UltimateAir 200DX Installation and operating instructions

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Introduction
Welcome to the most advanced whole-house air filtration & Energy Recovery
Ventilation on the market today.
Energy Recovery Ventilation (ERV) means this machine captures temperature and a
portion of the moisture from the stale, outgoing air and transfers it to the incoming
Fresh Air. No matter what the season, you will be comfortable breathing fresh clean air.
In addition to having an energy transfer rating of 98% ASE, the UltimateAir 200DX
moderates indoor humidity in the winter and turns away outdoor humidity in the
summer.
•Filtration 95% at 1.8 microns (MERV 12)
•Exceeds ASHRAE 62.2
•Variable Airflow with Quiet operation
•Low/Easy maintenance
•Automatic Frost Prevention to 10° F
•No Condensation Drain needed
•2-year Warranty, Extended Available
•Brushless EC Motors with Sealed Ball
Bearings
•EconoCool™ (brings in cool, filtered night
air in summer)
•Up to 75% moisture transfer capability (depending on season)
•Optional Transmitter for real-time changes in indoor air pressure
•Optional CO2 monitor adjusts airflow for elevated CO2
•Compatible with many IAQ monitors
•Filter service indicator
•Fully insulated

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Specifications
All models include pre-filters, patented energy transfer/filtration material, 3 motors,
fans, variable blower speed control, “check filter” indicator light, & auxiliary IAQ control
inputs.
These controls allow you to adjust the airflow as needed to maintain a comfortable level
of fresh air. The “check filter” indicator light is designed to let you know when to clean
or replace the energy transfer/filters.
Model 200DX: UL1812 & CSA 22.2 Listed
Model 200DX-E: Non UL Listed
Airflow Capacity ~30– 200CFM
Apparent Sensible Effectiveness (ASE) 98%... Testing In Accordance with CAN/CSA-C439
Heat Exchange Type Patented rotary random matrix polymer
Filtration Filtration material 95% effective at 1.8 microns (MERV 12), replaceable, with separate
washable aluminum pre-filter.
Frost Control Programmed to automatically prevent frosting down to approximately 10˚F
under normal operating conditions. Integrated internal electric defrost, external electric defrost,
and/or geothermal defrost options available.
Electrical Ratings 120 VAC, 60 Hz., 6.0 amp No Pre-
Heat, 12amp with Pre-Heat
Fuse (low voltage) ¼ Amp, 250V 3AG slow blow
fuse
Dimensions 25 in. H x 19 in. W x 25 in. D
(63.5 cm H x 48.25 cm W x 63.5 cm D)
Unit Weight 72 lb (32 kg)
Shipping Weight 80 lb (36 kg)
Installation Vertical, horizontal, suspended from
floor joists, placed on floor or shelf in conditioned
spaces. Unit designed to accept rigid male 6”
crimped duct for take offs (x4). Use increaser to 7”
or 8” as appropriate
Maintenance Check Filters/Wheel every 6 months.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Performance Data
Fan
Power The power curve was generated using the average airflow rate
over all four ducts.
Note: Curves are generated from actual test data and should only be used
as general guidelines. Actual results may vary.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Installation & Ducting
We strongly recommend a licensed HVAC technician install this product,
because of complex considerations such as airflow dynamics and
condensation issues. Read these instructions carefully before beginning any
installation procedure. Failure to follow them closely may reduce
ventilation effectiveness, cause a hazardous condition, and/or invalidate
your warranty. Installation by non-licensed HVAC personnel may void the
warranty.
Unpack the 200DX and check to be sure the following are packaged inside
the machine and undamaged:
•Wall mountable flow control dial (pre-wired for test run).
•4 Rubber self-adhesive pads for vibration control.
•Literature package with this manual, and warranty registration card.
When Installing:
1. Test Run the RecoupAerator by plugging into a power outlet, turn
switch on, and adjust the blower speed with the included Wall Dial.
Familiarize yourself with the intake and outlet duct configuration and
installation dimensions. Decide how you will mount the unit. We
recommend ACCA’s manuals D & J for proper load calculations and duct
sizing.
2. Locate the three tabs at each duct hole and bend
them ‘out’. If the unit has preheat installed at
duct #1- bend those tabs out as well. The duct
heater can be screwed to the black case.
3. Apply a bead of silicone or general sealant inside
the duct opening where the crimped end of a
male 6” duct starter will intersect and insert the fitting into the opening
until it stops against the inside wall (approximately 1”). The sealant is to
create an air seal between the ERV duct opening and the inserted duct.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
It does not need to seal to the exterior steel erv case. Any male crimped
6” transition fitting can be used. UltimateAir recommends a minimum
of a 7” to 6” taper reducer at all four collars. Some installations will
require 8” to 6” tapered reducer for running 8” trunk ducts.
4. Use the included tek screws to attach the collar to the ERV metal tabs
through the pre-drilled pilot holes for rigid attachment.
5. NOTE: All ducts from the
ERV to the outside (1&4)
must be insulated.
6. After installation is
complete, fill in contractor’s
name and phone number on
the last page of this manual,
and please complete the
Warranty Registration to
validate the installation.
APPLY SEALANT
AROUND COLLAR INSTALL TEK
SCREWS TO
SECURE

