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MODELS IG / IGX - Greenheck

Part # 464104. MODELS IG / IGX . Make-Up Air Unit Installation, Operation and Maintenance Manual Installation Start-Up Operation **WARNING**. Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment. Troubleshooting **FOR YOUR SAFETY** **FOR YOUR SAFETY**. If you smell gas: 1. Open windows. The use and storage of gasoline or other 2. Don't touch electrical switches. flammable vapors and liquids in open 3. Extinguish any open flame. containers in the vicinity of this appliance is 4. Immediately call your gas supplier. hazardous. Maintenance Indirect Gas fired Unit Installations Units are listed for installation in the United States and Canada Installation of gas fired duct furnaces must conform with local building codes.

Part # 464104 ® MODELS IG / IGX Make-Up Air Unit Installation, Operation and Maintenance Manual Indirect Gas Fired Unit Installations Units are listed for installation in the United States and Canada

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Transcription of MODELS IG / IGX - Greenheck

1 Part # 464104. MODELS IG / IGX . Make-Up Air Unit Installation, Operation and Maintenance Manual Installation Start-Up Operation **WARNING**. Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment. Troubleshooting **FOR YOUR SAFETY** **FOR YOUR SAFETY**. If you smell gas: 1. Open windows. The use and storage of gasoline or other 2. Don't touch electrical switches. flammable vapors and liquids in open 3. Extinguish any open flame. containers in the vicinity of this appliance is 4. Immediately call your gas supplier. hazardous. Maintenance Indirect Gas fired Unit Installations Units are listed for installation in the United States and Canada Installation of gas fired duct furnaces must conform with local building codes.

2 In the absence of local codes, installation must conform to the National Fuel Gas code, ANSI or in Canada, CAN/CGA-B149 installation codes. All electrical wiring must be in accordance with the regulation of the National Electric Code, Reference ANSI/NFPA No. 70. Unit is approved for installation downstream from refrigeration units. In these conditions, condensate could form in the duct furnace and provision must be made to dispose of the condensate. Report any damaged equipment to the shipper immediately! All units are shipped on a skid or packaged to minimize damage during shipment. The transporting carrier has the responsibility of delivering all items in their original condition as received from Greenheck . The individual receiving the equipment is responsible for inspecting the unit for obvious or hidden damage, recording any damage on the bill of lading before acceptance and filing a claim (if required) with the final carrier.

3 Some accessory items are stored inside the unit during shipping. Care must be taken during installation to prevent damage to units. TABLE OF CONTENTS. I Installation T Troubleshooting Unit - Indoor ..3 Blower ..61. Unit - Arrangement DB/HZ ..4 Motor ..62. Unit - Arrangement DBC ..5-6 Airflow ..63-64. Venting - Outdoor ..7 Vibration ..65. Venting - Indoor (All Units) ..8 Furnace (Single Stage or 2:1 Staged) ..66. Venting - Standard Indoor ..9 Furnace (2:1 Modulating) ..67. Venting - Concentric (General) ..10 Furnace (4:1 Modulation) ..68-69. Venting - Concentric (Horizontal) ..11-12 Furnace (8:1 Staged) ..70-71. Venting - Concentric (Vertical) ..13-14 Water Wizard Evaporative Controller ..72. Venting - Two Pipe (Horizontal) ..15-16. Venting - Two Pipe (Vertical).

4 17-18. Electrical ..19-21 M Maintenance Gas Piping ..22-23 Routine ..73-75. Evaporative Cooler Piping ..24-25 Fall ..76. Water Wizard Evaporative Control ..26 Log ..77-79. Direct Expansion (DX) Coil Piping ..27-29. Chilled Water Coil Piping ..30. R Reference Building Pressure Control ..31. Vent Connections ..80-81. model IG (Single Stage or 2:1 Staged) ..82. S Start-Up model IG (8:1 Staged) ..83. Blower ..32-33 model IG (2:1 Modulating) ..84. Furnace (All Units) ..34 model IG (4:1 Modulating) ..85. Furnace (Single Stage) ..35 model IGX (Blower Control Center) ..86. Furnace (2:1 Staged) ..36 model IGX (Single Stage or 2:1 Staged) ..87. Furnace (8:1 Staged) ..37-41 model IGX (8:1 Staged) ..88. Furnace (2:1 Modulation) ..42 model IGX (2:1 Modulating).

