Page 2 - Model ERV; Additional Features
2 Louvered intake weatherhood lowers supply air intake velocities to prevent rain and snow from being pulled in to the unit. Each hood has washable aluminum mesh prefilters blocking debris or leaves.2-inch outdoor and return air filters with a MERV 8 (30% efficiency) rating and are set into filter r...
Page 4 - For the Building Owner; For the Maintenance Personnel; What is the Benefit with
4 For the Building Owner • Improved Indoor Air Quality (IAQ) Introducing fresh, outdoor air to a building is a key component to sustaining excellent indoor air quality. Outdoor air can be very expensive to heat and cool, but the ERV unit can provide an economical approach to delivering outdoor air i...
Page 5 - For the Design Engineer; For the Contractor
5 For the Design Engineer • Adhering to ASHRAE Guidelines ASHRAE Standard 90.1 provides design guidelines regarding when it is most beneficial to use energy recovery. Depending upon your geographic location and the percentage of outdoor air in the application, ASHRAE recommends when to use energy re...
Page 6 - Accessories
6 Accessories Low-Leakage Dampers — Internally mounted for both supply and exhaust Where code requires low-leakage dampers they can be provided to keep the cold weather out in the winter, or hot and humid weather out during the summer. Since the dampers are wired to a single-point power source, a si...
Page 8 - Frost Protection
8 Accessories Economizer Control (Free Cooling) Take advantage of cool outdoor air to handle space loads. A call for cool air is sent to the unit’s control center which triggers one of a few different options to bring in fresh cool air: Energy Wheel On/Off The wheel cycles off when it’s in the free ...
Page 9 - Arrangements; Interior
9 Arrangements This compact design is ideal for the space limitations that routinely complicate interior installations. Arrangement A Specify Arrangement A for interior mounting. All ERV sizes are available in this arrangement. Fig. 1 is typical for ERV-251, -361, -521, and -581. Intake Hood Intake ...
Page 10 - Dimensions; Arrangement A; Service Clearance
10 Dimensions ERV-251, ERV-361, ERV-521, ERV-581 Installation must allow clearance for access to the energy recovery wheel on the supply side. Minimum clearances are shown in the table at right. Page 4 shows the side panel that enables wheel access. Model Exterior Dimensions Duct Dimensions Weight (...
Page 11 - Arrangement C
11 Dimensions ERV-522 and ERV-582 The installation must allow clearance for access to the energy recovery wheels and servicing. Minimum clearances are shown in the table at right. Model ERV-522 and ERV-582 energy wheels are mounted in an upright position, side by side. For servicing, the energy whee...
Page 12 - Performance; Supply and Exhaust - Belt and Direct Drive
12 The airflow performance data shown applies to arrangement A and is licensed to bear the AMCA Seal for Air Performance. Performance data for other arrangements may differ slightly. For specific performance for all arrangements, use Greenheck’s Computer Aided Product Selection (CAPS) program.All mo...
Page 13 - Supply and Exhaust - Belt Drive
13 Performance Supply and Exhaust - Belt Drive ERV-521S (Standard Airflow) CFM OV EXTERNAL STATIC PRESSURE (in. wg) 0.125 0.25 0.375 0.50 0.75 1.00 1.25 1.50 2,200 2,183 FRPM 830 881 933 981 1072 1155 1238 1315 BHP 0.72 0.80 0.87 0.95 1.09 1.25 1.41 1.57 2,700 2,679 FRPM 998 1040 1081 1124 1203 1278...
Page 14 - Selection Guidelines; Motor Specifications
14 Selection Guidelines Motor Specifications Blower motor information must be specified to select unit. The horsepower, voltage, phase and enclosure availability is presented in the table on the right. If exhaust and supply blower horsepower are different, consult the CAPS program. Minimum Circuit A...
Page 15 - Typical Applications
15 The ERV unit can add to the benefit of a building design anywhere that outdoor air is required and the exhaust air is considered “clean” (ASHRAE class 1 or class 2 air ratings). Some examples of commercial and institutional applications where energy recovery units have been utilized are given bel...
Page 16 - Model MiniVent - Energy Recovery Ventilator; Our Warranty; Greenheck’s Energy
P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • greenheck.com Prepared to Support Green Building Efforts 00.TAP.1000 R7 6-2010 SN Copyright © 2010 Greenheck Fan Corp. Model MiniVent - Energy Recovery Ventilator The MiniVent-450 & 750 are energy recovery ventilators used for comm...