RenewAire EV Premium ERV Series User manual

Model: EV Premium L shown
EV Premium M
EV Premium L
EV SERIES Premium ERV
Installation, Operation and Maintenance Manual

1.800.627.44992
EV-Series Premium
ERV
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
Only persons who have been properly trained and autho-
rized 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
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).
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 con-
trolled 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.
CAUTION
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.
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.
IMPORTANT

31.800.627.4499
EV-Series Premium ERV
Record information as shown below. In the unlikely event that factory assistance is ever
required, this information will be needed.
ERV Model:
Locate the RenewAire unit label, to be found outside of the appliance. Record the model and
serial numbers below.
NOTE: This information is for purposes of identifying the specific air handling appliance. Unit-
specific option data can then be obtained, as needed, from the Model Number.
UNIT INFORMATION
EV Premium M
EV Premium L
NOTE: This page
is to be completed
by the installing
contractor. The completed
document is to be turned
over to the owner after
start-up.
UNIT INFORMATION
UNIT LABEL (TYPICAL)
OWNER INFORMATION
SAVE THIS MANUAL
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.
NOTICE
Serial Number:

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SPECIFICATIONS & DIMENSIONS
Specifications may be subject to change without notice.
SPECIFICATIONS
Ventilation Type:
Static plate, heat and humidity transfer
Typical Airflow Range: 30-225 CFM
Unit is HVI Tested/Certified per CSA C439
Protocol: Using one L-50 G5 Core
Standard Features:
White painted cabinet
Line-cord power supply
Low-voltage circuit for controls
Unit may be mounted in any orientation
Cross-core differential pressure ports
Dial-A-Flow - balance and airflow adjustment
Variable speed
Boost mode
Controls:
Onboard digital controller with independent
variable speeds
Filters:
Total qty. 2, MERV 8, spun-polyester media:
10 1/2" x 10 1/2" x 1"
Unit Dimensions & Weight:
22 1/2"L x 12 5/8"W x 23 3/4"H
36 lbs.
Max. Shipping Dimensions & Weight (in carton):
32"L x 22"W x 18"H
48 lbs.
Motor(s):
Qty. 2, 115V EC motorized impeller packages
Accessories:
Backdraft damper 6", 8"
Automatic balancing damper 4", 5", 6"
Louvered wall vent 6"- white, brown
Digital time clock - wall mount (TC7D-W),
in exterior enclosure (TC7D-E)
Carbon dioxide sensor/control - wall mount (CO2-W)
IAQ sensor - wall mount (IAQ-W)
Motion occupancy sensor/control -
ceiling mount (MC-C), wall mount (MC-W)
Push-button boost timer (PBT)
Percentage timer control (PTL)
Percentage timer control with furnace interlock (FM)
Push-button point-of-use controls (PBL), PTL req’d.
MERV 13 filter - OA airstream (shipped loose)
Electric duct heater - RH series (1-4 kW);
designed for indoor ductwork installation only
Energy Recovery Ventilator
EC Motor Standard
Note: Indirect Gas-Fired Duct Furnace is not available on the EV Premium.
Watts Volts HZ Phase
FLA
per
motor
Min.
Cir.
Amps
Max.
Overcurrent
Protection
Device
85 120 60 1 1.22 10 10
ELECTRICAL DATA
EC MOTOR OPERATING RANGE
Download specification at:
renewaire.com/specifications
CORE PERFORMANCE
Airflow (CFM) Sensible EFF% Total EFF% Winter/Summer*
Max. Speed
233 58 49/26
225 59 50/27
216 60 51/28
210 61 52/30
201 62 53/32
193 63 54/34
184 64 56/36
176 66 57/38
163 67 59/40
150 69 61/42
117 73 67/49
86 77 72/56
48 82 78/63
Min. Speed
18 86 84/71
Note: These are core-only ratings and are not HVI certified.
HVI ratings apply to complete units only.
See HVI certification ratings on pg. 30 of Single/Multi-Family Catalog.
EV Premium L shown
EV PREMIUM M
INDOOR UNIT NEW
Note: Watts is for the entire unit.
Note: Airflow performance includes effect of clean, standard filter
supplied with unit.
Note: Refer to CORES for specific operating point electrical data.
Sample Points Depicted in Larger Dots
Airflow (CFM)
External Static
Pressure
(Inches Water
Column)
Unit Power
Consumption
(Watts)
Max. Speed
233 0.1 179
225 0.2 176
216 0.3 177
210 0.4 174
201 0.5 173
193 0.6 172
184 0.7 170
176 0.8 168
163 0.9 166
150 1.0 162
117 1.2 148
86 1.4 134
48 1.6 112
Min. Speed
18 0.1 16

