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Daikin REMQ16P8Y1B User Manual

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

Table of Contents

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Daikin REMQ16P8Y1B Specifications

General IconGeneral
BrandDaikin
ModelREMQ16P8Y1B
CategoryAir Conditioner
LanguageEnglish

Summary

Introduction to Daikin VRVIII System Air Conditioner Installation

Combination of Outdoor Units

Details on possible combinations of outdoor units and their total capacity.

Standard Supplied Accessories

Lists standard accessories provided with the outdoor unit, referencing their location.

Optional Accessories for Installation

Lists optional accessories required for installation, such as refrigerant branching kits.

Technical and Electrical Specifications

Refers to the Engineering Data Book for detailed technical and electrical specifications.

Main Components Overview

Main Components and Functions

Provides information on the main components and their functions, referencing the Engineering Data Book.

Selecting the Installation Location

Location Selection Criteria

Guidelines for selecting a suitable installation location for the unit, considering environmental and operational factors.

Unit Inspection and Handling Procedures

Inspecting and Handling the Unit

Procedures for inspecting the unit upon delivery and safe handling practices during transport and installation.

Unpacking and Placing the Unit

Instructions for unpacking the unit and placing it on a solid foundation, including mounting details.

Refrigerant Piping Installation

Installation Tools for Refrigerant Piping

Specifies tools required for refrigerant piping installation, emphasizing R410A compatibility.

Selection of Piping Material

Details on selecting appropriate piping material, temper grade, and thickness for R410A.

Refrigerant Pipe Connection

Instructions and precautions for connecting refrigerant piping, including nitrogen blow procedures.

Connecting Refrigerant Piping

Describes front/side connection methods and procedures for removing pinched piping.

Connecting Refrigerant Piping to Outdoor Units

Details on connecting refrigerant piping between outdoor units, including patterns and precautions.

Protection Against Contamination When Installing Pipes

Measures to prevent foreign materials and contamination from entering the system during piping installation.

Example of Refrigerant Piping Connection

Illustrative examples of refrigerant piping connections for various system configurations.

Refrigerant Pipe Size Selection

Guidance on selecting correct pipe sizes for different sections of the refrigerant piping system.

Leak Test and Vacuum Drying

Leak Test and Vacuum Drying Preparations

Lists necessary items and preparations before performing leak test and vacuum drying.

Airtightness Test and Vacuum Drying Procedure

Step-by-step procedure for conducting airtightness tests and vacuum drying of the system.

Field Wiring and Electrical Connections

Internal Wiring - Parts Table

Lists and explains abbreviations for internal wiring components used in the unit.

Optional Parts Connector

Information on connecting optional parts and adapters to the unit's connectors.

Power Circuit and Cable Requirements

Specifies power circuit requirements, cable sizes, and safety devices for unit connection.

General Wiring Cautions

Important general precautions related to electrical wiring, power supply, and system configuration.

System Wiring Examples

Illustrates typical system configurations and wiring diagrams for power and transmission lines.

Leading Power Line and Transmission Line

Instructions for routing power and transmission lines, including conduit usage and precautions.

Field Line Connection: Transmission Wiring

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

Field Line Connection: Power Wiring

Guidelines for connecting the main power wiring to the unit's terminal block and grounding.

Wiring Example for Inside Unit

Provides a diagram and explanation for internal wiring connections within the unit's electric box.

Pipe Insulation

Pipe Insulation Guidelines

Instructions for insulating refrigerant piping and connections to prevent condensation and heat loss.

Checking Unit and Installation Conditions

Piping Work Checks

Checklist for verifying correct piping size and insulation installation.

Electrical Work Checks

Checklist for verifying correct power and transmission wiring, and insulation resistance.

Charging Refrigerant

Important Information Regarding Refrigerant Used

Key information about R410A refrigerant, GWP, and handling precautions.

Precautions When Adding R410A

Specific precautions for charging R410A, including using correct tools and procedures.

Stop Valve Operation Procedure

Detailed steps for operating stop valves, including opening and closing procedures and torque specifications.

How to Check Connected Units

Method for checking the number of connected indoor and outdoor units using LED indicators.

Additional Refrigerant Charge

Guidance on adding refrigerant, including automatic and manual charging procedures.

Inputting Additional Refrigerant Charge to PCB

Steps to input the additional refrigerant charge amount into the PCB after automatic charging.

Before Operation Checks

Service Precautions

Safety precautions to follow before performing service on the unit, especially regarding electrical hazards.

Checks Before Initial Start-up

A comprehensive checklist of items to verify before the unit's initial start-up.

Field Setting Procedures

Instructions for performing field settings using dip switches and push buttons on the PCB.

Test Operation Procedure

Procedure for conducting a test operation to check system functionality and identify potential issues.

Final Check After Installation

Final checks to ensure all installation works are completed correctly before normal operation.

Service Mode Operations

Vacuuming Method for Service

Procedure for vacuuming the system, typically required for repair purposes.

Refrigerant Recovery Operation Method

Steps for recovering refrigerant using a dedicated reclaimer, following specific operating modes.

Additional Refrigerant Charging Method

Additional Refrigerant Charging Procedures

Procedures for charging additional refrigerant when automatic methods are insufficient or not required.

Caution for Refrigerant Leaks

Maximum Refrigerant Concentration Level

Information on calculating and managing the maximum allowable refrigerant concentration in occupied spaces.

Procedure for Checking Maximum Concentration

Steps to calculate refrigerant concentration and determine necessary actions if levels are exceeded.

Disposal Requirements

Unit Dismantling and Disposal Guidelines

Guidelines for the proper dismantling, refrigerant, oil, and parts disposal according to local regulations.

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