Daikin FL15EXV1 User manual

TECHNICAL MANUAL
Split Unit Air Conditioner
Ceiling Mounted C & E Series
FL-E, FH-C, FLY-E, FHY-C series
— Cooling only & Heatpump [50Hz] —
R22
00_Cover_FL(Y).indd i00_Cover_FL(Y).indd i 11/19/2012 10:37:27 AM11/19/2012 10:37:27 AM

DAIKIN_FL(Y).indb iiDAIKIN_FL(Y).indb ii 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

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 ................................................................................................... 11
Sound Data........................................................................................................................14
Sound Pressure Level .................................................................................................14
NC Curve.....................................................................................................................15
Engineering & Physical Data...........................................................................................19
Performance Data.............................................................................................................24
Calculation Steps.........................................................................................................24
Performance Tables.....................................................................................................26
Outlines & Dimensions ....................................................................................................47
Wiring Diagrams ...............................................................................................................51
Service & Maintenance ....................................................................................................69
Troubleshooting ...............................................................................................................71
DAIKIN_FL(Y).indb iiiDAIKIN_FL(Y).indb iii 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

Nomenclature
1
Nomenclature
Indoor
FL(Y) 15 E X V1
Power Supply
V1: 1 phase 50 Hz 220-240V
Production
X: OYLM
Product Series
C: C Series
E: E Series
Capacity
15: 15000 Btu/hr
Model
FL: Ceiling Convertible (Cooling Only)
FH: Ceiling Exposed (Cooling Only)
FLY: Ceiling Convertible (Heatpump)
FHY: Ceiling Exposed (Heatpump)
Outdoor
R(Y) 15 C X V1
Power Supply
V1: 1 phase 50 Hz 220-240V
Y1: 3phase 50 Hz 380-415V
Production
X: OYLM
Product Series
C: C Series
D: D Series
Capacity
15: 15000 Btu/hr
Model
R: Single Split Condensing Unit (Cooling Only)
RY: Single Split Condensing Unit (Heatpump)
DAIKIN_FL(Y).indb 1DAIKIN_FL(Y).indb 1 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

Nomenclature
2
Product Line-Up
Indoor Unit
FL(Y)/FH(Y)
Nomenclature
Classification
Handset PCB Fin Refrigerant Control Air Purification Others
BRC52A62 BRC52A61 L208A EC L208A AP Hydrophilic (Blue) Cap tube W/out Cap tube Washable Saranet Filter Ionizer Convertible
COOLING
FL15EXV1 XXXXXXX
FL20EXV1 XXXXXXX
FL25EXV1 XXXXXXX
FL28EXV1 X X X X X X X
FL35EXV1 X X X X X X X
FL40EXV1 X X X X X X X
FL50EXV1 X X X X X X X
FH62CXV1 X X X X X
HEATPUMP
FLY15EXV1 X X X X X X X
FLY20EXV1 X X X X X X X
FLY25EXV1 X X X X X X X
FLY28EXV1 X X X X X X X
FLY35EXV1 X X X X X X X
FLY40EXV1 X X X X X X X
FLY50EXV1 X X X X X X X
FHY62CXV1 X X X X X
DAIKIN_FL(Y).indb 2DAIKIN_FL(Y).indb 2 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

Nomenclature
3
Outdoor Unit
R(Y)
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 Rotary Scroll Drain Elbow
COOLING
R15CXV1 X X X
R15CGXV1 X X X
R20CXV1 X X X
R20CGXV1 X X X
R25CXV1 X X X
R25CGXV1 X X X
R28CXV1 X X
R28CGXV1 X X
R30DXV1 X X X X X
R30DGXV1 X X X X X
R35DXV1 X X X X X
R35DGXV1 X X X X X
R40DXV1 X X X X X
R40DGXV1 X X X X X
R40DXY1 X X X X X X
R40DGXY1 X X X X X X
R50DXY1 X X X X X X
R50DGXY1 X X X X X X
R61DXY1 X X X X X X
R61DGXY1 X X X X X X
HEATPUMP
RY15CXV1 X X X X
RY15CGXV1 X X X X
RY18CXV1 X X X X
RY18CGXV1 X X X X
RY20CXV1 X X X X
RY20CGXV1 X X X X
RY25CXV1 X X X X
RY25CGXV1 X X X X
RY28CXV1 X X X X
RY28CGXV1 X X X X
RY30DXV1 X X X X X X X
RY30DGXV1 X X X X X X X
RY35DXV1 X X X X X X X
RY35DGXV1 X X X X X X X
RY40DXV1 X X X X X X
RY40DGXV1 X X X X X X
RY40DXY1 X X X X X X X
RY40DGXY1 X X X X X X X
RY50DXY1 X X X X X X X
RY50DGXY1 X X X X X X X
RY61DXY1 X X X X X X X
RY61DGXY1 X X X X X X X
DAIKIN_FL(Y).indb 3DAIKIN_FL(Y).indb 3 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

