Wall-Mount Air Conditioner Two-Stage Step Capacity
Exterior Wall-Mount
Air Conditioner
WM-STEP CAPACITY Series
W3SA - W5SA
The world’s most energy efficient wall-mounted air conditioner features a multi-step capacity compressor for increased efficiency, quieter operation and improved reliability. Simple thermostatic control seamlessly stages the compressor and indoor airflow rate between high and low capacity operations without cycling the compressor to maximize comfort, humidity control, energy efficiency and overall reduction in compressor cycling for improved system life. Factory or field installed accessories are available to meet specific job requirements.
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Cabinet Colors
X = Beige
1 = White
4 = Buckeye Gray
5 = Desert Brown
8 = Dark Bronze
S = Stainless Steel
A = Aluminum
W3SA - W5SA
- Up to 15.2 IPLV cooling capacity
- 3-5 ton cooling capacity
- Single and three-phase power options
- Copeland step-capacity scroll compressor
- ECM indoor blower motor
- R-454B green refrigerant
- Aluminum finned copper coils
- Optional electric heat kits
- Optional ventilation alternatives
- AHRI Certified
- ETL Listed (US and Canada)
* For full product specifications see Product Resources tab below.
| Model Group | Ton Capacity | Electrical | Supply/Return (HxW) & Spread (in) |
Cabinet Dimensions (in) (WxDxH) |
|---|---|---|---|---|
| W3SA | 3 |
|
|
42x25.5x84.8 |
| W4SA | 4 |
|
|
42x25.5x84.8 |
| W5SA | 5 |
|
|
42x25.5x92.9 |
- 2" MERV8. MERV11 or MERV13 Air Filters
- UV-C LED Light w/Air Filters
- Ventilation Options
- Supply/Return Acoustical Accessories
- Supply/Return Grilles
- Isolation/Sound Curbs
- Thermostats
- CompleteStat
- MC5300/MC5600 Lead/Lag Controller
- MC40002 Series Lead/Lag Controller
- TEC40 Lead/Lag Controller
- DC3000 Series Lead/Lag Controller
- Ventilation Options for Model Group(s)- W3SA, W4SA, W5SA :
- Blank Off Plate (No Ventilations)
- Barometric Fresh Air Damper
- Commercial Room Ventilator
- Economizer
- Energy Recovery Ventilator