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SPECIFICATIONS & DIMENSIONS
EV & GR-SERIES
AIRFLOW ORIENTATION Available as shown in dimension drawing.
UNIT MOUNTING & APPLICATION Can be mounted in any orientation. RA/EA airstream can be switched with OA/FA airstream.
EV Premium MEnergy Recovery Ventilator EC Motor Standard
6 1/8"
Typ.
13 3/8" Overall
(with Hanging
Bracket)
18" Case
22 1/2"
Overall
2 1/4" Typ.
24V AC Control Terminal
6 1/4" Typ.
11 3/4"
Typ.
5 3/4" Typ.
OA
EA
RA
FA
34" Line Cord
Pressure Ports
(4) Typ.
23 3/4" Overall
12 5/8"
Case
22 1/4" Minimum
Service Area
(Door can be
Removed from
Hinges.)
22 1/4" Minimum
Service Area
Door Swing
8" Nominal
Typ.
6" Nominal
Typ.
7/8" Typ. 2 5/8"
21 7/8"
Case
25 1/2" Overall
(with Hanging Bracket)
Inlet Ring
LEFT VIEW
FRONT VIEW
RIGHT VIEW
TOP VIEW
Model: EV Premium M Drawing Type: Unit Dimension Version: MAR20
ABBREVIATIONS EA: Exhaust Air to outside OA: Outside Air intake RA: Room Air to be exhausted FA: Fresh Air to inside INSTALLATION ORIENTATION Unit may be installed in any orientation. NOTE 1.UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE ROUNDED TO THE NEAREST EIGHTH OF AN INCH. 2.SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICE.

1.800.627.44996
RENEWAIRE.COM 1.800.627.4499 1312 FOR THE MOST COMPLETE AND CURRENT INFORMATION VISIT RENEWAIRE.COM
SPECIFICATIONS & DIMENSIONS
Specifications may be subject to change without notice.
SPECIFICATIONS
Ventilation Type:
Static plate, heat and humidity transfer
Typical Airflow Range: 30-280 CFM
Unit is HVI Tested/Certified per CSA C439
Protocol: Using one L-100 G5 Core
Standard Features:
White painted cabinet
Line-cord power supply
Low-voltage circuit for controls
Unit may be mounted in any orientation
Cross-core differential pressure ports
Dial-A-Flow - balance and airflow adjustment
Variable speed
Boost mode
Controls:
Onboard digital controller with independent
variable speeds
Filters:
Total qty. 2, MERV 8, spun-polyester media:
10 1/2" x 21 3/4" x 1"
Unit Dimensions & Weight:
22 1/2"L x 23 5/8"W x 23 3/4"H
52 lbs.
Max. Shipping Dimensions & Weight (in carton):
33"L x 22"W x 29"H
66 lbs.
Motor(s):
Qty. 2, 115V EC motorized impeller packages
Accessories:
Backdraft damper 6", 8"
Automatic balancing damper 4", 5", 6"
Louvered wall vent 6"- white, brown
Digital time clock - wall mount (TC7D-W),
in exterior enclosure (TC7D-E)
Carbon dioxide sensor/control - wall mount (CO2-W)
IAQ sensor - wall mount (IAQ-W)
Motion occupancy sensor/control -
ceiling mount (MC-C), wall mount (MC-W)
Push-button boost timer (PBT)
Percentage timer control (PTL)
Percentage timer control with furnace interlock (FM)
Push-button point-of-use controls (PBL), PTL req’d.
MERV 13 filter - OA airstream (shipped loose)
Electric duct heater - RH series (1-4 kW);
designed for indoor ductwork installation only
Energy Recovery Ventilator
EC Motor Standard
Note: Indirect Gas-Fired Duct Furnace is not available on the EV Premium.
Watts Volts HZ Phase
FLA
per
motor
Min.
Cir.
Amps
Max.
Overcurrent
Protection
Device
85 120 60 1 1.22 10 10
ELECTRICAL DATA
Note: Watts is for the entire unit.
Note: Airflow performance includes effect of clean, standard filter
supplied with unit.
Note: Refer to CORES for specific operating point electrical data.
EC MOTOR OPERATING RANGE
Download specification at:
renewaire.com/specifications
Note: These are core-only ratings and are not HVI certified.
HVI ratings apply to complete units only.
See HVI certification ratings on pg. 30 of Single/Multi-Family Catalog.
EV PREMIUM L
INDOOR UNIT NEW
CORE PERFORMANCE
Airflow (CFM) Sensible EFF% Total EFF% Winter/Summer*
Max. Speed
288 71 63/45
280 71 64/46
269 72 65/47
261 72 65/48
252 73 66/49
244 73 67/50
233 74 68/51
222 75 69/52
212 75 69/53
199 76 70/54
170 78 73/57
136 80 75/60
93 83 79/64
36 86 83/69
Min. Speed
67 85 81/67
36 86 83/69
Sample Points Depicted in Larger Dots
Airflow (CFM)
External Static
Pressure
(Inches Water
Column)
Unit Power
Consumption
(Watts)
Max. Speed
288 0.1 177
280 0.2 178
269 0.3 179
261 0.4 180
252 0.5 180
244 0.6 180
233 0.7 179
222 0.8 179
212 0.9 178
199 1.0 176
170 1.2 170
136 1.4 160
93 1.6 142
36 1.8 110
Min. Speed
67 0.1 19
36 0.2 17

