Carrier Commercial- A United Technologies Company
Home | About Carrier | Project Profiles | Contact Us | Site Map
You are here: Commercial Home / Product Solutions / Search Models / 40RMS


Packaged Air Handling Units
7½ to 30 Nominal Tons

40RM – DX Cooling Only Coil, 6 to 30 Tons
40RMQ - DX Heat Pump Coil, 7½-25 Tons
40RMS - Chilled Water Coil, 7½-30 Tons

The 40RM units are packaged indoor air-handling units offering the ultimate in installation ease, flexibility, and versatility. Combined with Carrier 38 Series commercial condensing units, the 40RM units offer system capacities from 6 to 30 tons. The units’ multiposition design allows for vertical or horizontal installation with no modifications. Powerful fan systems allow easy adaptation to existing ductwork. Heating capability can be provided by electric heaters, hot water coils, steam coils, or by heat pump (40RMQ).
Performance Features
  • Uses field-supplied R-22 refrigerant (40RM and 40RMQ) and fresh water or brine (40RMS)
  • Non-corroding drain pans
  • Cleanable insulation treated with an anti-microbial agent
  • Fan motor options with up to 2.4 in. wg static pressure capability allowing more complex new or replacement air distribution systems (factory-installed option)
  • Powerful belt-driven forward curved centrifugal fans
  • Single blower on sizes 007-012; dual blowers on sizes 014-034
  • Durable die-formed galvanized steel casings
  • 40RM direct expansion cooling coils are rated in accordance with ARI standard 360 when paired with Carrier 38A cooling only condensing units
  • 40RMQ heat pump units are rated in accordance with ARI standard 340 when paired with Carrier 38A heat pump units
Reliability Features
  • Sporlan thermostatic expansion valve (TXV) with external adjustment on each circuit (40RM)
  • TXVs and bypass check valves for heat pump duty (40RMQ)
  • Motor overload protection:
    • Internal automatic-reset thermal overload protection (1.3 to 3.7 hp)
    • External manual reset calibrated circuit breaker protection (5, 7 1/2 , and 10 hp)
  • Designed and constructed in accordance with UL 1995 standard
  • Listed with ETL and ETL, Canada
Installation Features
  • Vertical or horizontal installation without modification
  • Multiple voltage options (factory-installed option)
  • Simple voltage conversion on tri-voltage 208/230/460-3-60 motors (under 5 hp) (factory-installed option)
  • Front or bottom return air intake
  • Two sloped condensate pans for horizontal or vertical applications
  • Simple condensate drain pan adjustment for right-hand or left-hand operation
  • Factory-installed pre-wired fan motor and contactor
  • Easy-access 24-volt control terminal block for easy thermostat wiring
  • Single point electrical power connection for fan motor and accessory electrical heaters
Maintenance Features
  • Removable side panel allows access to virtually all components
  • Permanently lubricated, sealed motor bearings
  • Easy filter replacement with slide-out retainer
Standard Warranty
  • One year warranty
Factory-Installed Options
Unit voltage options:
  • 208/230-3-60
  • 460-3-60
  • 575-3-60
  • 400-3-50
  • 230-3-50
  • 208/230-1-60 (sizes 007 and 008)
High-capacity 4-row direct expansion coils (40RM)
Alternate fan motors
Medium and high-static drives
Pre-painted units
Field-Installed Accessories
Outside air enthalpy controlled economizer
Electric heater
Hot water heating coils
Steam heating coil
PremierLink™ controller
Programmable thermostats
CO2 sensors
Airflow sensor switch
Painted and non-painted options:
  • Discharge plenum
  • Return air grille
  • Floor mount subbase
Condensate overflow switch assembly
Overhead suspension package
UV-C germicidal lamp
AHRI standard 340/360 unitary large acAHRI standard 340/360 unitary large hpCanada, us etl

Additional Information
Physical data
PremierLink™ controller
Return to Top View Printer Friendly Version
Privacy Policy Terms Of Use  Carrier is a part of UTC Buildings & Industrial Systems , a unit of United Technologies Corp.
© Carrier Corporation 2014