5 89. Furnace (4:1 Modulation) ..43-46 model IGX (4:1 Modulating) ..90. Mixing Box ..47-48 Performance Table ..91. Water Wizard Evaporative Controller ..49-50 Warranty ..Backcover Evaporative Cooling ..51. O Operation Furnace (2:1 Staged) ..52. Furnace (2:1 Modulation) ..53. 4:1 Modulation / 8:1 Staged Controller ..54-55. Furnace (4:1 Modulation) ..56. Furnace (8:1 Staged) ..57. Recirculating/VAV Units ..58. Economizer ..59. Water Wizard Evaporative Controller ..60. STORAGE. When a unit is not going to be in service for an extended period of time, certain procedures should be followed to keep the unit in proper operating condition: Plug all piping Rotate fan wheel monthly and purge bearings once every one to three months (depending on environment).

6 Energize fan motor once every three months Store belts flat to keep them from warping and stretching Store unit in location without vibration Cover unit with tarp to protect from dirt and moisture After storage period, purge grease before putting fan into service NOTE! NOTE! Do not cover unit with a black tarp, this would Improper storage which results in damage to the promote condensation. unit will void the warranty. 2. Installation - Indoor NOTE! To prevent premature heat exchanger failure, do not locate units where chlorinated, halogenated, or acid vapors are present. Installation Step 1 Install Hangers Install threaded hangers from ceiling supports. When locating hangers, allow enough room to open access panel(s). Two nuts must be used on the end of each threaded hanger.

7 Ceiling supports are supplied by others. Step 2 Install Unit Raise the unit into place. Using two nuts per hanger, fasten the unit supports to hangers under the unit. Appropriate unit supports, such as the optional Greenheck hanging bracket kit or c-channel and angle iron (supplied by others). should be used. Using self tapping screws, attach ductwork to unit. In order to prevent the unit from swinging and to NOTE! provide a safe environment for service and Two nuts must be used on each end of each maintenance, additional measures must be taken to threaded hanging rod for proper support. secure the unit in all directions. WARNING! All factory provided lifting lugs must be used when lifting any unit. Failure to comply with this safety precaution could result in property damage, serious injury or death.

8 NOTE! Good duct practices should be followed for all ductwork. Ductwork should be installed in accordance with SMACNA and AMCA guidelines, NFPA 96 and any local codes. Reference the CAPS submittal for duct sizes. Step 3 Install Vent Piping Refer to the indoor venting instructions I-6. Refer to your unit submittal to determine the correct venting option. NOTE! Vent piping is supplied by others and not supplied by Greenheck . 3. Installation - Arrangement DB / HZ. Step 1 Install Curb/Equipment Support(s). Position curb/equipment support(s) on the roof Metal Cover (reference the CAPS submittal for placement of Installation curb/equipment support(s) in relation to the unit). Verify that all unit supports are level, shim if necessary. Attach curb to roof and flash into place.

9 Equipment Support When attaching the equipment support(s) to the roof, remove metal cover, flash to wooden nailer and reinstall cover. NOTE! Refer to the outdoor venting instructions when locating the unit. Step 2 Install Ductwork Good duct practices should be followed for all ductwork. All ductwork should be installed in accordance with SMACNA and AMCA guidelines, NFPA 96 and all local codes. Reference the CAPS submittal for ductwork sizes. Supply Air Duct (Arrangement DB only). Return Air Duct NOTE! (with mixing box only). The use of a duct adapter is recommended on a downblast (DB) arrangement to align the ductwork with the supply unit and is only a guide and is not support for the ductwork. Step 3 Apply Sealant Apply an appropriate sealant around the perimeter of the curb and duct adapter(s) to isolate fan vibration and prevent water penetration.

10 Step 4 Install Unit Use a crane and a set of spreader bars hooked to the factory lifting lugs to lift and center the unit on the curb/equipment support(s). Use self-tapping sheet metal screws to fasten the unit to the curb/equipment support(s). NOTE! The use of all lifting lugs and a set of spreader bars is mandatory when lifting the unit. NOTE! Be sure to complete the outdoor venting installation instructions. 4. Installation - Arrangement DBC. Step 1 Install Curb/Equipment Roof Curb Support(s). Position curb/equipment support(s) on the roof Metal Cover (reference the CAPS submittal for placement of Installation curb/equipment support(s) in relation to the unit). Verify that all unit supports are level, shim if Equipment Support necessary.


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