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SPECIFICATIONS & DIMENSIONS
EV & GR-SERIES
AIRFLOW ORIENTATION Available as shown in dimension drawing.
UNIT MOUNTING & APPLICATION Can be mounted in any orientation. RA/EA airstream can be switched with OA/FA airstream.
EV Premium LEnergy Recovery Ventilator EC Motor Standard
11 5/8"
Typ.
24 1/4" Overall
(with Hanging
Bracket)
18" Case
22 1/2"
Overall
2 1/4" Typ.
24V AC Control Terminal
6 1/4" Typ.
11 3/4"
Typ.
5 3/4" Typ.
OA
EA
RA
FA
34" Line Cord
Pressure Ports
(4) Typ.
23 3/4" Overall
23 5/8"
Case
22 1/4" Minimum
Service Area
(Door can be
Removed from
Hinges.)
22 1/4" Minimum
Service Area
Door Swing
8" Nominal
Typ.
6" Nominal
Typ.
7/8" Typ. 2 5/8"
21 7/8"
Case
25 1/2" Overall
(with Hanging Bracket)
Inlet Ring
LEFT VIEW
FRONT VIEW
RIGHT VIEW
TOP VIEW
Model: EV Premium L Drawing Type: Unit Dimension Version: MAR20
ABBREVIATIONS EA: Exhaust Air to outside OA: Outside Air intake RA: Room Air to be exhausted FA: Fresh Air to inside INSTALLATION ORIENTATION Unit may be installed in any orientation. NOTE 1.UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE ROUNDED TO THE NEAREST EIGHTH OF AN INCH. 2.SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICE.

