Central Heating Units

DryAir 900 CHU — Tri-Fuel Configuration

The DryAir 900 CHU supplies heated fluid to hydronic heating, thawing and drying equipment. The tri-fuel configuration accepts diesel, natural gas or propane through the appropriate interchangeable burner. Its published diesel input is 896,000 BTU/h, delivering 761,600 BTU/h of heat; gas and propane have separate published ratings. An atmospherically vented circulation circuit, automatic bypass protection and central pump/temperature controls support modular jobsite heating.

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Estimated equipment rental only. Delivery, taxes and applicable fees quoted separately. Final pricing confirmed with dispatch.

Specifications

Equipment

Manufacturer
DryAir
Model
900 CHU — Tri-Fuel Configuration

Equipment specifications

Diesel heating input
896,000 BTU/h
Diesel heating output
761,600 BTU/h
Fuel capability
Diesel, natural gas or propane; burner change required
Natural-gas heating input / output
845,000 / 676,000 BTU/h
Propane heating input / output
857,500 / 686,000 BTU/h
Electrical supply
115/230 V, single-phase, 60 Hz, 30 A
Maximum diesel consumption
6.4 US gal/h
Maximum natural-gas consumption
788 cu ft/h
Maximum propane consumption
9.3 US gal/h
Fluid temperature range
120–180°F
Heat-transfer fluid
Non-toxic propylene-glycol/water mixture
Heat exchanger
Water-jacket/fire-tube type
Fluid circulation
Atmospherically vented, low-pressure system
Primary supply and return
2-in lines, ball valves and Kamlok quick couplings
Circulation pump
2 HP, 90 US gpm at 30 psi
Fluid protection
Automatic pressure bypass and temperature bypass
Handling
Forklift pockets
Burner type
Two-stage
System monitoring
Eight-light indicator system
Fluid volume
55 US gal
Published dry / wet weight
2,800 / 4,100 lb
Electric circulation preheater
4,000 W, 230 V

Equipment Details

Capabilities & Features

  • Tri-fuel capability with burner exchange
  • Atmospherically vented fluid circuit
  • Automatic pump-pressure bypass
  • Heat-exchanger temperature bypass
  • Central temperature and pump controls
  • Forklift pockets

Available Options

  • Fuel-specific burners
  • Lifting frame
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