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Greenheck Fan IGX-HV manual

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Table of contents for the manual

  • Page 1

    Modular Heating & Ventilating Unit Model IGX-HV • Indirect Gas-Fired Heating • Evaporative • Chilled Water • DX Cooling October 2008[...]

  • Page 2

    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 15,000 cfm. A modular design concept enables the flexib[...]

  • Page 3

    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 option is required when the minimum outdoor air volume [...]

  • Page 4

    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 setpoint, the dampers will modulate to the 100% ou[...]

  • Page 5

    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. Drain and overflow lines are conveniently stubbed [...]

  • Page 6

    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 selection program. MODEL CFM TOTAL STATIC PRESSURE in [...]

  • Page 7

    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 Spring Vibration Isolation Spring vibration isola[...]

  • Page 8

    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 and have a blow through fan design. Furnace shall[...]