1.800.627.44998
EV-Series Premium
ERV
1.0 OVERVIEW 10
1.1 DESCRIPTION .......................................................10
1.2 OPERATING MODES ..............................................10
1.3 UNIT WEIGHTS......................................................11
2.0 COMPONENT DESCRIPTION 11
2.1 CABINET ..............................................................11
2.1.1 Removable Door with Interlock Switch ............................... 11
2.2 FANS....................................................................11
2.3 CONTROLLER .......................................................11
2.3.1 Controller Power Supply.................................................... 11
2.4 DUCTS .................................................................12
2.5 ENTHALPIC CORE .................................................13
2.6 FILTERS ...............................................................14
2.7 CONTROLS TERMINAL STRIP ................................14
3.0 UNIT PLACEMENT 14
3.1 MOUNTING THE UNIT ............................................15
3.2 SERVICE CLEARANCES .........................................15
3.3 AC POWER SOURCE ..............................................15
3.4 LOAD BEARING CAPACITY OF SUPPORTS ..............15
4.0 INSTALLATION 16
4.1 USER-SUPPLIED INSTALLATION MATERIALS..........16
4.2 FACTORY-RECOMMENDED ELECTRIC SERVICE
ENTRY .......................................................................16
4.3 FACTORY-RECOMMENDED LOW VOLTAGE SERVICE
ENTRY .......................................................................16
4.4 ATTACHING DUCTS ...............................................16
4.5 SELECTING AIRFLOW SETTINGS............................16
4.6 BALANCING AIRFLOWS .........................................16
4.7 WIRING SCHEMATICS............................................18
4.8 LOW VOLTAGE WIRING DIAGRAMS.........................19
4.8.1 Low Speed/High Speed Modes Continuous ........................ 19
4.8.2 Low Speed Continuous/High Speed SWITCHED............................... 19
5.0 OPERATION 19
5.1 MANOMETER READINGS AT COMMISSIONING .......19
5.2 AIRFLOW READINGS AT COMMISSIONING..............20
5.2.1 Conversion of Pressure Drop to Airflow .............................20
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 ..........21
6.2 RECALIBRATION OF AIRFLOWS .............................21
6.3 DOOR REMOVAL ...................................................21
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
7.3 NO APPARENT AIRFLOW FROM THE EV
PREMIUM...................................................................22
7.4 INADEQUATE OR REDUCED AIRFLOW FROM THE
EV PREMIUM..............................................................23
7.5 EV PREMIUM FAILS TO RUN IN EITHER LOW
SPEED OR HIGH SPEED ..............................................23
7.6 NO APPARENT REASON FOR LOW AIRFLOW ..........23
8.0 FACTORY ASSISTANCE 23
TABLE OF CONTENTS

91.800.627.4499
EV-Series Premium ERV
Figure 1.2.0 EV Premium Cutaway View ..................................... 10
Figure 2.1.0 Pressure Port Locations.......................................... 11
Figure 2.4.0 Airstream Illustration.............................................. 12
Figure 2.4.1 Separate Room Air Pick-up—Fresh Air to Furnace
Return Air Trunkline................................................................... 12
Figure 2.4.2 Separate Return Air and Fresh Air Supply ............... 13
Figure 2.4.3 Furnace Return Air back into Return Air .................. 13
Figure 2.4.4 Furnace Return Air back into Supply Air .................. 13
Figure 2.6.0 EV Premium Filter Locations...................................14
Figure 2.7.0 Controls Terminal Strip. ..........................................14
Figure 3.1.0 Mounting the ERV to a Stud Wall ............................. 15
Figure 4.6.0 Pressure Port Locations .........................................17
Figure 4.6.1 Fan Speed Control Potentiometers .......................... 17
Figure 4.7.0 EV Premium Wiring Schematic ................................ 18
Figure 4.8.0 Low Voltage Wiring Diagram 1................................19
Figure 4.8.1 Low Voltage Wiring Diagram 2 ................................19
Figure 5.2.0 Pressure Drop to Airflow Conversions .....................20
Figure 6.4.0 EV Premium Service Parts ......................................21
TABLE OF CONTENTS
TABLE OF ILLUSTRATIONS

1.800.627.449910
EV-Series Premium
ERV
1.0 OVERVIEW
1.1 DESCRIPTION
1.2 OPERATING MODES
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 has an integral line cord, ready to be plugged
into a standard 120 VAC receptacle.
The ERV exhausts stale room air (RA) while transferring both latent and sensible energy
between an incoming fresh outdoor airstream (FA). Energy recovery is accomplished by a static
plate heat exchanger core. Each airstream has a 120 V EC fan, which provides airflow from 30
to 225 CFM for the EV Premium M and from 30 to 280 CFM for the EV Premium L.
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.
OVERVIEW
NOTE: This unit is
an Energy Recovery
Ventilator, or ERV.
It is commonly referred to
throughout this manual as
an ERV.
FIGURE 1.2.0 EV PREMIUM CUTAWAY VIEW
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RETURN AIR
DUCT
SUPPLY AIR
DUCT
ENTHALPIC
CORE
EXHAUST AIR
DUCT
OUTSIDE AIR
DUCT
ELECTRICAL BOX
AIR FILTERS
INTERLOCK
SWITCH
SUPPLY AIR
FAN
EXHAUST AIR
FAN
NOTE: Sensible
energy is often
referred to as
“heat energy.”
NOTE: Latent
energy is often
referred to as
“moisture energy.”
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 225 CFM for the EV Premium M or 280 CFM
for the EV Premium L.
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.

