RenewAire Breeze BR70 User manual

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 1
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
INSTALLATION AND OPERATION MANUAL
Model BR70/BR130
Units should be installed by properly licensed contractor(s) according to local
code requirements.
BR Unit (door closed)
BR Unit (door open)
TW Kit
RISK OF FIRE,ELECTRIC SHOCK,OR INJURY.OBSERVE ALL
CODES AND THE FOLLOWING:
1. Use the unit only in the manner intended by the
manufacturer. If you have questions, contact the
manufacturer.
2. Unplug the unit before servicing or cleaning.
CAUTION: more than one disconnect switch may be
required to de-energize the equipment for servicing.
3. Do not use in cooking area.
4. Sufficient air is needed for proper combustion and
exhausting of gases through the flue (chimney) of fuel
burning equipment that might be installed in the area
affected by this equipment. If this unit is exhausting air
from a space in which chimney-vented fuel burning
equipment is located, take steps to assure that combustion
air supply is not affected. Follow the heating equipment
manufacturer's guidelines and safety standards such as
those published by the National Fire Protection
Association (NFPA), the American Society for Heating,
Refrigeration and Air Conditioning Engineers
(ASHRAE), and local code authorities.
5. Do not connect this unit to fume hoods or collection
systems for toxics.
6. Installation work and electrical wiring must be done by
qualified person(s) in accordance with all applicable
codes and standards, including fire-rated construction
codes and standards.
7. When cutting or drilling into wall or ceiling, do not
damage electrical wiring and other hidden utilities.
8. This unit must be properly vented to the outside.
9. This unit must be connected to a properly grounded
power outlet.
1. This unit is intended for general ventilating use only. Do
not use to exhaust hazardous or explosive materials and
vapors.
2. To avoid motor bearing damage and noisy and/or
unbalanced impellers, keep drywall spray, construction
dust, etc., off power unit.
3. This installation manual shows the suggested installation
method. Any structural alterations necessary for
installation must comply with all applicable building,
health, and safety code requirements.
WARNING
BR130
(
Door Closed
)
BR130
(
Door O
p
en
)
CAUTION

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 2
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
Location of the Unit
Before you begin
There are two general ways that the BR models can be
installed. This manual covers duct hung installations. Please
refer to the Thru-Wall instructions packed with the TW kit
when installing units to an outside wall. Read all instructions
before installing the unit. Also review supplemental
instructions for the Thru-Wall kit if used. Carefully unpack
and inspect the unit for shipping damage. Open the access
cover and remove the duct collars and packing materials.
Attach the two duct collars with the screws provided in the
plastic small parts bag.
Select a location so that
♦The unit is hung on the furnace or air conditioner return
trunk line.
♦The two ducts to the outside are kept as short as possible
with few gentle bends. Keeping all ducts as short and
simple as possible provides the best performance from the
system. Shorter duct runs help assure that the system is
balanced; the amount of air brought in is equal to the
amount of air exhausted. Unbalanced flow can cause poor
performance from the unit and may even result in frosting
of the core during extremely cold weather.
♦The fresh air intake vent from the outside is placed a
minimum of ten feet from any other exhaust vent.
♦The power cord reaches an electrical outlet.
♦The front cover can be opened to allow cleaning the core
and filters. Provide at least 24” of clearance at front of
unit for service access to the blowers, filters and
exchanger core.
It is recommended that the BR units be used with standard
furnace air handling equipment with velocities not
exceeding 750 fpm at the point in the return air duct where
the BR unit is attached. An alternate field measurement
would be to locate the BR unit where the static pressure
measurement does not exceed -0.2 inch. If the air handling
system is high velocity or high pressure then the EV Series
of products by RenewAire is recommended.
If a basement area is not available or practical, use other
mechanical room space such as a closet, garage, storage, or
accessible attic or crawl space.
NOTE: If you wish to install the unit in an attic or other
unconditioned space, you may need to use special installation
techniques such as insulating all connecting ductwork. Attic
installations are allowed for residential applications only.
When installed in an attic, the maximum installation
height of the unit is 3 feet above the ceiling below.
Mounting the Unit on Ducting
The unit can be mounted on a return duct in various
orientations. It can be attached to the bottom of the return
duct in lengthwise or crosswise orientation. It can be attached
to the side of the return duct. The different orientations are
shown in the following figures.
Figure 1. Bottom-Hung Lengthwise
Figure 2. Bottom-Hung Crosswise

