Fantech SHR 3005R Guide d'installation

Catégorie
Cheminées
Taper
Guide d'installation
SHR / VHR Series
Heat recovery ventilators
fantech
Installation Manual
Item #: 405190
Rev Date: 121514
SHR 1504 SHR 1505R SHR 2004 SHR 2005R SHR 3005R SHR 3205RD
VHR 1404 VHR 1405R VHR 2004 VHR 2005R
Your ventilation system should be installed in conformance with the appropriate provincial requirements or, in the absence of
such requirements, with the current edition of the National Building Code, and / or ASHRAE’s “Good Engineering Practices”.
Fantech reserves the right to modify, at any time and without notice, any or all of its products’ features, designs,
components and specifications to maintain their technological leadership position.
Please visit our website www.fantech.net for more detailed technical information.
United States
10048 Industrial Blvd., Lenexa, KS, 66215
Tel.: 800.747.1762 • Fax: 800.487.9915
Canada
50 Kanalflakt Way, Bouctouche, NB, E4S 3M5
Tel.: 800.565.3548 • Fax: 877.747.8116
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Note Warning/
Important
note
Information Technical
information
Practical tip
PLEASE READ THIS MANUAL BEFORE INSTALLING UNIT
For residential use only
Before installation careful consideration must be given to how this system will operate if connected to
any other piece of mechanical equipment, i.e. a forced air furnace or air handler operating at a higher
static pressure. After installation, the compatibility of the two pieces of equipment must be conrmed by
measuring the airow of the Heat Recovery Ventilator using the balancing procedure found in this manual.
It is always important to assess how the operation of any HRV may interact with vented combustion equipment (i.e.
Gas Furnaces, Oil Furnaces, Wood Stoves, etc.)
Products are designed and manufactured to provide reliable performance, but they are not guaranteed to be 100%
free of defects. Even reliable products will experience occasional failures, and this possibility should be recognized
by the user. If these products are used in a life support ventilation system where failure could result in loss or injury,
the user should provide adequate back-up ventilation, supplementary natural ventilation or failure alarm system, or
acknowledge willingness to accept the risk of such loss or injury.
Your ventilation system should be installed in accordance with the local building code that is in effect, in absence
of such requirements, it is recommenced to check with local authorities having jurisdiction in your area prior to
installing this product.
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Table of content
DETERMINING YOUR AIRFLOW REQUIREMENT ..................................................... 4
INSTALLATION EXAMPLES
Fully dedicated system ................................................................ 5
Partially dedicated system .............................................................. 6
Simplified installation – Option 1...........................................................7
Simplified installation – Option 2...........................................................8
EXTERIOR DUCTING INSTALLATION
Weatherhood Location ................................................................. 9
Installing the ducting to the weatherhood ................................................... 9
Steps for hood installation ...............................................................9
INSTALLING DUCTS TO / FROM INSIDE
Installing ducting to HRV .............................................................. 10
Supply & Exhaust Air Grilles Location...................................................... 10
Ducting fifth port units (R) ..............................................................10
DUCTING INSTALLATION EXAMPLES..............................................................11
HRV INSTALLATION......................................................................... 12
START UP PROCEDURE ......................................................................13
AIRFLOW BALANCING........................................................................13
Adjusting airflow .....................................................................14
