First Company

First Company - 411805 - 18HX5 Uncased Air Handler

Item: FIR18HX5
MFG: 18HX5
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18HX5 Uncased Air Handler


Ceiling Mount DX Air Handler - 1.5 Tons - 5 kW Heat - 240V (Heat Pump with Heat Requires Kit # 942-1).

  • Sloped and Insulated Drain Pan
  • Primary and Secondary Drains
  • Easy Service Access
  • 240/24V Relay/Transformer
  • Copper Tube Coils
  • Factory Installed Electric Heat (Except 0 kW)

The Space-Saving HX Series Fan Coil Is Only 10" High (11" With Enclosure), Allowing It To Recess In A Ceiling. Recessed Ceiling Fan Coils Save Valuable Floor Space and Eliminate Costly "Equipment" Closets. The HX Series Is Compatible with Most Split-System Condensing Units and Heat Pumps (Heat Pumps with Electric Heat Require Field Added Kit).

First Company's Customer Is Ultimately Responsible For Confirming Which Fan Coil Models Are Compatible with Selected Outdoor Unit(s) and Which Expansion Valves (If Any) Are Required. To Determine Certified Indoor/Outdoor Matches, GoTo www.Firstco.Com.

All HX Fan Coils Include A 240/24V Transformer and Are Completely Prewired with 0 To 10 kW Of Electric Heat. A Sloped Drain Pan Allows Positive Drainage Of Condensate. For HX Fan Coils Factory Installed Within An Enclosure, Add "-C" After The kW In The Model Number. For Instance, or dering Model 18HX5-C Will Include An 18HX5 Factory Installed In A # 9EHX01 Enclosure and Your Choice Of Either A Solid or Louvered Panel.

California residents: see Proposition 65 Warning

Features and Specification

ETL Listed Yes
Kilowatt (KW) 5
Liquid Line Size 3/8"
Maximum Fuse Size 25, 30
Equipment Type Straight Cool
CFM 600
Cooling Capacity 18000
Energy Star Rated No
Cycle/Hertz 60
EER 11
Electric Heat Range [kW] 5
Suction Line Size 5/8"
Tier HX Series
Tonnage 1.5
UL Listed No
Voltage 208-240 VAC
Nominal EER 11
Nominal SEER 13
Phase Single
Package Height 11.8800
Refrigerant R-410a
Package Length 23.4350
Package Weight 58.0000
Package Width 51.0325
Product Family HX
Minimum Circuit Amps 25
Air Flow Horizontal
Amps 22.8
Brand First Company


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picture_as_pdf specification sheet