RenewAire EV Premium S Energy Recovery Ventilator Instruction Manual Specifications:
- May 15, 2024
- RenewAire
Table of Contents
EV Premium S Energy Recovery Ventilator
Specifications:
-
Model: EV-Series Premium
-
Available Models: S/SH, M/MH, L/LH, X/XH
-
Intended Use: Ducted Ventilation Only
-
Ducting Requirement: At least 40 inches [1 meter] in length on
all four airstreams -
Safety Features: Electrical shock prevention, protection from
high-speed moving parts -
Installation Requirements: Compliance with SMACNA guidelines
and OSHA-approved work practices
Product Usage Instructions:
1. Safety Precautions:
Before installing or operating the EV Series Premium ERV, ensure
to follow these safety precautions:
-
Disconnect power supply when working on electrical wiring to
prevent electric shock. -
Avoid contact with high-speed moving parts; disconnect power
before working near the fans. -
Follow OSHA-approved work practices and wear Personal
Protective Equipment (PPE) during installation. -
Only trained and authorized personnel should access the
electrical box and controller.
2. Installation:
Follow these steps for proper installation:
-
Ensure all ductwork is designed and installed according to
SMACNA guidelines. -
Hoist hardware overhead carefully and observe OSHA-approved
work practices. -
Install ducting of at least 40 inches [1 meter] in length on
all four airstreams.
3. Operation:
To operate the ERV:
- Refer to the manual for specific operating modes.
- Ensure the unit is properly connected to power before use.
- Monitor the unit for any unusual sounds or behaviors during
operation.
4. Maintenance:
Maintain the ERV by following these guidelines:
-
Regularly clean and inspect the unit according to the
maintenance schedule provided in the manual. -
Check for any loose connections or signs of wear and tear.
-
Contact authorized service personnel for any repairs or
maintenance beyond routine tasks.
Frequently Asked Questions (FAQ):
Q: Can I install the ERV without following the ducting
requirements?
A: No, it is essential to install ducting of at least 40 inches
[1 meter] in length on all four airstreams to ensure proper
ventilation and performance of the ERV.
Q: What should I do if I encounter an electrical issue while
operating the ERV?
A: Immediately disconnect the power supply to the ERV and seek
assistance from a qualified electrician to resolve the electrical
issue safely.
EV SERIES Premium ERV
Installation, Operation and Maintenance Manual
EV Premium S/SH EV Premium M/MH EV Premium L/LH EV Premium X/XH
Model: EV Premium L, M, S shown
ERV EV-Series Premium
CAUTION
RISK OF ELECTRIC SHOCK OR EQUIPMENT DAMAGE Whenever electrical wiring is
connected, disconnected or changed, the power supply to the ERV and its
controls must be disconnected. Lock and tag the disconnect switch or circuit
breaker to prevent accidental reconnection of electric power.
CAUTION
RISK OF CONTACT WITH HIGH SPEED MOVING PARTS This appliance has two high speed
fans that can cause injury or be damaged if objects come into contact with the
impellers when they are spinning. The fans may be controlled by external
controlling devices and switch on at any time. When working in the area of the
fans, electric power to the unit must be disconnected.
IMPORTANT
All ductwork is to be designed and installed in accordance with SMACNA
guidelines.
IMPORTANT
This ERV is intended for ducted ventilation only. Ducting at least 40 inches
[1 meter] in length must be installed on all four airstreams.
CAUTION
RISK OF INJURY FROM FALLING OBJECTS Installation of this unit requires
hoisting hardware overhead and working directly beneath heavy objects during
the installation process. Observe all OSHA-approved work practices. Always
wear OSHA-approved Personal Protective Equipment (PPE).
IMPORTANT
Only persons who have been properly trained and authorized are to access the
ERV electrical box and the controller. Changes to the controller are to be
made only by trained and authorized personnel.
IMPORTANT
This equipment is to be installed by following industry best practices and all
applicable codes. Any damage to components, assemblies, subassemblies or the
cabinet which is caused by improper installation practices will void the
warranty.
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EV-Series Premium
OWNER INFORMATION ERV
READ AND SAVE THIS MANUAL/LIRE ET CONSERVER CE MANUEL
NOTICE
This manual has space for recording operating settings at time of unit
commissioning that must be completed by the installer. See Sections 5.1 and
5.2 of this manual.
Information that is recorded is specific to just one ERV. If additional ERVs
are being documented, please make copies of these pages and identify each copy
by its unit tag.
UNIT INFORMATION
Record information as shown below. In the unlikely event that factory
assistance is ever required, this information will be needed.
Locate the RenewAire unit label, to be found outside of the appliance, near
the terminal block. Record the model and serial numbers below.
NOTE: This information is for purposes of identifying the specific air
handling appliance. Unitspecific option data can then be obtained, as needed,
from the Model Number.