111.800.627.4499
EV-Series Premium ERV
2.0 COMPONENT DESCRIPTION
2.1 CABINET
2.2 FANS
2.3 CONTROLLER
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 low-
voltage 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.
The EV Premium has two advanced, high efficiency electronically commutated (EC) 120 VDC
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 0–10 VDC signal from the 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 24 VAC 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.
1.3 UNIT WEIGHTS
The hanging weight of each EV Premium M is approximately 36 pounds.
The hanging weight of each EV Premium L is approximately 52 pounds.
COMPONENT DESCRIPTION
FIGURE 2.1.0 PRESSURE PORT LOCATIONS
The shipping weight of each EV Premium M is approximately 48 pounds.
The shipping weight of each EV Premium L is approximately 66 pounds.
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
24 VAC power supply terminal. The unit control board provides up to 6 VA (approximately 0.25 A)
which can be used to power the various optional control accessories.
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AIR PRESSURE
TEST PORTS (4)
DUCT CONNECTORS (4)
SEPARABLE HINGES (2)
ACCESS/VIEWING PORT

1.800.627.449912
EV-Series Premium
ERV
2.4 DUCTS
EV Premium units are supplied with a set of 4 duct connectors that must be field-installed. The
connectors can be used for either 6" round or 8" round ducts. 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:
uOne 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)
uOne 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.
uOne 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.
uOne 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.
COMPONENT DESCRIPTION
NOTE: For all units:
RA = Room Air into
unit
OA = Outside Air into unit
SA = Supply Air to inside
EA = Exhaust Air to outside
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.
FIGURE 2.4.0 AIRSTREAM ILLUSTRATION
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EXHAUST AIR
(TO OUTDOORS)
SUPPLY AIR
(TO OCCUPIED SPACE)
RETURN AIR
(FROM OCCUPIED SPACE)
OUTSIDE AIR
(INTO UNIT)
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NOTE: ERV blower
may be operated
separate from
furnace blower.
FIGURE 2.4.1 SEPARATE ROOM AIR PICK-UP—FRESH AIR TO FURNACE RETURN AIR TRUNKLINE

131.800.627.4499
EV-Series Premium ERV
www.renewaire.com (800) 627- 4499 [email protected]
NOTE: For the
setup in Figure
2.4.3, the furnace
blower must be op-
erated any time the ERV is
operated. Use furnace fan
“on” continuous low speed
or optional FM control to
cycle furnace fan on ERV.
FIGURE 2.4.3 FURNACE RETURN AIR BACK INTO RETURN AIR
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FIGURE 2.4.2 SEPARATE RETURN AIR AND FRESH AIR SUPPLY
NOTE: ERV blower
may be operated
independently from
furnace blower.
*Use caution to introduce
FA at low velocity and
where good mixing will oc-
cur to minimize discomfort
from drafts
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NOTE: ERV blower
may be operated
separate from
furnace blower.
FIGURE 2.4.4 FURNACE RETURN AIR BACK INTO SUPPLY AIR
COMPONENT DESCRIPTION
2.5 ENTHALPIC CORE
Each EV Premium has a static-plate, cross-flow core separates the outgoing, polluted indoor
airstream from the incoming fresh 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.
NOTE: The cores
used in all ERVs
are static plate
enthalpic cores. They are
commonly referred to in
this manual as “cores.”

