Greenheck Fan 90 Dimensional Data / Access Door Descriptions, Model Exterior Dimensions HRE-20

Page 9

DIMENSIONAL DATA / ACCESS DOOR DESCRIPTIONS

Model

 

 

 

Exterior Dimensions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

B

C

D

 

E

 

F

G

 

H

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-20

98

50

56

18

 

28..5

 

17

6

 

14..25

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-45

106

69

66

16

 

41

 

23..375

10..5

 

13..375

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-55

118

70

76

16

 

59..5

 

5..875

7..125

 

21..25

 

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-90

131

85

96

16

 

78

 

2..875

10

 

24..5

 

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

All dimensions shown are in inches..

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Overall Exterior Dimensions

 

 

 

 

 

 

Model

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Width

 

 

Overall Width

 

 

Overall Length

 

 

 

 

 

 

 

 

 

 

 

(including Lifting Lugs)

(with Exhaust Hood)

(with Outdoor Air Hood)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-20

 

59..5

 

 

75

 

 

 

116

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-45

 

69..5

 

 

86

 

 

 

122

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-55

 

79..5

 

 

101

 

 

 

134

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HRE-90

 

99..5

 

 

123

 

 

 

147

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

All dimensions shown are in inches..

Following is a list of items accessible through the access doors shown on the diagram at the right.. Some items are optional and may not have been provided..

1)

Exhaust blower, motor, and drives

 

 

 

 

 

2)

Aluminum mesh filters (intake hood)

 

5b

 

 

 

3)

Energy recovery wheel, motor, belt, and seals

 

 

 

 

3

 

Outdoor air filters

 

 

 

4

D

 

Outdoor air intake damper (optional)

 

5a

 

 

 

 

 

 

 

 

Electric preheater (optional)

6

 

 

 

 

 

Frost control sensors (optional)

B

 

 

 

 

 

Economizer sensors (optional)

 

 

 

 

 

 

 

 

 

 

4)

Direct evaporative cooler, drain pan,

7

 

H

 

 

 

and pump (optional)

 

 

E

 

 

 

 

 

5a)

Outdoor air blower, motor, and drives

 

 

 

2

 

 

(without indirect gas furnace)

 

 

 

 

 

 

 

 

1

 

5b)

Outdoor air blower, motor, and drives

 

 

I

 

 

 

 

F

 

(with indirect gas furnace)

 

 

 

 

 

 

 

 

 

6)

Control center

A

 

 

 

 

 

All electrical controls

 

 

 

C

 

 

VFDs for blowers (optional)

 

 

G

 

 

 

 

 

 

 

VFD for energy recovery wheel (optional)

 

 

 

 

 

7)

Indirect evaporative cooler, drain pan, and pump

 

 

 

 

 

 

Exhaust air filters

 

Dimensional data and

 

 

Exhaust air intake damper (optional)

 

access door locations

 

9

Image 9
Contents Read and Save These INSTRUCTIONS461248 Indirect Evaporative CoolerDirect Evaporative Cooler TABLE OF Contents StorageBasic Operation Installation Safety WarningLifting Roof Curb Mounting Ductwork Connections Rail MountingSupply Weatherhood Exhaust WeatherhoodElectrical Information Exploded Detail Terminal Strip TYPICAL CONTROL CENTER COMPONENTSService Clearances / access panel locations HRE-20 HRE-45HRE-55 HRE-90 Model Exterior Dimensions HRE-20 Dimensional Data / Access Door DescriptionsOverall Exterior Dimensions Model Dimensional dataStandard Trap and Supply Line Configuration Evap Module InstallationEvaporative Cooling Modules Evap Module START-UPWater Flow Adjustment DevicePump and Float Components HRE Water SUPPLY CONNECTION LocationTop View Trap & Supply Line Configuration with Auto Drain and Fill EvaporativeEvaporative FreezeTimer ProtectionWater Control Options for Evaporative Cooling Auto Drain and Fill with Freeze ProtectionDrain Trap Drain and Overflow Connection Locations Symptom Solution Troubleshooting for evaporative moduleEvaporative Cooling Maintenance Electric Heater Application/Operation Optional accessoriesElectric Preheater Post-Heater Control PanelTimer Frost Threshold TemperaturesTesting Frost Control Application/OperationModulating 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 SensorService Outlet CO2 SensorVapor 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 RTDStart-Up Checklist for unit Safety DangerSafety Caution Start-Up Checklist Start-Up Checklist for Evaporative CoolerSpecial Tools Required Optional Accessories section Optional Accessories ChecklistEconomizer Application / Operation section Variable Frequency Drives sectionFans Forward Curved Type Unit start-upFan Performance Modifications Fan Belt DrivesFan RPM Direction of Fan Wheel RotationVibration Rotation DirectionDrive Belt Air SealsInside layout of HRE unit Date Routine maintenanceDampers LubricationFan Belts Fan MotorsInternal Filter Maintenance External Filter MaintenanceDoor Seal Maintenance BearingsEnergy Recovery Wheel Maintenance Access to wheel through Outdoor air filter doorWheel segment removed Wheel Bearing Wheel Belt & PulleyModel HRE Parts ListBasic Unit Sequence of OperationSummer Operation Winter OperationTest and Balance Report Pressure Drop Across Energy Recovery WheelDesign Airflow Measured AirflowSymptom Possible Cause Corrective Action TroubleshootingWarranty
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45, 55, 90, HRE-20 specifications

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