ERV Model: Serial Number:
EV Premium S EV Premium M EV Premium L EV Premium X
EV Premium SH EV Premium MH EV Premium LH EV Premium XH
UNIT INFORMATION
UNIT LABEL (TYPICAL)
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TABLE OF CONTENTS ERV
EV-Series Premium
1.0 OVERVIEW
6
1.1 DESCRIPTION …………………………………………………6 1.2 OPERATING MODES …………………………………………6 1.3 UNIT WEIGHTS………………………………………………..7
2.0 COMPONENT DESCRIPTION
7
2.1 CABINET ……………………………………………………….7
2.1.1 Removable Door with Interlock Switch ……………………………7
2.2 FANS…………………………………………………………….7 2.3 CONTROLLER …………………………………………………7
2.3.1 Controller Power Supply ………………………………………………8
2.4 DUCTS ………………………………………………………….8 2.5 ENTHALPIC CORE ………………………………………….10 2.6
FILTERS ………………………………………………………10 2.7 CONTROLS TERMINAL STRIP …………………………..10
3.0 UNIT PLACEMENT
11
3.1 MOUNTING THE UNIT……………………………………..11
3.2 SERVICE CLEARANCES …………………………………..11
3.3 AC POWER SOURCE……………………………………….12
3.3.1 EV Premium S, M, L, X …………………………………………….. 12 3.3.2 EV Premium SH, MH,
LH, XH ……………………………………… 12
3.4 LOAD BEARING CAPACITY OF SUPPORTS …………..12
4.9 DAMPER OPERATION ……………………………………..17
4.9.1 Damper installation for Continuous ERV Operation …………. 18 4.9.2 Damper
Installation for Intermittent ERV Operation ………… 18
5.0 OPERATION
18
5.1 MANOMETER READINGS AT COMMISSIONING …….18
5.2 AIRFLOW READINGS AT COMMISSIONING…………..19
5.2.1 Conversion of Pressure Drop to Airflow ……………………….. 19 5.2.2 Continuous
Mode (low speed) …………………………………….20 5.2.3 Boost Mode (high speed)
…………………………………………..20
6.0 MAINTENANCE
20
6.1 MAINTENANCE AFTER 30 DAYS OPERATION ……….20 6.2 RECALIBRATION OF AIRFLOWS ………………………..20 6.3 DOOR REMOVAL ……………………………………………20 6.4 SERVICE PARTS…………………………………………….21
7.0 TROUBLESHOOTING
22
7.1 INDICATION OF PROBLEM ……………………………….22
7.2 EV PREMIUM HAS AIRFLOW BUT IS MAKING NOISE……………………………………………..22
7.4 INADEQUATE OR REDUCED AIRFLOW FROM THE EV PREMIUM ………………………………………….23
8.0 FACTORY ASSISTANCE
23
4.0 INSTALLATION
12
4.1 USER-SUPPLIED INSTALLATION MATERIALS……….12
4.2 FACTORY-RECOMMENDED ELECTRIC SERVICE ENTRY…………………………………………….12
4.2.1 EV Premium S, M, L, X …………………………………………….. 12 4.2.2 EV Premium SH, MH,
LH, XH ……………………………………… 12
4.3 FACTORY-RECOMMENDED LOW-VOLTAGE SERVICE ENTRY…………………………………………….13
4.4 ATTACHING DUCTS ………………………………………..13
4.5 SELECTING AIRFLOW SETTINGS……………………….13
4.6 BALANCING AIRFLOWS …………………………………..13
4.7 WIRING SCHEMATICS……………………………………..15
4.8 LOW-VOLTAGE WIRING DIAGRAMS ……………………17
4.8.1 Single Speed Mode CONTINUOUS……………………………….. 17 4.8.2 Low Speed
CONTINUOUS/High Speed SWITCHED………….. 17 4.8.3 Single Speed Mode SWITCHED
(Intermittent) ……………….. 17
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EV-Series Premium
TABLE OF CONTENTS ERV
TABLE OF ILLUSTRATIONS
Figure 1.2.0 EV Premium Cutaway View …………………………………6 Figure 2.1.0 Pressure Port
Locations……………………………………..7 Figure 2.4.0 Airstream
Illustration…………………………………………9 Figure 2.4.1 Separate Return Air Pick-up–Supply
Air to Furnace
Return Air Trunk ………………………………………………. 9 Figure 2.4.2 Separate Return Air and
Supply Air………………………9 Figure 2.4.3 Furnace Return Air Back into Return
Air………………..9 Figure 2.4.4 Furnace Return Air Back into Supply Air………………..9
Figure 2.6.0 EV Premium Filter Locations …………………………….. 10 Figure 2.7.0
Controls Terminal Strip ……………………………………. 10 Figure 3.1.0 Mounting the ERV to a
Stud Wall ……………………….. 11 Figure 4.6.0 Pressure Port Locations …………………………………..
14 Figure 4.6.1 Fan Speed Control Potentiometers …………………….. 14 Figure 4.7.0 EV
Premium Wiring Schematic ………………………….. 15 Figure 4.7.1 EV Premium Hard-wired
Wiring Schematic…………… 16 Figure 4.8.0 Low-Voltage Wiring Diagram 1 ………………………….
17 Figure 4.9.0 Low-Voltage Wiring Diagram 2 …………………………. 18 Figure 4.9.1 Low-
Voltage Wiring Diagram 3………………………….. 18 Figure 5.2.0 Pressure Drop to Airflow
Conversions ………………… 19 Figure 6.4.0 EV Premium Service Parts ………………………………..21
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OVERVIEW ERV
EV-Series Premium
NOTE: This unit is an Energy Recovery Ventilator, or ERV. It is commonly
referred to throughout this manual as an ERV.
NOTE: Sensible energy is often referred to as “heat energy.”
NOTE: Latent energy is often referred to as “moisture energy.”
1.0 OVERVIEW
1.1 DESCRIPTION
The EV Premium ERVs are multi-speed air-to-air energy recovery ventilators
that are designed for residential application and have multiple installation
options. They can be suspended from floor joists, or they can be mounted on a
wall or other object. Each type of installation can be accomplished by a
single person. The EV Premium S, M, L, and X have an integral line cord, ready
to be plugged into a standard 120VAC receptacle. The EV Premium SH, MH, LH,
and XH need to be hard-wired by the installer.
The ERV exhausts stale Return Air (RA) while transferring both latent and
sensible energy between an incoming fresh outdoor airstream (OA). Energy
recovery is accomplished by a static plate heat exchanger core. Each airstream
has a 120V EC fan, which provides airflow from 30 to 130 CFM for the EV
Premium S/SH, from 30 to 225 CFM for the EV Premium M/MH, from 30 to 280 CFM
for the EV Premium L/LH, and from 100 to 390 cfm for the EV Premium X/XH.
The airflow rate can be changed from Continuous to Boost at any time, using
many different optional sensors or control devices.
The unit may operate with balanced or unbalanced airflow. However, balanced
airflow provides the best energy recovery. Airflow can be adjusted using the
motor potentiometers and the values read via the door pressure taps.
The hinged door has an opening for viewing and access to the potentiometers.
The entire cabinet is lined with foil-backed 1″ thick foam insulation.
1.2 OPERATING MODES
The EV Premium has two different operating modes: Continuous and Boost.
Continuous mode should be set to provide the minimum ventilation requirement.
Boost mode can be used to supply and exhaust a greater volume of air, up to
130 CFM for the EV Premium S/SH, up to 225 CFM for the EV Premium M/MH, 280
CFM for the EV Premium L/LH, 390 cfm for the EV Premium X/XH.
The two operating modes are selectable and controlled independently so that
different controlling methods can be used to switch back and forth. Example:
an IAQ sensor could be used to switch the unit to Boost mode.