1.800.627.449914
EV-Series Premium
ERV
UNIT PLACEMENT
2.7 CONTROLS TERMINAL STRIP
A single terminal strip is located at the end of each EV Premium, providing a 24 VAC connection
to Boost mode or to control accessories. For detailed information, see the Low Voltage Wiring
Diagrams in Section 4.8 of this manual.
FIGURE 2.7.0 CONTROLS TERMINAL STRIP
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.
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24 VAC COMMON
HIGH SPEED
(BOOST) MODE
120 VAC LINE
CORD
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.
FIGURE 2.6.0 EV PREMIUM FILTER LOCATIONS
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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)
UNIT PLACEMENT

151.800.627.4499
EV-Series Premium ERV
UNIT PLACEMENT
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.
Foam Tape
Foam Tape
Metal Washer
Lag Screw or Concrete Anchor
(provided by others)
Lag Screw or Concrete Anchor
(provided by others)
Unit Flange
Optional Washer and Screw
(provided by others)
Hanging Bracket
FIGURE 3.1.0 MOUNTING THE ERV TO A STUD WALL
Risk of injury when lifting
unit and installing it
overhead.
CAUTION
3.3 AC POWER SOURCE
Power requirements: 120 VAC, 3.0 amps
The EV Premium has an integral 34 inch long power supply cord. The installer must provide a
standard, grounded 120 VAC outlet in the proximity of the ERV. Check all local codes.
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.
3.1 MOUNTING THE UNIT
uUNIT 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.
uMOUNTING 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.
uSUSPENDING 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.
NOTE: The door
is equipped with
slide-off hinges.
For the homeowner’s
convenience,it is helpful
to orient the unit so that
the door is easily removed
when unlatched.

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EV-Series Premium
ERV
INSTALLATION
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.
4.0 INSTALLATION
4.1 USER-SUPPLIED INSTALLATION MATERIALS
RenewAire suggests the use of a duct hoist for hoisting the EV Premium into position.
For all installations:
uMedium-strength thread-lock,
uUL-181—rated mastic for duct connections,
uCommon hand tools such as pliers, drill, screwdriver bits, stud finder, etc.
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).
CAUTION
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.
4.3 FACTORY-RECOMMENDED LOW VOLTAGE SERVICE ENTRY
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.
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.
4.2 FACTORY-RECOMMENDED ELECTRIC SERVICE ENTRY
Model EV Premium has a factory-installed 34" line cord that will need to be plugged into a 120 V
receptacle for operation.
4.5 SELECTING AIRFLOW SETTINGS
For assistance in determining correct airflow settings, go to https://www.renewaire.com/how-
to-buy/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.
NOTE: Airflow
volumes can be
changed at any
time by the user as expe-
rience dictates. Whenever
changing airflow volumes
for either Continuous (low
speed) or Boost (high
speed) modes, the fans
should again be balanced.

171.800.627.4499
EV-Series Premium ERV
INSTALLATION
uVerify the unit has clean filters in place.
uOpen the pressure port caps for the OA airstream and then insert the tubing into the openings
about 1".
uTake a differential pressure reading for the OA airstream and 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.
uTake a differential pressure reading on the RA airstream and compare the pressure drop
to the table in Section 5.2.1 to find the CFM of the RA airstream. Adjust the RA fan speed
potentiometer to obtain the desired balance. Enter the CFM information into the box in
Section 5.2.2.
uInstall a jumper on the low voltage terminal to force the unit into Boost (high speed) mode.
See the wiring diagram in Section 4.7.
uRepeat the process for both airstreams to set both the CFM and balance. Enter the
information in the boxes in Section 5.1.
uAfter adjusting the potentiometers, take additional readings as needed to verify that fan
speed settings are correct. See Figure 4.6.1.
FIGURE 4.6.0 PRESSURE PORT LOCATIONS
FIGURE 4.6.1 FAN SPEED CONTROL POTENTIOMETERS
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POTENTIOMETERS ARE VISIBLE
AND ACCESSIBLE THROUGH THE
OPENING IN THE UNIT DOOR
NOTE: Adjust low
speed fan set-
tings by using the
potentiometers marked
“L”. Adjust high speed
fan settings by using the
potentiometers marked
with “H.”
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USE THESE TWO PRESSURE PORTS TO
CHECK PRESSURE DROP FOR THE RA
AIRSTREAM
USE THESE TWO PRESSURE PORTS TO
CHECK PRESSURE DROP FOR THE OA
AIRSTREAM
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:
uA magnehelic gauge (or manometer) or other device capable of measuring 0–1.0 inches water
gauge of differential pressure.
u2 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 0–1.0 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, using the installed
pressure ports located on the removable door.

