Custom RTU with 133 Tons Packaged DX Cooling, 34K CFM and Post HW Coil

This XeteX project highlights one of two custom RTUs for a hospital. Equipped with packaged DX refrigeration, a post hot water coil, and quality filtration throughout, this custom RTU is designed for energy efficient, year-round temperature regulation and indoor air quality. Designed as a replacement, the unit was painted a custom color to match nearby equipment. 

Specifications

Model: XAH-35000-RT-DX-HW-RC-AC-FF
Dimensions: 112”H x 136”W x 438”L
Weight: 28,000 lbs
Supply CFM: 34,000 CFM
Heating Type: Post Hot Water Coil
Heating Capacity: 865 MBH
Cooling Type: DX Evaporator Coil
Cooling Capacity: 133 Tons

Construction

• Outdoor unit
• Thermal break construction with 2” double wall casing with injected foam (R-value 14/in) insulation
• 20ga galvanneal exterior casing with custom acrylic paint; 18ga galvanized interior casing
• 8” structural steel welded frame with lifting lugs with custom acrylic paint
• Galvanized 16ga floors with injected foam (R-value 6.9/in)
• 304 SS drain pan

Other Features

• 65k SCCR
• Factory mounted Carel DDC Controller and programmed for full unit control
• Integral air-cooled section with staged compressors and VFD lead
• PIEZO flow rings: SA and EA fans; SA fan back draft damper
• PIEZO transducers: SA and EA monitors

Components

A. Compressors
B. Condenser coils
C. Condenser fans
D. SA 12” MERV 14 final filters
E. Post hot water coil with freeze stat sensor 
F. SA four premium plenum fans with PIEZO flow rings
G. DX evaporator coil
H. SA 2” MERV 8 filters
I. Recirculation damper
J. EA two premium plenum fans with PIEZO flow rings

Learn more about XeteX custom air handling solutions.