Measuring the airflow using station (grid) method .............................................14
LOW VOLTAGE CONTROL .....................................................................15
ELECTRICAL CONNECTIONS
SHR1504, 1505R, 2004, 2005R.........................................................16
VHR1404, 1405R, 2004, 2005R ........................................................17
SHR3005 ..........................................................................18
SHR3205RD........................................................................19
TROUBLESHOOTING .........................................................................20
MAINTENANCE CHART .......................................................................21
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4
Room classification Number of rooms CFM (L/s)
CFM Required
Master bedroom x 10 L/s (20 CFM) =
Basement yes or no =
Bedrooms x 5 L/s (10 CFM) =
Living room x 5 L/s (10 CFM) =
Others x 5 L/s (10 CFM) =
Kitchen x 5 L/s (10 CFM) =
Bathroom x 5 L/s (10 CFM) =
Laundry room x 5 L/s (10 CFM) =
Utility room x 5 L/s (10 CFM) =
Total Ventilation Requirements (add last column ) =
if yes add 10 L/s (20 CFM)
if no = 0
1 CFM = 0.47 L/s
1 L/s = 2.13 CFM
Room Count Method
Determining your airflow requirement
ASHRAE method
Ventilation Air requirements
Floor area Bedrooms
0-1 2-3 4-5 6-7 >7
Ft
2
m
2
CFM L/s CFM L/s CFM L/s CFM L/s CFM L/s
< 1500 <139 30 14 45 21 60 28 75 35 90 42
1501-3000 139.1-279 45 21 60 28 75 35 90 42 105 50
3001-4500 279.1-418 60 28 75 35 90 45 105 50 120 57
4501-6000 418.1-557 75 35 90 42 105 50 120 57 135 64
6001-7500 557.1-697 90 42 105 50 120 57 135 64 150 71
>7500 >697 105 50 120 57 135 64 150 71 165 78
* ASHRAE 62.2-2010 Table 4.1, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings.
Bathroom: If the HRV is going to provide the required local exhaust ventilation for each bathroom with each a continuous 20 CFM
(10 L/s), this ventilation rate can be considered as part of the whole-building ventilation rate.
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Installation examples
FULLY DEDICATED SYSTEM
BEST FOR NEW CONSTRUCTION
Stale air is drawn from key areas of home (bathroom, kitchen, laundry)
Fresh air supplied to main living areas
1. Furnace blower must operate when ventilation from HRV is required. The
furnace should be set to run continuously or interlocked with HRV.
2. Weatherhood arrangement is for illustrative purposes only. 3m (10')
minimum separation and 460 mm (18") above grade is recommended.
3. Due to the differences in pressure between the HRV and the equipment it is
being connected to, the HRV's airflow must be balanced on site, using the
procedure found in section “AIRFLOW BALANCING”.
Suggested installation for:
Hydronic baseboard
Inoor heating
Electric baseboard
Mini split heat pump
Benets: Provides the best
fresh air distribution in the
house; lowest operation cost
since the furnace/air handler
unit is not needed.
Air from inside
* Unit air flow should be balanced while HRV is on "Normal" speed and
furnace blower is running.
* Ductwork layout may dif-
fer depending on model
Stale air to
outside
Fresh air from
outside
Fresh air to
living areas
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HRV/Furnace ducting for Partially Dedicated System
Air from inside
* Unit air flow should be balanced while HRV is on "Normal" speed and
furnace blower is running.
Air return
1 m (3' 3")
min.
recommended
Cold air
return
* Ductwork layout may dif-
fer depending on model
Installation examples (Cont'd)
DIRECT CONNECTION of the FRESH air to living area to the RETURN PLENUM
of the AIR HANDLER (Stale air drawn from key areas of home)
PARTIALLY DEDICATED SYSTEM (BETTER)
Suggested installation for:
Central furnace (air
handling unit or central
air conditioners)
When ducting fresh
air to living area is not
possible or practical,
i.e. expensive or when
the central AHU will
operate year-round.
Benets: Conditions the
fresh air prior to
distributing it throughout
the house
1. Furnace blower must operate when ventilation from HRV is required. The
furnace should be set to run continuously or interlocked with HRV
2. Stale air is drawn from key areas of the home (bathroom, kitchen, laundry
room).
