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Warranty

Greenheck warrants this equipment to be free from defects in material and workmanship for
a period of one year from the purchase date. Any units or parts which prove to be defective
during the warranty period will be repaired or replaced at our option. The motor is warranted
by the motor manufacturer for a period of one year. Should the motor prove defective during
this period, it should be returned to an authorized motor service station.

Greenheck will not be responsible for any installation or removal costs.

Due to continuing research, Greenheck reserves the right to change specifications without notice.

Receiving and Handling

Upon receiving the equipment, check for both obvious and hidden damage. If damage is 
found, record all necessary information on the bill of lading and file a claim with the final
carrier. Check to be sure that all parts of the shipment, including accessories, are accounted
for.

Table of Contents

Installation .....................................................................................3-7

100% Outside Air Units

- Down Discharge

..........................................................................3

- Horizontal Discharge ..............................................................................4
- Combination Extension

...................................................................5-6

Recirculation Air Units .................................................................................7

Electrical .........................................................................................8-9

Supply Blower.............................................................................10-12

- Start Up .................................................................................................10
- Trouble Shooting...................................................................................11
- Maintenance..........................................................................................12

Furnace Section .........................................................................13-17

- Gas Supply Pressure Requirements ....................................................13
- Maintenance..........................................................................................13
- Trouble Shooting...................................................................................14

- Sequence of Operation ........................................................................15

- Stage Control Settings..........................................................................15
- Gas Control Layout...............................................................................16
- High/Low Fire Settings .........................................................................17

Dimensions .................................................................................18-27

- Curbs/Combination Extension/Weights ..............................................18

100% Outside Air/Recirculation Air

- With DownTurn Plenum...................................................................19-21
- With Horizontal Discharge ..............................................................22-24

100% Outside Air w/Combination Extension ......................................25-27

Documentation.................................................................................28

Summary of Contents for IG-100

Page 1: ...t exchanger failure do not locate any gas fired units in areas where chlorinated halogenated or acid vapors are present in the atmosphere This manual is the property of the owner and is required for f...

Page 2: ...for both obvious and hidden damage If damage is found record all necessary information on the bill of lading and file a claim with the final carrier Check to be sure that all parts of the shipment in...

Page 3: ...apter is only a guide and is not intended to be used as support for the ductwork 3 Before beginning this installation Make sure that there is room to access the unit from all sides The inlet must be l...

Page 4: ...d down stream where there is good air mixture and where it is away from dead spots in the ductwork Sometimes this can only be done through trial and error Too far from the unit may cause delay problem...

Page 5: ...to lag in place Prepunched holes are provided Locate extension so the tall louvered side is over the exhaust opening as shown in illustration Step 4 Install Ductwork Exhaust Exhaust ductwork must be...

Page 6: ...xhaust fan prior to the supply unit will allow for easier installation of options Step 7 Install Supply Unit Use a crane and a spreader bar hooked to the factory lifting lugs as shown in the diagram t...

Page 7: ...used as support for the ductwork Before beginning this installation Make sure that there is room to access the unit from all sides The inlet must be located at least 10 feet away from any exhaust ven...

Page 8: ...furnace is turned on and the gas controls are calling for heat For units with combination extension 1 Wire power lead for CUBE through side breather tube 2 The power lead should be of sufficient lengt...

Page 9: ...Provides proper fusing for supply and exhaust fan motor 4 Motor Starters 120 Volt magnetic contacts for starting motors comes standard with electronic overload Can be provided with auxiliary contacts...

Page 10: ...e method in the ductwork away from the blower Other methods can be used but should be proven and accurate To adjust the air volume change the fan rpm or the system static See Trouble Shooting section...

Page 11: ...ace damper motor System static pressure too high Improve ductwork to eliminate losses using good duct practices Blower speed too low Check for correct drives and rpm with catalog data Dampers or regis...

Page 12: ...out of either side of the unit If washable filters are installed they can be washed in warm soapy water An adhesive spray can be applied to increase filter efficiency If disposable filters are install...

