The 40RU 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 40RU 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, or steam.

Performance Features

Uses field-supplied Puron® (R-410A) refrigerant (40RUA) and chilled water or brine (40RUS)

Non-corroding drain pans

Cleanable insulation treated with an anti-microbial agent

Fan motor options allowing more complex new or replacement air distribution systems (factory-installed option)

Powerful belt-driven forward curved centrifugal fans

Single blower on sizes 07 to 12; dual blowers on sizes 14 to 30

Durable die-formed galvanized steel casings

40RUA direct expansion cooling coils are rated in accordance with ARI standard 340/360 when paired with Carrier 38A cooling only condensing units

Reliability Features

Precision thermostatic expansion valve (TXV) with removablepower element on each circuit

Motor overload protection of internal automatic reset thermal overload protection

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 (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 Limited Warranty

One year parts only

Factory-Installed Options 

Unit voltage options:




208/230-1-60 (sizes 07 and 08)

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

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

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