– 89 –– 9 –(Standard air volume: 1237 cfm, Lower limit air volume: 866 cfm, Upper limit air volume: 1360 cfm)REQUIREMENTSet a volume damper to the air supply duct, and then adjust the air volume so that it is kept in the range of 70 to110% against the standard air volume.1-2. 230V Fan characteristics 2-2. 208V Fan characteristics1-3. 230V cfm-A 2-3. 208V cfm-A00.20.40.60.811.21.41.6800 1100 1400External static pressure (in. WG)Air flow rate (cfm)Min 866 (cfm) Standard 1237 (cfm) Max 1360 (cfm)High static pressure tapLow static pressure tap00.20.40.60.811.21.41.6800 1100 1400External static pressure (in. WG)Air flow rate (cfm)Min 866 (cfm) Standard 1237 (cfm) Max 1360 (cfm)High static pressure tapLow static pressure tap22.22.42.62.833.23.43.63.84800 1100 1400Fan motor current (A)Air flow rate (cfm)High static pressure tapLow static pressure tap22.22.42.62.833.23.43.63.84800 1100 1400Fan motor current (A)Air flow rate (cfm)High static pressure tapLow static pressure tap Wire connection change of fan motorThe motor wires for the fan have been connected to at shipment from the factory.Change the wire connection if change of the external static pressure is required due to the duct resistance.REQUIREMENTWhen the external static pressure was changed, enter the changed static pressure value in the identification plate ofthe unit.Terminal block No. Fan motor wiring RemarksF1 (Low static pressure tap) Blue —F2 (Middle static pressure tap) Orange At shipment from factoryF3 (High static pressure tap) Black —Terminal block No. Fan motor wiring RemarksF1 (-) Blue Not used.F2 (Low static pressure tap) Orange At shipment from factoryF3 (High static pressure tap) Black —F2F1 F2 F3 F4BlackBlueOrangeElectrical control boxFan motor2P terminal block4P terminal blockControlP.C.boardFMLead wire for changing the external static pressureWhen changing the external static pressure isnecessary, change connection of this lead wire.Orange (at shipment of factory)F1 F2 F3 F4 F1 F2 F3 F4BlackBlueOrangeElectrical control boxFan motor4P terminal block2P terminal blockControlP.C.boardFMLead wire for changing the external static pressureWhen changing the external static pressure isnecessary, change connection of this lead wire.Orange (at shipment of factory)Orange (at shipment of factory)BlackBlueOrangeFan motorFM17-EN 18-EN