Daikin FWW Series User manual

TECHNICAL MANUAL
Chilled Water Fan Coil Units
FWW, FWKE, FWC, FUD Series
FWW-L FWKE-E
FWC-C FUD-B
TM-FCUW-PHB2
FWC-GFWC-G EC

Table of Contents
Table of Contents
Nomenclature......................................................................................................................1
Product Line-Up.............................................................................................................1
Application Information .....................................................................................................6
Operating Limits ............................................................................................................6
Installation Guide...........................................................................................................8
Sound Data........................................................................................................................21
Sound Pressure Level .................................................................................................21
Sound Power Level .....................................................................................................26
NC Curve.....................................................................................................................31
Selection Process.............................................................................................................52
Fan Performance Curve ..............................................................................................54
Engineering & Physical Data...........................................................................................88
Outlines & Dimensions ..................................................................................................102
Wiring Diagrams .............................................................................................................116
Service & Maintenance ..................................................................................................124
Troubleshooting .............................................................................................................125

Table of Contents
ii

Nomenclature
1
Nomenclature
FWW 02 ABL - K C E
Specication
E: Cooling Only
H: Cooling and Heating
Revision
AA: Revision 1
AB: Revision 2
Market
C: Export with CE Mark
E: Export without CE Mark
Power Supply
A: 220-240V/1Ph/50Hz
F: 380-415V/3Ph/50Hz
K: 208-230V/1Ph/60Hz
Product Series
L: L series (for FWW)
D: D series (for FWE)
E: E series (for FWE)
Size
02: 2 kW*
03: 3 kW*
Fan Coil Unit Type
FWW: Wall Mounted
FWE: Ceiling Convertible / Ceiling Exposed
FWK 06 AAE - K C C
Specication
C: AC Motor Cooling and Heating
D: DC Motor Cooling and Heating
Revision
AA: Revision 1
AB: Revision 2
Market
C: Export with CE Mark
E: Export without CE Mark
Power Supply
A: 220-240V/1Ph/50Hz
F: 380-415V/3Ph/50Hz
K: 208-230V/1Ph/60Hz
Product Series
C: C series (for FWF)
E: E series (for FWK/FWKE)
EH: EH series (for 4 Pipes FWK/FWKE)
Size
06: 6 kW*
08: 8 kW*
Fan Coil Unit Type
FWF: Ceiling Cassette (600x600)
FWK: Ceiling Cassette (900x900)
FWKE: Ceiling Cassette (900x900) DC Motor
Remark:
* : Capacity value under Nomenclature is an indication.
Please refer to Engineering and Physical Data for exact capacity value

Nomenclature
2
FWC 03 C - K C A A A
Water Pipe Connection
A: Right Piping
B: Left Piping
Revision
A: Revision 1
B: Revision 2
Controller
A: With Controller
N: Without Controller
Power Supply
A: 220-240V/1Ph/50Hz
F: 380-415V/3Ph/50Hz
K: 208-230V/1Ph/60Hz
Product Series
C: C series
Size
03: 3 kW*
04: 4 kW*
Fan Coil Unit Type
FWC: Ceiling Concealed
MArket
C: Export with CE Mark
E: Export without CE Mark
FUD 20 B - K C N P A
Water Pipe Connection
P: Right Piping
Q: Left Piping
Air Discharge Direction
A: Horizontal
B: Vertical
Controller
N: Without Controller
Power Supply
A: 220-240V/1Ph/50Hz
F: 380-415V/3Ph/50Hz
K: 208-230V/1Ph/60Hz
Product Series
B: B series
Size
20: 20 kW*
25: 25 kW*
Fan Coil Unit Type
FUD: Ducted Blower
Market
C: Export with CE Mark
E: Export without CE Mark
Remark:
* : Capacity value under Nomenclature is an indication.
Please refer to Engineering and Physical Data for exact capacity value

Nomenclature
3
Remark:
* : Air Flow Rate value under Nomenclature is an indication.
Please refer to Engineering and Physical Data for exact capacity value
Note:
Please consult factory for customised enquiry.
FWC 10 G - K E 5 C X X A X D A
Fan Coil Unit Type
FWC: Ceiling Concealed
Size
10: 1000CFM*
Product Series
G: G series
Power Supply
K: 208-230V/1Ph/60Hz
W: 208-230V/1Ph/50Hz
208-230V/1Ph/60Hz
Market
E: Export w/o Marking
External Static Pressure
3: 30Pa
5: 50Pa
8: 75-80Pa
Coil & Water Pipe Connection
C: Right Piping
D: Left Piping
Return Air Plenum & Filter
Removal
X: Without Return Plenum &
Without Filter Removal
S: Rear Return & Side Filter
Removal
Filter
X: No Filter
H: 1’’ Aluminium Filter
F: 8mm Saranet Filter
A: 8mm Aluminium Filter
Drain Pan Material & Length
A: Galvanised Steel & Standard
Length
B: Galvanised Steel & Extended
100mm
E: Stainless Steel & Standard
Length
F: Stainless Steel & Extended
100mm
Motor/Control Module/Wired
Controller
X: AC/Without Control Module/
Without Wired Controller
Revision
A: Revision 1
B: Revision 2
Insulation Material/Thickness
D: PE (10mm)
G: PE (20mm)
K: NBR (10mm)
R: NBR (20mm)

