Daikin FTXN25MV1B Manual de usuario
TECHNICAL MANUAL
Split Unit Air Conditioner
Inverter Multi Split Series
MX-B Series
— Cooling only & Heatpump [50Hz] —
TM-5MSY-B-ST-A1
R410A
Table of Contents
i
Table of Contents
Nomenclature......................................................................................................................1
Indoor ............................................................................................................................1
Outdoor..........................................................................................................................2
Product Line-Up.............................................................................................................3
Application Information.....................................................................................................6
Operating Range ...........................................................................................................6
Refrigerant Circuit Diagrams .........................................................................................7
Installation Guideline .....................................................................................................8
Engineering & Physical Data...........................................................................................20
Performance Data.............................................................................................................23
Outline & Dimension........................................................................................................26
Wiring Diagram.................................................................................................................30
Service & Maintenance ....................................................................................................36
Troubleshooting ...............................................................................................................38
ii
Nomenclature
1
Nomenclature
Indoor
FT(X) N 25 MV1 B
Region
Power Supply Symbol
V1: 1 Phase 50 Hz 240V
Generation/Series
M: M series
L: L Series
Capacity Indication
25: 2,500 kW
* It might differ with the actual rated capacity.
Always refer to engineering & physical data or
performance table
Refrigerant
N: R410A
Model
FT: Wall Mounted (Cooling Only)
FTX: Wall Mounted Inverter (Heatpump)
FLQ 100 E X V1
Power Supply Symbol
V1: 1 Phase 50 Hz 240V
Production
X: OYLM
Product Series
C: C series
E: E series
Capacity Indication
100: 10000 W
* It might differ with the actual rated capacity.
Always refer to engineering & physical data or
performance table
Model
FCQ: Ceiling Cassette 3ft x 3ft
FFQ: Ceiling Cassette 2ft x 2ft
FDMQ: Ceiling Concealed
FLQ: Ceiling Exposed
FHQ: Ceiling Exposed (140CXV1 model only)
Nomenclature
2
Outdoor
2MX 45 B G X V1
Power Supply Symbol
V1: 1 Phase 50 Hz 220~240V
Production
X: OYLM
Capacity Indication
45: ≈13,650 Btu/h [4kW]
50: ≈18,400 Btu/h [5.4kW]
60: ≈22,200 Btu/h [6.5kW]
80: ≈26,100 Btu/h [7.65kW]
* It might differ with the actual rated capacity.
Always refer to engineering & physical data or
performance table
Multi Split Inverter (Heatpump)
Indoor Quantity
2: 2 Indoor Units
3: 3 Indoor Units
4: 4 Indoor Units
Generation Minor Changes
Generation/Series
Nomenclature
3
Product Line-Up
Indoor Unit: Wall mounted
FTXN-MV1 Series
Model
Classification
Panel (Handset)
PCB
Fin
Refrigerant Control
Air Purification
Others
BRC52A61
C_2_01A-M
Hydrophilic (Blue)
Expansion Device
Without Expansion Device
Saranet Filter
Without Air Filter
Auto restart
Heatpump
FTXN25MV1B X X X X X X
FTXN45MV1B X X X X X X
FTXN50MV1B X X X X X X
Indoor Unit: Ceiling Cassette
FFQ-CXV1 / FCQ-EXV1 Series
Model
Classification
Panel (Handset)
PCB
Fin
Refrigerant Control
Air Purification
Others
BYCQ20CXW (BRC52A61)
C_2_01A-M
Hydrophilic (Blue)
Expansion Device
Without Expansion Device
Saranet Filter
Without Air Filter
Auto restart
Heatpump
FFQ25CXV1 X X X X X X
FFQ35CXV1 X X X X X X
FFQ50CXV1 X X X X X X
Nomenclature
4
Indoor Unit: Ceiling Concealed
FDMQ-C(2)XV1 Series
Model
Classification
Panel (Handset)
PCB
Fin
Refrigerant Control
Air Purification
Others
BRC51A61
C_2_01A-M
Hydrophilic (Blue)
Expansion Device
Without Expansion Device
Saranet Filter
Without Air Filter
Auto restart
Heatpump
FDMQ25C2XV1 X X X X X X
FDMQ35CXV1 X X X X X X
FDMQ50CXV1 X X X X X X
Indoor Unit: Ceiling Mounted
FLQ-EXV1 Series
Model
Classification
Panel (Handset)
PCB
Fin
Refrigerant Control
Air Purification
Others
BRC52A61
C_2_01A-M
Hydrophilic (Blue)
Expansion Device
Without Expansion Device
Saranet Filter
Without Air Filter
Auto restart
Heatpump
FLQ35EXV1 X X X X X X
FLQ50EXV1 X X X X X X
Nomenclature
5
Outdoor Unit
MX-B Series
Model
Classification
Compressor
Fin
Refrigerant Control
Others
Others
DC Inverter Swing
Hydrophilic (Blue)
Expansion Device
Without Expansion Device
Drain Elbow
Drain Elbow
Heatpump
2MX45BGXV1 X X X X X
2MX50BGXV1 X X X X X
3MX60BGXV1 X X X X X
4MX80BGXV1 X X X X X
6
Application Information
Application Information
Operating Range
Ensure the operating temperature is in allowable range.
Heatpump - 2MX50BGXV1 / 3MX60BGXV1 / 4MX80BGXV1
Heating
Outdoor WB (°C)
Indoor DB (°C)
Cooling
Outdoor DB (°C)
Indoor WB (°C)
-16
15 20 27
18
46
43
10
12 2319
10
Heatpump - 2MX45BGXV1
Heating
Outdoor WB (°C)
Indoor DB (°C)
-16
15 20 27
18
10
Cooling
Outdoor DB (°C)
Indoor WB (°C)
12 19 23
46
43
10
The use of your air conditioner
outside the range of working
temperature and humidity can result
in serious failure.
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