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Daikin RXYMQ48PVJU User Manual

Daikin RXYMQ48PVJU
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INSTALLATION MANUAL
System air conditioner
RXYMQ36PVJU
RXYMQ48PVJU
English
Français
Installation manual
VRVIII-S System air conditioner
Manuel d’installation
Conditionneur d’air VRV
III-
S System
Español
Manual de instalación
Acondicionador de aire con sistema VRVIII-S
Read these instructions carefully before installation.
Keep this manual in a handy place for future reference.
This manual should be left with the equipment owner.
Lire soigneusement ces instructions avant l’installation.
Conserver ce manuel à portée de main pour référence ultérieure.
Ce manuel doit être donné au propriétaire de l’équipement.
Lea cuidadosamente estas instrucciones antes de instalar.
Guarde este manual en un lugar a mano para leer en caso de tener alguna
duda.
Este manual debe permanecer con el propietario del equipo.
00_CV_3PN07193-6F.fm Page 1 Wednesday, September 2, 2009 4:29 PM
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Daikin RXYMQ48PVJU Specifications

General IconGeneral
ModelRXYMQ48PVJU
CategoryAir Conditioner
Cooling Capacity48, 000 BTU/h
Heating Capacity54, 000 BTU/h
Voltage208-230 V
Hertz60 Hz
RefrigerantR-410A
Phase3

Summary

1. Safety Considerations

2. Introduction

2-1. Combination

Details indoor unit compatibility and total capacity/quantity limits for outdoor units.

2-2. Standard operation limit

Specifies operating conditions for indoor and outdoor units, including pipe length and level difference.

2-3. Spec list

Lists technical specifications like refrigerant type, performance, and dimensions for the models.

2-4. Electrical properties

Outlines electrical characteristics such as voltage, frequency, and current ratings for the units.

2-5. Standard supplied accessories

Lists the standard accessories included with the outdoor unit for installation and operation.

2-6. Option accessory

Details optional accessories available for the system, such as refrigerant branching kits.

3. Before Installation

4. Selecting Installation Site

Space needed for installation

Specifies required clearances and dimensions for various installation scenarios, considering obstacles and unit placement.

5. Precautions on Installation

6. Field Wiring

6-1. Wiring connection example for whole system

Provides a sample wiring diagram for connecting the entire system, including grounding and circuit protection.

6-2. How to lay the power supply wiring and transmission wiring

Guides on routing power and transmission wiring, including protection with insulation tubes and clamps.

6-3. How to connect the power supply wiring

Details on connecting the power supply wiring to the terminal block, including grounding and circuit interrupters.

6-4. Transmission wiring connection procedure

Instructions for connecting transmission wiring between units, covering length limits and wiring types.

7. Precautions on Refrigerant Piping

7-1. Installation tools

Lists essential tools and materials required for refrigerant piping installation, emphasizing R410A specific tools.

7-2. Selecting piping material

Guides on choosing appropriate piping material, wall thickness, and jointless phosphor-deoxidized copper pipes.

7-3. Protection against contamination when installing pipes

Explains methods to protect piping from moisture, dirt, and dust ingress during installation and handling.

7-4. Pipe connection

Covers procedures for pipe connection, including using specified flare nuts and nitrogen blow brazing.

7-5. Connecting the refrigerant piping

Details on connecting interunit piping, including direction, knockout hole preparation, and flare nut processing.

7-6. Heat insulation of piping

Instructions for insulating cooling and interunit piping to prevent condensation and heat loss.

7-7. Example of connection

Illustrates piping connection examples for various system configurations with different numbers of indoor units.

7-8. Air tight test and vacuum drying

Outlines the procedures for performing air tight tests and vacuum drying of the refrigerant system.

8. Additional Refrigerant Charge

8-1. Before adding refrigerant

Lists checks and inspections required before proceeding with adding refrigerant to the system.

8-2. Checking the refrigerant tank

Advises on verifying the refrigerant tank setup, ensuring liquid form charging for R410A.

8-3. Adding refrigerant

Provides step-by-step instructions for calculating and adding refrigerant to the system.

9. Post-Work Checks

10. Test Run

10-1. Power On-Check Operation

Explains the procedure for performing initial power-on and operational checks of the installed system.

10-2. Temperature control operation checklist

Details how to perform a temperature control check and verify normal operation of all connected units.

11. Caution for Refrigerant Leaks

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