Packaged Rooftop Units (RTU) - Withair® Heating and Cooling, Air Conditioning, Heat Pump, Chiller, Industrial Process Cooling & Heating Systems, and Indoor Air Quality

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Packaged Rooftop Units (RTU)

Capacity Range: 3 to 150 tons, 50 and 60 Hz
Refrigerant: HFC-R410A
Compressor Type: Hermetic Scroll

Feature-rich and cost-effective
Outstanding airflow distribution
Fully customizable
Compact design and smaller footprint
Engineered for performance and durability
In house engineered microprocessor control
High efficiency and reliable scroll compressor
Connected-ready to optimize HVAC performance
Reliable, efficient performance and a great value
Designed-in features simplify installation and service
Microprocessor controls with optional BAS interfaces
Suit different climates, applications and sustainability goals
Energy efficient performance lowers costs without sacrificing comfort
Dependable MERV filtration that removes contaminants as small as 0.3μm

OVERVIEW
MODELS
OPTIONS
RESCOURCES
SERVICES
RELATED PRODUCTS

Overview

Energy Efficient Comfort - Guaranteed Quality You Can Count On

Withair's Packaged Rooftop Unit (RTU) offer superior indoor air quality, industry leading energy efficiency, and provides a full line of rooftop unit to meet demanding HVAC systems requirements, easy to install and maintain for new construction or replacement projects and deliver reliable and efficient comfort in small to big size buildings with either single or multiple zones. Delivers simplicity and performance that give you an advantage on almost every rooftop project.
High Flexibility and High Reliability

Withair's customers demand products that provide exceptional reliability, meet stringent performance requirements, and are competitively priced. Withair's Packaged Rooftop Units (RTU) features cutting edge technologies: reliable compressors, Withair engineered in house engineered microprocessor controls, computer-aided run testing, and integrated comfort systems. So, whether you’re the contractor, the engineer, or the owner you can be certain our products are built to meet your needs.

With additional benefits for greater application flexibility and compact cabinet, Withair's Packaged Rooftop Units (RTU) continues to provide the highest standards in quality and reliability, comfort, ease of service, and the performance of light commercial products.
Engineered with Contractors in Mind

Withair's Packaged Rooftop Unit (RTU) is easy to install and service, saving time and money from the very first day. Simplicity through engineering makes all the difference when it comes to commissioning and maintenance. Standardized components across the line make ordering less confusing. And direct-drive motors need very little attention.

Built-in convenience features:

• Right-sized for straightforward retrofits
• Color-coded and numbered wiring with key connectors
• Easy conversion from downflow to horizontal
• Single-side access with hinged access to control panel
• Single point power connection
Designed to Prioritize Energy Efficiency and Decarbonization

Building owners who are facing stricter local and national building codes and regulations will find a readymade solution in Withair's Packaged Rooftop Unit (RTU). And it provides outstanding part-load efficiency. Plus, our Heat Pump option uses all-electric, refrigerant-system cooling and heating to help meet building decarbonization goals.
Ready for the New Era of Connected Buildings

Withair's Packaged Rooftop Units (RTU) are capable of integrating into building automation and control systems for optimization, monitoring and data analysis. New models are equipped with the In house engineered microprocessor controller for improved usability, automated optimization.

The controller has intuitive user interface displays system alarms, diagnostics and resolutions, and can seamless integration into building automation systems.
Designed for Plug & Play Replacement, Comprehensive and Cost-effective

Withair's Packaged Rooftop Units (RTU) fit a wide range of footprints making it quick and efficient to replace competitor units – without the need for curb adaptors.

• Designed for immediate, like-for-like retrofit applications
• Airflow can be converted in the field from horizontal to vertical
• Field installation options for convenient, flexible onsite customization

With one of the broadest range of light-commercial rooftop units in the industry—including 3-150 Tons units, Withair's Packaged Rooftop Unit (RTU) series has just the right mix of affordable, comfort-producing capacity to meet the needs of nearly any small-to-medium-size building.

