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.
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 |