3. Fresh air is supplied to the return air plenum of the furnace.
4. Due to the difference in pressure between the HRV and the equipment it
is being connected to the HRV’s airflow must be balanced on site, using
the procedure found in the section “AIRFLOW BALANCING”
Fantech heat recovery ventilators (HRV) that use a supply fan shutdown for frost preven-
tion do not include an outdoor air motorized damper. If you are using a simplied installa-
tion, i.e. connecting the HRV supply air duct to a furnace's return air duct, the HRV must
operate continuously. When the HRV is turned off, no warm exhaust air will ow through
the HRV but the furnace's fan will continue to draw in outdoor air directly into the furnace.
If it's cold outside, cold air will be introduced, without re-heating, directly into the furnace.
If the HRV is installed such that the homeowner may turn off the HRV during the winter, we
recommend installing a motorized damper between the HRV's supply air and the furnace's
return air duct that closes when the HRV is not operating. See wiring diagram (gure 1).
You may also choose to use a Fantech HRV that uses a recirculation defrost that incorpo-
rates an outdoor air damper.
Damper
Motor
24 VAC Transformer
COM
NO
HRV Furnace interlock
See page 17.
24V
120V
Figure 1
*Transformer and Damper motor not included
Stale air to
outside
Fresh air from
outside
Fresh air to
living areas
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Air from inside
* Unit air flow should be balanced while HRV is on "Normal" speed and
furnace blower is running.
Outside
1 m (3' 3")
min.
recommended
Cold air
return
* Ductwork layout may dif-
fer depending on model
HRV/Furnace ducting for Simplified Installation - Option 1
Installation examples (Cont'd)
DIRECT CONNECTION of both the HRV SUPPLY AIR STREAM and EXHAUST AIR STREAM
to the FURNACE COLD AIR RETURN
SIMPLIFIED INSTALLATION (GOOD)
(RETURN/RETURN METHOD) - OPTION 1
Suggested installation for:
When bathroom and kitchen
already have local exhaust
system
May be suitable for
retrotting
Benets: Least expensive
installation type
1. Furnace blower must operate when ventilation from HRV is required. The
furnace should be set to run continuously or interlocked with HRV.
2. A minimum separation of 1m (3`3’’) is recommended between the two
direct connections.
3. In order to prevent exhausting any fresh air, the HRV’s exhaust air connection
should be upstream of the HRV’s supply air connection when ducting to the
furnace’s cold air return.
4. Due to the difference in pressure between the HRV and the equipment it is
being connected to the HRV’s airflow must be balanced on site, using the
procedure found in the section “AIRFLOW BALANCING”
Fantech heat recovery ventilators (HRV) that use a supply fan shutdown for frost preven-
tion do not include an outdoor air motorized damper. If you are using a simplied installa-
tion, i.e. connecting the HRV supply air duct to a furnace's return air duct, the HRV must
operate continuously. When the HRV is turned off, no warm exhaust air will ow through
the HRV but the furnace's fan will continue to draw in outdoor air directly into the furnace.
If it's cold outside, cold air will be introduced, without re-heating, directly into the furnace.
If the HRV is installed such that the homeowner may turn off the HRV during the winter, we
recommend installing a motorized damper between the HRV's supply air and the furnace's
return air duct that closes when the HRV is not operating. See wiring diagram (gure 1).
You may also choose to use a Fantech HRV that uses a recirculation defrost that incorpo-
rates an outdoor air damper.
Damper
Motor
24 VAC Transformer
COM
NO
HRV Furnace interlock
See page 17.
24V
120V
Figure 1
*Transformer and Damper motor not included
Stale air to
outside
Fresh air from
outside
1 m (3' 3") min. recommended
Fresh air to
living areas
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Air from inside
* Unit air flow should be balanced while HRV is on "Normal" speed and
furnace blower is running.
Outside
1 m (3' 3") min. recommended
Cold air
return
* Ductwork layout may dif-
fer depending on model
HRV/Furnace ducting for Simplified Installation - Option 2
DIRECT CONNECTION of the HRV SUPPLY AIR STREAM to the SUPPLY AIR SIDE on the
FURNACE & EXHAUST AIR STREAM to the FURNACE COLD AIR RETURN
SIMPLIFIED INSTALLATION (GOOD)
OPTION 2
1. Furnace blower must operate when ventilation from HRV is required. The
furnace should be set to run continuously or interlocked with HRV.