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Duct to Indoors Duct To Outdoors
CAUTION
Always Disconnect the Power supply
before wiring to prevent electrical
shock and/or equipment damage.
The RecoupAerator is equipped with a three-pronged grounding
plug for your protection against shock hazards and should be
plugged directly into a properly grounded, 120V, three-pronged
wall receptacle. If only a two-pronged outlet is available, it must
be replaced with a properly grounded three-pronged receptacle in
accordance with the National Electrical Code and local codes and
ordinances. A qualified electrician should do this work. Use proper
circuit protection. If you have any doubts about the grounding in
your house, contact a qualified electrician.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Option 1: Dedicated Ventilation Ducting
The most complete installation option and ideal for new construction. Use
option 1 when a home or business is concerned with health issues (e.g.,
when an occupant has asthma or severe allergies). Option 1 is the only
option for buildings without existing forced air ductwork. Option 1 is also
used with radiant heat flooring or geothermal heating.
The more rooms to which ductwork is run the more effective the system
will be. Dedicated ductwork is installed for the stale air exhaust and the
fresh air delivery. The kitchen, laundry room, and other areas with high
contamination should contain registers for the exhaust. Areas such as the
living room and bedrooms should receive the full benefit of the fresh air
being brought in, and a good installation will feature supply vents in these
locations. As a general note, fresh air is generally supplied at floor level, and
stale air is removed at ceiling level.
A simpler but somewhat less effective version of this system uses one
exhaust and one or more delivery registers located strategically to
encourage circulation throughout the house.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Option 2: Shared Forced Air Supply, Dedicated Stale-
Return
This method partially uses the existing HVAC duct system. Fresh Air IN from
the RecoupAerator® gets ducted into the cold air return side, or supply side
of the furnace. Stale Air Out thru the RecoupAerator® is ducted separately
to points throughout the house from which you would like to remove stale
air (e.g., the kitchen, bathroom, open stairwell). This method allows for
independent control between the HVAC air handler and the
RecoupAerator® (i.e., the air handler and the RecoupAerator® are not
interlocked and run independent of each other).

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Option 3: Shared Forced Air Supply, Shared Return
This method uses the existing HVAC duct system completely.
Fresh Air IN from the RecoupAerator® is ducted to the main
supply duct to the house. The Stale Air Out thru the RecoupAerator®
is ducted into the cold air return duct of the furnace. If you use this
method, we recommend that you wire your RecoupAerator® and
your air handler to run simultaneously (i.e., they will be interlocked) to
prevent recirculation shorting thru back past the furnace air handler.
Option 4: Shared Forced Air Return
This method uses the existing HVAC duct system completely. Both the Stale
Air Out and the Fresh Air IN from your RecoupAerator® are attached to the
cold air return duct of your HVAC system. Be sure to keep at least three
feet of space along the cold air return duct between the two
RecoupAerator ducts. When using this method, your RecoupAerator® and
your air handler must be wired to run simultaneously (i.e., they are
interlocked).

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Positioning the 200DX
Position the RecoupAerator in a location convenient to existing ducting and
furnace/forced air system. We do not recommend the RecoupAerator be
mounted in an unconditioned space, as this will affect the performance and
longevity of the unit. If possible, locate equipment away from the quiet
rooms (e.g., bedrooms). Avoid directly suspending the RecoupAerator from
the mid-span area of joists. This can result in structural vibration. Allow
adequate space for maintenance and service of the RecoupAerator.
Vertical Floor Mount. The RecoupAerator rests on four rubber feet when
mounted vertically. Set the machine on a flat, dry, level surface at least 20”
x 24” which is able to support a minimum of 85 lbs. Allow 24” above for
removal of the top cover and pre-filters so they may be easily lifted away
for service of the heat recovery/filtration material. Allow 24” on the front
side of the unit for service and cleaning.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Horizontal.Use a Ceiling Mounting Kit to suspend the RecoupAerator from
the “D” rings located on the four corners. Allow adequate space (12”)
between the ceiling and the unit to allow for servicing. Allow 24” below the
unit for servicing. Allow 24” on the filter access side of the unit.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Planning the Duct Work
Ducting between the RecoupAerator and the outdoors must be
insulated and sealed with a vapor barrier to prevent
condensation.
Two duct holes are labeled Connect to Outside. The other two duct holes
are labeled Connect to Inside.
To ensure maximum airflow, use the largest practical duct for the
installation. Design and installation of ductwork must be in accordance with
HVAC standards and regulations to allow required quantities of fresh air to
circulate through the building. Under no circumstances should the trunk
duct size be less than six inches, as this will restrict the airflow considerably.
Insulated flex ducts tend to reduce air noise levels but add airflow
resistance, and galvanized ducts provide the least resistance to airflow, but
may amplify noise. Duct connections inside each building will vary. The
outside duct connections are the same for most installations and must be
insulated.
Connect to
Outside
Connect to
Inside
Fresh Air In (1)
Stale Air Out (4)
Fresh Air In (2)
Stale Air Out (3)
FRONT

