Return Smoke Detectors Accessory for 48/50A2,A3,A4,A5020-060, 48/50P2,P3,P4,P5030-100, 48/50N 75 to 105 Ton
WeatherMaker® 50A Single-Packaged Rooftop Unit
Technical Specifications
Features
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 Features
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
Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via on-board LED and two stage gas valves with redundant 100% shutoff
Standard Limited Warranty
One year parts only on all other parts
3-years parts only on Novation™ condenser coil
5-years non pro-rated warranty on heat exchanger
Options
Factory-Installed Options
Electric Heat
- Low electric heat
- High electric heat
Indoor Air Quality
- 2-inch filters
- 4-inch filters
- Return air CO2 sensor
Economizer
- Manual outside air self-closing damper
- Modulating integrated ultra-low leak economizer
Exhaust Air Control
- Barometric relief (vertical units only)
- Non-modulating power exhaust (CV/SAV vertical units only)
- Modulating power exhaust and static sensor (vertical units only)
Condenser and Evaporator Coils
- Al/Cu condenser & evaporator
- Al/Cu Pre-coat condenser & Al/Cu evaporator
- Al/Cu E-coat condenser & Al/Cu evaporator
- Cu/Cu condenser & Al/Cu evaporator
- All-aluminum Novation condenser and Al/Cu evaporator
- E-coat all-aluminum Novation condenser and Al/Cu evaporator
- Digital Compressor
- Hot gas bypass
- Galvanized drain pan
- Stainless drain pan
Controls
- Controls option board
- Return air CO2 sensor
- Return air smoke detector
- Filter switch
- BACnet communication
Power Circuit
- GFI convenience outlet (powered)
- GFI convenience outlet (not powered)
- Power terminal block
- Non-fused disconnect
Indoor Motor Options
- Low HP, high efficiency
- Medium HP, high efficiency
- High HP, high efficiency
Field-Installed Accessories
Indoor Air Quality
- Return air CO2 sensor
- CO2 space sensor
- CO2 aspirator box
Economizer
- Outdoor or return humidity sensor (enthalpy)
- Exhaust Air Control
- Barometric relief
- Non-modulating power exhaust
- Modulating power exhaust and static sensor
- High capacity modulating power exhaust and static sensor
- Supply and building pressure control board
- Build pressure control sensor
Condenser and Evaporator Coils
- Condenser coil hail guard assembly
Controls
- Controls option board
- Enhanced display
- Navigator™ display
- Return air CO2 sensor
- Smoke detector
- Filter switch
- Fan status switch (requires options board)
- T55 temperature sensor
- T56 temperature sensor
- T58 temperature sensor
- Space temperature sensor with CO2 override
- Space temperature sensor setpoint and CO2 override
- Remote enhanced display
- Thermostats (Debonair®)
- Thermostats (Slimline)
- Thermostats (Corporate)
- BACnet Communication module
- MODBUS Carrier translator
- LonWorks Carrier translator
Miscellaneous Options
- Roof curb adapter kit
- 14-inch roof curb
- Low ambient control (Motormaster® V )
Physical Data
| Size | Nominal Capacity (tons) | Standard Airflow (Cfm) | Gross Cooling (Btuh) | Low Heating Capacity Electric (kW) | High Heating Capacity Electric (kW) | Weight (lbs) | Length (in) | Width (in) | Height (in) |
| 020 | 20 | 8000 | 255000 | 36 | 72 | 3825 | 13'-9" | 7'-10" | 6'-1-1/8" |
| 025 | 25 | 10000 | 300000 | 36 | 72 | 3961 | 13'-9" | 7'-10" | 6'-1-1/8" |
| 027 | 27 | 11000 | 314700 | 36 | 72 | 3961 | 13'-9" | 7'-10" | 6'-1-1/8" |
| 030 | 30 | 12000 | 343800 | 36 | 72 | 3992 | 13'-9" | 7'-10" | 6'-1-1/8" |
| 035 | 35 | 14000 | 410000 | 36 | 72 | 4340 | 13'-9" | 7'-10" | 6'-1-1/8" |
| 040 | 40 | 16000 | 484700 | 36 | 72 | 4770 | 17'-11" | 7'-10" | 6'-1-1/8" |
| 050 | 50 | 20000 | 589900 | 36 | 72 | 4914 | 17'-11" | 7'-10" | 6'-1-1/8" |
| 060 | 60 | 24000 | 689000 | 54 | 108 | 7066 | 25'-11" | 7'-10" | 6'-1-1/8" |
Documents
Accessory and Kit Data
Power Exhaust, Barometric Relief, and Conversion Package Accessories for 48/50A2,A3,A4,A5,AJ,AK,AW,AY020-060
Low Ambient Operation Motormaster® V Control Accessory for 48/50A2,A3,A4,A5,AJ,AK,AW,AY020-060 50/60 Hz
Navigator™ Display Module Accessory for Air-Cooled Chillers, Water-Cooled Chillers, and Rooftop Units with ComfortLink™ Controls
