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Product Features

All Greenheck model IGX-HV units feature 80% 
efficient indirect gas-fired furnace(s), filtered 
mixing box section, fan section, and are ETL listed 
to the UL-1995 test standard. Heating capacities 
range from 100,000 to 1,200,000 BTU/Hr and air 
flow volumes are available up to 15,000 cfm.

A modular design concept enables the flexibility 
to customize each product for its application. Modules 
are then factory assembled and wired to minimize field 
installation labor. The result is a semi-custom product at 
an attractive cost.

Indirect Gas-Fired Furnaces

The Greenheck furnace is designed for top-notch 
performance and long life, combining quality 
components with expert craftsmanship. Unique to 
our furnace is a 

post purge cycle

, which runs the 

combustion fan after the unit is shut down to vent 
hot air and moisture out of 
the heat exchanger. The 
elimination of these corrosion 
catalysts adds years to the 
life of the heat exchanger.
Other key features of our 
furnace are listed below:
• Power vented
• 80% thermal efficiency
• Seamless tubes
• Electronic staged gas controls
• Electronic modulating gas controls
• Aluminized steel or stainless steel heat exchanger
• Direct spark ignition system
• Easy access burner controls
• ETL listed to ANSI Standard Z83.8
• Solid state automatic ignition module

Vibration Isolators

The entire fan and 
motor assembly is 
mounted on vibration 
isolators to minimize 
noise transmission into 
the building. Neoprene 
isolators are standard on 
all units, spring isolators 
are optional.

reliable Fan Performance

Air performance ratings from Greenheck’s AMCA 
registered test chamber ensure accurate data

.

Fans are constructed of heavy gauge steel and 
designed for high efficiency 
and low sound levels. 
Wheels are statically and 
dynamically balanced 
to ensure vibration free 
operation.

control center

The control center includes 
the following standard components:
• Magnetic motor starter with solid state overload 

protection

• Control transformer
• Disconnect switch
• Separately fused motor
• Distribution terminal strip
Premium grade control 
components are selected for reliable operation. All 
electrical components are UL Listed, recognized or 
classified. Control centers are factory prewired for 
single point power connection.

Factory Wired 
and tested

All units are tested 
prior to shipment. 
Units are checked for 
vibration and proper 
operation.

Model IGX-HV

Indirect Gas-Fired
Heating and Ventilating Unit 
Indoor/Outdoor Installations

IGX-HV shown with horizontal discharge.

Summary of Contents for IGX-HV

Page 1: ...Modular Heating Ventilating Unit Model IGX HV Indirect Gas Fired Heating Evaporative Chilled Water DX Cooling October 2008...

Page 2: ...s steel heat exchanger Direct spark ignition system Easy access burner controls ETL listed to ANSI Standard Z83 8 Solid state automatic ignition module Vibration Isolators The entire fan and motor ass...

Page 3: ...cooling The Intelligent Fan feature energizes the fan continuously during occupied mode and intermittently with a call for heating or cooling in unoccupied mode TC3 2 Stage Heating 2 Stage Cooling TC...

Page 4: ...Like the MB2 option this option is appropriate for applications that call for a building automation system that will control the mixing box dampers MB4 Manual Quadrant The MB4 option consists of a man...

Page 5: ...ng section includes the cooling coil stainless steel drain pan and insulated double wall construction Drain and coil connections are stubbed through the wall for convenience For proper coil sizing use...

Page 6: ...1 3 000 RPM 1014 1097 1172 1244 1315 1386 250 BHP 1 22 1 39 1 55 1 72 1 88 2 05 MODEL CFM TOTAL STATIC PRESSURE in inches of WG Maximum Furnace Size Input MBH 0 50 0 75 1 00 1 25 1 50 1 75 IGX HV 112...

Page 7: ...mist eliminating intake hood is standard on outdoor IGX HV models The mist eliminating intake hood provides a double layer of protection against moisture entering the mixing box section Propane Gas C...

Page 8: ...d for a minimum of 150 of driven horsepower Pulleys shall be cast and have machined surfaces 10 horsepower and less shall be supplied with an adjustable drive pulley Electrical All internal electrical...

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