1.800.627.449918
EV-Series Premium
ERV
INSTALLATION
4.7 WIRING SCHEMATICS
CHANGESNAMEREV. DATE
SCHEME
Standard
RenewAire
1
A B C D E
New0
1
Tandem_Field
2 3 4 5 6 7 8 9
10 11 12 13
Input Power
115 VAC, 1 Phase
M
SF Motor
M
EF Motor
SF_ECM_LOW
SF_ECM_HIGH
Line Cord
120VAC
120COM
24VAC
HIGH
COM
EF_ECM_HIGH EF_ECM_LOW
Control Board
BK RD YL BR BU GN/YL
BK RD YL BR BU GN/YL
WHT
RD
BK
RD BK
GN/YL
BK
RD
WHT
WHT
BK
GN/YL
1 2 3
2 1 3
2 1 3
1 2
21 1
22
1 2 3
1 2 3 1 2 3
FIGURE 4.7.0 EV PREMIUM WIRING SCHEMATIC

191.800.627.4499
EV-Series Premium ERV
OPERATION
4.8 LOW VOLTAGE WIRING DIAGRAMS
4.8.1 Low Speed/High Speed Modes Continuous
When plugged in, the unit will run constantly at Low Speed. If the unit is to operate constantly
at High Speed, a jumper wire must be installed between the High Speed terminal and the 24
VAC terminal as well.
4.8.2 Low Speed Continuous/High Speed SWITCHED
If the EV Premium is to run constantly at Low Speed (Continuous mode or Off) and then switch
periodically to Boost mode in response to a controlling device. 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 24 VAC terminal and to the High Speed terminal.
NOTE: Occupancy
sensors have a
total of six wires.
The two NO (Normally
Open) contact wires would
connect to the 24 VAC and
High Speed terminals. The
sensor’s 24 VAC power
wires would connect to the
COM and 24 VAC terminals
on the terminal strip. This
wiring configuration will
vary with each control
sensor.
5.0 OPERATION
5.1 MANOMETER READINGS AT COMMISSIONING
Return Air Pressure Port In. w.g.:
Exhaust Air Pressure Port In. w.g.:
Outside Air Pressure Port In. w.g.:
Supply Air Pressure Port In. w.g.:
Pressure Drop:
Pressure Drop:
FIGURE 4.8.0 LOW VOLTAGE WIRING DIAGRAM 1
FOR CONSTANT HIGH SPEED CONTINUOUS
OPERATION, INSTALL A JUMPER WIRE FROM
THE 24 VAC TERMINAL TO THE HIGH SPEED
TERMINAL.
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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 6 VA 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 wired in parallel. For additional
information see the installation manuals for the control(s) you select for wiring diagrams and
specific instructions.
FIGURE 4.8.1 LOW VOLTAGE WIRING DIAGRAM 2
NORMALLY OPEN
CONTACT WIRE
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NORMALLY OPEN
CONTACT WIRE

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EV-Series Premium
ERV
MAINTENANCE
6.0 MAINTENANCE
This unit is only to be
used after completion of
building construction. It
is not to be used during
construction.
IMPORTANT
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 M: [Airflow in CFM] = 283 x [Core Pressure Drop in inches w.g.]
EV Premium L: [Airflow in CFM] = 593 x [Core Pressure Drop in inches w.g.]
EXAMPLE: 1 In. w.g. of pressure drop across the core 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 M: [Airflow in CFM] = 235 x [Core Pressure Drop in inches w.g.]
EV Premium L: [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 of airflow. So
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.
FIGURE 5.2.0 PRESSURE DROP TO AIRFLOW CONVERSIONS
EV PREMIUM M
Core Pressure
Drop (In.
W.G.)
Airflow with
MERV 8
Filters (CFM)
Airflow with
MERV 13
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 L
Core Pressure
Drop (In.
W.G.)
Airflow with
MERV 8
Filters (CFM)
Airflow with
MERV 13
Filters (CFM)
0.1 59 49
0.2 119 97
0.3 178 146
0.4 237 195
Outdoor Airflow: CFM
Return Airflow: CFM
Outdoor Airflow: CFM
Return Airflow: CFM
5.2.2 Continuous Mode (low speed)
5.2.3 Boost Mode (high speed)
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.