Models

Small Size Rooftop Units

co Specifications	W05R1-10RF	W05R1-14RF	W05R1-18RF	W05R1-21RF	W05R1-25RF	W05R1-32RF	W05R1-43RF	W05R1-50RF	W05R1-65RF	W05R1-77RF	W05R1-88RF
Capacity (Ton)	3.0	4.0	5.1	6.0	7.2	9.1	12.2	15.0	18.5	22.0	25.2
Capacity (kW)	10.6	14.1	18.2	21.3	25.2	32.1	43.0	52.6	65.0	77.4	88.7
SEER	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18
Compressor	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll
Evaporator	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins
Condenser	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins
Voltage	208, 380-415	208, 380-415	208, 380-415	208, 380-415	208, 380-415	208, 380-415	208, 380-415	380-415, 460	380-415, 460	380-415, 460	380-415, 460
Frequency	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60
Refrigerant	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A
Airflow Configuration	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible
Fresh Air	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional
EC Plug Fan	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional
Heat Recovery	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional

Large Commercial Rooftop Units

co Specifications	W05R1-106RF	W05R1-140RF	W05R1-165RF	W05R1-185RF	W05R1-205RF	W05R1-250RF	W05R1-300RF	W05R1-350RF	W05R1-400RF	W05R1-450RF	W05R1-530RF
Capacity (Ton)	30.3	40.0	47.0	52.8	58.5	72.2	86.3	100.0	115.0	128.2	150.7
Capacity (kW)	106.5	140.8	165.6	185.6	205.9	254.1	303.5	351.7	404.6	451.1	530.2
SEER	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18	15-18
Compressor	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll	Scroll
Evaporator	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins
Condenser	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins	Hydrophilic aluminum fins
Voltage	380-415, 460	380-415, 460	380-415, 460	380-415, 460	380-415, 460	380-415, 460	380-415, 460	380-415, 460	380-415, 460	380-415, 460	380-415, 460
Frequency	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60	50 and 60
Refrigerant	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A	R410A
Airflow Configuration	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible	Convertible
Fresh Air	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional
EC Plug Fan	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional
Heat Recovery	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional	Optional

Factory Installed Options

Unit Options

EC Plug Fan
DC Inverter Compressor
Microchannel Coils
Blue or Golden Epoxy Pre-Coated Coils
Ultraviolet Air Sterilization Lamp
2-inch MERV 8 and MERV 13 filters
Compressor Soundproof System
Free Cooling Economizer
High Temperature Kit
Low Ambient Cooling Kit
Belt Drive Motors (Three-phase)
Oversized Motors for High Static Operations
Humidity Control
Electric Heaters
Phase Monitors
Coil Guards
Gas Heating
Hot Gas Reheat
Plate Heat Recovery
Up to 100% Fresh Air
On-board USB Port
25mm Double Wall Construction
Smoke Detectors
Condensate Overflow Switch
Stainless Steel Drain Pan
Stainless Steel Heat Exchanger
Stainless Steel Frame
Anti-corrosion Cabinet and Structure
Container & Transport Kit

Controls Options

Modbus, BACnet Communications Interface
Withair® Wireless Components
Door Mounted User Display
Remote User Interface
Fault Detection & Diagnostics

Electrical Options

Compressor Thermal Overload Relays
Under/Over Voltage Control
Energy Meter
Capacitors for Power Factor Correction
Current Limit
Compressor Circuit Breakers
Ground Fault Relay
High Short Circuit Current Rating
Ground Fault Protection
115V Convenience Outlet
Power Connections
Multi-Point Power with Disconnect Switch

Field-Installed Options

Roof Curb—Downflow
CO2 Sensor Wiring
Humidity Sensor
Thermostat
High Static Drive
Low Static Drive
Manual Outside Air Damper
Motorized Outside Air Damper
Rubber Antivibration Mounts

Resources

Name	Size	Download
Withair® Water-Cooled-Chillers-Line-Card.pdf	606KB	Download
Withair® Air-Side-Products-Line-Card.pdf	270KB	Download
Withair® Ground(Water)-Source-Heat Pumps-Line-Card.pdf	786KB	Download
Withair® Air-Cooled-Heat Pumps-Line-Card.pdf	1.03MB	Download
Withair® Air-Cooled-Chillers-Line-Card.pdf	929KB	Download