Greenheck Fan HRE-45, HRE-20, HRE-90, HRE-55 manual Table of Contents, Storage, General

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TABLE OF CONTENTS

Storage

. 2

Economizer Application/Operation

. . .14

General

. 2

Auto Dry Cycle

. . .14

Installation

. 3

Start Up Checks

. . . 15

Lifting

. .3

Fan wheel

. . 15

Unit Weights

. .3

Fan RPM

. . 16

Recommended Roof Openings

. .3

Energy Recovery Wheel

. . 16

Roof Curb Mounting

. .4

Coils

. . 17

Duct Work Connections

. 4

Routine Maintenance

17-18

Weatherhoods

. 4

Belts

. . .17

Electrical

. .5

Motors

. . .17

Service Clearances

. 6

Blower Wheel and Fasteners

. . .17

Evaporative Cooling Modules . . . . . 7-10

Vibration

. . .18

Evap Module Start-Up

. .7

Filters

. . 18

Water Control Options

. .8

Coil Maintenance

. . .19

Trouble Shooting

. .9

Energy Recovery Wheel Maint . . .

. . . 20

Maintenance

.10

Accessing Energy Recovery Wheel . . .20

Water Coil Recommendations

11

Removing Wheel Segments

. . .21

Electric Heater Application/Operation 12

Cleaning Wheel Segments

. . .21

Frost Control Application/Operation

.13

Parts List

. . .22

Dirty Filter Switch Operation

.13

Unit Trouble Shooting

23-24

STORAGE

When a unit is not going to be in service for an extended amount of time, certain procedures should be followed to keep the fans in proper operating condition.

Rotate fan wheel monthly and purge grease from bearings once every three months

Cover unit with tarp to protect from dirt and moisture (Note: do not use a black tarp as this will promote condensation)

Energize fan motor once every three months

Store belts flat to keep them from warping and stretching

Store unit in location which does not have vibration

After storage period, purge grease from fan bearings before putting fan into service

If storage of unit is in a humid, dusty or corrosive atmosphere, rotate the fan and purge the bearings once a month. Improper storage which results in damage to the unit or components will void the warranty.

GENERAL

Greenheck Energy Recovery units with Tempering are thoroughly inspected and test run at the factory. However, damage may occur during handling and shipping. Consequently, it is important to inspect the unit for visible and concealed damage before beginning installation. Report any damage to the shipper immediately. In addition, assure all accessory items are present. Some accessory items are stored inside the unit during shipping. Care must be taken during installation to prevent damage to units.

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Contents INSTALLATION, Operation and Maintenance Manual Read and Save These InstructionsGeneral Table of ContentsStorage Recommended Roof Opening InstallationLifting Supply Weatherhood Roof Curb MountingDuct Work Connections Exhaust WeatherhoodTypical Control Center Components InstallationElectrical Connections Service Clearances / Access Panel Locations for Model HRE TOP ViewEvaporative Cooling Modules Evap Module Start-UpWater Control Options for Evaporative Cooling Trouble Shooting for Evaporative Module Symptom SolutionEvaporative Cooling Maintenance Water Coil Application Recommendations Electric Heater APPLICATION/OPERATION Electric PreheaterDirty Filter Switch Setup Frost Control APPLICATION/OPERATIONEconomizer APPLICATION/OPERATION Auto DRY CycleStart UP Checks Pre-Start Check ListCoils Energy Recovery WheelFAN RPM Motors Routine MaintenanceFAN Belts Wheel and FastenersVibration External Filter MaintenanceInternal Filter Maintenance Filters Water Coil MaintenanceCoil Maintenance Routine Energy Recovery Wheel Maintenance Maintenance of the Energy Recovery WheelRemoving the Energy Recovery Wheel Segments Parts List Model HRETrouble Shooting Trouble Shooting Warranty
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HRE-55, HRE-45, HRE-90, HRE-20 specifications

The Greenheck Fan HRE series, specifically the models HRE-20, HRE-90, HRE-55, and HRE-45, represents a blend of innovation and efficiency in the HVAC industry. Built for both commercial and industrial applications, these exhaust fans stand out due to their robust design and advanced operational features.

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