Nomenclature
4
Product Line-Up
Chilled Water Fan Coil Units
Model
Classication
PCB Handset Control Connection Air Discharge Filter
50WJWXX* UCW_W2.0* W3* W3DC* Without Controller BRC52A BRC51A Auto Air Swing Turbo Quiet 1/2” BSP Female Thread Adaptor 3/4” BSP Female Thread Adaptor 1 1/4” BSP Female Thread Adaptor Horizontal Flow Vertical Flow Convertible Saranet Filter Viledon R29
FWW03L X X X X X X X
FWW04L X X X X X X X
FWW05L X X X X X X X
FWW06L X X X X X X X
FWKE05E(H) X X X X X XX
FWKE08E(H) X X X X X XX
FWKE11E(H) X X X X X XX

Nomenclature
5
Model
Classication
PCB Handset Control Connection Air Return Air Discharge Filter
50WJWXX* UCW_W2.0* W3* W3DC* Without Controller BRC52A BRC51A Auto Air Swing Turbo Quiet 3/4” BSPT Female Thread Adaptor 3/4” BSP Female Thread Adaptor 1” BSPT Female Thread Adaptor 1 1/4” BSP Female Thread Adaptor Horizontal Flow Vertical Flow Convertible Rear Return Bottom Return Convertible Saranet Filter Viledon R29
FWC03C X X X X X X
FWC04C X X X X X X
FWC06C X X X X X X
FWC07C X X X X X X
FWC09C X X X X X X
FWC12C XXX X X X
FWC14C XXX X X X
FWC16C X X X X X X
FWC03G X X X X
FWC04G X X X X
FWC06G X X X X
FWC08G X X X X
FWC10G X X X X
FWC12G X X X X
FWC14G X X X X
FWC16G X X X X
FWC18G X X X X
FWC20G X X X X
FUD20B X X X X X
FUD25B X X X X X
FUD30B X X X X X
* PCB naming
** Standard Model, optional items please refer to Nomenclature.

6
Application Information
Application Information
Model: FWW
Operating Limits:
Thermal carrier : Water
Water temperature : 4°C ~ 10°C (Cooling), 35°C ~ 50°C (Heating)
Maximum water pressure : 16 bar
Air temperature : (as below)
Cooling Mode
Temperature Ts °C/°F Th °C/°F
Minimum indoor
temperature 19.0 / 66.2 14.0 / 57.2
Maximum indoor
temperature 32.0 / 89.6 23.0 / 73.4
Heating Mode
Temperature Ts °C/°F Th °C/°F
Minimum indoor
temperature 15.0 / 59.0 -
Maximum indoor
temperature 27.0 / 80.6 -
Ts: Dry bulb temperature. Th: Wet bulb temperature.
Model: FWKE
Operating Limits:
Thermal carrier : Water
Water temperature : 4°C ~ 10°C (Cooling), 35°C ~ 50°C (2 Pipes) (Heating), 35°C ~ 70°C (4 Pipes) (Heating)
Maximum water pressure : 16 bar
Air temperature : (as below)
Cooling Mode
Temperature Ts °C/°F Th °C/°F
Minimum indoor
temperature 16.0 / 60.8 11.0 / 51.8
Maximum indoor
temperature 32.0 / 89.6 23.0 / 73.4
Heating Mode
Temperature Ts °C/°F Th °C/°F
Minimum indoor
temperature 16.0 / 60.8 -
Maximum indoor
temperature 30.0 / 86.0 -
Ts: Dry bulb temperature. Th: Wet bulb temperature.
Model: FWC-C
Operating Limits:
Thermal carrier : Water
Water temperature : 4 ~ 10°C (Cooling), 35°C ~ 50°C (Heating)
Maximum water pressure : 16 bar
Air temperature : (as below)
Cooling Mode
Temperature Ts °C/°F Th °C/°F
Minimum indoor
temperature 19.0 / 66.2 14.0 / 57.2
Maximum indoor
temperature 32.0 / 89.6 23.0 / 73.4
Heating Mode
Temperature Ts °C/°F Th °C/°F
Minimum indoor
temperature 15.0 / 59.0 -
Maximum indoor
temperature 27.0 / 80.6 -
Ts: Dry bulb temperature. Th: Wet bulb temperature.