Greenheck Fan ERV-581, ERV-522, ERV-582, ERV-521, ERV-251, ERV-361 manual Dimensional Data

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Dimensional Data

ERV-251, 361, 521 and 581

Unit Size

 

Exterior Dimensions

 

A

B

C

D

E

 

 

 

 

 

 

 

ERV-251

46

34

27

12

8

 

 

 

 

 

 

ERV-361

62

51

34

18

15

 

 

 

 

 

 

ERV-521

67

67

44

16

15

 

 

 

 

 

 

ERV-581

75

70

67

16

22

 

 

 

 

 

 

All dimensions are in inches.

Outdoor Air Discharge

L x K

Exhaust Air Inlet

F x GOutdoor Air Inlet

Q x P

C

AB

Exhaust Air Discharge

L x K

Arrangement A

Outdoor Air Discharge

L x K

BA

D

C

E

Exhaust Air Inlet

F x G

Intake Hood

Exhaust Hood

Arrangement C

12Model ERV Energy Recovery Unit

Unit Size

 

Unit Opening Dimensions

 

F

G

K

L

Q

P

 

 

 

 

 

 

 

 

ERV-251

10

16

634

7

10

16

ERV-361

18

18

838

1112

19

18

ERV-521

24

24

1034

1312

26

26

ERV-581

22

27

16

1834

28

48

All dimensions are in inches.

Outdoor Air Discharge

L x K

BA

D

C

E

Exhaust Air Inlet

F x G

Exhaust Hood

Intake Hood

Arrangement B

Outdoor Air Discharge

L x K

BA

D

C

 

E

Exhaust Air Inlet

 

F x G

 

Exhaust Hood

Intake Hood

 

Arrangement D

Image 12
Contents General Safety Information Models ERV-251 ERV-361 ERV-521 ERV-581 ERV-522 ERV-582Inspection and Maintenance during Storage ReceivingUnpacking HandlingTable of Contents Supplemental Installation Operation and Maintenance ManualsInstallation Basic OperationLifting Recommended Roof OpeningCurb Outside Dimensions and Weights Curb Outside DimensionsRoof Curb Mounting Ductwork ConnectionsRail Mounting / Layout Service Clearances ERV-251, ERV-361, ERV-521, ERV-581 ERV-522, ERV-582Arrangement a Arrangement B, C or DField Control Wiring Length/Gauge Electrical InformationUnit Accessories Access Panel Description and Location ERV-251, ERV-361, ERV-521, ERV-581 ERV-522Outdoor Air Dimensional Data ERV-522 Unit Size Exterior Dimensions Arrangement C Arrangement DOptional Accessories Frost Threshold Temperatures Indoor RH @ 70FFrost Control Application/Operation Testing Temperature Sensor with Override Economizer Application/OperationModulating the Wheel Enthalpy Sensor with OverrideVariable Frequency Drives for Energy Recovery Blowers Factory Set PointsDrive Operation Variable Frequency Drives for Energy Recovery Wheel Resetting the drive to factory defaultsEconomizer Signal Source 10 VDCTypical Wiring Diagram TransformerService Outlet Rotation SensorDirty Filter Sensor CO2 SensorRemote Control Panel and Wiring Schematics Indicator Lights powered by the ER UnitDay Timer or On/Off Switch Hand/Off/Auto SwitchTemperature Sensors 1K Ohm RTD Sensors Mounted by FactoryPressure Sensors analog or digital Amp Current Sensors analog or digitalPre Start-Up Checklist check as items are Start-Up ChecklistStart-Up General Start-Up InformationOptional Accessories Checklist Optional Accessories sectionEconomizer Application / Operation section Variable Frequency Drives sectionUnit Start-Up Energy Recovery Wheel VibrationDrive Belt Air SealsRoutine Maintenance Maintenance Procedures LubricationFan Belts Fan MotorsExternal Filter Maintenance Door Seal MaintenanceEnergy Recovery Wheel Maintenance Internal Filter MaintenanceAccessing the Energy Recovery Wheel in Models ERV-522 Removing the Energy Recovery Wheel in ERV-251Wheel segment removed Cleaning the Energy Recovery Wheel Energy Recovery Wheel BeltEnergy Recovery Wheel Bearing Parts List Inside layout of ERV-361 Inside layout of ERV-522Other Accessories Sequence of OperationBasic Unit Summer OperationTroubleshooting Airflow Troubleshooting Unit Symptom Possible Cause Corrective ActionTroubleshooting Unit Maintenance Log Warranty

ERV-361, ERV-251, ERV-521, ERV-582, ERV-522 specifications

Greenheck Fan has established itself as a leader in the design and manufacturing of high-performance ventilation systems, including its innovative energy recovery ventilators (ERVs). Among their popular models are the ERV-581, ERV-522, ERV-582, ERV-521, and ERV-251, each designed to enhance indoor air quality while optimizing energy efficiency.

The ERV-581 offers comprehensive ventilation solutions for commercial buildings, equipped with advanced heat recovery technology. This model features a robust, compact design, allowing for easy installation in limited spaces. Its efficient energy recovery capabilities transfer heat and moisture between incoming and outgoing airstreams, leading to significant reductions in heating and cooling costs. The ERV-581 also includes a user-friendly control panel for simplified operation.

Next in line, the ERV-522 is engineered for larger spaces, balancing higher airflow rates with enhanced energy recovery performance. This model is particularly beneficial for schools and office buildings, where maintaining fresh air quality is paramount. The ERV-522 employs a two-stage filtration system, ensuring that airborne pollutants are effectively captured before being circulated back into the environment. Its resilient construction further ensures longevity and durability in demanding applications.

The ERV-582 enhances the lineup with its dual-function capability, serving both as an energy recovery ventilator and a dehumidification system. This flexibility makes it an ideal choice for climates with high humidity levels, where moisture control is essential. The ERV-582 incorporates Greenheck’s patented technology for optimal performance under varying temperature and humidity conditions, making it a versatile solution for diverse environments.

The ERV-521 stands out with its eco-friendly design, featuring recyclable components that align with sustainable building practices. This model is particularly favored in LEED-certified projects, where energy efficiency and minimal environmental impact are essential. The ERV-521 also includes an intelligent control system that adjusts airflow rates based on occupancy levels, ensuring optimal energy usage.

Finally, the ERV-251 is a compact, energy-efficient model suited for residential installations. It is designed to fit seamlessly into homes, providing essential ventilation while reducing energy consumption. The user-friendly interface allows homeowners to monitor and adjust settings easily, making the ERV-251 a popular choice for those looking to improve indoor air quality without compromising on comfort.

Together, these Greenheck ERV models exemplify cutting-edge technologies and engineering, paving the way for healthier indoor environments while promoting energy conservation. Each unit is tailored to meet specific application needs, making them invaluable assets for any ventilation strategy.