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ERW3000 Energy Revovery Wheel Specifications
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Operating Principle:

Optimal energy transfer The ERW3000 Series installed in a ventilation system recovers both heat and moisture from one air stream and transfers it to the other. It supplies a continuous flow of fresh air providing a comfortable level of humidity at a minimal ventilation cost.

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Dimensional Data

Diameter
in/mm
 Width (W)
in/mm
 Height (H)
in/mm
Depth (D)
in/mm
Weight
lb/kg
48/1219 58/1473
58/1473
15/381
720/327.3
54/1372 64/1626
64/1626
15/381
790/359.1
62/1575 72/1829
72/1829
15/381
910/413.6
70/1778 80/2032
80/2032
15/381
1080/490.9
78/1981 87/2210
87/2210
 15/381 1230/559.1
88/2235
 95/2413
 95/2413
 16/406
 1400/636.4
96/2438
 103/2616
 103/2616
 16/406
 1560/709.1
108/2743
 115/2921
 115/2921
 16/406
 1800/818.2
120/3048
 127/3226
 127/3226
 16/406
 2080/945.5
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1. General specifications

1.1 Furnish and install the ERW3000 energy recovery wheel, to be manufactured by Innergy tech inc.

1.2 The energy recovery wheel shall transfer both sensible and latent energies between outgoing and incoming air streams in a counter flow arrangement.

1.3 The energy recovery wheel shall be labeled for direction of air flow, exhaust and supply inlets and outlets.

1.4 The energy recovery wheel must be manufactured in North America.

1.5 The energy recovery wheel manufacturer must have at least ten (10) years of experience in the manufacturing of energy recovery components.

2. Product Specifications:
Media

2.1 The rotor media shall be made of aluminum with a minimum thickness of 2 mil.

2.2 All surfaces shall be coated with a non-migrating desiccant specifically developed for the water vapor transfer.

2.3 Etched or oxidized surfaces are not acceptable.

2.4 Desiccant must be a polymer hygroscopic coating.

2.5 Desiccant shall be bactericide and non-corrosive.

2.6 The rotor shall be constructed of equal width alternate layers of corrugated and flat aluminum sheet material to create a flat and smooth surface.

2.7 Dry particles up to 800 microns shall freely pass through the wide angle media, minimizing air pressure drop and pre-filtering requirements.

2.8 As specified in ASHRAE 52.2-1999, MERV 6 type filters shall be used on both faces of the wheel. Filters to be supplied by others.

Purge & Casing Assembly

2.9 The unit shall be provided with a factory set, but field adjustable, purge section designed to limit cross contamination when operated under appropriate design conditions.

2.10 The rotor shall be provided with a structural frame which limits the deflection of the rotor due to air pressure differential to less than 1/16 of an inch.

2.11 The framing shall be made of heavy-duty welded tubular steel construction.

2.12 Framing shall be painted with polyester based enamel.

2.13 The cover panels shall be made of galvanized steel to prevent corrosion.

2.14 The cassette shall be mounted with removable cover panels for service access to the motor and drive.

2.15 The rotor shall be supported by two pillow block bearings which can be maintained or replaced without removal of the rotor from its casing or the media from its spoke system.

Rotor seals

2.16 The rotor shall be supplied with non-contact labyrinth seals facing the media and with nylon contact seals on all other surfaces.

2.17 The seals shall be specifically designed to compensate for pressure fluctuations.

2.18 The seals shall be adjustable to ensure proper sealing. Rotor frame system

2.19 Rotor spoke system shall be a segmented design.

2.20 The rotor spoke system shall be made of strong aluminum materials providing the structural
integrity required at design pressure differentials.

2.21 The rotor hub shall be made of extruded aluminum, without welding, for precision machining and stiffness.

Drive system

2.22 The rotor shall be driven by a high performance link belt made of polyurethane elastomer reinforced with polyester for easier installation and replacement.

2.23 An A/C inverter duty motor shall drive the rotor.

2.24 Wheel shall be perimeter driven.

2.25 Speed reduction is available by pulley change out or by controlling the motor frequency.

2.26 Speed reducer shall be permanently lubricated.

Options

2.27 Optional VFD controllers.

2.28 Optional wheel surface paint for applications in corrosive environments.

3- Quality Assurance Specifications:

3.1 The energy recovery wheel shall be a UL recognized component and bear the UL mark.

3.2 The energy recovery wheel shall comply with the requirements of UL723.

3.3 The manufacturer’s quality procedures shall be ISO 9001–2000 certified.

3.4 The manufacturer shall be a participant in the ARI Standard 1060-2005 certification program.

4- Performance Specifications:

4.1 The energy recovery wheel shall bear the ARI 1060-2005 Standard Certified Product Seal.

4.2 Sensible, latent and total effectiveness along with pressure drop, EATR and OACF ratings, shall be clearly documented in the ARI Certified Product Directory (Standard 1060-2005).

4.3 Performance tests shall be conducted in accordance with AHSRAE Standard 84-91.

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