2. Due to the differences in pressure between the HRV and the equipment it is
being connected to, the HRV‘s airflow must be balanced on site, using the
procedure found section "AIRFLOW BALANCING".
Installation examples (Cont'd)
In the case of a simplified
installation, Option 1 is
recommended.
Suggested installation for:
When bathroom and
kitchen already have local
exhaust system
May be suitable for
retrotting
Benets: Least expensive
installation type
Fantech heat recovery ventilators (HRV) that use a supply fan shutdown for frost preven-
tion do not include an outdoor air motorized damper. If you are using a simplied installa-
tion, i.e. connecting the HRV supply air duct to a furnace's return air duct, the HRV must
operate continuously. When the HRV is turned off, no warm exhaust air will ow through
the HRV but the furnace's fan will continue to draw in outdoor air directly into the furnace.
If it's cold outside, cold air will be introduced, without re-heating, directly into the furnace.
If the HRV is installed such that the homeowner may turn off the HRV during the winter, we
recommend installing a motorized damper between the HRV's supply air and the furnace's
return air duct that closes when the HRV is not operating. See wiring diagram (gure 1).
You may also choose to use a Fantech HRV that uses a recirculation defrost that incorpo-
rates an outdoor air damper.
Damper
Motor
24 VAC Transformer
COM
NO
HRV Furnace interlock
See page 17.
24V
120V
Figure 1
*Transformer and Damper motor not included
Fresh air to living areas
Stale air to
outside
Fresh air from
outside
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Exterior ducting installation
Weatherhood Location
Decide where your intake and exhaust hoods will be located.
Locating the Intake Weatherhood
Should be located upstream (if there are prevailing winds) from the
exhaust outlet.
At a minimum of 2m (6’) away from dryer vents and furnace exhaust
(medium or high efficiency furnaces), driveways, oil fill pipes, gas meters,
or garbage containers.
At a minimum height of 460 mm (18’’) above the ground, or above the
level of expected snow accumulation.
At a minimum distance of 1m (3’) from the corner of the building.
Do not locate in the garage, attic, crawl space, or underneath deck.
Locating the Exhaust Weatherhood
At least 460 mm (18") above ground or above the depth of expected snow accumulation
At least 1m (3’) away from the corner of the building
Not near a gas meter, electric meter or a walkway where fog or ice could create a hazard
Do not locate in a garage, workshop or other unheated space
Installing the ducting to the weatherhoods
A well designed and installed ducting system will allow the HRV to operate at its maximum
efficiency. The inner liner of the flexible insulated duct must be secured to the sleeve of the
weatherhood (as close to the outside as possible) and to the appropriate duct connection on the
HRV. The insulation should remain full and not crushed. The outer liner, which acts as a vapor
barrier, must be completely sealed to the outer wall and the HRV using tape and/or caulking. A
good bead of high quality caulking (preferably acoustical sealant) will seal the inner flexible duct to
both the HRV duct connection and the weatherhood prior to securing them.
To minimize airflow restriction, the flexible insulated duct that connects the two outside
weatherhoods to the HRV should be stretched tightly and be as short as possible.
Twisting or folding the duct will severely restrict airflow.
See “Installation Diagram Examples” for installation examples.
1 Using the duct connection of
the outside hood, outline the
intake & exhaust holes to be
cut. The holes should be slightly
larger than the duct connection
to allow for the thickness of the
insulated flexible duct. Cut a
hole for both the intake and
exhaust hoods.
3 Push the hood into the opening
and then attach the hood to the
outside wall with mounting
screws.
Repeat the installation
procedure for both the supply
and exhaust hoods.
2 Pull the insulated flexible duct
through the opening until it is
well extended and straight.
