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Viking Series

The Viking series is the best entry level single zone ductless system; it is also the most popular system due to its remarkable reliability, cost effectiveness and unique smart technology package. The indoor unit is compact and well designed to compliment any room without altering the style of your home. Every model in the Viking series is equipped with a cutting-edge inverter driven compressor that maximizes the system’s efficiency in cooling and heating modes. The Viking series provides most of the higher-end technologies such as; low voltage start-up, intelligent defrost and pre-heating, dry anti-mildew applications, low ambient operation, comfortable sleep mode and much more, making it the best in its class. Like every other Willis product, the Viking series systems have the market’s best manufacturer warranty.

FEATURES

• Smart 1 Hertz Inverter Techn
• Low Ambient Cooling to 5 °F
• Low Voltage Start-up
• Intelligent Defrost
• Intelligent Pre-heating
• Comfortable Sleep Mode
• Auto Swing (Vertical)
• Multiple Fan Speeds
• Auto Clean
• Dry Anti-mildew Design
• LED Display
• Automatic Operation
• Self-diagnosis
• Memory Function
• Timer
• Control Lock
• Fan Delay Function

SPECIFICATIONS


Model
WST09MH16S WST12MH16S WST18MH16S WST24MH16S
Power Supply 208-230V, 60Hz, 1Ph 208-230V, 60Hz, 1Ph 208-230V, 60Hz, 1Ph 208-230V, 60Hz, 1Ph
Rated Current Cooling A 3.9 5.4 7.9 11.5
Rated Current Heating A 3.4 4.7 11.8 13.0

System Performance
Dehumidification pt/h 1.69 2.96 3.8 4.23
Cooling Capacity (Min-Max) Btu/h 9,000 (3,800 – 11,500) 12,000 (3,300 – 12,500) 18,000 (4,500 – 21,000) 22,000 (6,400 – 24,000)
Heating Capacity (Min-Max) Btu/h 9,000 (3,300 – 11,500) 12,000 (3,400 – 12,500) 23,000 (4,000 – 23,000) 26,600 (4,100 – 26,600)
SEER/EER 16 / 10.2 16 / 9.8 16 / 11.1 16 / 12.0
HSPF/COP 8.5 / 3.4 8.5 / 3.3 8.5 / 2.8 8.6 / 3.5

Indoor Unit
Airflow CFM 330 / 282 / 194 / 141 341 / 294 / 206 / 153 471 / 400 / 330 / 271 589 / 471 / 412 / 353
Sound Pressure Level dB(A) 43 / 38 / 32 / 26 44 / 39 / 33 / 28 48 / 43 / 38 / 34 49 / 43 / 39 / 34
Unit Dimension inch 30.3 x 11.1 x 7.9 30.3 x 11.1 x 7.9 34 x 12.0 x 8.5 39.7 x 12.6 x 8.7
Net/Gross Weight lbs 19 / 25 20 / 27 27 / 35 33 / 44

Outdoor Units
Compressor Type ROTARY ROTARY ROTARY ROTARY
Sound Pressure Level dB(A) 49 52 56 56
Unit Dimension (WxHxD) in. 28.0 x 21.7 x 12.5 28.0 x 21.7 x 12.5 37.6 x 27.6 x 15.6 37.6 x 27.6 x 15.6
Net/Gross Weight lbs 64 / 73 68 / 77 106 / 117 112 / 123
Refrigerant/Charge oz. R410A / 26.1 R410A / 35.3 R410A / 45.9 R410A / 54.7
Line Set Size
(Liquid – Suction)
inch 1/4 – 3/8 1/4 – 3/8 1/4 – 1/2 1/4 – 1/2
Pre-Charge ft 25 25 25 25
Max Line Run ft. 50 66 82 82
Max Elevation ft 33 33 33 33
MCA A 10 10 15 16
MOCP A 15 15 25 25
Wire Size/# Wires 14AWG*4 Stranded, Unshielded