Page 13: ...commendations Furnace Maintenance The following procedure should be completed before every heating season by a qualified service person 1 Remove and inspect burner Check burner ports and burner mixing...

Page 14: ...Replace transformer Check wiring to transformer Is combination gas control on Is limit control tripped Is gas supply valve open Is there sparking at pilot Is there gas to pilot Is the spark gap corre...

Page 15: ...lve closed and no spark and restart the ignition sequence again After going through this trial wait sequence 3 times the control will wait an additional 1 hour and repeat the process again if necessar...

Page 16: ...ssure regulator safety shut off valves pilot regulator and manual shut off knob For staged control this valve also controls 50 and or 100 fire 6 Modulating Valve Modulates gas to main burner for prope...

Page 17: ...setting If the outside air is below 55 F place a jumper wire from terminal 3 to terminal 4 on the amplifier If there is a room override stat remove the wire from terminal 14 on the amplifier and isol...

Page 18: ...Uses Housing 3 See CUBE literature for complete dimensions and weights of CUBE fan Minimum Distances Required per NFPA 96 FPE Model CUBE Sizes A B C D E 102 98 100 120 130 41 5 20 0 26 5 23 63 24 12 1...

Page 19: ...Optional V Bank Filters Optional Motorized Intake Damper Optional Recirc Damper Recommended Roof Opening Roof Curb O D Supply Duct H Roof Curb O D w Recirc M Optional Return Duct Furnace Supply Return...

Page 20: ...Height 2 Optional Recirc Damper Roof Curb O D w Recirc M Optional Return Duct Furnace Supply Return Duct Locations Roof Roof Curb Rec Supply Rec Return Input Duct Duct H M Curb O D O D w Recirc Roof...

Page 21: ...ly Duct H Lifting Lugs Unit Dimensions F Curb Height 2 1 2 G Curb Height 2 Optional Recirc Damper Roof Curb O D w Recirc Optional Return Duct Furnace Supply Return Duct Locations Roof Roof Curb Supply...

Page 22: ...Optional Motorized Intake Damper E Gas Connection G Lifting Lugs Lifting Lugs F D Optional V Bank Filters Optional Recirc Damper Roof Curb O D Recommended Roof Opening Roof Curb O D w Recirc M Option...

Page 23: ...ting Lugs 18 F 48 1 2 Gas Connections Lifting Lugs Lifting Lugs For IG 500 5 Dim IG 500 IG 600 IG 800 J 24 24 24 K 13 11 1 2 8 1 4 L 27 1 2 32 1 2 38 3 4 F Curb Height 2 1 2 G Curb Height 2 Unit Dimen...

Page 24: ...k Filters Optional Motorized Intake Damper Lifting Lugs 18 F 48 1 2 3 Gas Connections Lifting Lugs Lifting Lugs Unit Dimensions F Curb Height 2 1 2 G Curb Height 2 Optional Recirc Damper Furnace Roof...

Page 25: ...gs Lifting Lugs Optional Motorized Intake Damper E F 10 Foot Min Recommended Roof Opening Roof Curb O D Supply Duct H Exhaust Duct J K L Furnace Supply Roof Recommended Input Duct H J K L Curb O D Roo...

Page 26: ...imensions meet minimums required by NFPA 96 8 minimum curb height must be used G Curb Height 6 Gas Connections Lifting Lugs Lifting Lugs 60 1 2 24 Min 53 Min See CUBE literature for recommended exhaus...

Page 27: ...recommended exhaust duct sizes Furnace Supply Roof Recommended Input Duct Curb O D Roof Opening 500 800 24 x 40 50 1 2 x 108 1 2 47 x 105 Roof Curb Dimensions Roof Curb O D Supply Duct 26 Exhaust Duct...

Page 28: ...late Information Model ___________________________________________ Volts ___________ Hertz __________ Phase __________ Amps __________________ Mark ___________________ Supply hp _____________ Exhaust...

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