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
General Ducting Guidelines
The duct installation should follow the following standards:
a. Mechanical integrity The system will remain as built for the life
of the building, without developing leaks, obstructions, or
insulation failures.
b. Freedom from leaks All air moved by the air handler will be
drawn from and delivered to the intended conditioned spaces.
c. Proper insulation Conditioned air should Not exchange heat
with Unconditioned spaces.
A licensed HVAC contractor should do the duct design calculations.
To minimize backpressure: Make the intake and exhaust duct runs as
short and straight as possible. Use 45-degree elbows instead of 90-degree
where practical. Where flex duct is used, make sure that no “crimping” or
“collapsing” of the duct occurs. Stretch flex duct evenly to avoid air
restriction. Use “Y” connections instead of “T” connections wherever
possible. Size ductwork according to recognized industry standards such
as Manuals D and J, published by the Air Conditioning Contractors of
America (ACCA).
•Use the minimum length of flexible duct possible
•Minimize any noise transmission through the ducts by using a short
run (2-3 ft) of insulated flex duct on duct trunks coming from
the unit and going to the inside of the house.
•Position outdoor fresh air intakes away from known sources of
pollution. A six-foot separation is the recommended distance
between the Fresh air intake and stale air exhaust. Locate
Intake and Exhaust 40 inches from the corner of the building,
and above the projected snow plane.
•Position inside grill/register vents so that fresh air does not blow
directly onto occupants or the thermostat.
•Fasten joints between duct components with screws, sealant, and/or
rivets and wrap them with metal foil duct tape to ensure no
leaks.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Making a Noisy Duct System Quiet
1. Run at the lowest flow setting necessary for fresh air requirements.
2. When installing the unit, allow for a three-foot section of insulated
flexible duct to go from the starting collar on the unit to the rest of
the ductwork (on all four collars).
3. Locate the unit farther away from the source of the noise pollution
area (if the unit is close to a living room vent where the noise is too
loud) This will allow the noise to dissipate in the longer duct length.
Tools to install non-metallic flexible duct:
Knife or Scissors/Wire Cutter: Use knife or scissors to cut duct
wall. Use wire cutters to cut the spiral wire helix.
Foil Tape: Use only tapes that have been listed and labeled to
Standard UL 181B and labeled “181B-FX”. Use two wraps of 1½”
minimum width.
Draw Band/Plastic Clamp/Clamp Tool: Use for low-pressure
systems up to four-inch wg (diameters of three to 10’) and up to
two-inch wg (diameters of 12” and over). To achieve proper
tensioning of clamp, set clamp to max tension setting.
•Support hardware (e.g., couplings, and fittings) independently of
flexible duct using elbows or other devices.
•Repair damaged vapor barrier jacket. If internal core is
penetrated, replace or splice flexible duct.
•Install duct fully extended along straightest path possible.
•Flexible duct shall be supported at manufacturer’s recommended
intervals, but at no greater distance than five feet, and the
maximum permissible sag is ½” per foot of spacing between
supports.
•In no case will the hanger or saddle material supporting the
flexible duct be less than 1½” wide.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Flexible Duct
Pull insulation and vapor
barrier jacket over core
and snug against steel
case to completely
cover the duct fitting
Mechanically fasten the
vapor barrier jacket with
a draw band
Secure the inner core to
the fitting using a draw
band or three wraps of
pressure-sensitive tape
- apply additional mastic
over the connection.
Pull back the
insulation and
vapor barrier
jacket from core
Apply mastic over the
fitting and / or inside the
duct core before pulling
the inner lining at least
1-inch over the fitting.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Ducting to Outside
Note: The ducts to the outside must be insulated. The collars
labeled “to Outside” must be ducted through the exterior of the building,
and the following precautions should be taken.
1. The ends of the two ducts should be as far apart as practical (at least
six feet, either horizontally or vertically) to minimize re-circulation of
the exhaust air.
2. Terminate the ducts using exterior weather hoods. Ensure that the
exterior weather caps have wire mesh to keep out birds and debris.
Angle the weather caps down and away from each other and place
them away from exhaust vents for other appliances such as dryers or
hot water heaters. Avoid placing air intake vents near exhaust vents
from adjacent buildings or sources of automobile exhaust. Never
place an air intake in a garage, for instance.
3. Make sure that the joints between the termination vents and the
walls are weather sealed.
6’ MINIMUM RECOMMENDED
SEPERATION

