Daikin VRV Manuale utente

Si30-408

Basic Training Manual

PREFACE

The latest technological innovations of air conditioners make remarkable progress. We are not able to perform our duty

without mastering the proper basic theory and knowledge in service skills and techniques.

The field of VRV system particularly

shows such a rising tendency. The techniques on trouble shooting and trouble removing corresponding to the

computerized and systematized products are required. Based on these requests, therefore, we have prepared this

manual, emphasizing the understanding on VRV system.

We wish that you would use this manual as a guidebook for the service of VRV system or as a reference book for

education of service personnel, which leads to the development of skills in whole service group of Daikin.

DEC.2004

DAIKIN INDUSTRIES, LTD.

After Sales Service Division

Si30-408

General Contents i

General Contents

General ContentsGeneral Contents

General Contents

A. Introduction................................................................................ 1

B. Basic Information..................................................................... 21

C. Field Settings from Remote Controller.................................... 41

D. Troubleshooting ....................................................................... 67

E. Cases for Examination ........................................................... 109

F. Service Checker Type3 Application Edition .......................... 127

G. Appendix ................................................................................ 191

Index ................................................................................................ i

Drawings & Flow Charts ............................................................... iii

Si30-408

ii General Contents

Si30-408

Introduction 1

A. Introduction

A. IntroductionA. Introduction

A. Introduction

1. What is a VRV System?..........................................................................2

2. List of VRV Unit Models ..........................................................................3

2.1 List of Outdoor Unit Models......................................................................3

2.2 Nomenclature ...........................................................................................5

3. System Basic Configuration ..................................................................11

3.1 Cooling / Heating Selection -Standard- System .....................................11

3.2 Heat Recovery (Cooling / Heating Individual Operating) System...........14

4. Super Wiring System ............................................................................15

4.1 Points of Super Wiring System...............................................................15

4.2 Wiring Length .........................................................................................16

5. REFNET Piping.....................................................................................17

5.1 Allowable Length of Refrigerant Piping ..................................................17

5.2 For Refrigerant Piping ............................................................................19

What is a VRV System? Si30-408

2Introduction

1. What is a VRV System?

VRV System

Thirty or more indoor units can be connected to single system.

There are "cooling / heating selection -standard- type" and "individual operating system of

cooling and heating" according to type of the system.

One of the biggest characteristics is mounting of expansion valves ⊗to the indoor unit as

well as to the outdoor unit.

SkyAir, Residential Air Conditioner

Pair Type

Single indoor unit is connected to single outdoor unit.

(The expansion valve is mounted to the outdoor unit only.)

SKY AIR System for Simultaneous Operation (Twin, Triple, and Double-Twin)

These series are included in SkyAir. These types can be connected to two to four indoor

units to single system. However, the individual operation is not available, only the

simultaneous operation.

(The expansion valve is mounted to the outdoor unit only.)

Multi System for Individual Operation

Each indoor unit can be operated individually.

However, refrigerant piping is connected to each indoor unit using separate connecting

piping, not using halfway branch piping.

(The expansion valve is mounted to outdoor unit by each indoor unit.)

: Position of expansion valve

Si30-408 List of VRV Unit Models

Introduction 3

2. List of VRV Unit Models

2.1 List of Outdoor Unit Models

Type R22 C to H series R22 K series

Standarad Comp. Type

VRV Standard C series VRV for High outdoor temp (with unloader comp.)

Model Type

Service manual

Model Type

Service manual

—

RSC10,15C

—

Cooling only

—

(ES20-2)

RSNY8KTAL

Heat-pump Si-06

VRV Standard D series

Model Type

Service manual

RSCY10,15D

—

Heat-pump

—

Si-46A

—

VRV Standard G series

Model Type

Service manual

RSCY5,10

RSC5,10G

Heat-pump

Cooling only

Si-45F

VRV Standard F series

Model Type

Service manual

RSCY10,15F

RSC10,15F

Heat-pump

Cooling only

Si-46A

Small Capacity Inverter Type

VRV Inverter G series VRV Inverter K series

Model Type

Service manual

Model Type

Service manual

RSXY5-10G(J)

RSX8,10G(J)

RSEY8,10G(J)

Heat-pump

Cooling only

Heat recovery

Si-45F

RSXY5-10K

RSX5-10K

RSEY8,10K

Heat-pump

Cooling only

Heat recovery

Si-05C

—

VRV Inverter H series VRV Inverter KU series

Model Type

Service manual

Model Type

Service manual

RSXY5-10H(J)

RSX5-10H(J)

Heat-pump

Cooling only

Si-46C

RSX5-10KU Cooling only

Si-91

VRV Inverter KA series

Model Type

Service manual

RSX5-10KA Cooling only

Si-92

VRV Inverter K series (H/R with Scroll Comp.)

