Carrier Weathermaster – 48P Commercial Rooftop Units

  • 48P2 – Vertical CV/SAV
  • 48P3 – Vertical VAV
  • 48P4 – Horizontal CV/SAV
  • 48P5 – Horizontal VAV
    Carrier P Series rooftop units are pre-wired and factory-tested in both cooling and heating modes. All models feature an industrial grade cabinet with fully hinged access panels. Forward-curved supply fans provide the performance of up to 4 in. external static pressure (ESP) and 6 in. ESP with optional airfoil supply fans.
    Units are available in the constant volume (CV), staged air volume (SAV), or variable air volume (VAV) applications, with a wide variety of gas heating options. Units come with the ComfortLink™ DDC (direct digital control) control system, scroll compressors on independent thermostatic expansion valve (TXV) controlled refrigeration circuits.
  • 30 to 100 Nominal Tons

Performance Features

  • Multiple high-efficiency scroll compressors include a crankcase heater and vibration isolation
  • Up to 8 steps of cooling capacity control with intertwined evaporator coils for full-face active operation at part-load conditions
  • Cooling operating range from 32 to 115 F ambient (down to -20 F with accessory Motormaster® V control)
  • 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.
  • Tested in accordance with UL Standard 1995 and listed by ETL and ETL, Canada
  • Meet or exceed the EER requirements of ASHRAE Standard 90.1, rated in accordance with ARI Standard 340/360
  • California Energy Commission Title 24 Compliant

Reliability Features

  • Dual electrically and mechanically independent refrigerant 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 test
  • Condenser-fan motors are totally enclosed with internal protection
  • Direct spark ignition, Alumagard Coated Turbo-tubular heat exchangers, and induced draft combination provide for safety and
  • reliability
  • Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via onboard LED and two-stage gas
  • valves with redundant 100% shutoff

Maintenance Features

  • Large hinged service access doors
  • Onboard diagnostics include refrigerant pressure sensors
  • Double wall design available

Installation Features

  • Shipped with R-410A refrigerant charge
  • Single point electrical service entry, through unit bottom or side
  • Lifting Lugs
  • Factory-installed pivoting outside air hoods

Standard Limited Warranty

  • 3 years parts only on Novation™ condenser coil
  • 5 years parts only, non-pro-rated, on the heat exchanger
  • One year parts only on all other parts
Carrier Weathermaster – 48P Commercial Rooftop Units was last modified: August 3rd, 2023 by HVAC Expert

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Factory-Installed Options

  • Low or high gas heat options include:
    • Aluminized steel heat exchanger
    • Stainless steel heat exchanger
    • Stainless steel heat exchanger with staged gas discharge air temperature control
    • Stainless steel heat exchanger with modulating gas discharge air temperature control
  • Extended chassis for an auxiliary coil
  • Double wall construction
  • 2-in. pleated filters with 4-in. field convertible filter rack
  • Bag or cartridge filters (sizes 030-070 only)
  • Outdoor air CFM station
  • Manual outside air self-closing damper
  • Modulating integrated economizer damper
  • Modulating integrated ultra-low leak economizer damper
  • Barometric relief
  • Non-modulating power exhaust (CV units only)
  • Modulating power exhaust with building pressure sensor
  • Alternate high-capacity evaporator coil (all sizes except 035)
  • High capacity power exhaust with VFD (sizes 075-100 only)
  • Return fan with VFD (sizes 075-100 only)
  • Condenser and evaporator options include:
    • All-aluminum Novation condenser and Al/Cu evaporator
    • E-coat all-aluminum Novation condenser and Al/Cu evaporator
  • Hot gas bypass
  • Controls input expansion board
  • Bypass on indoor fan motor VFD
  • GFI (ground fault interrupter) convenience outlet (powered)
  • Power terminal block
  • Non-fused disconnect
  • Airfoil supply fan (sizes 075-100 only)
  • Low outdoor sound
  • Low ambient control
  • 65 kA SCCR (460V) or 25 kA SCCR (575V)
  • Digital compressor
  • BACnet communication
  • Replaceable core filter drier
  • Security grille (sizes 070-100 only)
  • Humidi-MiZer™ adaptive dehumidification system

Field-Installed Accessories

  • Liquid propane (LP) conversion kit (sizes 030-070 only)
  • 2-in. and 4-in. filter kits
  • CO2 space sensor
  • Outdoor or return humidity sensor (enthalpy)
  • Condenser coil hail guard assembly
  • Controls input expansion board
  • Navigator™ display
  • Return air CO2 sensor
  • Smoke detector
  • Filter switch
  • Fan status switch
  • T55 temperature sensor
  • T56 temperature sensor
  • Space temperature sensor with CO2 override
  • Space temperature sensor set point and CO2 override
  • BACnet Communication module
  • MODBUS Carrier translator
  • LonWorks Carrier translator
  • System Pilot™ interface
  • Touch Pilot™ interface
  • 14-in. roof curb
  • Motormaster V control
  • Compressor sound blankets

People like you shared their purchase and installation experience!

Richard G.Richard G.

When my furnace broke down last winter, we were without heat for two weeks while the HVAC company sourced the parts from the US. I wanted to install a gas fireplace insert to replace my existing gas log set and to act as a backup heat source (e.g. furnace breaks down again, no power). I had a number of questions about the various gas fireplace inserts (e.g. size and fit in my old fireplace) and I contacted several HVAC companies.

I found that Brian from Cozy Comfort Plus to be the most helpful and he also gave me the best price. I was home at the time and I saw that the Cozy team did a great job installing the gas fireplace insert (e.g., assembling and fitting the insert, bending and capping the chimney, etc.). If you are looking for a gas fireplace insert, I would highly recommend that you give Brian a call.

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Michelle ZornMichelle Zorn

I had the most fabulous experience with Cozy Comfort Plus! Brian was very responsive for my first outreach all the way through to the completion of my beautiful fireplace! I live in a condo and as such, things are not straightforward when it comes to having work completed. There were a few extra hoops to jump through but Brian and his team were very diligent in ensuring that all the fittings were correct. I was so happy with my experience that I had them replace my furnace and add a smart home thermometer as well! I would highly recommend Brian and his team for their knowledge, skill and excellent customer service!

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Jonathan ChanJonathan Chan

This company has excellent products and even better service, and it shows through client interaction. They care about their customers and complete their work in a timely fashion. Best of all they leave the work area in cleaner condition than when they arrived.

Their showroom has items you can't even imagine.

I have used Cozy Comfort Plus many times, personally purchased the following from them:
-Furnace
-A/C unit
-Air cleaner and purifier
-Tankless water heater
-Fireplaces (Mantles)
-Fire table and
-BBQ

Brian and his team are my go to.

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