Technical Data Manual
3WAY VRF SYSTEM Unit Specifi cations
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1. Outdoor Unit
Unit Specifi cations (8)
MODEL NAME
3WAY SYSTEM Capacity Control Outdoor Unit <24-Ton>
GENERAL MODEL No.
WU-288MF1U9, WU-288MF1U9E
COMPONENT OUTDOOR UNIT
U-96MF1U9(E*) U-96MF1U9(E*) U-96MF1U9(E*)
SOURCE
208-230V/3N/60Hz 208-230V/3N/60Hz 208-230V/3N/60Hz
PERFORMANCE
Cooling capacity BTU / h (kW) 288,000 (84.4)
Heating capacity BTU / h (kW) 324,000 (94.9)
UNIT DIMENSIONS
Height in. (mm) 82-9/16 (2097)
Width in. (mm) 113 (2870)
Depth in. (mm)
Ceiling dimension : 35 ~ +2-3/8
(890 ~ +60)
Net weight lbs. (kg) 672 (305) 672 (305) 672 (305)
Color (Munsell code) Silky shade (1Y 8.5 / 0.5)
ELECTRICAL RATINGS
Voltage rating V 208 230
Cooling
Running amperes A 69.5 64.7
Power input kW 23.3 23.3
Power factor % 92.8 90.2
Heating
Running amperes A 76.2 71.0
Power input kW 25.8 25.8
Power factor % 94.0 91.2
Starting amperes A 191 183
COMPRESSOR
Type - Q'ty
Inverter driven Rotary type x 1
+ Fixed Speed Scroll type x 1
Inverter driven Rotary type x 1
+ Fixed Speed Scroll type x 1
Inverter driven Rotary type x 1
+ Fixed Speed Scroll type x 1
Motor output kW 2.7 + 3.75 2.7 + 3.75 2.7 + 3.75
Refrigeration oil
Type FV68S (Ether oil)
Charge amount gal 1.96 (7.4 liters) 1.96 (7.4 liters) 1.96 (7.4 liters)
Crankcase heater W 25 + 32 25 + 32 25 + 32
Capacity control % –
Refrigerant amount at shipment lbs. (kg)
R410A - 25.9 (11.8) R410A - 25.9 (11.8) R410A - 25.9 (11.8)
Refrigerant control
Electronic expansion valve
Defrost method
Reverse-cycle defrost, outdoor unit cycle defrost
Heat exchanger
Aluminum plate fin / Copper tube
FAN DEVICE
Type - Q'ty Propeller fan x 1 Propeller fan x 1 Propeller fan x 1
Air circulation CFM 5,650 5,650 5,650
External static pressure in.WG 0 0 0
Motor output (No. of poles) kW 0.7/8P 0.7/8P 0.7/8P
Protective devices High pressure switch, overcurrent (CT method)
TUBING
Refrigerant tubing
Suction tube in. (mm) ø1-3/8 (ø34.92) (Brazing)
Discharge tube in. (mm) ø1-1/8 (ø28.58) (Brazing)
Liquid tube in. (mm) ø3/4 (ø19.05) (Brazing)
Balance tube in. (mm) ø3/8 (ø9.52) (Flare nut)
Drain port
–
External air temperature operation range °F Cooling: 14 ~ 113 °F (DB) Heating: -4 ~ 59 (WB)
Operation sound (Hi) dB-A 58.0 (Quiet mode: 55.0)
Primary accessories
Connection tubing
ø1-1/8 (ø28.58) - ø3/4 (ø19.05)
ø7/8 (ø22.22) - ø3/4 (ø19.05)
ø3/4 (ø19.05) - ø5/8 (ø15.88)
Connection tubing
ø1-1/8 (ø28.58) - ø3/4 (ø19.05)
ø7/8 (ø22.22) - ø3/4 (ø19.05)
ø3/4 (ø19.05) - ø5/8 (ø15.88)
Connection tubing
ø1-1/8 (ø28.58) - ø3/4 (ø19.05)
ø7/8 (ø22.22) - ø3/4 (ø19.05)
ø3/4 (ø19.05) - ø5/8 (ø15.88)
* Outdoor unit model name ended with the letter “E”
Refer to the Section 1 “3. Salt-Air Damage Resistant Specifications.”
*1 If the tubing length (LA) is less than 16.4 feet, it is recommended that the suction tube be increased by 1 rank.
Rated conditions
Performance, electrical characteristics values and operating sound are based on JIS B8616 package A/C.
(Cooling : Indoor intake air temperature 80°F DB / 67°F WB. Outdoor intake air temperature 95°F DB.)
(Heating : Indoor intake air temperature 70°F DB. Outdoor intake air temperature 47°F DB / 43°F WB.)
TD831158-02_3WAY_VRF_SYS.indb 9TD831158-02_3WAY_VRF_SYS.indb 9 2013/06/14 10:19:352013/06/14 10:19:35