Manuals / Greenheck Fan / Household Appliance / Humidifier

Greenheck Fan 45, HRE-20, 90, 55 Optional Accessories, Remote Panel Wiring Schematics, Switch/Timer

Models: 45 55 90 HRE-20

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Heating/Cooling Switches and Night Setback

OPTIONAL ACCESSORIES

Remote Panel Wiring Schematics

Heating/Cooling Switches and Night Setback

Switch/Timer

S1	Unit On/Off

S6	Econ/First Stage Cooling

S7	Second Stage Cooling

S4	Heat

	Night Setback Timer
S5	Night Setback Switch
S5

W1Terminal Block in Unit Control

6Center

A3 A3

Page 27

Image 27

Greenheck Fan 45, HRE-20 Optional Accessories, Remote Panel Wiring Schematics, Heating/Cooling Switches and Night Setback

Contents

INSTALLATION SUPPLEMENT HEAT RECOVERY UNITInstallation, Operation and Maintenance Manual SAFETY WARNINGUpChecklist TABLE OF CONTENTSSTORAGE BASIC OPERATIONLIFTING INSTALLATIONSafety Warning Unit Weights & RECOMMENDED ROOF OPENINGCurb Outside Dimensions ROOF CURB MOUNTING2.Install Curb 3.Install DuctworkEXHAUST WEATHERHOOD RAIL MOUNTINGDUCTWORK CONNECTIONS SUPPLY WEATHERHOODELECTRICAL INFORMATION Exploded Detail of Terminal Strip TYPICAL CONTROL CENTER COMPONENTSSERVICE CLEARANCES / access panel locations HRE-20 HRE-45HRE-55 HRE-90 Dimensional data and DIMENSIONAL DATA / ACCESS DOOR DESCRIPTIONSExterior Dimensions Overall Exterior DimensionsStandard Trap and Supply Line Configuration EVAP MODULE INSTALLATIONEVAPORATIVE COOLING MODULES EVAP MODULE START-UPTop View HRE WATER SUPPLY CONNECTION LOCATIONEvaporativeEvaporative FreezeTimer Protection Water Control Options for Evaporative CoolingAUTO DRAIN AND FILL WITH FREEZE PROTECTION PLUMBING FOR AUTO DRAIN AND FILLDRAIN TRAP DRAIN AND OVERFLOW CONNECTION LOCATIONS Outdoor AirExhaust Troubleshooting for evaporative module SymptomSolution Evaporative Cooling Maintenance Post-HeaterControl Panel optional accessoriesElectric Heater Application/Operation Electric PreheaterTimer Frost Control Application/Operationoptional accessories Frost Threshold TemperaturesTemperature Sensor with Override Economizer Application/Operationoptional accessories Testingoptional accessories Variable Frequency Drives for BlowersYaskawa E7 Drive Energy Recovery WheelVariable Frequency Drives for optional accessoriesoptional accessories Wiring DiagramRotation Sensor Dirty Filter Sensoroptional accessories optional accessories Service OutletCO2 Sensor Vapor Tight LightsHand/Off/Auto Switch OPTIONAL ACCESSORIESRemote Control Panel and Wiring Schematics 7-DayTimer or On/Off SwitchDirty Filter Indicator Power by Others Remote Panel Wiring SchematicsOPTIONAL ACCESSORIES Indicator Lights powered by the ER UnitSwitch/Timer OPTIONAL ACCESSORIESRemote Panel Wiring Schematics Heating/Cooling Switches and Night SetbackPressure Sensors analog or digital Sensors Mounted by Factoryoptional accessories Temperature Sensors - 1K Ohm RTDSafety caution Start-UpChecklist for unitSafety Danger Safety CautionStart-UpChecklist for unit Start-UpChecklistStart-UpChecklist for Evaporative Cooler Special Tools RequiredOptional Accessories section OPTIONAL ACCESSORIES ChecklistSetting Factory DefaultFan Belt Drives unit start-upFans Forward Curved Type Fan Performance Modificationsunit start-up Direction of Fan Wheel RotationFan RPM Vibrationunit start-up Drive BeltAir Seals Energy Recovery WheelApply lubrication where required routine maintenanceSafety Danger Safety CautionFan Motors LubricationDampers Fan BeltsBearings External Filter MaintenanceInternal Filter Maintenance Door Seal MaintenanceAccess to wheel through outdoor air filter door Energy Recovery Wheel Maintenanceroutine maintenance ACCESSING ENERGY RECOVERY WHEELEnergy Recovery Wheel Bearings routine maintenanceCLEANING THE ENERGY RECOVERY WHEEL Energy Recovery Wheel BeltModel HRE PARTS LISTWinter Operation SEQUENCE OF OPERATIONBasic Unit Summer OperationUnit #1 Troubleshooting AirflowTest and Balance Report Pressure Drop Across Energy Recovery WheelCorrective Action TroubleshootingSymptom Possible CausePossible Cause WarrantyTroubleshooting Symptom