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 3
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
Mount the unit hanging bracket to the unit. Attach the
hanging bracket to the duct work. Make sure the unit
orientation provides for proper airflow direction in the return
duct. Refer to the air flow direction label on the unit. Using
the template provided cut a rectangular hole in the duct work.
To add rigidity to the duct, bend the edges of the hole into the
duct as flanges. Check the gasket on the back of the unit to
insure it is free of tears and rips. Add the long piece of gasket
provided in the hardware kit to the back of the unit to form a
rectangle with the other three pieces of gasket already applied.
Lift the unit and connect the hanging bracket on the unit into
the hanging bracket on the duct work. Use caution and an
assistant when installing the unit overhead. Swing the unit
into position and verify its fit. Attach the unit end flanges to
the duct work. Now fasten the crosswise bracket to the duct
work and then to the unit. The smaller crosswise bracket may
need to be installed after the lengthwise bracket if one of the
unit flanges cannot be attached to the return duct. Make sure
the screws used are properly selected for the loads and
substrate involve.
Note: All the provided brackets should be installed
surrounding the opening between the unit and return duct.
Exhaust & Outside Air Ducts
The Exhaust Air Duct and the Outside Air Duct connect the
unit to the outside. Flexible insulated duct is typically used.
For duct hung applications, the exhaust outlet and fresh air
inlet on the outside of the building should be at least ten feet
apart to avoid cross-contamination. Keep the length of the two
flexible ducts roughly equal and as short and straight as
possible. Normally, six inch insulated flexible duct is used.
Band or tape inner duct liner to inner flange of appropriate
collar. Drive a sheet metal screw through liner to secure duct
spiral wire to collar. Straighten insulation, and slide outer
duct jacket onto the outer flange of the duct collar. Secure
with band or tape.
If duct runs are exceedingly long (over 10 feet of flex duct for
130 CFM) or have excessive bends or elbows or if maximum
air flow rates are required, eight inch insulated flexible duct
should be used. The outer flange of the duct collar can be
used for both the inner and outer jacket of the flexible duct.
Care must be taken to insure that the duct is securely fastened
and sealed to the duct collar. Ducts connecting the unit to the
outside must be insulated with sealed vapor barrier on both
inside and outside of the insulation.
The inlets and outlets should be screened against insects and
vermin and shielded from the weather to prevent the entry of
rain or snow. The exhaust outlet should not dump air into an
enclosed space or into any other structure.
Mounting the Unit Thru-Wall
As another installation option the Breeze unit may be mounted
directly to the inside of an exterior wall. The Thru-Wall kit
must be used for this application. Refer to Thru-Wall
instructions packed with the TW kit.
Mounting the Thru-Wall Kit
The Thru-Wall Kit, or TW, consists of two hoods, insulated
metal ducts, an interior mounting plate, and small air seal
gasket. See Figure 5. The interior plate is attached to the
interior of the wall. Using the holes in the plate as a reference
CAUTION
INSTALL FRESH AIR INLET AWAY FROM SOURCES OF
CONTAMINANTS.
♦Do not locate the fresh air inlet where vehicles may be
serviced or left idling.
♦The fresh air inlet should be at least ten feet away from
any exhaust such as dryer vents, chimneys, furnace, and
water heater exhausts or other sources of contamination or
carbon monoxide.
♦Never locate the fresh air inlet inside a structure.
Figure 3. Side-Hung
Figure 4. Return Drop Hung

