Daikin FTN25JXV1 User manual

TECHNICAL MANUAL

Split Unit Air Conditioner

Wall Mounted J Series

FTN-J, FTYN-J series

— Cooling only & Heatpump [50Hz] —

R410A

TM-5WM-J-ST-A2

Table of Contents

Nomenclature......................................................................................................................1

Indoor ............................................................................................................................1

Outdoor..........................................................................................................................1

Product Line-Up.............................................................................................................2

Application Information .....................................................................................................4

Operating Range...........................................................................................................4

Refrigerant Circuit Diagrams.........................................................................................5

Installation Guideline.....................................................................................................8

Sound Data........................................................................................................................12

Sound Pressure Level ................................................................................................12

NC Curve.....................................................................................................................13

Engineering & Physical Data...........................................................................................16

Performance Data.............................................................................................................20

Calculation Steps.........................................................................................................20

Performance Tables.....................................................................................................22

Outline & Dimension ........................................................................................................38

Wiring Diagram .................................................................................................................42

Service & Maintenance ....................................................................................................51

Troubleshooting ...............................................................................................................53

Nomenclature

Indoor

FT(Y) N 25 J X V1

Power Supply

V1: 1 phase 50 Hz 220-240V

Production

X: OYLM

Product Series

J: J Series

F: F Series

Capacity

25: 2500 Watt

Model

FT: Wall Mounted (Cooling Only)

FTY: Wall Mounted (Heatpump)

Refrigerant

R410A

Outdoor

R(Y) N 25 CJ X V1

Power Supply

V1: 1 phase 50 Hz 220-240V

Y1: 3 phase 50 Hz 380-415V

Production

X: OYLM

Product Series

F: F Series

CJ: CJ Series

CG: CG Series

Capacity

25: 2500 Watt

Model

R: Single Split Condensing Unit (Cooling Only)

RY: Single Split Condensing Unit (Heatpump)

Refrigerant

R410A

Nomenclature

Product Line-Up

Indoor Unit

FT(Y)N

Nomenclature

Classiﬁcation

Handset

PCB

Air Puriﬁcation

Grille

Others

BRC52A51

BRC52A61

LGSN

Saranet Filter

Negative Ionizer

Auto Restart

Oriﬁce Kit

COOLING

FTN25JXV1 X X X X X

FTN35JXV1 X X X X X

FTN50JXV1 X X X X X

FTN60JXV1 X X X X X

FTN80FXV1 X X X X

HEATPUMP

FTYN25JXV1 X X X X X

FTYN35JXV1 X X X X X

FTYN50JXV1 X X X X X

FTYN60JXV1 X X X X X

FTYN80FXV1 X X X

Nomenclature

Outdoor Unit

R(Y)N / RR / RQ

Nomenclature

Classiﬁcation

Refrigerant Control

Fin

Safety Devices

Compressor

Others

Cap Tube

TXV

Hydrophilic (Blue)

Hydrophilic (Gold)

Bare Aluminium

Contactor

High Pressure Switch

Low Pressure Switch

Phase Sequencer

Scroll

Rotary

Drain Elbow

COOLING

RN25CJXV1 X X X

RN25FXV1 X X X

RN35CJXV1 X X X

RN35FXV1 X X X

RN50CJXV1 X X X

RN50CJXY1 X X X X X

RN60CJXV1 X X X

RN60CJXY1 X X X X X

RR71CJXV1 X X X

RR71CJXY1 X X X X X

HEATPUMP

RYN20CJXV1 X X X X

RYN25CJXV1 X X X X

RYN35CJXV1 X X X X

RYN35CJHXV1 X X X X

RYN50CJXV1 X X X X

RYN50CJXY1 X X X X X X

RYN60CJXV1 X X X X

RYN60CJXY1 X X X X X X

RQ71CJXV1 X X X X

RQ71CJXY1 X X X X X X

Application Information

Operating Range

Ensure the operating temperature is in allowable range.

Cooling

The use of your air conditioner

outside the range of working

temperature and humidity can

result in serious failure.

Outdoor

DB (°C)

14 19 23 Indoor WB (°C)

Heating

The use of your air conditioner

outside the range of working

temperature and humidity can

result in serious failure.