ELECTRICAL BOX
INTERLOCK SWITCH
OUTSIDE AIR DUCT
SUPPLY AIR FAN
AIR FILTERS
RETURN AIR DUCT
EXHAUST AIR FAN
EXHAUST AIR DUCT
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FIGURE 1.2.0 EV PREMIUM CUTAWAY VIEW support@renewaire.com
SUPPLY AIR DUCT
ENTHALPIC CORE
EV-Series Premium
COMPONENT DESCRIPTION ERV
1.3 UNIT WEIGHTS
The hanging weight of each EV Premium S/SH is approximately 32 pounds. The
hanging weight of each EV Premium M/MH is approximately 36 pounds. The hanging
weight of each EV Premium L/LH is approximately 52 pounds. The hanging weight
of each EV Premium X/XH is approximately 65 pounds.
The shipping weight of each EV Premium S/SH is approximately 38 pounds. The
shipping weight of each EV Premium M/MH is approximately 48 pounds. The
shipping weight of each EV Premium L/LH is approximately 66 pounds. The
shipping weight of each EV Premium X/XH is approximately 72 pounds.
2.0 COMPONENT DESCRIPTION
2.1 CABINET
The cabinet is built of 22 gauge (0.64 mm) galvanized steel and is painted
white. It has a hinged, removable door. The exterior of the unit boasts four
air pressure test ports, one lowvoltage terminal strip, an access/viewing
port, and locations for four duct connectors, (6″ or 8″, shipped loose).
2.1.1 Removable Door with Interlock Switch
The insulated access door is hinged on one side and has two securing latches
on the other side. The hinges are separable to allow for removal of the access
door for servicing. The door has an access/viewing port built in to permit
adjustment of the fan potentiometers. Directly behind the access door is a
pressure-sensitive interlock switch that will shut off power to the unit if
the door is opened during operation. Also installed on the door are four air
pressure test ports, used for connecting a manometer and taking air pressure
measurements.
SEPARABLE HINGES (2)
DUCT CONNECTORS (4)
ACCESS/VIEWING PORT
AIR PRESSURE TEST PORTS (4)
FIGURE 2.1.0 PRESSURE PORT LOCATIONS
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2.2 FANS
support@renewaire.com
The EV Premium has two advanced, high efficiency electronically commutated (EC) 120VDC variable speed fans. One fan is used for intake air (Outdoor Air/Supply Air) and the other fan is for the exhaust airstream (Return Air/Exhaust Air). The speed of each fan is controlled independently by a 010VDC signal from the controller.
2.3 CONTROLLER
The controller provides the signal to the EC motors using integral
potentiometers. Incoming line voltage powers both fans and also a step-down
Class II transformer which provides 24VAC to the externally-mounted low-
voltage terminal strips. The controller has four potentiometers that are
adjusted by the user to establish fan speeds for each operation mode.
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COMPONENT DESCRIPTION ERV
EV-Series Premium
NOTE: If you wish to install the unit in an attic or other unconditioned
space, you must insulate all of the unit’s ductwork that is located in the
attic. Use at least R-6 insulation.
NOTE: Ducts inside a building that are connected to the outside must be
insulated with a sealed vapor barrier on both the inside and the outside of
the insulation.
2.3.1 Controller Power Supply
Each EV Premium has one terminal strip mounted on the end of the unit. The
terminal strip is a 24VAC power supply terminal. The unit control board
provides up to 12VA (approximately 0.5A) which can be used to power the
various optional control accessories.
2.4 DUCTS
IMPORTANT
It is important to understand and use the equipment airstream terminology as
it is used in this manual. The airstreams are defined as:
u Outside Air (OA): Air taken from the external atmosphere and, therefore, not
previously circulated through the system.
u Supply Air (SA): Air that is downstream of the enthalpic core and is either
supplied to the occupied space or to an additional conditioner.
u Conditioned Air (CA): Air that is supplied to an occupied space.
u Return Air (RA): Air that is returned to a heating or cooling appliance from
a conditioned space.
u Exhaust Air (EA): Air that is removed from a heating or cooling appliance
and discharged.
EV Premium units are supplied with a set of 4 duct connectors that must be
field-installed. The EV Premium S/SH, M/MH and L/LH connectors can be used
with 6″ or 8″ round ducts. The EV Premium X/XH connectors can be used with 8″
flexible or 8″ oval rigid duct. It is preferable to keep duct runs short and
straight to maximize performance.
For all installations, SMACNA guidelines for duct installation should be
followed. The most commonly-used ducting is 6″ diameter flexible due to ease
of installation, sound attenuation, and cost, however, rigid ducting is
preferred because there is less resistance to airflow, resulting in less power
consumption to deliver the same amount of air.
A total of four duct runs will generally be used:
u One duct will provide clean outdoor air (Outside Air) to the EV Premium.
This duct will normally be capped by an air inlet cap mounted on the exterior
side wall of a residence and equipped with a bird screen.
Wall intakes must be located at least 10′ from any appliance vent or any vent
opening from a plumbing drainage system. Wall intakes must also be 10′ from
any exhaust fan discharge outlet unless that outlet is 3′ or more above the
intake location. (IRC 2006, Section M1602.2)
u One duct will be needed to exhaust stale air (Exhaust Air) to the outdoors.
This duct will normally end at an exhaust cap located on an exterior wall of a
residence.
u One duct will be needed to deliver fresh, conditioned air (Supply Air) from
the EV Premium to a desired location in the residence. The Supply Air duct may
end in a floor or wall grate with an area of at least 28 square inches.
Alternatively, the Supply Air duct may be connected directly into the return
air duct or the supply air duct for the main heating and cooling system. When
connecting to the main return air duct, it must be at least 3′ from the return
plenum to minimize suction from the furnace blower.
u One duct is used to collect indoor air (Return Air), running from return
grilles through the energy exchange core in the EV Premium before being
exhausted to the outdoors.
If the EV Premium is located in a conditioned space, only the OA and EA ducts
need to be insulated.
If it is installed in an unconditioned space such as an attic or crawl space,
the SA, OA, RA, and EA ducts must be insulated.
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OUTSIDE AIR (INTO UNIT)
EV-Series Premium
COMPONENT DESCRIPTION ERV
RETURN AIR (FROM OCCUPIED SPACE)
EXHAUST AIR (TO OUTDOORS)
FIGURE 2.4.0 AIRSTREAM ILLUSTRATION
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support@renewaire.com
SUPPLY AIR (TO OCCUPIED SPACE)
FIGURE 2.4.1 SEPARATE RETURN AIR PICK-UP–SUPPLY AIR TO FURNACE RETURN AIR TRUNK
FIGURE 2.4.2 SEPARATE RETURN AIR AND SUPPLY AIR
FIGURE 2.4.3 FURNACE RETURN AIR BACK INTO RETURN AIR
NOTE: ERV blower may be operated separate from furnace blower.
