---
title: Custom RTU with 100 Tons Packaged DX Cooling and 42K CFM
description: Here's a custom RTU for a commercial building in a historic casino town featuring 100 tons packaged DX and a weight savings and sound absorption design.
---

[XeteX Air Handling Blog ](https://xetex.com/blog)

# [Custom RTU with 100 Tons Packaged DX Cooling and 42K CFM](https://xetex.com/blog/custom-rtu-with-100-tons-packaged-dx-cooling-and-42k-cfm)

 Written by [XeteX](https://xetex.com/blog/author/xetex) | 12/17/24 2:30 PM

This XeteX project showcases one of two custom rooftop units for a commercial building in a historic casino town. Unique performance features include 100 tons of packaged DX cooling, as well as split unit construction, and a weight savings and sound absorption design.

### Performance

Model: XAH-42000-RT-RC-DX-HI-BP-AC  
Dimensions: 103”H x 546”L x 101”W  
Weight: 20,800 lbs  
Supply CFM: 42,000 CFM  
Heating Type: Indirect Gas Fired Furnace  
Heating Capacity: 804 MBH  
Cooling Type: Packaged DX Coil  
Cooling Capacity: 100 Tons

### Performance

- Outdoor unit; two section split unit
- 2” double wall thermal break construction with injection foam (R-value 14/in) insulation 
    - 20ga galvanneal outer casing with acrylic paint
    - 0.063” aluminum interior casing selected for weight savings design
- 8” structural steel base frame with welded lifting lugs and acrylic paint
- .080” aluminum unit floor with 2” injected foam (R- 6.9/in) insulation
- 304 SS drain pan 

### Features

- Integral air cooled section with multiple staged compressors and VFD lead
- Factory mounted Carel DDC controller programmed for full unit control
- 20ga Perf. Liner in SA fan compartment
- SA PIEZO flow rings and fan backdraft damper

### Components

A. 2” MERV 8 galv. filter rack  
B. DX evaporator coils  
C. SA fan backdraft damper  
D. SA premium four-fan array   
E. Unit split  
F. Perf liner in SA section  
G. SA blower VFDs  
H. Heater bypass damper  
I. SS indirect gas fired furnace with modulating valve (10-to-1)  
J. Compressor VFD  
K. Compressor  
L. Condensing coils  
M. Condensing fans

### Learn more about XeteX Custom Air Handling Solutions!

<https://xetex.com/hs/cta/wi/redirect?encryptedPayload=AVxigLLrREsHL%2FBL8LDC%2BVqP3qA9ghrmSg3DnCGqFmV%2FP3Npes7Ig%2FfkHT1jwTvKE6dPxfRRY1Q40xufCW0A1iuTIPfUTdeKE2DQVciZ6CIu90MOcrVp3%2FGm9tUWc03K9YNmV6G%2FUIPRxygHwSL5wi8DHZx0%2BD7uKPH0F1e4R1ZWl%2B6khupiJdms5awknnR6uLHcJ63n&webInteractiveContentId=182218501548&portalId=22651078>

[View full post](https://xetex.com/blog/custom-rtu-with-100-tons-packaged-dx-cooling-and-42k-cfm)

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