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
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
1
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
2
Product Line-Up
Indoor Unit
FT(Y)N
Nomenclature
Classification
Handset PCB Air Purification Grille Others
BRC52A51 BRC52A61 L2 LGSN Saranet Filter Negative Ionizer A 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
3
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

4
Application Information
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)
46
43
19
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)
18
15 20 27 Indoor DB (°C)
10
-9

5
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

6
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
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

7
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