NOTE: ERV blower may be operated independently from furnace blower. Use
caution to introduce FA at low velocity and where good mixing will occur to
minimize discomfort from drafts
NOTE: For the setup in Figure 2.4.3, the furnace blower must be operated any
time the ERV is operated. Use furnace fan “on” continuous low speed or
optional FM control to cycle furnace fan on ERV.
NOTE: ERV blower may be operated separate from furnace blower.
FIGURE 2.4.4 FURNACE RETURN AIR BACK INTO SUPPLY AIR
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COMPONENT DESCRIPTION ERV
EV-Series Premium
NOTE: The cores used in all ERVs are static plate enthalpic cores. They are commonly referred to in this manual as “cores.”
2.5 ENTHALPIC CORE
Each EV Premium has a static-plate, cross-flow core separates the outgoing,
polluted indoor airstream from the incoming supply airstream–while
simultaneously transferring total energy (heat and water vapor) between the
two. Airstreams do not mix, and pollutants are not transferred across
partition plates.
2.6 FILTERS
Each EV Premium is equipped at the factory with mesh-type anti-microbial MERV
8 filters on both the OA and RA sides of the core. If desired, the mesh-type
OA filter can be replaced with an optional MERV 13 pleated paper filter
accessory, which will ship loose.
OA FILTER (FILTERS THE INCOMING OUTDOOR AIR FOR USE IN THE OCCUPIED SPACE AND
ALSO PROTECTS THE CORE). THIS FILTER CAN BE REPLACED WITH A
PLEATED PAPER MERV 13 FILTER.
RA FILTER (PROTECTS THE CORE FROM DUST AND DIRT BEING CARRIED BY THE RETURN AIRSTREAM)
FIGURE 2.6.0 EV PREMIUM FILTER LOCATIONS
2.7 CONTROLS TERMINAL STRIP www.renewaire.com (800) 627- 4499
support@renewaire.com
A single terminal strip is located at the end of each EV Premium, providing a 24VAC connection to Boost mode or to control accessories. For detailed information, see the Low-Voltage Wiring Diagrams in Section 4.8 of this manual.
HIGH SPEED (BOOST) MODE 24VAC
COMMON
DAMPER 120VAC LINE CORD (EV PREMIUM S, M, L, X ONLY)
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FIGURE 2.7.0 CONTROLS TERMINAL STRIP
EV-Series Premium
UNIT PLACEMENT ERV
3.0 UNIT PLACEMENT
RenewAire recommends installation of the EV Premium by a professional HVAC
installer with knowledge of local building codes who is able to properly
balance the air streams prior to use. The EV Premium can be installed by one
person.
3.1 MOUNTING THE UNIT
u UNIT MAY BE INSTALLED IN ANY ORIENTATION Orient the unit for the simplest
duct layout and connections. May be installed in any position providing
sufficient clearance as shown in the front of this manual. Preferred position
is horizontal so that the hinged access door can swing down to allow for
easiest filter changes and cleaning of the enthalpic core.
u MOUNTING THE EV PREMIUM ON A CONCRETE FOUNDATION WALL OR STUD WALL Mount
hanging bracket to the wall with appropriate concrete anchors. Use pre-cut
foam tape from small parts bag. Remove backing and apply two pieces of foam
tape equally spaced along the unit’s mounting flange to be held by the hanging
bracket. Apply the other two pieces of foam over two holes that will be used
for fastening, on the other flange. The tape should be applied in a “U” shape
to cushion both the front and back of the integral flanges. Lift unit and
slide unit flange into the hanging bracket. Using metal flat washers, fasten
flange opposite hanging bracket to structure. Safety screws should similarly
be installed passing through the hanging bracket and flange. Make sure the
screws, which you must supply, are properly selected for the loads and
substrate involved, 2″ x #10 pan head screws are recommended.
u SUSPENDING THE EV PREMIUM FROM FLOOR JOISTS OR TRUSSES The unit may be
screwed directly to joists or trusses using the hanging bracket and integral
flange. Mount as described for mounting to concrete foundation wall.
Foam Tape Metal Washer Lag Screw or Concrete Anchor (provided by others)
Unit Flange
Optional Washer and Screw (provided by others)
Foam Tape Hanging Bracket
Lag Screw or Concrete Anchor (provided by others)
FIGURE 3.1.0 MOUNTING THE ERV TO A STUD WALL
3.2 SERVICE CLEARANCES
Primary consideration is sufficient space to open door latches and for the
door to be able to swing open at least 90°. See the dimensioned drawing in the
front of this manual for required clearances.
NOTE: If you wish to install the unit in an attic or other unconditioned
space, you must insulate all of the unit’s ductwork that is located in the
attic. Use at least R-6 insulation.
NOTE: The door is equipped with slideoff hinges. For the homeowner’s
convenience,it is helpful to orient the unit so that the door is easily
removed when unlatched.
NOTE: Do not overtighten the screws. Compression of the gasket may result in
vibration transfer.
NOTE: Wall brackets must be supported by two wall studs. If the desired
location of the EV Premium does not permit support by two wall studs, the EV
Premium must be mounted on a user-supplied 3/4″ thick plywood panel that is
anchored on two wall studs.
CAUTION
Risk of injury when lifting unit and installing it overhead.
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INSTALLATION ERV
EV-Series Premium
3.3 AC POWER SOURCE
3.3.1 EV Premium S, M, L, X Power requirements for EV Premium S, M, L: 120VAC,
3.0 amps Power requirements for EV Premium X: 120VAC, 5.5 amps The EV Premium
S, M, and L have an integral 34″ long power supply cord. The installer must
provide a standard, grounded 120VAC outlet in the proximity of the ERV. Check
all local codes.
3.3.2 EV Premium SH, MH, LH, XH Power requirements for EV Premium S, M, L:
120VAC, 3.0 amps Power requirements for EV Premium X: 120VAC, 5.5 amps The EV
Premium SH, MH, LH, and XH are to be hard-wired by the installer. Check all
local codes before wiring. A disconnect switch on the AC supply line may be
required.