Slide the duct’s inner vinyl sleeve
over the hood duct connection
and secure. Pull the insulation
over the duct and pull the vapor
barrier over the sleeve. Secure
with appropriate tape or
sealant.
4 Using a caulking gun, seal
around both hoods to prevent
any leaks.
Steps for hood installation:
36" (1m)
min.
INTAKE
OUTSIDE CORNER INSIDE CORNER
EXHAUST
18" (460mm) min.
18" (460mm) min.
6' (2m)
min.
36” (1m)
min.
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Interior ducting installation
To maximize airflow through the ductwork system, all ducts should be kept short and have as few bends or elbows as possible.
45º elbows are preferable to 90º.
Use “Y“ ducts instead of “T” ducts whenever possible.
All duct joints must be fastened with screws or duct sealant and wrapped with aluminum foil duct tape to prevent leakage.
Galvanized ducting from the HRV to the living areas in the house is recommended whenever possible, although flexible ducting
can be used in moderation when necessary.
To avoid possible noise transfer through the ductwork system, a short length (approximately 300 mm, 12’’) of nonmetallic flexible
insulated duct should be connected between the HRV and the supply/exhaust ductwork system.
The main supply and return line to/from the HRV must have the same diameter as the duct connection or larger.
Branch lines to the individual rooms may be as small as 100 mm (4’’).
Installing ducting to HRV
For flexible duct installation, slide flexible ducting onto duct connection. Then install a
cable tie over flexible duct to prevent leakage between the ducting and the duct
connection.
In the case of solid ducting, slide duct over duct connection, screw in place and seal.
Supply air grilles location
In homes without a forced air furnace, fresh air should be supplied to all habitable rooms, including bedrooms and living areas. It should be supplied
from high wall or ceiling locations. Grilles that diffuse the air comfortably are recommended. In homes with a forced air furnace, you may want to connect
the HRV to the furnace ductwork (see information below).
Exhaust air grilles location
The stale air exhaust system is used to draw air from the points in the house where the worst air quality problems occur. It is recommended that return
air ducts be installed in the bathroom, kitchen, and laundry room. Additional return air ducts from strategic locations may be installed. The furnace
return duct may also be used to exhaust from. In this method, the exhaust air is not ducted back from bathrooms, kitchens, etc to the HRV with
“dedicated lines”.
Ducting fifth port units(R)
Units SHR1505R, SHR2005R, SHR3005R and SHR3205RD have a 5th port on top and units VHR1405R and VHR2005R have a 5th port on the side.
This duct port is for both the defrost and recirculation modes. A motorized damper installed in the port closes during defrost or recirculation,
temporarily blocking the incoming fresh air-stream, allowing the warm air from the house to circulate through the HRV. You may wish to duct this port
to a common room with clean air (living room or dining room), so when the recirculation mode is activated, household odors from the kitchen, bathroom
or basement won’t be introduced into the living spaces of the home environment.
As per building codes and installation requirements for combustion appliances:
Air return ducts, or openings for air return, should not be placed in enclosed spaces containing combustion
appliances that are subject to spillage.
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Ducting installation examples
Fully dedicated system Partially dedicated system
Simplified installation - Option 1
Simplified installation - Option 2
Bathroom
Fresh Air
Exhaust Air
Central Control - optional
Fresh air to living room
Exhaust CG 4 (4” Adjustable Grill)
FEL 4 (4” Miter Elbow)
460 mm
3m
HRV
Bedrooms
460 mm
Supply
Exhaust
Supply
Exhaust
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HRV installation
Location
The HRV must be located in a conditioned space where it will be possible to conveniently service the unit. Typically
the HRV would be located in the mechanical room or an area close to the outside wall where the weatherhoods will
be mounted. If a basement area is not convenient or does not exist, a utility room may be used.
