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Daikin REMHQ12P8Y1B - User Manual

Daikin REMHQ12P8Y1B
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INSTALLATION MANUAL
REMQ8P9Y1B
REMQ10P8Y1B
REM(H)Q12P8Y1B
REMQ14P8Y1B
REMQ16P8Y1B
System air conditioner

Table of Contents

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Daikin REMHQ12P8Y1B Specifications

General IconGeneral
BrandDaikin
ModelREMHQ12P8Y1B
CategoryAir Conditioner
LanguageEnglish

Summary

1. Introduction to VRVII System Air Conditioner

1.1. Outdoor and Indoor Unit Combinations

Describes combinations of outdoor and indoor units.

1.2. Standard Unit Accessories

Lists standard accessories included with the unit.

1.3. Optional Unit Accessories

Lists optional accessories available for purchase.

1.4. Technical and Electrical Specifications Overview

Refers to external documentation for detailed specifications.

2. Main Components Overview

3. Outdoor Unit Location Selection Guide

4. Unit Inspection and Handling Procedures

5. Unit Unpacking and Placement Guide

6. Refrigerant Piping Installation

6.1. Installation Tools

Lists specialized tools required for R410A refrigerant piping.

6.2. Selection of Piping Material

Details on choosing appropriate piping material and dimensions.

6.3. Pipe Connection

Explains brazing techniques and precautions for pipe connections.

3 Connecting refrigerant piping to outdoor units

3.1. Precautions when connecting piping between outdoor units (multiple outdoor unit system)

Safety and installation rules for multi-outdoor unit connections.

3.2. Possible installation patterns and configurations

Illustrates different valid and prohibited piping configurations.

7. System Leak Test and Vacuum Drying

1 Preparations

Steps to take before starting leak testing and vacuum drying.

2 Airtightness test and vacuum drying

Detailed methods for leak detection and system evacuation.

8. Field Wiring Installation Guide

8.1. Internal wiring - Parts table

Lists and defines internal wiring components and abbreviations.

8.2. Optional parts connector

Explains connections for optional adapters.

8.3. Power circuit and cable requirements

Specifies requirements for power supply circuits and cables.

8.4. General cautions

Important safety and operational warnings related to wiring.

8.5. System examples

Illustrates typical wiring configurations for system setups.

9. Refrigerant Pipe Insulation Guidelines

10. Final Unit and Installation Checks

The piping work

Verification steps for the installed refrigerant piping.

The electrical work

Verification steps for the field electrical wiring.

11. Refrigerant Charging Procedures

11.1. Important information regarding the refrigerant used

Details on R410A refrigerant and environmental considerations.

11.2. Precautions when adding R410 A

Safety warnings and best practices for handling R410A.

11.3. Stop valve operation procedure

Step-by-step guide on operating stop valves.

11.4. How to check how many units are connected

Method to verify the number of connected indoor and outdoor units.

12. Before Operation

12.1. Service precautions

Safety measures for servicing the unit, especially inverter components.

Setting the mode

3.2 Possible settings for function C

Explains settings for noise level control.

3.3 Possible settings for function D and E

Explains settings for noise and power consumption.

3.4 Possible settings for function H

Explains settings for evaporating temperature.

Confirmation of the set mode

How to verify the configured operating settings.

12.4. Test operation

Correcting after abnormal completion of the test operation

Steps to resolve issues found during test operation.

13. Service Mode Operation

Vacuuming method

Steps for evacuating the system for repair purposes.

Refrigerant recovery operation method

Process for recovering refrigerant using specialized equipment.

15. Caution for Refrigerant Leaks

Maximum concentration level

Defines maximum allowable refrigerant gas concentration.

Procedure for checking maximum concentration

Steps to calculate and verify refrigerant concentration.

16. Disposal Requirements

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