3.4 LOAD BEARING CAPACITY OF SUPPORTS
The EV Premium ERV is to be installed by attachment to building structural
members such as joists, bar joists, beams, wall studs, and columns. It is not
be supported by attachment to fixtures such as ductwork or air handlers unless
the fixtures are permanently installed and capable of providing adequate
support. Whenever an ERV is installed on or supported by a fixture, the
installation must be approved by a design engineer.
4.0 INSTALLATION
CAUTION
RISK OF INJURY FROM FALLING OBJECTS Installation of this unit requires
hoisting hardware overhead and working directly beneath heavy objects during
the installation process. Observe all OSHA-approved work practices. Always
wear OSHA-approved Personal Protective Equipment (PPE).
4.1 USER-SUPPLIED INSTALLATION MATERIALS
RenewAire suggests the use of a duct hoist for hoisting the EV Premium into
position. For all installations: u Medium-strength thread-lock, u UL-181–rated
mastic for duct connections, u Common hand tools such as pliers, drill,
screwdriver bits, stud finder, etc.
4.2 FACTORY-RECOMMENDED ELECTRIC SERVICE ENTRY
4.2.1 EV Premium S, M, L, X The EV Premium S, M, L, and X have a factory-
installed 34″ line cord that will need to be plugged into a 120V receptacle
for operation.
4.2.2 EV Premium SH, MH, LH, XH The EV Premium SH, MH, LH, and XH are to be
hard-wired by the installer. Entry of electric supply wiring is to be through
the junction box provided on the unit. The junction box measures 2″ x 2″ and
contains 4″ of free length of wire leads. There are 2 knockouts on opposite
sides of the junction box that support 1/2″ trade size metal conduit. Junction
box can be remounted 90 degrees to reposition the knockouts as necessary. It
may be easier to mount the unit and connect to the junction box before
installing the provided duct collars and ductwork.
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EV-Series Premium
INSTALLATION ERV
4.3 FACTORY-RECOMMENDED LOW-VOLTAGE SERVICE ENTRY
All low-voltage connections are made on the exterior of the unit on the low-
voltage terminal strip. Field-installed low-voltage wiring does not enter the
unit.
4.4 ATTACHING DUCTS
Ducts are to be fabricated and installed per SMACNA guidelines. Use a
combination of zip ties, UL-181–rated duct mastic and then secure the duct
from slipping off by means of a screw, positioned behind one or more ribs in
the duct. Observe Industry Best Practices when installing and supporting the
ducts.
4.5 SELECTING AIRFLOW SETTINGS
For assistance in determining correct airflow settings, go to
https://www.renewaire.com/how-tobuy/home-ventilation-solutions/. This site
will provide a basic low-speed (Continuous) air volume for a residence based
on factors such as square footage and the number of bedrooms that are to be
entered by the user. The resulting airflow volume is to be used as a guide and
modified as desired.
The need for boost mode varies by situation. For example, boost mode could be
tied to bathroom and shower usage. Alternatively, boost mode might be set for
specific times of the day when more people will be in the space being
ventilated. In all cases, an HVAC professional should be consulted to
determine how to best set the airflow volumes to provide maximum benefit to
the inhabitants.
Airflow volumes are set by taking pressure readings at the pressure ports in
the unit door and then adjusting the potentiometers, first the two low speed
ones, then the two high speed ones. Normally, the low-speed OA and RA
potentiometers are set and then the readings are compared to the chart in
Section 5.2.1 of this manual. Measuring the pressure drop across the core for
each airstream is used to determine the airflow volume.
4.6 BALANCING AIRFLOWS
EV Premium ERVs provide the ability to deliver and exhaust completely balanced
airflows, or to modify them as desired. While balanced airflow is preferred,
many owners will prefer to have a slight imbalance, providing a slight excess
of Outdoor Air to reduce air infiltration into a home. Some homes may require
an imbalance because a furnace or water heater is not direct-vented. Again, an
HVAC professional will be able to advise balance settings that will best
address the circumstances in each home.
Balancing an airflow is done by setting the Outdoor Air fan speed and then
adjusting the Return Air fan speed to eject the same or somewhat less air to
the outdoors.
Equipment required for testing airflows:
u A magnehelic gauge (or manometer) or other device capable of measuring 01.0
inches water gauge of differential pressure.
u 2 pieces of natural rubber latex tubing, 1/8″ I.D., 1/16″ wall thickness
works best.
Manometers are relatively inexpensive devices that are readily available from
online retailers; accuracy within the range of 01.0 in. w.g. is the critical
measure. Water manometers generally have graduations of 0.1″ that are
difficult to accurately determine. For all manometers, there are two plastic
tubes that connect at the manometer and then the other ends go to pressure
ports on the EV Premium.
Individual differential static pressures (DP) are measured ACROSS the core and
filters, using the installed pressure ports located on the removable door.
NOTE: Airflow volumes can be changed at any time by the user as experience dictates. Whenever changing airflow volumes for either Continuous (low speed) or Boost (high speed) modes, the fans should again be balanced.
1.800.627.4499 13
INSTALLATION ERV
EV-Series Premium
USE THESE TWO PRESSURE PORTS TO CHECK PRESSURE DROP FOR THE OA
AIRSTREAM
NOTE: Adjust low speed fan settings by using the potentiometers marked “L.” Adjust high speed fan settings by using the potentiometers marked with “H.”
USE THESE TWO PRESSURE PORTS TO CHECK PRESSURE DROP FOR THE RA
AIRSTREAM
FIGURE 4.6.0 PRESSURE PORT LOCATIONS
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u Verify the unit has clean filters in place.
u Open the pressure port caps for the OA airstream and then insert the tubing into the openings about 1″.
u Take a differential pressure reading for the OA airstream by installing the “high” pressure side (+) of the measuring device to the OA port and the “low” pressure side (-) to the SA port. Compare the pressure drop to the chart in section 5.2.1 to obtain the CFM. Adjust the fan speed potentiometer (See figure 4.6.1) to obtain the desired CFM. Enter the CFM information in the box in section 5.2.2.
u Take a differential pressure reading for the RA airstream by installing the “high” pressure side (+) of the measuring device to the RA port and the “low” pressure side (-) to the EA port. Compare the pressure drop to the chart in section 5.2.1 to obtain the CFM. Adjust the fan speed potentiometer (See figure 4.6.1) to obtain the desired CFM. Enter the CFM information in the box in section 5.2.2.
u Install a jumper on the low-voltage terminal to force the unit into Boost (high speed) mode. See the wiring diagram in Section 4.7.
u Repeat the process for both airstreams to set both the CFM and balance. Enter the information in the boxes in Section 5.1.
u After adjusting the potentiometers, take additional readings as needed to verify that fan speed settings are correct. See Figure 4.6.1.