Controls Expansion Module (CEM) Accessory for 48/50A020-060 and 48/50Z030-105 with ComfortLink Controls, 50/60 Hz
Humidity Sensor Accessory for Enthalpy Control for 48/50LC, 48/50A, 48/50P, 48/50N, 48/50Z
Condenser Coil Hail Guard Accessory for 48/50A2,A3,A4,A5,A6,A7,A8,A9020-060
Compressor Sound Blanket Accessory for 48/50A, 48/50N, 48/50P
CO2 Sensor Accessory for 48/50A020-060, 48/50P030-100, 48/50Z030-105, 48/50N
Plugged Filter Indicator Accessory for 48/50A020-060, 48/50P030-100, 48/50Z030-105
Brochure
20-Ton-Plus Single-Packaged Rooftop Units
Agion® Antimicrobial Coating for Carrier’s Aero® 39M Air Handlers and Weather Series Applied Rooftop Units
Humidi-MiZer® Adaptive Dehumidification System
A World of Comfort 2025 - Brochure
Packaged Rooftop Units - Staged Air Volume (SAV) System
Staged Air Volume (SAV) System for Carrier’s Applied Packaged Rooftop Units
A World of Comfort 2025 - Brochure (Printer Version)
CAD Templates
48/50A CAD Template: sizes 020-035, Side view, Vertical
48/50A CAD Template: sizes 036-060, Right end view
48/50A CAD Template: sizes 020-035, Plan view, Vertical
48/50A CAD Template: sizes 051-060, Plan view, Vertical
48/50A CAD Template: sizes 020-035, Side view, Horizontal
48/50A CAD Template: sizes 020-035, Plan view, Horizontal
48/50A CAD Template: sizes 051-060, Left end view
48/50A CAD Template: sizes 051-060, Side view, Horizontal
48/50A Rooftop DXF CAD Templates
48/50A CAD Template: sizes 051-060, Side view, Vertical
48/50A CAD Template: sizes 020-050, Left end view, Horizontal
48/50A CAD Template: sizes 051-060, Plan view, Horizontal
48/50A CAD Template: sizes 036-050, Plan view, Vertical
48/50A CAD Template: sizes 036-050, Plan view, Horizontal
48/50A CAD Template: sizes 020-050, Left end view, Vertical
48/50A CAD Template: sizes 036-050, Side view, Horizontal
48/50A CAD Template: sizes 036-060, Side view, Vertical
48/50A CAD Template: sizes 036-050, Right end view, Horizontal
Case Study
Shopko
Controls
48/50AJ,AK,AW,AY,A2,A3,A4,A5020-060 Start-Up, Operation, Service and Controls Troubleshooting for Weathermaker® Single Package Large Rooftop Units with ComfortLink Version 7.X Controls
48/50A 020-060 Start-Up, Operation, Service and Controls Troubleshooting for Weathermaker® Single Package Large Rooftop Units with ComfortLink Version 11.X Controls
Guide Specifications
48A2, 48A4, 48A6, 48A8, 50A2, 50A4, 50A6, 50A8 Guide Specifications, 20 to 60 Tons, Nominal (Cooling)
48A3, 48A5, 48A7, 48A9, 50A3, 50A5, 50A7, 50A9 Guide Specifications, 20 to 60 Tons, Nominal (Cooling)
Installation
50AJ,AK,AW,AY020-060 Weathermaker® Single Package Rooftop Units Electric Cooling with Electric Heat Option with Scroll Compressor and ComfortLink™ Controls 50/60 Hz Export Units
50AJ,AK,AW,AY020-060 Weathermaker® Single Package Rooftop Units Electric Cooling with Electric Heat Option with Scroll Compressor and ComfortLink™ Controls
50A020-060 WeatherMaker® Single Package Electric Cooling Rooftop Units with Electric Heat Option, ComfortLink Controls and Puron® Refrigerant (R-410A)
Presentation
Carrier Weather Series Applied Rooftop Units Video
Carrier Weather Series Applied Rooftop Units - Expo 2019 Video
Press Release
Carrier Corp. Introduces New Series of WeatherMaker Rooftop Units with Puron
Press Release - Carrier Introduces New Rooftop Units to Meet Efficiency Standards
Product Data
48/50A 020-060 WeatherMaker® Single-Package Gas Heating/Electric Cooling Rooftop Units and Electric Cooling Rooftop Units with Optional Electric Heat with ComfortLink Controls and Puron® Refrigerant (R-410A), 20 to 60 Nominal Tons
REVIT and 3D DRW Files
50A020-060 WeatherMaker Family REVIT Files
Warranty Card
Warranty - Extended Protection Plan for Commercial Rooftop Equipment
Warranty - 50A and 50P and 50N Commercial Rooftop
White Paper
Air Handler and Large Rooftop Unit Shaft Grounding Ring Usage
Humidi-Mizer® Adaptive Dehumidification System for Applied Rooftop Units
Intelligent Air Source and Terminal Integration
Environmental Design Considerations for Hospital Operating Rooms White Paper