Technical Data Manual

3WAY VRF SYSTEM Unit Specifi cations
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1. Outdoor Unit
Unit Specifi cations (3)
MODEL NAME
3WAY SYSTEM Capacity Control Outdoor Unit <12-Ton>
GENERAL MODEL No.
WU-144MF1U9, WU-144MF1U9E
COMPONENT OUTDOOR UNIT
U-72MF1U9, U-72MF1U9E* U-72MF1U9, U-72MF1U9E*
SOURCE
208-230V/3N/60Hz 208-230V/3N/60Hz
PERFORMANCE
Cooling capacity BTU / h (kW) 144,000 (42.2)
Heating capacity BTU / h (kW) 162,000 (47.3)
UNIT DIMENSIONS
Height in. (mm) 82-9/16 (2097)
Width in. (mm) 74 (1880)
Depth in. (mm)
Ceiling dimension : 35 ~ +2-3/8
(890 ~ +60)
Net weight lbs. (kg) 573 (260) 573 (260)
Color (Munsell code) Silky shade (1Y 8.5 / 0.5)
ELECTRICAL RATINGS
Voltage rating V 208 230
Cooling
Running amperes A 30.2 28.4
Power input kW 10.6 10.6
Power factor % 97.3 93.8
Heating
Running amperes A 33.0 30.9
Power input kW 11.6 11.6
Power factor % 97.4 94.0
Starting amperes A 20 19
COMPRESSOR
Type - Q'ty Inverter driven Rotary type x 1 Inverter driven Rotary type x 1
Motor output kW 4.1 4.1
Refrigeration oil
Type FV68S (Ether oil)
Charge amount gal 1.40 (5.3 liters) 1.40 (5.3 liters)
Crankcase heater W 25 25
Capacity control % –
Refrigerant amount at shipment lbs. (kg)
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
Air circulation CFM 5,300 5,300
External static pressure in.WG 0 0
Motor output (No. of poles) kW 0.7/8P 0.7/8P
Protective devices High pressure switch, overcurrent (CT method)
TUBING
Refrigerant tubing
Suction tube in. (mm) ø1-1/8 (ø28.58) (Brazing)
Discharge tube in. (mm) ø7/8 (ø22.22) (Brazing)
Liquid tube in. (mm) ø1/2 (ø12.7) (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
ø7/8 (ø22.22) - ø3/4 (ø19.05)
Connection tubing
ø7/8 (ø22.22) - ø3/4 (ø19.05)
* 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 4TD831158-02_3WAY_VRF_SYS.indb 4 2013/06/14 10:19:332013/06/14 10:19:33