POTENTIOMETERS ARE VISIBLE AND ACCESSIBLE THROUGH THE
OPENING IN THE UNIT DOOR
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FIGURE 4.6.1 FAN SPEED CONTROL POTENTIOMETERS www.renewaire.com (800) 627- 4499
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14 1.800.627.4499
4.7 WIRING SCHEMATICS
FIGURE 4.7.0 EV PREMIUM WIRING SCHEMATIC
A
B
C
D
Input Power 115VAC, 1 Phase
Line Cord
GN/YL
DOOR KILL
24VAC HIGH COM DAMPER
WHT 120COM
BK 120VAC
Control Board
SF_ECM_SIGNAL 1 2 3
RD 1 WHT 2 BK 3
YL 4
SF_ECM_POWER
1
2 EF_ECM_POWER EF_ECM_SIGNAL
21
32 1
BK
1
1
RD
2
2
YL
3
3
BR/BK 1
1
BU
2
2
GN
3
3
EF Motor
GN/BU
RD
YL
M
BR
BU
GN/YL
E
SF Motor
GN/BU
RD
YL
M
BR BU GN/YL
EV-Series Premium
INSTALLATION ERV
REV. 6 5 4 3 2
DATE 7/3/2023 10/26/2022 5/11/2022 3/14/2022
2/22/2022
NAME shreyat shreyat shreyat NealW NealW
CHANGES Updated with new EV Premium Board Updated BR/BK wire Updated the text layout Adjusted fan wire colors Fixed fan wire colors, added door kill switch
RenewAire EV Premium Field
Line Cord
SCHEME
1
1.800.627.4499 15
16 1.800.627.4499
INSTALLATION ERV
A
B
C
D
E
EV-Series Premium
FIGURE 4.7.1 EV PREMIUM HARD-WIRED WIRING SCHEMATIC
Input Power 115VAC, 1 Phase
GN/YL
DOOR KILL
24VAC HIGH COM DAMPER
WHT 120COM
BK 120VAC
Control Board
SF_ECM_SIGNAL 1 2 3
RD 1 WHT 2 BK 3
YL 4
SF_ECM_POWER 1 2
EF_ECM_POWER EF_ECM_SIGNAL
21
32 1
BK
1
1
RD
2
2
YL
3
3
BR/BK 1
1
BU
2
2
GN
3
3
EF Motor GN/BU
RD YL
BR BU
M
GN/YL
SF Motor
GN/BU
RD
YL
M
BR BU GN/YL
REV. 6
5
DATE 7/3/2023 10/26/2022
NAME shreyat
shreyat
CHANGES Updated with new EV Premium Board
Updated BR/BK wire
RenewAire EV Premium Field
EV-Series Premium
INSTALLATION ERV
4.8 LOW-VOLTAGE WIRING DIAGRAMS
4.8.1 Single Speed Mode CONTINUOUS
When plugged in, the unit will run constantly at Low Speed. If the unit is to
operate constantly at a single airflow, adjust the OA and RA low speed
potentiometers to the desired airflow as described in section 4.6. The high
speed potentiometers are not needed for this application.
4.8.2 Low Speed CONTINUOUS/High Speed SWITCHED
The EV premium can be installed to run constantly at Low Speed (Continuous
mode) and then switch periodically to Boost Mode in response to a controlling
device. To achieve this, the external controlling device, such as a PBT
control or an occupancy sensor that is to trigger Boost mode (High Speed), is
connected to the 24VAC terminal and to the High Speed terminal.
NORMALLY OPEN
PBT
CONTACT WIRE
NOTE: Do not connect either wire from PBT to the COM terminal on the unit.
NORMALLY OPEN CONTACT WIRE
FIGURE 4.8.0 LOW-VOLTAGE WIRING DIAGRAM 1
If multiple controls are desired to operate the unit in Boost mode for
different purposes, they may be wired in parallel. The unit control board
provides 12VA so the combined power demand for desired accessories must be
lower than this threshold. For example, a PBT controller may be wired to an EV
Premium unit and up to 6 PBL controls may be connected to the PBT PB terminals
in parallel. For additional information see the installation manuals for the
control(s) you select for wiring diagrams and specific instructions.
4.8.3 Single Speed Mode SWITCHED (Intermittent)
If the unit is to operate intermittently without a continuous flow, an
external controlling device will need to be used as in figure 4.8.0. To
achieve this operation, turn the low speed potentiometers fully
counterclockwise and connect the desired controlling accessory to the 24V and
High Speed terminals on the unit. Set the high speed potentiometers to the
desired flow rate for the intermittent operation. When the unit is plugged in,
there will be no airflow until the control accessory signals the unit to
operate in High Speed mode.
4.9 DAMPER OPERATION
When the ERV is connected to a ducted return of the HVAC system, outdoor air
may be pulled through the ERV via the HVAC fan. This can be prevented by
installation of a damper installed at the fresh air outlet of the ERV.
RenewAire’s MD-Series 24-volt dampers can be wired to an EV Premium unit for
this purpose. For more detailed information on installation, please refer to
the MD series damper manual.
1.800.627.4499 17
OPERATION ERV
EV-Series Premium
4.9.1 Damper installation for Continuous ERV Operation
If the ERV is set up to provide continuous airflow, an MD series damper can be
wired to the 24VAC and COM terminals on the unit terminal block. The damper
will open whenever the unit has 120VAC power and close when power is lost.
DAMPER
NORMALLY OPEN CONTACT WIRE
NORMALLY OPEN CONTACT WIRE
FIGURE 4.9.0 LOW-VOLTAGE WIRING DIAGRAM 2
4.9.2 Damper Insta6 llation for Intermittent ERV Operation
If the ERV is intended to operate intermittently as described in section
4.8.3, turn the low speed potentiometers fully counterclockwise and wire a
control to the 24V and High speed terminals. Wire the damper to the DAMP and
COM terminals. The unit will remain off, and the damper closed until the
control activates the high speed terminal. When the High Speed terminal is
activated, the unit fans will operate at the flow corresponding to the High
Speed potentiometers and the damper will open.
