYQ264TTJU
REYQ288TTJU
REYQ312TTJU
REYQ336TTJU
REYQ360TTJU
REYQ384TTJU
REYQ408TTJU
REYQ432TTJU
REYQ456TTJU
REYQ72TYDN
REYQ96TYDN
REYQ120TYDN
REYQ144TYDN
REYQ168TYDN
REYQ192TYDN
REYQ216TYDN
REYQ240TYDN
REYQ264TYDN
REYQ288TYDN
REYQ312TYDN
REYQ336TYDN
REYQ360TYDN
REYQ384TYDN
REYQ408TYDN
REYQ432TYDN
REYQ456TYDN
System Air Conditioner
3P362438-3H
00_CV_3P362438-3H.indd 1 1/5/2015 9:24:22 AM

Table of Contents

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Daikin REYQ120TTJU Specifications

General IconGeneral
BrandDaikin
ModelREYQ120TTJU
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Considerations

Introduction

Selecting an Installation Location

General Precautions on Installation

Covers site selection requirements for foundation, stability, air circulation, and safety.

Refrigerant Pipe Size and Allowable Pipe Length

Selection of Piping Size

Guide for selecting proper refrigerant piping sizes using tables and diagrams.

Selection of Refrigerant Branch Kits

Information on choosing appropriate refrigerant branch kits and multi connection piping kits.

System Piping (Length) Limitations

Specifies maximum allowable piping lengths and height differences for system configurations.

Precautions on Refrigerant Piping

Connecting the Refrigerant Piping

Procedures for connecting refrigerant piping, including front and side connections.

Guidelines for Handling Stop Valve

Cautions and procedures for handling stop valves, including tightening torques.

Field Wiring

Power Circuit, Safety Device and Cable Requirements

Specifies requirements for power circuits, safety devices, and cable selection.

Transmission Wiring Connection Procedure

Details on connecting transmission wiring between indoor, outdoor, and BS units.

Power Wiring Connection Procedure

Step-by-step guide for connecting the main power supply wiring to the unit.

Air Tight Test and Vacuum Drying

Pipe Insulation

Checking of Device and Installation Conditions

Making Field Settings

Charging Refrigerant

Precautions

Essential safety and procedural precautions before and during refrigerant charging.

Calculating the Additional Refrigerant Charge

Guidance on calculating the required additional refrigerant charge for the system.

Charging Method

Explains the two methods for charging refrigerant: automatic and manual.

How to Calculate the Additional Refrigerant to Be Charged

Provides formulas and tables to calculate the exact amount of refrigerant needed.

Charging Refrigerant

Introduces the refrigerant charging process, referring to charts and methods.

Start-up and Configuration

Checks Before Initial Start Up

Checklist of essential items to verify before powering up the unit.

Monitoring Function and Field Settings

How to monitor unit status and adjust field settings for optimal operation.

Energy Saving and Optimum Operation

Information on optimizing system performance through energy-saving features.

Test Operation

Precautions Before Starting Test Operation

Safety warnings and preparations required before performing a test run.

Correcting After Abnormal Completion of the Test Operation

Steps for correcting issues identified during the test operation.

Test Operation

Procedure for conducting a complete system test operation to verify functionality.

Malfunction Code List

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