Model Type

Service manual

RSEY8-10KLY1

Heat recovery

Si-95

High COP

Inverter Type

Large Capacity Inverter Type

VRV Plus series

Model

Function unit

Inverter

Cnstant Speed

Type

Service manual

RXY16-30K

RX16-30K

REY16-30K

BL2 or 3K

BC2 or 3K

BR2 or 3K

RXY8 or 10K

RX8 or 10K

RXY8 or 10K

RNY8 or 10K

RN8 or 10K

RNY8 or 10K

Heat-pump

Cooling only

Heat recovery

Si-05C

Si-11

VRV Plus series for High outdoor temp

Model

Function unit

Inverter

Cnstant Speed

Condenser Type

Service manual

RXY16-30K-K

RX16-30K-K

BL2 or 3K

BC2 or 3K

RXY8 or 10K

RX8 or 10K

RNY8 or 10K

RN8 or 10K

RXE2 or 3K

Heat-pump

Cooling only

Si-94

VRV R22 Plus series

Model Main unit Sub unit Type

Service manual

RSXY16-30KA RXY8 or 10KA RXE8 or 10KA

Heat-pump Si33-101

VRV II series

Model Module Type

Service manual

RXY5-48M

RX5-48M

RXY8-16M

RX8-16M

Heat-pump

Cooling only

Si38-304

List of VRV Unit Models Si30-408

4Introduction

Type R-407C R410A

Standarad Comp. TypeSmall Capacity Inverter Type

VRV Inverter K series

Model Type

Service manual

RSXYP5-10KJY1

RSXP5-10KY1

Heat-pump

Cooling only

Si-90A

Si33-106

VRV Inverter K series (H/R with Scroll Comp.)

Model Type

Service manual

RSEYP8, 10KJY1

Heat-

Recovery

Si-96

High COP

Inverter Type

VRV High COP type L series

Model Type

Service manual

RSXYP5-10L

Heat-pump Si33-201

Large Capacity Inverter Type

VRV Plus series

Model Main unit Sub unit Type

Service manual

RSXYP16-30KJ

RSXP16-30K

RSEYP16-30KJ

RXYP8 or 10KJ

RXP8 to 20K

REYP8 or 20KJ

RXEP8 or 10KJ

RXEP8 to 10K

RXEP8 or 10KJ

Heat-pump

Cooling only

Heat recovery

Si33-002

Si33-103

Si33-105

VRV II series

Model Module Type

Service manual

RXYQ5-48M

REYQ5-48M

RXYQ5-16M

REYQ5-16M

Heat-pump

Heat recovery

Si39-302

Si39-404

Si39-306

Si30-408 List of VRV Unit Models

Introduction 5

2.2 Nomenclature

2.2.1 Nomenclature (Previous indication)

Indoor Unit

Power supply symbol

V1 : Single phase 220 to 240V, 50Hz

VE : Single phase 220 to 240V, 50Hz : 220V, 60Hz

VAL : Single phase 220V, 60Hz

Indicates major design category

KA : Models for ceiling mounted low silhouette duct type

Models for ceiling suspended type

KB : Models for super cassette

KJ : Models applied for EC regulation

KF : Outdoor air processing unit

Capacity Indication

Conversion to horsepower:

20 : 0.8 HP 50 : 2.0 HP 125 : 5 HP

25 : 1 HP 63 : 2.5 HP 200 : 8 HP

32 : 1.25 HP 80 : 3.2 HP 250 : 10 HP

40 : 1.6 HP 100 : 4 HP

Refrigerant type

No indication : R22

P : R407C

Type of unit

C : Ceiling mounted cassette type (Double flow)

F : Ceiling mounted cassette type (Multi flow) – Super cassette –

K : Ceiling mounted cassette corner type

D : Ceiling mounted low silhouette duct type (Low static pressure)

S : Ceiling mounted built-in type

B : Ceiling mounted built-in (Rear suction)

M : Ceiling mounted duct type or outdoor air processing unit

H : Ceiling suspended type

A : Wall mounted type

L : Floor standing type

LM : Concealed floor standing type

N : Concealed floor standing type

Indicates that this is a INVERTER SERIES indoor unit.

FX : Cooling Only

FXY : Heat Pump

C 40

FXY

(V1217)

List of VRV Unit Models Si30-408

6Introduction

Indoor Unit

Power supply symbol

V1 : Single phase 220 to 240V, 50Hz

Indicates major design category

B: New ceiling suspended cassette

K: Wall mounted type 40-63

Capacity Indication

Conversion to horsepower:

40 : 1.6HP 50 : 2.0HP 63 : 2.5HP

71 : 3 HP 100 : 4 HP 125 : 5 HP

Refrigerant : R407C

Type of unit

FUY : New ceiling suspended cassette type

FXYA : Wall mounted type 40-63

P 71

FUY

(V2863)

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