Attic installations are not normally recommended due to:
The complexity of the installation
Freezing conditions in the attic
Difficulty of access for service and cleaning
No drain access
Connecting appliances to the HRV is not recommended. These include:
Clothes dryer
Range top
Stovetop fan
Central vacuum system
Bathroom exhaust fans unless they are specifically designed for this purpose
These appliances may cause lint, dust or grease to collect in the HRV, damaging the unit.
Mounting
Install the unit close to the
outside wall on which the
supply and exhaust hoods
will be mounted.
Have a nearby power supply
120 Volts, 60Hz. (power
cord is 3 feet long)
Mount the unit as level as
possible in order to allow
proper condensate drainage.
Have access to a water
drain for the condensate of
the unit during defrost.
Have a certain amount
of heat around the unit
(attic installation is not
recommended).
Installations close to the
living space, such as closets,
should be design and to
minimize noise or vibration
transfers.
• Have access for future
maintenance. (10” is
recommended for removal
of core)
Connecting any of
these types of
appliances to the
HRV will void your
warranty.
1 Place fastening hooks on
the strapping board or
the oor joists.
2 Attach a hanging chain
(provided) to each 19 mm
(3/4") bolt (provided) in the
top 4 corners of the unit
and tighten.
4 Hang the unit by slipping
a link onto the hanging
hooks, making sure the
unit is level.
3 Install a spring on each
chan. Hook the spring
in the links so a loop is
created in the chain. The
spring will then support the
unit's weight and absorb
vibrations.
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2 Install the drain hose,
making a “P” trap
1 Install the drain nipple.
Start up procedure
The Switch on the side of the unit is used to toggle between STANDBY, REDUCED speed and NORMAL speed modes.
Place the unit in NORMAL speed to perform the balancing.
Airflow balancing
IF THE UNIT'S AIR FLOWS ARE NOT PROPERLY BALANCED...
THE UNIT'S EFFICIENCY MAY BE REDUCED.
THE UNIT'S CORE MAY BECOME DAMAGED.
NORMAL OPERATION OF THE UNIT COULD CAUSE THE PRESSURIZATION OR DEPRESSURIZATION OF YOUR
HOME, WHICH CAN LEAD TO AIR LEAKS OR BACKDRAFTING OF ANY COMBUSTION APPLIANCES.
The balancing procedure consists of measuring the supply air flow and the return air flow to ensure that they are equal. A difference of up to 10% is
considered acceptable. In the cases where the air flow is not exactly the same, it is recommended to have a higher return air flow to ensure that the
temperature of the supply air flow coming from outside is as close to room temperature as possible.
For optimal performance, HRV unit should be re-balanced after a major renovation or after the
installation of extra grilles or registers.
Installing drain line
Through normal operation and during its defrost mode, the HRV may produce some condensation. This water should flow into a nearby drain, or be taken
away by a condensate pump. The HRV and all condensate lines must be installed in a space where the temperature is maintained above the freezing point.
A “P” trap should be made in the drain line. This will prevent odors from being drawn back up into the unit.
Secure the condensate line to the drain connection using a tie wrap or other appropriate method.
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Airflow balancing (Cont'd)
1 Cut hole in duct and insert flow measuring
station. Make sure that the flow measuring
station’s air direction arrow points in the
direction of the airflow. Secure the flow
measuring station with duct tape.
2 Before taking the reading, make sure that
the magnehelic gauge is level and at 0.
Refer to the flow measuring station’s
chart to determine your unit’s airflow
velocity.
3 Adjust the “Supply Air Out” damper until
you reach the desired velocity. Follow
steps 1-3 to adjust the “Exhaust Air Out”
damper, if needed.
Measure
here
Minimum
457mm
(18")
Measure
here
Minimum
457mm (18")
To avoid airflow turbulence and incorrect
readings, the airflow velocity should be
measured on a section of steel ducting.
Reading should also be taken at a minimum
distance of 457 mm (18") from the unit or
elbow. Measurement should also be made
prior to any transition in the duct work so
entire airflow is measured.
