Page 2 - Product Features; Indirect Gas-Fired Furnaces; Vibration Isolators
2 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 15,00...
Page 3 - controL oPtIons; Heating and Ventilating control
3 controL oPtIons Basic bimetal thermostats with mercury switches or fully programmable electronic thermostats are available as part of your IGX-HV system. Match your heating, cooling, staging, and operational requirements to the appropriate thermostat. HV2: 30%-75% Minimum outdoor air The HV2 optio...
Page 4 - MIXInG BoX controLs; Mixing Box controls with economizer cooling
4 ec1: outdoor temperature reference The economizer controller positions the mixing box dampers to achieve 55° F mixed temperature when the thermostat calls for cooling AND the outdoor air temperature is below the economizer setpoint. If outdoor air temperature is between 55° F and the economizer se...
Page 5 - cooLInG oPtIons; evaporative cooling
5 An evaporative cooling section includes a galvanized steel housing with a louvered intake, two inch aluminum mesh filters and a stainless steel evaporative cooling media housing. The evaporative cooling media is Munters CELdek or GLASdek and has a depth of 12 inches for 90% cooling effectiveness. ...
Page 6 - aIr PerForMance
6 Housing size 12 Housing size 22 Housing size 32 aIr PerForMance Note: The air performance data shown does not include internal static pressure losses due to items such as filters, dampers and furnaces. For exact air performance data based on specific unit configuration, use the Greenheck CAPS sele...
Page 7 - accessorIes
7 air Filter Gauge Indicates when filters become dirty. An indicator light may be wall/beam mounted or provided with a remote control panel. Motorized dampers Discharge dampers are available to prevent backdrafts when the fan is not in operation. Mixing box dampers are factory mounted and wired. Fan...
Page 8 - Specifications
General: Heating and Ventilating unit shall be as manufactured by Greenheck or approved equal provided all specifications are met. Greenheck Model IGX-HV is used as the basis of design. Performance shall be as scheduled on plans. Furnace: Indirect gas fired furnace shall be 80% efficient, ETL Listed...