WEATHERMASTER - 50P
WEATHERMASTER - 50P-1

Carrier Weathermaster – 50P Commercial Rooftop Units

  • 50P2 – Vertical CV/SAV
  • 50P3 – Vertical VAV
  • 50P4 – Horizontal CV/SAV
  • 50P5 – 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 performance of up to 4 in. external static pressure (ESP) and 6 in. ESP with optional airfoil supply fans.
    Units are available in constant volume (CV), staged air volume (SAV), or variable air volume (VAV) applications, with electric or hydronic 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
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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
  • Reliable Integrated Gas Unit Controller (IGC) provides system evaluation & troubleshooting via on-board LED and two stage gas
  • valves with redundant 100% shutoff

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, 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 heat exchanger
  • One year parts only on all other parts

Carrier Weathermaster - 50P Commercial Rooftop Units Brochure

Carrier Weathermaster - 50P Commercial Rooftop Units Document

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Factory-Installed Options

  • Low, medium, or high Electric heat options (vertical configuration only) include:
    • Staged control heat
    • Silicone Controlled Rectifier (SCR) heat
  • Hot water coil
  • Discharge plenum
  • 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
  • High capacity power exhaust with VFD (sizes 075-100 only)
  • Return fan with VFD (sizes 075-100 only)
  • Alternate high-capacity evaporator coil (all sizes except 035)
  • 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

  • Communicating valve actuator (for units with hot water coil option)
  • 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

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People like you shared their purchase and installation experience!

Susanna PingitoreSusanna Pingitore

I've been a client of Cozy Comfort for 15 yrs. for any HVAC need or service.

My AC broke down in the heat wave and could not be repaired. I called and talked to Brian @ Cozy Comfort.
Explained I was looking for a specific Carrier model and a humidifier as well.
He managed to find it and had both installed by tech. Alex and his crew within a few days. They did a good job and took all garbage with them.

While being installed, other companies I had called for a quote were calling me to inquire what I was looking for. Told them too late!

During this unexpected breakdown in prime summer heat, Brian was patient, quick and fair getting the job done quickly.

These days it is difficult to give a positive review but I highly recommend dealing with Brian at Cozy Comfort for any service they offer.

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Ivy N.Ivy N.

Everything goes smooth from sales consultation, installations and follow up call. The crew is professional, courteous and know exactly what they are doing. We are very happy with the recommended products (Tankless Water Heater and Water Softener). Thank you Cozy Comfort Plus team!

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Jeffrey HoffmanJeffrey Hoffman

From installation to maintenance, Cozy Comfort Plus Inc. provided us with prompt, quality service. It took under a day to install our Mitsubishi split-type air conditioner in May, 2021. This week, they attended to cleaning our unit’s filters in less than a day’s notice. The technician explained how to remove, clean and reinstall the filters ourselves which will save us money down the road. I highly recommend Cozy Comfort without reservation.

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