WeatherMaker® 48HC

WeatherMaker® 48HC


48HC WEATHERMASTER® rooftop unit were designed by customers for customers. With a gauge plug, centralized control center, plug & play accessory board, "no-strip screw" collars, and handled access panels, we’ve made the unit easy to install, easy to maintain, and easy to use. Units are pre-wired and pre-charged with environmentally sound Puron® (R-410A) refrigerant at the factory. The units are factory tested in both heating and cooling modes.


Performance Features

  • Puron® (R-410A) HFC refrigerant
  • ASHRAE 90.1 and Energy Star compliant
  • Single-stage capacity control (sizes 04 to 07)
  • Two-stage cooling capacity control (sizes 08 to 28)
  • SEERs up to 15.6
  • EERs up to 12.2
  • IEERs up to 13.0
  • Exclusive non-corrosive composite condensate pan in accordance with ASHRAE 62 Standard, sloping design; side or center drain
  • Gas efficiencies up to 82%
  • Induced draft combustion
  • Single and multi-state heating
  • Pre-painted exterior panels and primer-coated interior panels tested to 500 hours salt spray protection
  • TXV refrigerant metering device on each circuit with removable power element
  • Fully insulated cabinet
  • Enhanced copper tube and aluminum fin designed condenser and evaporator coils. Special coated coils also available
  • Exclusive IGC solid-state control for on-board diagnostics with LED error code designation, burner control logic and energy saving indoor fan motor delay
  • Dedicated 3-5 ton "Low NOx" models available that meet California Air Quality Management NOx requirement of 40 nangram/joule or ess. Low NOx models include stainless steel heat exchangers.
  • Standard cooling operating range up to 125 °F (52°C) and down to 35°F (-2°C). Low ambient controllers can bring cooling operation down to -20°F (-29°C)
  • Rated in accordance with ARI Standards 210/240 (sizes 04 to 06 ) and 340/360 (sizes 07 to 28)
  • Designed in accordance with Underwriters’ Laboratories Standard 1995
  • Listed by UL and UL, Canada, or ETL

Maintenance Features

  • Access panels with easy grip handles
  • Innovative , easy starting, no-strip screw feature on unit access panels
  • Two-inch disposable return air filters
  • Tool-less filter access door
  • Optional hinged access panels also available
  • Belt drive evaporator-fan motor and pulley combinations available on all three phase models to meet any application
  • Electric Drive x13 (5 speed/torque) motor on 04 to 06 models
  • New terminal board facilitating simple safety circuit troubleshooting and simplified control box arrangement

Installation Features

  • Field convertible from vertical to horizontal airflow for slab mounting (sizes 04 to 14)
  • Provisions for thru-the-bottom power entry capability as standard
  • Single point gas and electric connections
  • Full perimeter base rail with built-in rigging adapters and fork truck slots
  • Dedicated vertical and horizontal airflow models available (factory option on size 17 to 28 units)

Reliability Features

  • Scroll compressors with internal line-break overload protection
  • 24-volt control circuit protected with resettable circuit breaker
  • Permanently lubricated evaporator-fan motor
  • Totally enclosed condenser motors with permanently lubricated bearings
  • Low pressure and high-pressure switch protection
  • Exclusive IGC anti-cycle protection for gas heat operation
  • Solid-state electronic direct spark ignition system
  • Flame roll-out safety protector
  • Liquid line filter drier as standard

Standard Limited Warranty

  • 10 years parts only heat exchanger - aluminized
  • 15 years parts only heat exchanger - stainless steel
  • 5 years parts only compressor
  • One year parts only on all other parts
  • Extended warranty packages available