Daikin FXZQ-MVE Reference manual

technical data

Systems

Introduction

• Systems • Introduction

• Introduction

IIntroduction

Table of contents

1Possible indoor units using R-410A..........................................................................2

2Possible outdoor units using R-410A......................................................................3

Indoor unit capacity index.............................................................................................................................3

3Nomenclature

Indoor units.............................................................................................................................................................4

Outdoor units ........................................................................................................................................................5

4 line-up..........................................................................................................6

5 technology ...............................................................................................7

6Main features

Creating maximum comfort......................................................................................................................10

Energy efficient solution..............................................................................................................................13

High reliability .....................................................................................................................................................16

Eco friendly...........................................................................................................................................................18

Easy and flexible design................................................................................................................................19

Simple and rapid installation.....................................................................................................................22

7Selection procedure

Selection procedure System based on cooling load..................................................................26

Capacity correction ratio .............................................................................................................................29

Refnet pipe system..........................................................................................................................................37

Refnet pipe selection .....................................................................................................................................39

• Introduction

• Systems • Introduction

1Possible indoor units using R-410A

Description Indoor unit Size

20 25 32 40 50 63 80 100 125 200 250

4-way blow ceiling mounted cassette (600 mm x 600 mm) FXZQ-MVE xxxxx

4-way blow ceiling mounted cassette FXFQ-M7V1B xxxxxxxxx

2-way blow ceiling mounted cassette FXCQ-M7V1B xxxxxxx x

Ceiling mounted corner cassette FXKQ-MVE x x x x

Concealed ceiling unit FXSQ-M7V1B xxxxxxxxx

Concealed ceiling unit (large) FXMQ-MVE xxxxxxxx

Concealed ceiling unit (small) FXDQ-M7V1B x x

Wall mounted unit FXAQ-MVE xxxxxx

Ceiling suspended unit FXHQ-MVE x x x

Floor standing unit FXLQ-MVE xxxxxx

Concealed floor standing unit FXNQ-MVE xxxxxx

• Systems • Introduction

• Introduction

2Possible outdoor units using R-410A

2-1 Indoor unit capacity index

NOTE

1e.g. Selected indoor units: FXCQ25 + FXFQ100 + FXMQ200 + FXSQ40

Connection ratio: 25 + 100 + 200 + 40 = 365

→

Possible outdoor unit: RXYQ12M

VRV II heat pump Fixed combinations Nr. of outdoors Nr. of compressors Nr. of connectable indoor units Minimum capacity index Maximum capacity index

RXYQ5M RXYQ5M 1 1 8 63 163

RXYQ8M RXYQ8M 1 2 13 100 260

RXYQ10M RXYQ10M 1 2 16 125 325

RXYQ12M RXYQ12M 1 2 20 150 390

RXYQ14M RXYQ14M 1 3 20 175 455

RXYQ16M RXYQ16M 1 3 20 200 520

RXYQ18M RXYQ8M + RXYQ10M 2 4 20 225 585

RXYQ20M RXYQ10M x 2 2 4 20 250 650

RXYQ22M RXYQ10M + RXYQ12M 2 4 22 275 715

RXYQ24M RXYQ10M + RXYQ14M 2 5 32 300 780

RXYQ26M RXYQ10M + RXYQ16M 2 5 32 325 845

RXYQ28M RXYQ12M + RXYQ16M 2 5 32 350 910

RXYQ30M RXYQ14M + RXYQ16M 2 6 32 375 975

RXYQ32M RXYQ16M x 2 2 6 32 400 1,040

RXYQ34M RXYQ10M x 2 + RXYQ14M 3 7 34 425 1,105

RXYQ36M RXYQ10M x 2 + RXYQ16M 3 7 36 450 1,170

RXYQ38M RXYQ10M + RXYQ12M + RXYQ16M 3 7 38 475 1,235

RXYQ40M RXYQ10M + RXYQ14M + RXYQ16M 3 8 40 500 1,300

RXYQ42M RXYQ10M + RXYQ16M x 2 3 8 40 525 1,365

RXYQ44M RXYQ12M + RXYQ16M x 2 3 8 40 550 1,430

RXYQ46M RXYQ14M + RXYQ16M x 2 3 9 40 575 1,495

RXYQ48M RXYQ16M x 3 3 9 40 600 1,560

Model 20 25 32 40 50 63 80 100 125 200 250

Capacity index 20 25 31.25 40 50 62.5 80 100 125 200 250

• Introduction

• Systems • Introduction

3Nomenclature

3-1 Indoor units

V1M40S Q BFX

Power supply symbol

V1: 1~, 230V, 50Hz

VE: 1~, 220-240V, 50Hz

Special series for Europe (CE approved)*

M: Indicates major design category

M7: Indicates DENV production

Capacity Indication

Conversion to horsepower:

Indicates use with ozone friendly refrigerant R-410A

20: 0.8HP

25: 1HP

32: 1.25HP

40: 1.6HP

50: 2.0HP

63: 2.5HP

80: 3.2HP

100: 4HP

125: 5HP

200: 8HP

250: 10HP

Model name

Z: 4-way blow ceiling mounted cassette (600x600mm)

F: 4-way blow ceiling mounted cassette

C: 2-way blow ceiling mounted cassette

K: Ceiling mounted corner cassette

S: Concealed ceiling unit

D: Concealed ceiling unit (small)

M: Concealed ceiling unit (large)

H: Ceiling suspended unit

A: Wall mounted unit

L: Floor standing unit

LM: Concealed floor standing unit

Indicates that this is an INVERTER HEAT PUMP/COOLING ONLY

or a HEAT RECOVERY indoor unit

* B is not mandatory for indoor units

• Systems • Introduction

• Introduction

3Nomenclature

3-2 Outdoor units

•VRVII heat pump

RX Y Q 8 M7 W1 B

Special series for Europe (CE approved)

Power supply symbol:

W1: 3N~, 400V, 50Hz

M7, M: indicates major design category (internal company symbol)

5: 5HP 12:12HP

8: 8HP 14:14HP

10: 10HP 16:16HP

Indicates the use of ozone friendly refrigerant R-410A

Indicates heat pump (year around)

RX: indicates that this is an INVERTER outdoor unit

• Introduction

• Systems • Introduction

4 line-up

5HP 22-24-26HP

28-30-32HP

34-36HP

38-40-42HP

44-46-48HP

8-10HP

12-14-16HP

18-20HP

• Systems • Introduction

• Introduction

5 technology



Reluctance brushless DC Compressor

The reluctance brushless DC motor provides significant increases in efficiency compared to conventional AC inverter motors, simultaneously using

2 different forms of torque (normal and reluctance torque) to produce extra power from small electric currents.

The motor comprises powerful neodymium magnets, that create the reluctance torque. These magnets ar approximately 12 times stronger than ferrite

magnets and make a major contribution to its energy saving characteristics.

Secret to raising energy-efficiency! Powerful neodymium magnets



Sine Wave DC inverter

Optimizing the sine wave curve, results in smoother motor rotation and improved motor efficiency.













First in the

industry

Rotating

Stator

Field

Iron

Neodymium magnet

"Normal" torque

Reluctance torque

Low pressure side

Suction

Scroll

Discharge

Reluctance

DC Motor

High pressure side

Ferrite magnet

Neodymium magnet

Neodymium magnet is

12 times more powerful

than the widely used

ferrite magnets

• Introduction

• Systems • Introduction

5 technology



DC fan motor

The use of a DC fan motor offers substantial improvements in operating efficiency compared to conventional AC motors, especially during low speed

rotation.



Aero fitting grill & aero spiral fan

These new features achieve a low noise fan with a large airflow, and realize a compact casing together with the compressor linking technology.



e-Bridge circuit

Prevents accumulation of liquid refrigerant in the condenser. This results in more efficient use of the condenser surface under any circumstance and

leads in turn to better energy efficiency.

An increase in evaporative capacity systems from the newly developed refrigeration circuit, known as the SCe-bridge circuit, which adds super cooling

prior to the expansion cycle. By adopting this circuit, the COPs in both cooling and heating have been drastically improved.

First in the

industry

DC motor

DC motor efficiency

(comparison with a conventional AC motor)

AC motor

Efficiency (%)

100

0200 300 400 500 600 700 800 900 1000

Motor speed (rpm)

DC fan motor structure

magnet

NEW

Aero spiral fan

Bending the fan blade

edge reduces turbulence,

resulting in less pressure

loss.

Aero fitting grille

New shape promotes a

spiral discharge airflow,

resulting in reduced

pressure loss.

First in the

industry

Evaporative capacity can be

raised by taking super cooling

just before the electronic

expansion valve

By the SCe- bridge circuit,

cooling and heating attain the

improvement in COP

Evaporative-capacity has been improved by adopting the SCe-Bridge Circuit.

SCe-Bridge Circuit

Current

Evaporative-capacity

• Systems • Introduction

• Introduction

5 technology



e-Pass heat exchanger

Optimization of the path layout of the heat exchanger prevents heat transferring from the overheated gas section towards the sub cooled liquid section

- a more efficient use of the heat exchanger.



i-Demand function

The newly introduced current sensor minimizes the difference between the actual power consumption and the predefined power consumption.



Compact aero box

Lower noise and savings in input power are achieved by stacking the inverter and control PCBs within a new and more compact ‘aero’ box.

First in the

industry

in 85°C

out 45°C

Current Model

In cooling mode, the heat exchanger of the condensor is improved. This means an improvement of COP by 3%.

HD Type

27°C55°C

55°C37°C

55°C

50°C

27°C

in 85°C

out 45°C

27°C43°C

60°C

55°C

27°C

8:00

Power

consumption (KVV)

Time

12:00 16:00 20:00

NEW

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