4
Application Information
Application Information
Operating Range
Ensure the operating temperature is in allowance 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
DAIKIN_FL(Y).indb 4DAIKIN_FL(Y).indb 4 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

5
Application Information
Refrigerant Circuit Diagrams
Model: FL15EXV1 – R15CXV1 / FL20EXV1 – R20CXV1
COOLING OPERATION
3 WAY
VALVE
DISCHARGE
ACCUMULATOR
COMPRESSOR
RETURN
AIR SENSOR
HEAT EXCHANGER
(INDOOR UNIT)
PIPE TEMPERATURE
SENSOR
2 WAY
VALVE
COOLING
CAP TUBE
STRAINER
HEAT EXCHANGER
(OUTDOOR UNIT)
INDOOR UNIT OUTDOOR UNIT
Model: FL25EXV1 – R25CXV1
COOLING OPERATION
INDOOR UNIT OUTDOOR UNIT
RETURN
AIR SENSOR
HEAT EXCHANGER
(INDOOR UNIT)
PIPE TEMPERATURE
SENSOR
3 WAY
VALVE
DISCHARGE
ACCUMULATOR
COMPRESSOR
3 WAY
VALVE
COOLING
CAP TUBE
STRAINER
HEAT EXCHANGER
(OUTDOOR UNIT)
DAIKIN_FL(Y).indb 5DAIKIN_FL(Y).indb 5 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

6
Application Information
Model: FL28EXV1 – R28CXV1
COOLING OPERATION
INDOOR UNIT OUTDOOR UNIT
RETURN
AIR SENSOR
HEAT EXCHANGER
(INDOOR UNIT)
PIPE TEMPERATURE
SENSOR
DISCHARGE
ACCUMULATOR
COMPRESSOR
3 WAY
VALVE
3 WAY
VALVE
COOLING
CAP TUBE
STRAINER
HEAT EXCHANGER
(OUTDOOR UNIT)
Model: FL28EXV1 – R30DXV1 / FL35EXV1 – R35DXV1 / FL40EXV1 – R40DXV1 / FL40EXV1 – R40DXY1 /
FL50EXV1 – R50DXY1
COOLING OPERATION
INDOOR UNIT OUTDOOR UNIT
DISCHARGE
ACCUMULATOR
LOW
PRESSURE
SWITCH
HIGH
PRESSURE
SWITCH
3 WAY
VALVE
3 WAY
VALVE
RETURN
AIR SENSOR
HEAT EXCHANGER
(INDOOR UNIT)
PIPE TEMPERATURE
SENSOR
CAP TUBE STRAINER
HEAT EXCHANGER
(OUTDOOR UNIT)
COMPRESSOR
DAIKIN_FL(Y).indb 6DAIKIN_FL(Y).indb 6 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM

7
Application Information
Model: FH62CXV1 – R61DXY1
COOLING OPERATION
INDOOR UNIT OUTDOOR UNIT
ACCUMULATOR
LOW
PRESSURE
SWITCH
HIGH
PRESSURE
SWITCH
3 WAY
VALVE
RETURN
AIR SENSOR
HEAT EXCHANGER
(INDOOR UNIT)
PIPE TEMPERATURE
SENSOR
CAP TUBE
STRAINER
HEAT EXCHANGER
(OUTDOOR UNIT)
DISCHARGE
COMPRESSOR
3 WAY
VALVE
Model: FLY15EXV1 – RY15CXV1 / FLY20EXV1 – RY20CXV1
COOLING OPERATION
HEATING OPERATION
INDOOR UNIT OUTDOOR UNIT
RETURN
AIR SENSOR
HEAT EXCHANGER
(INDOOR UNIT)
PIPE TEMPERATURE
SENSOR
PIPE TEMPERATURE
SENSOR
COOLING & HEATING
CAP TUBE
STRAINER STRAINER
HEAT EXCHANGER
(OUTDOOR UNIT)
HEATING CAP
TUBE
CHECK
VALVE
3 WAY
VALVE
PIPING
GAS
PIPING
LIQUID
2 WAY
VALVE
DISCHARGE
4 WAY VALVE
ACCUMULATOR
COMPRESSOR
DAIKIN_FL(Y).indb 7DAIKIN_FL(Y).indb 7 9/27/2012 12:13:18 PM9/27/2012 12:13:18 PM