WeatherMaker® 48A Rooftop Unit

Single-Packaged Rooftop Units
Gas Heating / Electric Cooling
Puron® (R-410A) Refrigerant
20 to 60 Nominal Tons

48A2 – CV/SAV, Vertical
48A3 - VAV, Vertical
48A4 – CV/SAV, Horizontal
48A5 - VAV, Horizontal

Performance Features

• High-efficiency scroll compressors (digital compressor available)
• Two-stage cooling on Constant Volume and Staged Air Volume units, with multiple adaptive demand control for up to 5 stages of cooling capacity
• Cooling operation range up to 120° F ambient and down to 35° F ambient
• ComfortLink™ control includes: easy to use scrolling marquee display, service diagnostics, run test capabilities, demand limit capability, compressor reverse rotation protection, and BACnet communication option.
• California Energy Commission Title 24 Compliant
• Meet or exceed the EER requirements of ASHRAE Standard 90.1, rated in accordance with ARI Standard 340/360
• Tested in accordance with UL Standard 1995 and listed by ETL and ETL, Canada

Maintenance Feature

• Large hinged service access doors
• On-board diagnostics include refrigerant pressure sensors
• Double wall design available

Installation Features

• Shipped with R-410A refrigerant charge
• Single point electrical service entry, thru unit bottom or side
• Lifting lugs

Reliability Features

• Dual electrically and mechanically independent refrigeration circuits with coil frost protection, liquid line filter driers, and crankcase heaters standard on all models
• Compressor protection includes high and low pressure transducers with safety cutouts
• Circuit breaker protection for all power components
• Cabinet made of pre-painted, galvanized steel with baked enamel finish, which meets ASTM B117 salt spray resistance
• Condenser-fan motors are totally enclosed, with internal protection