DAMPER
6
PBT OR PTL
NORMALLY OPEN CONTACT WIRE
NORMALLY OPEN CONTACT WIRE
NORMALLY OPEN CONTACT WIRE
NORMALLY OPEN CONTACT WIRE
FIGURE 4.9.1 LOW-VOLTAGE WIRING DIAGRAM 3
5.0 OPERATION
5.1 MANOMETER READINGS AT COMMISSIONING
Return Air Pressure Port Exhaust Air Pressure Port Outside Air Pressure Port Supply Air Pressure Port
In. w.g.: In. w.g.: In. w.g.: In. w.g.:
Pressure Drop: Pressure Drop:
18 1.800.627.4499
EV-Series Premium
OPERATION ERV
5.2 AIRFLOW READINGS AT COMMISSIONING
5.2.1 Conversion of Pressure Drop to Airflow
See the tables below.
(Units equipped with clean MERV 8 filters.)
To determine the airflow in CFM, obtain the manometer readings shown above and
calculate the differences between them. Then apply the following formula to
convert the readings to CFM:
EV Premium S/SH: [Airflow in CFM] = 183 x [Pressure Drop in inches w.g.] EV
Premium M/MH: [Airflow in CFM] = 283 x [Pressure Drop in inches w.g.] EV
Premium L/LH: [Airflow in CFM] = 593 x [Pressure Drop in inches w.g.] EV
Premium X/XH: [Airflow in CFM] = 593 x [Pressure Drop in inches w.g.] EXAMPLE:
1 In. w.g. of pressure drop corresponds to 283 CFM, 0.5 In. w.g. corresponds
to 141.5 CFM, and so on for the EV Premium M.
(Units equipped with a MERV 13 filter in the OA airstream. Formulas below are
for OA airstream only.)
EV Premium S/SH: [Airflow in CFM] = 154 x [Core Pressure Drop in inches w.g.]
EV Premium M/MH: [Airflow in CFM] = 235 x [Core Pressure Drop in inches w.g.]
EV Premium L/LH: [Airflow in CFM] = 487 x [Core Pressure Drop in inches w.g.]
EV Premium X/XH: [Airflow in CFM] = 487 x [Core Pressure Drop in inches w.g.]
EXAMPLE: 1 In. w.g. of pressure drop across the core corresponds to 235 CFM,
0.5 In. w.g. corresponds to 117.5 CFM, and so on for the EV Premium M.
EV PREMIUM M/MH
Pressure Airflow with Airflow with
Drop
MERV 8
MERV 13
(In. W.G.) Filters (CFM) Filters (CFM)
0.1
28
24
0.2
57
47
0.3
85
71
0.4
113
94
0.5
142
118
0.6
170
141
0.7
198
165
EV PREMIUM S/SH
Pressure Airflow with Airflow with
Drop
MERV 8
MERV 13
(In. W.G.) Filters (CFM) Filters (CFM)
0.1
18
15
0.2
37
31
0.3
55
46
0.4
73
62
0.5
92
77
0.6
110
92
0.7
128
108
EV PREMIUM L/LH
Pressure Airflow with Airflow with
Drop
MERV 8
MERV 13
(In. W.G.) Filters (CFM) Filters (CFM)
0.1
59
49
0.2
119
97
0.3
178
146
0.4
237
195
EV PREMIUM X/XH
Pressure Airflow with Airflow with
Drop
MERV 8
MERV 13
(In. W.G.) Filters (CFM) Filters (CFM)
0.1
59
49
0.2
119
97
0.3
178
146
0.4
237
195
0.5
297
244
FIGURE 5.2.0 PRESSURE DROP TO AIRFLOW CONVERSIONS
1.800.627.4499 19
MAINTENANCE ERV
EV-Series Premium
IMPORTANT
This unit is only to be used after completion of building construction. It is
not to be used during construction.
5.2.2 Continuous Mode (low speed)
Outdoor Airflow:
CFM
Return Airflow:
CFM
5.2.3 Boost Mode (high speed)
Outdoor Airflow:
CFM
Return Airflow:
CFM
6.0 MAINTENANCE
The primary maintenance requirement is filter replacement. Filters are not to
be cleaned, they must be replaced. The standard filter as shipped from the
factory is a mesh-type, anti-microbial MERV 8. These standard filters are NOT
to be sprayed with filter treatments or dust adhesives. The standard mesh-type
OA MERV 8 filters may be replaced with pleated paper MERV 13 filters post-
construction, if desired. Both filters should be replaced every three months,
or more frequently, if needed, based on the cleanliness of the OA and RA air
entering the unit.
The enthalpic core should be vacuumed annually. Remove the hinged access door
by sliding it horizontally on its pin hinges and then remove the filters for
access to the core. Use a softbristled nozzle on a good vacuum and carefully
vacuum the inlet faces of the core.
Ducts should be inspected annually. Ensure all ducts and joints are free from
damage, contaminants, or leaks in order for the system to behave properly.
6.1 MAINTENANCE AFTER 30 DAYS OPERATION
After 30 days of unit operation, check/tighten all mounting and support
hardware. Inspect filters for cleanliness. There is often construction dust
collected during initial operation. If filters appear dirty, replace them.
6.2 RECALIBRATION OF AIRFLOWS
Whenever there is a reconfiguration of the heating system in a residence, to
include changing damper positions, the fan speed potentiometers on the EV
Premium should be re-calibrated for optimum performance. If the residence
undergoes significant structural changes, such as an addition to the home, the
EV Premium should also be re-calibrated. If optional MERV 13 filters are
installed, recalibration is also required.
6.3 DOOR REMOVAL
The hinged door is held in place by two separable hinges on one edge and two
security latches on the other edge. The separable hinges include a plastic
clip to prevent accidental separation. To remove the door, first disconnect
power to the unit. Unlatch and open the door and then strike the edge of the
door, pushing the door toward the OA/EA side of the unit.
20 1.800.627.4499
6.4 SERVICE PARTS
EV-Series Premium
MAINTENANCE ERV
newaire.com (800) 627- 4499
FIGURE 6.4.0 EV PREMIUM SERVICE PARTS
support@renewaire.com
1.800.627.4499 21
TROUBLESHOOTING ERV
EV-Series Premium
CAUTION
Many of the troubleshooting steps described herein require working with or
near live high-voltage. Take appropriate precautions against electric shock
and use Personal Protective Equipment (PPE) as a safeguard. Wear gloves,
safety glasses and protective head gear, as necessary.