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 4
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
cut 6” holes to the outside allowing for a downward tilt to the
outside of ½” for 12” of duct length. The insulated ducts are
slid through the holes from the inside of the building. Bend
over the tabs at the ends of the ducts on the outside of the
building. These tabs can be attached to the building to keep
the duct in position.
Duct length must be adjusted by cutting the duct to size.
Allow a maximum of ½” of duct to extend past the interior
wall covering.
Attach the wall caps to the exterior of the building. The wall
cap with a rain guard is for the fresh air duct and the small
wall cap without rain guard is for the exhaust air duct. Install
appropriate flashing and sealing around the wall cap flanges to
prevent moisture penetration into the building structure.
See instructions packed with the TW kit for more information.
Inside Ductwork System
(For Wall Mounted Units Only)
Collect Stale Air from the House
Locate stale air return grills (RA) in rooms where moisture
and odors are generated: stale air returns (which pick up stale
household air to be exhausted) should be located in bathrooms
and the kitchen. A central location such as a hallway is also
acceptable but won't clear humidity and odors from baths and
kitchens as rapidly.
Connect Fresh Air from the Unit to the House
Use a five foot section of flexible insulated duct to connect the
unit to the return air duct at the port labeled Fresh Air (FA).
Note that the flex duct is not required for the room air
connection (RA). This will cut noise transmitted from the
unit. Stretch the flex duct tightly in order to maintain good
airflow.
For houses with forced-air heating and cooling systems
Most units are installed with the fresh air duct connected
directly to a return duct for the main heating and cooling
system. Be careful to connect the fresh air duct at least three
feet from the return plenum to minimize suction from the
furnace blower. A connection closer to the furnace may result
in unbalanced flow and associated problems.
For houses without ducted heating or cooling systems
In most houses one or two fresh air grilles in a central part of
the house provide effective distribution of the fresh air into the
home, particularly when the stale exhaust air is picked up at
several points. Because the fresh air is usually somewhat
cooler than the household air, the fresh air supply grilles
should be located in a traffic area like a hallway or stairway
rather than in a sitting area.
Electrical Controls
WARNING
DANGER OF ELECTRICAL SHOCK WHEN SERVICING AN
INSTALLED UNIT.ALWAYS DISCONNECT POWER SOURCE
BEFORE WIRING OR SERVICING.
NOTE: Proper Wiring Size Selection and Wiring Installation
Is the Responsibility of the Electrical Contractor.
NOTE: Electrostatic discharge (static electricity) may have
an adverse effect on the control board. Use proper
grounding techniques when handling the control board.
Automatic Proportional Runtime Control
All installations include a Primary Operating Control on the
unit to ensure appropriate operation of the system. The
control terminal on the unit must be connected to the
furnace/air conditioner and/or thermostat only for proper
operation. The thermostat and furnace/air conditioner control
circuit must be Class II circuits. See Figure 6 for a wiring
diagram.
Figure 6. Wiring Diagram
Fi
g
ure 5. Thru-Wall Kit
This connection required when
a central air conditioner is or
will be part of the system.

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 5
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
Maintenance Requirements
WARNING
RISK OF ELECTRIC SHOCK OR INJURY.
♦Before servicing or cleaning the unit, unplug the unit line
cord.
♦Make sure unit is not running before opening its door.
Blower wheels are sharp and can cut.
♦Do not disable the interlock switch: it is there for your
safety.
Service Filters Regularly
Service filters every three months when the unit is in regular
use or as needed to keep them reasonably clean.
1. Release cam latches and carefully swing access cover
open. The cover may be removed by sliding to one side.
2. In BR130 units, remove filter clips.
3. Pull the filters out.
4. Vacuum with a hose attachment.
5. Re-install filters.
6. Re-install cover and fasten cam latches.
NOTE: Filters should be replaced after they have been
cleaned several times. The primary contact for replacement
filters for your RenewAire unit is the installing contractor. As
an alternative, you may wish to produce your own filters
following these instructions:
Filters may be cut from a sheet or roll of ¾”–1” firm, spun
polyester filter “hog hair” media or material, similar to the
existing filter in the residential unit.
The size of each filter (2 required per unit) is listed as follows:
BR70 7 ” x 10 ½”
BR130 10 ½” x 10 ½”
NOTE: Filters must be used or the energy exchange
element will become blocked by dust. The filters supplied in
the unit are usually able to keep the energy exchange element
clean for many months. Finer filters can be used but must be
cleaned more often.
Vacuum the Face of the Energy Exchange Element Yearly.
Dust collects only on the entering faces of the energy
exchange element. The interior of the energy exchange
element stays clean even if the element faces are dust covered.
TO CLEAN THE ENERGY EXCHANGE ELEMENT:
1. Remove the filters (see above).
2. Vacuum the exposed faces of the energy exchange
element with a soft brush attachment.
3. After servicing the filters, re-install them (see above).
4. Vacuum out dust from the rest of the unit case.
CAUTION
DO NOT WASH THE ENERGY EXCHANGE CORE.
Clean only as described above. The energy exchange core can
be replaced but is expensive.
The Blower/Motor Package Needs No Lubrication.
If necessary vacuum clean the blower wheels at the same time
you clean the face of the energy exchange element (yearly).

