Greenheck Fan 45, 90 Optional Accessories Checklist, Economizer Application / Operation section

Page 31

OPTIONAL ACCESSORIES Checklist

Refer to the respective sections in this Installation, Operation and Maintenance Manual for detailed information.. Refer to wiring diagram in unit control center to determine what electrical accessories were provided..

Provided with Unit?

Frost Control Application / Operation section:

Setting

 

 

Factory Default

 

 

 

 

 

 

 

Yes

No

Frost Control Setpoint

 

 

 

5ºF

 

 

 

 

 

 

 

 

 

Differential

 

 

 

2ºF

 

 

Timer

 

 

 

Refer to IOM

 

 

 

 

 

 

 

Yes

No

Frost Control Modulating

 

 

 

Refer to IOM

 

 

 

 

 

 

 

 

 

 

 

 

Economizer Application / Operation section:

 

 

 

 

 

 

 

 

 

 

 

Yes

No

Economizer (temperature)

 

 

 

 

 

 

 

 

 

 

 

 

 

Setpoint

 

 

 

65ºF

 

 

 

 

 

 

 

 

 

Offset

 

 

 

20ºF

 

 

 

 

 

 

 

 

 

Differential

 

 

 

2ºF

 

 

 

 

 

 

 

Yes

No

Economizer (enthalpy)

 

 

 

 

 

 

 

 

 

 

 

 

 

Setpoint

 

 

 

B

 

 

 

 

 

 

 

Yes

No

Economizer (modulating)

 

 

 

Refer to IOM

 

 

 

 

 

 

 

 

 

Optional Accessories section:

 

Operational

 

 

 

 

 

 

Yes

No

Wheel Rotation Sensor

Yes

No

N/A

 

 

 

 

 

 

Yes

No

OA Dirty Filter Sensor

Yes

No

N/A

 

 

 

 

 

 

Yes

No

EA Dirty Filter Sensor

Yes

No

N/A

 

 

 

 

 

 

Yes

No

CO2 Sensor

Yes

No

N/A

 

 

 

 

 

 

Yes

No

Service Outlet

Yes

No

N/A

 

 

 

 

 

 

Yes

No

Vapor Tight Lights

Yes

No

N/A

 

 

 

 

 

 

Yes

No

Remote Control Panel

Yes

No

N/A

 

 

 

 

 

 

 

 

Variable Frequency Drives section:

 

Operational

 

 

 

 

 

 

Yes

No

Blower VFDs

Yes

No

N/A

 

 

 

 

 

 

Yes

No

Wheel VFD

Yes

No

N/A

 

 

 

 

 

 

 

 

 

Damper section:

 

 

Operational

 

 

 

 

 

 

Yes

No

Outdoor Air Damper

Yes

No

N/A

 

 

 

 

 

 

Yes

No

Exhaust Air Damper

Yes

No

N/A

 

 

 

 

 

 

Yes

No

Night Setback Damper

Yes

No

N/A

 

 

 

 

 

 

 

Yes

No

Indirect Gas Furnace (refer to the PVF IOM, Part #461006 for start-up information)

 

 

 

 

 

Standard

Indirect Evaporative Cooler Section (refer to Evap Start-Up checklist on following page)

 

 

 

 

 

 

Yes

No

Direct Evaporative Cooler Section (refer to Evap Start-Up checklist on following page)

 

 

 

 

 

 

 

31

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Contents Indirect Evaporative Cooler Read and Save These INSTRUCTIONS461248Direct Evaporative Cooler Storage TABLE OF ContentsBasic Operation Safety Warning InstallationLifting Roof Curb Mounting Exhaust Weatherhood Rail MountingDuctwork Connections Supply WeatherhoodElectrical Information Exploded Detail Terminal Strip TYPICAL CONTROL CENTER COMPONENTSHRE-20 HRE-45 Service Clearances / access panel locationsHRE-55 HRE-90 Dimensional data Dimensional Data / Access Door DescriptionsModel Exterior Dimensions HRE-20 Overall Exterior Dimensions ModelEvap Module START-UP Evap Module InstallationStandard Trap and Supply Line Configuration Evaporative Cooling ModulesHRE Water SUPPLY CONNECTION Location Water Flow Adjustment DevicePump and Float ComponentsTop View Auto Drain and Fill with Freeze Protection EvaporativeEvaporative FreezeTimer ProtectionTrap & Supply Line Configuration with Auto Drain and Fill Water Control Options for Evaporative CoolingDrain Trap Drain and Overflow Connection Locations Symptom Solution Troubleshooting for evaporative moduleEvaporative Cooling Maintenance Post-Heater Control Panel Optional accessoriesElectric Heater Application/Operation Electric PreheaterFrost Control Application/Operation Frost Threshold TemperaturesTimer TestingModulating the Wheel Enthalpy Sensor With Override Economizer Application/OperationYaskawa Yaskawa E7 Variable Frequency Drives for BlowersFactory Setpoints Modulating Control 0-10 VDC for FAN Speed Variable Frequency Drives for Energy Recovery WheelTransformer Wiring DiagramDirty Filter Sensor Rotation SensorCO2 Sensor Service OutletVapor Tight Lights Remote Control Panel and Wiring Schematics Optional AccessoriesIndicator Lights powered by the ER Unit Remote Panel Wiring SchematicsHeating/Cooling Switches and Night Setback Switch/Timer Sensors Mounted by Factory Temperature Sensors 1K Ohm RTDSafety Danger Start-Up Checklist for unitSafety Caution Start-Up Checklist for Evaporative Cooler Start-Up ChecklistSpecial Tools Required Variable Frequency Drives section Optional Accessories ChecklistOptional Accessories section Economizer Application / Operation sectionFan Belt Drives Unit start-upFans Forward Curved Type Fan Performance ModificationsRotation Direction Direction of Fan Wheel RotationFan RPM VibrationAir Seals Drive BeltInside layout of HRE unit Date Routine maintenanceFan Motors LubricationDampers Fan BeltsBearings External Filter MaintenanceInternal Filter Maintenance Door Seal MaintenanceAccess to wheel through Outdoor air filter door Energy Recovery Wheel MaintenanceWheel segment removed Wheel Bearing Wheel Belt & PulleyModel HRE Parts ListWinter Operation Sequence of OperationBasic Unit Summer OperationMeasured Airflow Pressure Drop Across Energy Recovery WheelTest and Balance Report Design AirflowSymptom Possible Cause Corrective Action TroubleshootingWarranty
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45, 55, 90, HRE-20 specifications

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