Standard Features

Limited Warranty*

Multi-tap ECM (electronic commutating motor) motors - all sizes

Large, grooved tube, louvered fin coils

Efficient, quiet, time-tested blower housings and diffusers

Sturdy, drainable condensate pans

Cabinet construction features innovations designed to prevent cabinet sweating

Tested for condensate disposal in much tougher conditions than Air Conditioning and Refrigeration Institute requirements

Super-thick R-4.2 insulation with vapor barrier

Cabinet air leakage of less than 2% at 0.5 in.W.C. and cabinet air leakage less than 1.4% at 0.5 in. W.C. when tested in accordance with ASHRAE 193 standard.

Installation-flexible, multipoise units

Horizontal hanging provisions on cabinet

No tools required to access filter

Newly improved filter rack area filter door insulation added for improved air seal

3- through 30-kW accessory heaters - field installed

Factory-supplied power plug

Easy plug-in provisions for heater installation

Entry options for high and low voltage wiring hook-up

Leak-preventing sweat connections

Thermostatic expansion valve, TXV, on all sizes

Designed for manufactured housing applications

International Comfort Products FJMA4B48L0CB

Fujitsu FH3621TPSJSN 1-Stage Standard Efficiency 95% Non-Communicating Air Handler
The most compact unit design available, all standard heat airhandler models only 421/2 to 57"es [1079 to 1448 mm] high. Attractive pre-painted cabinet exterior. Rugged wall steel cabinet construction, designed for added strength and versatility. 1.0" foil faced insulation mechanically retained in blower compartment for excellent thermal and sound performance. Four leg blower motor mount. Blower housing with controls, motor and blower. Slide out design for service and maintenance convenience. Traditional open wire element design for heat applications. Field convertible for vertical downflow, horizontal left hand or right hand air supply. 3 combustible floor base accessories fit all model sizes when required for downflow installations on combustible floors. Indoor coil design provides low air side pressure drop, high performance and extremely compact size. Expansion valve on indoor coil provides for operation with air conditioning or heat pump using the same coil. Coils are constructed of aluminum fins bonded to internally grooved aluminum tubing. Coils are tested at the factory with an extensive refrigerant leak check.Coils have copper sweat refrigerant connections.Coils utilize chatleff metering device connections. Molded polymer corrosion resistant condensate drain pan is provided on all indoor coils. Supply duct flanges provided as standard on air handler cabinet. Provisions for field electrical, connections available from either side or top of the air handler cabinet. Connection point for high voltage wiring is inside the air handler cabinet. Low voltage connection is made on the outside of the air handler cabinet. Concentric knockouts are provided for power connection to cabinet. Installer may pull desired hole size up to 2"es [51 mm] for 11/2" [38 mm] conduit. Front refrigerant and drain connections

Fujitsu FH3621TPSJSN

Refrigerant leak detection dissipation system for added safety

Multi-tap ECM (electronic commutating motor) motors  all sizes

Integrated motor controls, with 90-sec off TDR function, have replaced integrated circuit board

Five available speed tags to meet a wide range of applications

Large, grooved tube, louvered fin coils

Efficient, quiet, time-tested blower housings and diffusers

Sturdy, drainable condensate pans

Construction innovations designed to prevent cabinet sweating

Tested for condensate disposal in much tougher conditions than Air Conditioning and Refrigeration Institute requirements

Super-thick R-4.2 insulation with vapor barrier

Pre-painted galvanized steel cabinet

Design meets stringent regulations for cabinet air leakage of less than 2% when tested at 0.5 inches W.C., and less than 1.4% at 0.5 inches W.C. when tested in accordance with ASHRAE 193 standard.

Installation-flexible, multipoise units. 2-piece modular design available for 42 thru 60 sizes. Facilitates attic and crawlspace installations

Horizontal hanging provisions on cabinet

Newly improved filter rack area filter door insulation added for improved air seal. No tools required to access filter

Easy plug-in provisions for heater installation

Factory installed thermostatic expansion valve, TXV, on all coils

Designed for manufactured housing applications

International Comfort Products FHMA5X42L0CA