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Wiring and Controls
CAUTION
Before performing any service to your RecoupAerator, switch off the unit
and disconnect power from the unit. You must disconnect power by either
unplugging the unit or by switching the applicable breaker in your breaker
box to off. Otherwise, the main power to the unit will remain hot and could
cause serious bodily injury.
Basic Electrical Wiring
The RecoupAerator Model 200DX is supplied with a wall mountable
controller which may be mounted near the unit or in a remote location.
Follow all applicable electrical codes.
The RecoupAerator can be wired to run in a number of different ways. This
section of the manual describes each benefit option and shows the wiring
procedure to accomplish them.
Factory Default Settings
Airflow. This unit contains two blower motors, each independently
controlling the airflow coming into the building (Blower 1, supply), and
leaving the building (Blower 2, exhaust). The unit has the capability of
lowering the airflow from the building going to the outside by a selectable
set of offset jumpers on the three-motor control board. Factory settings
provide for “balanced” airflow, that is, equal airflow both coming into the
building and exiting the building.
Input. The RecoupAerator comes equipped to handle several different
types of control input. From the factory, The RecoupAerator is wired with
the Wall Dial Control, unless otherwise specified at the time of order.
EconoCool. This unit comes with an economic ‘night’ flush feature. There is
a small silver toggle switch mounted next to the Main Power switch to turn
EconoCool ON and OFF. Please see the ‘econocool’ section in this manual
for further detail.

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Three-Motor Main Control Board

Model 200DX :: Ultimateair.com :: Athens, Ohio 45701 :: 740.594.2277
Three-Motor Main Control Board Description
A. F2: Wiring input from auxiliary air handler. 24 VAC common. In some cases “C”
post from thermostat wiring on the furnace. When using this input, REMOVE
jumper at L – JP4.
B. F1: Wiring input from auxiliary air handler. 24 VAC line. In some cases “G” post
from thermostat wiring on the furnace. When using this input, REMOVE jumper
at L – JP4.
C. Boost input: When this post receives a 24 VAC from I, J, or K, the unit will be
turned on, and to high speed (max air flow).
D. EconoCool input: When this post receives a 24 VAC signal from I, J, or K, the
EconoCool function will be enabled.
E. Temperature input A: Temperature thermistor located at the incoming air
stream (duct 1) connects through this input.
F. RET 3: 24 VAC return post. Common from the internal transformer.
G. RET 2: 24 VAC return post. Common from the internal transformer.
H. RET 1: 24 VAC return post. Common from the internal transformer.
I. LINE 3: 24 VAC line post. Line voltage from the internal transformer.
J. LINE 2: 24 VAC line post. Line voltage from the internal transformer.
K. LINE 1: 24 VAC line post. Line voltage from the internal transformer.
L. JP4: Used to enable or disable on/off control from outside source via F1 and F2.
REMOVE this jumper when controlling the ERV via F1 and F2 outside 24VAC
signal.
M. RED LED: Main 24VAC power LED. This should be lit anytime main power switch
is on. Indicates there is 24VAC power to this control board.
N. JMP3: Offset / DP Set point jumper. See Air Flow Offsets
O. JMP2: Offset / DP Set point jumper. See Air Flow Offsets
P. J3: When J3 is in the 0-10V position, Z - JMP1 MUST be in the EU position. J3
Selects control input from either the Wall Dial Control, or a 0-10V DC input
voltage (at T and V).
Q. Programming jumper. Must be in place for RecoupAerator to operate. Remove
for programming.
R. J6: When supply air is ducted to a forced air system- this setting used to set
minimum airflow to 70CFM. ‘1’ position. ‘0’ position is normal flow range.
S. J7: Relay selection. Jumper selects whether the normally open relay (X) closes
when the unit turns on (position I/O), or as controlled by TempA input when in
the temp position. Default is position I/O.
T. 0-10V DC input: When J3(P) is in the 0-10V position, a positive line voltage 0-
10V DC may be used to control the RecoupAerator operation. When J3 is in 0-
10V position, JMP1 MUST be in EU position for the 0-10V input to work.
U. Not connected. Empty socket.
V. 0-10V DC input: When J3 is in the 0-10V position, this post connects to the
negative side of the 0-10V DC control.