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Daikin RXYQ8P8W1B User Manual

Daikin RXYQ8P8W1B
38 pages
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INSTALLATION MANUAL
RXQ5P7W1B
RXQ8P7W1B
RXQ10P7W1B
RXQ12P7W1B
RXQ14P7W1BA
RXQ16P7W1BA
RXQ18P7W1BA
RXYQ5P7W1B
RXYQ8P8W1B
RXYQ10P7W1B
RXYQ12P7W1B
RXYHQ12P8W1B
RXYQ14P7W1BA
RXYQ16P7W1BA
RXYQ18P7W1BA
System air conditioner
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Daikin RXYQ8P8W1B Specifications

General IconGeneral
BrandDaikin
ModelRXYQ8P8W1B
CategoryAir Conditioner
LanguageEnglish

Summary

1. Introduction

1.1. Combination

Details how indoor units can be combined with outdoor units for optimal system configuration.

1.2. Standard Supplied Accessories

Lists the standard accessories provided with the unit for installation and operation.

1.3. Optional Accessories

Outlines optional parts required for specific installations, like branching kits and pipe reducers.

1.4. Technical and Electrical Specifications

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

2. Main Components

Main Components

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

3. Selection of Location

Selection of Location

Guides on choosing suitable indoor and outdoor installation sites, considering environmental factors and safety.

4. Inspecting and Handling the Unit

4.1 Precautions When Connecting Piping Between Outdoor Units

Details restrictions and precautions for connecting refrigerant piping between multiple outdoor units.

4.2 Possible Installation Patterns and Configurations

Illustrates allowed and prohibited patterns for piping configurations in multi-unit systems.

5. Unpacking and Placing the Unit

Unpacking and Placing the Unit

Details the procedures for removing the unit from its packaging and placing it securely on a level foundation.

6. Refrigerant Piping

6.1. Installation Tools

Lists the specific tools required for R410A installations to ensure proper pressure and cleanliness.

6.2. Selection of Piping Material

Specifies requirements for refrigerant piping material, including size and temper grade for safe and efficient operation.

6.3. Pipe Connection

Describes proper pipe connection techniques, including nitrogen blow and brazing precautions for R410A systems.

6.4. Connecting the Refrigerant Piping

Explains how to connect refrigerant piping, covering front and side connections and precautions for knocking out holes.

6.5. Piping Length Restrictions

Outlines limitations on pipe length, level difference, and branch length for system performance.

6.5. Protection Against Contamination When Installing Pipes

Provides measures to prevent foreign materials, moisture, and contamination from entering the system during piping work.

6.6. Example of Connection

Offers examples for connecting refrigerant piping with refnet joints and headers for various system configurations.

A,B,C. Piping Between Outdoor Unit and Refrigerant Branch Kit

Specifies pipe sizes for connections between outdoor units and the branch kit based on capacity.

D. Piping Between Refrigerant Branch Kits

Details pipe sizing for connections between refrigerant branch kits based on total indoor unit capacity.

E. Piping Between Refrigerant Branch Kit and Indoor Unit

Specifies pipe sizes for connections between the branch kit and indoor units, matching indoor unit connection sizes.

7. Leak Test and Vacuum Drying

Leak Test and Vacuum Drying

Outlines the procedures for performing airtightness tests and vacuum drying on the system after connecting field piping.

8. Field Wiring

8.1. Internal Wiring - Parts Table

Lists abbreviations for internal wiring components, referring to the unit's wiring diagram sticker.

8.2. Optional Parts Cool/Heat Selector

Details the use of selector switches for cool/heat functions and related wiring considerations.

8.3. Power Circuit and Cable Requirements

Specifies power circuit requirements, cable sizing, and recommended fuses for unit connection.

8.4. General Cautions

Provides important safety and operational cautions related to wiring, power supply quality, and component protection.

8.5. System Examples

Illustrates common system wiring configurations for connecting multiple units and components.

8.6. Leading Power Line and Transmission Line

Guides on routing power and transmission lines, including conduit usage and separation from other wiring.

8.7. Field Line Connection: Transmission Wiring and Cool/Heat Selection

Explains connecting transmission wiring for cool/heat selection between indoor and outdoor units.

8.8. Field Line Connection: Power Wiring

Details the procedure for connecting power wiring to the unit's terminal block, including grounding.

8.9. Wiring Example for Wiring Inside Unit

Provides a visual example of internal wiring connections within the unit's electric box.

9. Pipe Insulation

Pipe Insulation

Specifies requirements for insulating refrigerant piping and connection points to prevent condensation and burns.

10. Checking of Unit and Installation Conditions

Checking of Unit and Installation Conditions

Outlines essential checks for piping, insulation, electrical work, and insulation resistance before operation.

11. Charging Refrigerant

11.1. Important Information Regarding the Refrigerant Used

Provides essential details about R410A refrigerant, GWP, and labeling requirements for greenhouse gases.

11.2. Precautions When Adding R410A

Emphasizes safety precautions and correct methods for adding R410A refrigerant, including using specialized tools.

11.3. Stop Valve Operation Procedure

Details the correct procedure for operating stop valves during refrigerant charging and handling.

11.4. How to Check How Many Units Are Connected

Explains how to use the outdoor unit's PCB LEDs to check the number of connected indoor and outdoor units.

11.5. Additional Refrigerant Charge

Describes methods for adding refrigerant, including automatic and manual procedures, and test operations.

11.6. Checks After Adding Refrigerant

Lists final checks after refrigerant charging, ensuring stop valves are open and amounts are recorded.

12. Before Operation

12.1. Service Precautions

Warns about electric shock hazards and precautions when servicing inverter equipment, especially capacitors.

12.2. Checks Before Initial Start-up

Lists critical checks before the first operation, including power supply, wiring, pipe sizes, and insulation.

12.3. Field Setting

Guides on performing field settings using switches on the outdoor unit PCB for various operational modes.

12.4. Test Operation

Details the procedure for performing a test operation after installation to verify system functionality and settings.

13. Service Mode Operation

Service Mode Operation

Explains how to operate the unit in service mode for vacuuming and refrigerant recovery purposes.

14. Caution for Refrigerant Leaks

Caution for Refrigerant Leaks

Addresses safety measures against refrigerant leaks, maximum concentration levels, and applicable regulations.

15. Disposal Requirements

Disposal Requirements

Outlines requirements for dismantling the unit and disposing of refrigerants, oil, and parts according to legislation.

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