Measuring the airflow using station (grid) method
Adjusting airflows
A damper is integrated into the Fresh Air to Building collar. This damper replaces the installation of a separate
damper into the Fresh Air to Building ducting line.
The damper-collar is pre-set in the fully opened position. If the procedure requires a reduction in airflow to
the fresh air duct, simply turn positioning knob located on the side of the collar clockwise until desired airflow
is obtained. The damper position can be determined by the orientation of the pointers situated on the side of
the damper. The damper is fully open when the pointers are towards the top of the collar (as shown in picture)
and fully closed when they are sideways.
Once procedure is completed, install a piece of tape over positioning knob to avoid any tampering by the home owner.
WARNING! DO NOT TURN POSITIONING KNOB COUNTERCLOCKWISE WHEN DAMPERS ARE FULLY OPENED AS DAMAGE MAY OCCUR
TO THE MECHANISM
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Low voltage control systems
* Please see instruction manuals for individual controls for proper wiring and set up of control systems.
CENTRAL CONTROLSThese control options can only be used individually
CONTROLS FEATURES CONNECT TO
ECO-Touch Our most complete, yet easy to use control system
Sleek design with backlight touchscreen LCD
ECO mode selects the best operating mode and speed for the
season, minimizing energy use associated with ventilation
Set preferred indoor relative humidity range and ventilation
mode for day and night conditions
No battery to replace, all programmed settings are retained
during power outage
Maintenance reminder indicator
Error code messages reduce troubleshooting time
EDF7
MODE button provides 3 modes of operations: Ventilation ,
Recirculation and Standby
User selected fan speed: Reduced, Medium, Normal and
20 minutes per hour
AUTO setting allows the homeowner to deactivate the
dehumidistat
When the humidity exceeds the desired setpoint, the venti-
lation system operates at Normal speed.
Once the desired humidity level is achieved, your ventilation
system resumes to its previous mode of operation
EDF1/1R Press button once for continuous Reduced speed
Press button twice and the unit will cycle 20 minutes ON/
40 minutes OFF and repeat
EDF1 – Press button a third time and the system will run
continuously on HIGH speed
EDF1R – Press button a third time and the system will run
recirculation on HIGH speed
AUXILIARY CONTROL – These controls can be paired
RTS2*
20- minute timer with LED light
Boosts system to high speed with the touch of a button
Up to 5 can be used in one system
Use in bathroom, kitchen, laundry room
RTS3
• Press button once and unit will operate in continuous mode
on HIGH speed for 20 minutes (Green).
• Press button a second time and unit will operate in continu-
ous mode on HIGH speed for 40 minutes (Yellow).
• Press button a third time and unit will operate in continuous
mode on HIGH speed for 60 minutes (Red).
• Press button a fourth time to cancel the timer (LED turns
off).
MDEH1
Rotary dial Dehumidistat
Multiple units can be used
We recommend setting the relative humidity above 80%
during the summer
To avoid window condensation:
It is not necessary to change
the humidity control every
day. Monitor the average
weekly temperature or
experiment with various
settings until you find a level
that is comfortable for you.
Adjust the control when
needed.
A dehumidistat is ideal for
use in energy efficient
houses where indoor
humidity (during the
heating season) is higher
than outdoor levels. High
humidity is a major cause
of structure damage and
IAQ problems such as mold
and mildew.
