Vektor-ERS Energy Recovery Plenum Laboratory Exhaust
Installation, Operation and Maintenance Manual
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the
product described. Protect yourself and others by observing all safety information. Failure to comply with instructions
could result in personal injury and/or property damage! Retain instructions for future reference.
Part Number 474118
Energy Recovery Laboratory Exhaust
Greenheck model VKERS is a pre-engineered energy
recovery system designed to connect directly to a
Vektor-MD high plume dilution blower with bypass air
plenum. This installation manual covers procedures
for receiving, installing and maintaining the energy
recovery coil section.
For additional instruction and maintenance
information on the Vektor-MD high plume dilution
blowers, visit www.greenheck.com and download the
VK-MD instruction manual, part number 464652.
Only qualiﬁed personnel should install this fan system.
Personnel should have a clear understanding of these
instructions and should be aware of general safety
precautions. Improper installation can result in electric
shock, possible injury due to coming in contact with
moving parts, as well as other potential hazards.
Other considerations may be required if high winds
or seismic activity are present. If more information
is needed, contact a licensed professional engineer
before moving forward.
1. Follow all local electrical and safety codes, as well
as the National Electrical Code (NEC), the National
Fire Protection Agency (NFPA), where applicable.
Follow the Canadian Electric Code (CEC) in
2. The rotation of the wheel is critical. It must be free
to rotate without striking or rubbing any stationary
3. Motor must be securely and adequately grounded.
4. Do not spin fan wheel faster than maximum
cataloged fan rpm. Adjustments to fan speed
signiﬁcantly effects motor load. If the fan RPM is
changed, the motor current should be checked to
make sure it is not exceeding the motor nameplate
5. Do not allow the power cable to kink or come in
contact with oil, grease, hot surfaces or chemicals.
Replace cord immediately if damaged.
6. Verify that the power source is compatible with the
7. Never open access doors to a duct while the fan is
General Safety Information
Always disconnect power before working on or near
a fan. Lock and tag the disconnect switch or breaker
to prevent accidental power up.
When servicing the fan, motor may be hot enough
to cause pain or injury. Allow motor to cool before
Precaution should be taken in explosive