7.0 TROUBLESHOOTING
7.1 INDICATION OF PROBLEM
Indications of a problem with the ERV may be the perception that fresh air is
not being delivered. The first step in resolving an apparent problem with an
EV Premium ERV is to verify that there actually is a problem.
Regardless of the reason for thinking there is a problem with the EV Premium,
the first steps in troubleshooting are to check the air filters to make sure
they’re clean and properly positioned, and then do a hard restart of the unit.
A hard restart involves unplugging the unit for several seconds and then
plugging it back in. It takes a few moments for the control board to
discharge. After reapplying power, check to see if resetting the circuit has
solved the problem.
Because there are many different ways of ducting the Supply Air into a
dwelling, it’s often difficult to say with certainty that the fresh air
provided by the EV Premium is not reaching its intended destination or if the
ERV is simply no longer providing enough fresh air. Determine where and how
the fresh air is supposed to be delivered–if it is being carried in a
dedicated duct directly to the air outlet, check for airflow at the outlet.
u Verify that dampers are still correctly positioned (open). If the ERV is
being ducted into a main air handling system, shut the air handling system
down so that airflow at the ducts can be detected.
u Check for airflow at the air openings nearest to the EV Premium, not at the
far end of the house. It may be necessary to hold a thin strip of tissue paper
in front of a vent to realize whether or not there is airflow.
u Check for airflow in both low speed and high speed settings. It will be
easier to detect airflow in the high speed setting.
u Check ducts and duct runs and problems with bends, sagging, etc.
7.2 EV PREMIUM HAS AIRFLOW BUT IS MAKING NOISE
Feel the EV Premium while it is running to see if there is excessive vibration
from the fans. Fan noise and vibration can be caused by an imbalance in the
rotors or possibly by a bad bearing. Turn off power to the unit and rotate the
fan impellers by hand. Make sure impellers rotate freely. Use wet swabs to
clean any dust/dirt buildup off the impeller blades. If problem continues, a
fan may have a bad bearing.
7.3 NO APPARENT AIRFLOW FROM THE EV PREMIUM
If it seems that there is no apparent airflow, verify that it has power.
u If it does not have power, trace the power supply back to its source and
isolate the problem or symptoms. Look for a switch turned off, a blown fuse or
a tripped circuit breaker. If necessary, use a multimeter to trace the power
supply and isolate the problem.
u If it has power and the fans will not run, disconnect all power to the unit
and check the disconnect switch with an ohmmeter.
u If it has power, check to see if the fans are running by listening for fan
noise and feeling the unit for vibration from the fans.
u If it has power and the fans are running, CHECK THE FILTERS TO MAKE SURE
THEY ARE CLEAN. Check the entire length of the ducts, all the way from the
outdoor vent hoods to the indoor vent openings. Make sure a duct has not
fallen off or that a flexible duct has not been pinched. In rare cases, there
may be obstructions inside the duct. Look to see if a louver in an outdoor
vent cap is stuck or blocked or if an indoor louver has been shut.
u If it has power but only one fan is running, disconnect all power to the
unit and check the fan connectors to make sure they are still making contact.
22 1.800.627.4499
EV-Series Premium
FACTORY ASSISTANCE ERV
7.4 INADEQUATE OR REDUCED AIRFLOW FROM THE EV PREMIUM
If the unit has power and both fans are running, use a manometer to check the
pressure differential across the core. See Section 4.6 Balancing Airflows in
this manual. The results of a pressure differential test will provide correct
information on how much air the unit is moving and also how the volume of air
compares to when the unit was first installed. Check both low speed and high
speed settings by changing the jumpers on the low-voltage terminal strip, as
shown in section 4.7 in this manual. Check ducts for bends, blockages, or
leaks.
7.5 EV PREMIUM FAILS TO RUN IN EITHER LOW SPEED OR HIGH SPEED MODE
The low-speed and high-speed modes operate independently of each other so
there can be a failure in just one mode and it does not appear in the second
mode. If one mode does not work, the problem can be isolated to either the
controlling device or to an internal failure by bypassing the controlling
device. u Remove all wiring from the terminal strip as shown in Section 4.7 of
this manual. Mark the
wires so they can be reconnected in their proper locations. u With no jumper
present, check for proper operation. u Install a jumper wire from the 24VAC
terminal to the High Speed terminal. Check for proper
operation. Remove the jumper wire and reinstall the control device wiring.
7.6 NO APPARENT REASON FOR LOW AIRFLOW
The final step in troubleshooting an ERV problem is to reset the fan
potentiometers. Use a manometer and follow the instructions in Section 4.6
Balancing Airflows in this manual. Restore the pressure differential settings
to their original airflow settings (CFM), as recorded in Section 5.1.
8.0 FACTORY ASSISTANCE
In the unlikely event that you need assistance from the factory for a specific
issue, make sure that you have the information called for in the Unit
Information page in the front of this manual. The person you speak with at the
factory will need that information to properly identify the unit.
To contact RenewAire Customer Service:
Call 800-627-4499 Email:
RenewAireSupport@RenewAire.com
1.800.627.4499 23
About RenewAire
For over 40 years, RenewAire has been a pioneer in enhancing indoor air
quality (IAQ) in commercial and residential buildings of every size. This is
achieved while maximizing sustainability through our fifth-generation, static-
plate, enthalpic-core Energy Recovery Ventilators (ERVs) that optimize energy
efficiency, lower capital costs via load reduction and decrease operational
expenses by minimizing equipment needs, resulting in significant energy
savings. Our ERVs are competitively priced, simple to install, easy to use and
maintain and have a quick payback. They also enjoy the industry’s best
warranty with the lowest claims due to long-term reliability derived from
innovative design practices, expert workmanship and Quick Response
Manufacturing (QRM).
As the pioneer of static-plate core technology in North America, RenewAire is
the largest ERV producer in the USA. We’re committed to sustainable
manufacturing and lessening our environmental footprint, and to that end our
Waunakee, WI plant is 100% powered by wind turbines. The facility is also one
of the few buildings worldwide to be LEED® Gold and Green Globes certified, as
well as having achieved ENERGY STAR Building status. In 2010, RenewAire joined
the Soler & Palau (S&P) Ventilation Group in order to provide direct access to
the latest in energy-efficient air-moving technologies. For more information,
visit: renewaire.com
201 Raemisch Road | Waunakee, WI | 53597 | 800.627.4499 | RenewAire.com
Member of the S&P Group Family of Brands
2023 © RenewAire LLC 160083_004_DEC23