Outdoor

WB (°C)

15 20 27 Indoor DB (°C)

-9

Application Information

Refrigerant Circuit Diagrams

Model: FTN25JXV1 – RN25CJXV1 / FTN35JXV1 – RN35CJXV1 / FTN50JXV1 – RN50CJXV1 /

FTN60JXV1 – RN60CJXV1 / FTN25JXV1 – RN25FXV1 / FTN35JXV1 – RN35FXV1

COOLING OPERATION

3 WAY

VALV E

DISCHARGE

ACCUMULATOR

COMPRESSOR

RETURN

AIR SENSOR

HEAT EXCHANGER

(INDOOR UNIT)

PIPE TEMPERATURE

SENSOR

2 WAY

VALV E COOLING CAP TUBE STRAINER

ACCESS

VALV E

HEAT EXCHANGER

(OUTDOOR UNIT)

INDOOR UNIT OUTDOOR UNIT

Model: FTN80FXV1 – RR71CXV1 / FTN80FXV1 – RR71CXY1

COOLING OPERATION

3 WAY

VALV E

DISCHARGE

ACCUMULATOR

COMPRESSOR

RETURN

AIR SENSOR

HEAT EXCHANGER

(INDOOR UNIT)

PIPE TEMPERATURE

SENSOR

3 WAY

VALV E

COOLING

CAP TUBE

STRAINER

ACCESS

VALV E

HEAT EXCHANGER

(OUTDOOR UNIT)

INDOOR UNIT OUTDOOR UNIT

Application Information

Model: FTYN20JXV1 – RYN20CGXV1

3 WAY

VALV E

PIPING

GAS

4 WAY VALVE

DISCHARGE

ACCUMULATOR

RETURN

AIR SENSOR

HEAT EXCHANGER

(INDOOR UNIT)

PIPE TEMPERATURE

SENSOR

PIPE TEMPERATURE

SENSOR

2 WAY

VALV E

PIPING

LIQUID

COOLING & HEATING

CAP TUBE

STRAINER

HEAT EXCHANGER

(OUTDOOR UNIT)

INDOOR UNIT OUTDOOR UNIT

COOLING OPERATION

HEATING OPERATION

COMPRESSOR

Model: FTYN25JXV1 – RYN25CJXV1

3 WAY

VALV E

PIPING

GAS

4 WAY VALVE

DISCHARGE

ACCUMULATOR

RETURN

AIR SENSOR

HEAT EXCHANGER

(INDOOR UNIT)

PIPE TEMPERATURE

SENSOR

PIPE TEMPERATURE

SENSOR

2 WAY

VALV E

PIPING

LIQUID

COOLING & HEATING

CAP TUBE

STRAINER

ACCESS

VALV E

STRAINER

HEAT EXCHANGER

(OUTDOOR UNIT)

INDOOR UNIT OUTDOOR UNIT

COOLING OPERATION

HEATING OPERATION

COMPRESSOR

Application Information

Model: FTYN35JXV1 – RYN35CJ(H)XV1 / FTYN50JXV1 – RYN50CJXV1 / FTYN60JXV1 – RYN60CJXV1

3 WAY

VALV E

PIPING

GAS

4 WAY VALVE

DISCHARGE

ACCUMULATOR

RETURN

AIR SENSOR

HEAT EXCHANGER

(INDOOR UNIT)

PIPE TEMPERATURE

SENSOR

PIPE TEMPERATURE

SENSOR

2 WAY

VALV E

PIPING

LIQUID

COOLING & HEATING

CAP TUBE

HEATING CAP TUBE

STRAINER

ACCESS

VALV E

CHECK VALVE

STRAINER

HEAT EXCHANGER

(OUTDOOR UNIT)

INDOOR UNIT OUTDOOR UNIT

COOLING OPERATION

HEATING OPERATION

COMPRESSOR

Model: FTYN80FXV1 – RQ71CXV1 / FTYN80FXV1 – RQ71CXY1

3 WAY

VALV E

PIPING

GAS

4 WAY VALVE

DISCHARGE

ACCUMULATOR

RETURN

AIR SENSOR

HEAT EXCHANGER

(INDOOR UNIT)

PIPE TEMPERATURE

SENSOR

PIPE TEMPERATURE

SENSOR

3 WAY

VALV E

PIPING

LIQUID

COOLING & HEATING

CAP TUBE

HEATING CAP

TUBE

STRAINER

ACCESS

VALV E

CHECK

VALV E

STRAINER

HEAT EXCHANGER

(OUTDOOR UNIT)

INDOOR UNIT OUTDOOR UNIT

COOLING OPERATION

HEATING OPERATION

COMPRESSOR

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