Daikin VRV II RXYQ8MY1K User Manual

RXYQ8-30MY1K(E), YLK(E)
R-410A Heat Pump 50/60Hz
For High Outdoor Temperature Use
Si39 - 502A
Printed in Singapore 12/2005 COS
Service Manual /
R-410A Heat Pump RXYQ8-30MY1K(E), YLK(E)
Si39-502A
The specifications, designs, and information in this brochure are subject to change without notice.
All rights reserved
c
Dealer
Head Office:
Umeda Center Bldg., 2-4-12, Nakazaki-Nishi,
Kita-ku, Osaka, 530-8323 Japan
Tokyo Office:
JR Shinagawa East Bldg., 2-18-1, Konan,
Minato-ku, Tokyo, 108-0075 Japan
http://www.daikin.com/global/
1. Air conditioners should not be installed in areas where corrosive gases, such as acid gas or alkaline gas, are produced.
2. If the outdoor unit is to be installed close to the sea shore, direct exposure to the sea breeze should be avoided and choose an
outdoor unit with anti-corrosion treatment.
Cautions on product corrosion
Ask a qualified installer or contractor to install this product. Do not try to install the product yourself.
Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion.
Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or
contractor to install those parts and accessories. Use of unauthorized parts and accessories or
improper installation of parts and accessories can result in water or refrigerant leakage, electrical
shock, fire or explosion.
Read the User's Manual carefully before using this product. The User's Manual provides important
safety instructions and warnings. Be sure to follow these instructions and warnings.
For any inquiries, contact your local distributor.

Daikin VRV II RXYQ8MY1K Specifications

General

Brand	Daikin
Model	VRV II RXYQ8MY1K
Category	Heat Pump
Language	English

Summary

Part 1 General Information

1. Model Names of Indoor/Outdoor Units

Lists model names for indoor and outdoor units.

4. Capacity Range

Details capacity ranges for outdoor and indoor units.

Part 2 Specifications

1.1 Outdoor Units

Provides detailed specifications for outdoor units, including capacity, dimensions, and components.

1.2 Indoor Units

Lists specifications for various indoor unit types, including dimensions and performance.

Part 3 Refrigerant Circuit

3. Refrigerant Flow for Each Operation Mode

Illustrates refrigerant flow during different operation modes like cooling and heating.

Part 4 Function

2. Basic Control

Explains basic control functions for compressors, fans, and valves during normal operation.

4. Protection Control

Covers various protection controls for high pressure, low pressure, and compressor overload.

Part 5 Test Operation

1.1 Procedure and Outline

Outlines the steps for initial test operation after installation, including pre-power checks.

3. Field Setting

Describes how to perform field settings using remote controllers or outdoor units.

Part 6 Troubleshooting

1. Symptom-based Troubleshooting

Provides a guide to diagnose and resolve issues based on observed symptoms.

3. Troubleshooting by Indication on the Remote Controller

Lists malfunction codes displayed on the remote controller and their corresponding causes and countermeasures.

Part 7 Appendix

1. Piping Diagrams

Provides diagrams illustrating refrigerant piping for outdoor and indoor units.

2. Wiring Diagrams for Reference

Offers wiring diagrams for outdoor and indoor units, as well as field wiring.

Part 8 Precautions for New Refrigerant (R-410A)

1.1 Outline

Discusses the characteristics of R-410A refrigerant, including pressure and composition.

1.3 Service Tools

Lists necessary tools and their compatibility for servicing R-410A systems.