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 6
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
PRODUCT DATA
Energy Exchange
System: Cross flow fixed-plate enthalpic heat exchanger core; engineered, proprietary resin-media
composite. Moderates both temperature and humidity extremes.
Certified
Performance: See HVI Performance Report
BR70 BR130
Airflow Range: 30-80 CFM each air stream. 50-140 CFM each air stream.
Rated Airflow: 70 CFM at 0.2” external static pressure 130 CFM at 0.2” external static pressure
Dimension: 27 1/8” long x 18 ¼” wide x 10 5/8” deep
(Not including duct collars). 30 7/8” long x 18 ¼” wide x 13 3/8” deep (not including duct collars).
Unit Weight: 45 lbs. 55 lbs.
Power: 0.08 HP, 1.0 amps, 85 watts at 70 CFM. 0.1 HP, 1.3 amps, 123 watts at 130 CFM.
Access Cover:
Front panel opens to provide access to filters, blowers, and heat exchanger. Snap latches
and hinges provided for easy service.
Insulation: One inch foil-faced fiberglass throughout. Additional ¼” foam insulation on access panel
for thermal and sound insulation.
Duct Connections: Insulating double collars with 6” and 8” round connections for flexible or rigid duct work.
Mounting Options: Unit may be mounted to duct or wall using integral mounting flange with hanging bracket
kit provided.
Blower/Motor: A single high efficiency PSC motor directly drives two centrifugal blowers for quiet
operation.
Electrical: 115 Volt, 60 Cycle, single phase. Control: 24 volt, transformer and relay provided.
Filters Cleanable polyester air filters for both exhaust and fresh air streams.
Defrost: Passive frost-free design under most residential conditions.
Warranty: Ten year limited warranty on heat exchange core; two year limited warranty against defects
in material and workmanship on all other components.
BR70 BR130

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 7
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
Parts List BR70 / BR130
Description
A. Door Assembly L. Interlock Switch
B. Core assembly M. E-Box
C. Filter (set of 2) N. Hardware Kit
D. Label O. Literature Packet
E. Blower & Wheel, Divider Side P. Hinge set (both parts)
F. Duct Collar (two required) Q. Angle Crosswise Mount
G. Case, Insulated R. Unit Hanging Bracket
H. Latch set (both parts) S. Control Board w/pot. and standoffs
I. Duct Hanging Bracket T. Potentiometer Knob
J. Motor U. Terminal Strip
K. Blower & Wheel, Motor Side V. Line Cord w/Bushing
Blower Subassembly
A
B
C
D
E
F
G
H
I
J K L
M
N
O
P
Q
R
S
T
U
V

© 2008 RenewAire LLC Due to continuing product development, specifications are subject to change without notice.
For Technical Updates and other current info, visit www.breeze.renewaire.com
BR70_130_Manual_FEB08.doc. 140036_003 Revised 2/08 8
4510 Helgesen Drive, Madison, WI, 53718
608.221.4499, 800.627.4499, Fax: [phone]
[email protected] www.renewaire.com
Purpose of an Energy Recovery
Ventilation (ERV) System
Many modern homes are built air-tight for energy efficiency and
comfort. The result is that natural air infiltration rates are often
too low to provide acceptable indoor air quality. The solution is
to use an ERV to remove gaseous pollutants like: carbon dioxide,
smoke, radon, odors, winter-time excess humidity, formaldehyde
and other chemicals. The removal of dust and other small
particles from your home is not the primary function of an ERV.
When should you use your ERV?
Use your ERV when windows are closed and you need to
ventilate. When the outdoor air is warmer or cooler than
comfortable, the ERV will allow a quieter, more secure home
with the windows closed and will also save energy.
How much ventilation is right for you?
Different households require different rates of ventilation,
depending on the pollutants found in each home. It is generally
not practical to determine the exact amount of ventilation a
specific home will need. The American Society of Heating,
Refrigeration and Air Conditioning Engineers (ASHRAE) has
developed minimum ventilation guidelines (see chart below)
based on either the size of the house or the number of occupants
(bedrooms), Breeze will automatically provide this rate every
hour.
Smokers will generally need about double the usual ventilation
rate to provide reasonable air quality. The presence of radon will
also generally suggest a higher ventilation rate and other system
modifications.
These guidelines are a starting point. As long as the pollutants
you are concerned with are detectable (like water vapor or odors)
your nose can be a good guide, and you may find that fewer hours
of operation will be sufficient.
Elimination of household moisture when first operating an
ERV.
In general, when the ERV is first turned on at the beginning of
the heating season (or when first installed), it will have to run
full-time for several days to stabilize indoor humidity levels. Set
the control to the "100%" position for several days if you have a
problem with excess humidity.
Using an ERV with air-conditioning.
An ERV works very well with air-conditioning, because its
enthalpy-transfer core will reduce the amount of moisture in the
outside air that is brought in. As is true during the heating
season, ERVs should be used only as needed to provide good air
quality.
An air-conditioned home in the summer is generally dryer than
the outside air and the unit will work to remove excess humidity
from the outside air before it enters the home. ERVs are the
preferred way to ventilate during the air-conditioning season
because it brings in less moisture than any other ventilation
method.
Minimum Run Times (Ventilation Rates)
% Run Time Square feet living space to provide Number of Bedrooms
0.35 Air Changes/Hour 15 CFM/Occupant