XeteX Air Handling Blog

Custom ERU with Flat Plate Heat Exchanger and Packaged Refrigeration

Written by XeteX | 7/15/26 4:26 PM

Designed for a coastal environment, this XeteX custom Energy Recovery Unit (ERU) is one of three units in this project.

Unique features include integral DX refrigeration with dual refrigerant circuits, AHRI-certified aluminum crossflow plate energy recovery, multi-stage filtration, and AMCA-certified dampers. 

Let'st's take a look at performance and see what's inside. 

Performance 

Model: IAQ 5000-RT-DX-AC

Dimensions: 88”H x 240”L x 92”W

Weight: 7,300 lbs

Supply CFM: 5,000 CFM

Cooling Type: DX Cooling Coil

Cooling Capacity: 35 Tons

Energy Recovery: Flat Plate Heat Exchanger 

Energy Effectiveness: Summer: 54.1%


Construction

  • Outdoor unit with thermal break construction

  • 2” double-wall casing and injected foam (R-value 14) insulation; 

  • 0.063” aluminum outer casing; 0.063” aluminum interior casing

  • 0.063” aluminum floor with 2” injected foam (R-value 14) insulation 

  • Welded 8” structural aluminum base frame with lifting lugs

  • 304 SS drain pan

Features 

  • Epoxy-Coated Flat Plate Heat Exchanger 

  • Coastal environment cabinet construction

  • Exhaust plenum with OA bypass to allow for unit turndown

  • Certified for Seismic and Wind Load Conditions 

  • Factory mounted controls

  • Exhaust stack with stabilizing cables 

  • Supply and exhaust fans with aluminum construction, TEFC motors, shaft grounding, and seismic spring isolators 

Components 

A. OA Intake with aluminum mesh filters

B. 2” MERV 9 OA pre-filter

C. 4” MERV 14 OA Filter

D. Flat Plate Heat Exchanger

E. DX Coil with SS Casing

F. SA 2-Fan Array

G. 2” MERV 9 RA Filter

H. EA 2-Fan Array

I. Air-Cooled Condensing Section

J. Built-in Electrical Cabinet

Learn more about XeteX Custom Air Handling