*Maintain polarity
between control
and HRV
(+ + ; - -)
EDF EDF
EDF EDF
EDF EDF
+T -T
D D
D D
COM
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Electrical connections
SHR1504, 1505R, 2004, 2005R
VHR1404, 1505R, 2004, 2005R
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Electrical connections
SHR3005R
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Electrical connections
SHR3205RD
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W
R
G
C
Y
W
R G
Y
Standard Furnace Interlock Wiring
THERMOSTAT
TERMINALS
FURNACE
24-VOLT
TERMINAL BLOCK
FOUR
WIRE
TWO WIRE
heating only
TWO
WIRE
COOLING SYSTEM
W
R
G
C
Y
W
R G
Y
Alternate Furnace Interlock Wiring
THERMOSTAT
TERMINALS
FURNACE
24-VOLT
TERMINAL BLOCK
FOUR
WIRE
TWO WIRE
heating only
TWO
WIRE
COOLING SYSTEM
WIRE JOINT
Electrical connections (Cont'd)
ELECTRICAL
CONNECTION TO
FURNACE
FOR A FURNACE
CONNECTION TO
A COOLING SYSTEM:
On some older thermostats, energizing
the R and G terminals at the furnace
has the effect of energizing Y at the
thermostat and thereby turning on
the cooling system. If you identify this
type of thermostat, you must use the
“Alternate Furnace Interlock Wiring”.
Standard Accessory Control Contact
Alternative Accessory Control Contact
Never connect a 120 volt AC circuit to the terminals of the Accessory Control Contacts. Only use
the low voltage class 2 circuit of the furnace blower control.
20
fantech
Troubleshooting
Problem Causes Solutions
Air is too dry Dehumidistat control is set too low Increase the desired level of humidity. Change ventilation mode from
continuous mode to standby.
HRV out of balance Have contractor balance HRV airows
Air is too humid Dehumidistat control is set too high Reduce the desired level of humidity. Combine this with the use of continuous
exchange mode.
Sudden change in temperature Wait until outside temperature stabilizes (winter). Heating will also improve
situation.
Storing too much wood for heating Store a majority of your wood outside. Even dried, a cord of wood contains
more than 20 gallons of water.
Dryer vent exhaust is inside home Make sure the dryer vent is exhausting outside.
Poor air circulation near windows Open curtains or blinds.
HRV out of balance Have contractor balance HRV airows
Well sealed basement door is closed Open the door or install a grill on the door.
Failed damper system may be stuck in recirculation
mode
Check defrost damper. If damper is always blocking incoming fresh air, have
contractor verify damper system.
Persistent condensation
on window
Improper adjustment of dehumidistat control Reduce the desired level of humidity. Combine this step with use of continuous
exchange mode.
HRV out of balance Have contractor balance HRV
Poor air circulation near windows Open curtains or blinds.
Poor Air Flows 1/4" (6mm) mesh on the outside hoods is plugged Clean exterior hoods or vents
Filters plugged Remove and clean lter
Core obstructed Remove and clean core
Indoor grilles closed or blocked Check and open grilles
Inadequate power supply at site Have electrician check supply voltage
Ductwork is restricting airow Check duct installation
Improper speed control setting Increase the speed of the HRV (i.e. change unit control from REDUCED to NORMAL
speed)
HRV airow improperly balanced Have contractor balance HRV airows
Ducting has fallen down or been disconnected from HRV Have contractor reconnect ducting
Supply air feels cold Poor location of supply grilles, the airow may irritate
the occupant
Locate the grilles high on the walls or under the baseboards, install ceiling
mounted diffuser or grilles so as not to directly spill the supply air on the
occupant (eg. Over a sofa)
Turn down the HRV supply speed. A small duct heater (1kw) could be used to
temper the supply air
Placement of furniture or closed doors is restricting the movement of air in
the home
Outdoor temperature extremely cold If supply air is ducted into furnace return, the furnace fan may need to run
continuously to distribute ventilation air comfortably
HRV and/or Ducts frosting up HRV air ows are improperly balanced Have HVAC contractor balance the HRV airows
Malfunction of the HRV defrost system Note: minimal frost build-up is expected on cores before unit initiates defrost
cycle functions
Condensation or Ice Build Up in
Insulated Duct to the Outside
Incomplete vapour barrier around insulated duct Tape and seal all joints
A hole or tear in outer duct covering Tape any holes or tears made in the outer duct covering
Ensure that the vapor barrier is completely sealed.
LED is ashing Everything is in good operations
LED is not ashing No Power is being transmitted to the Control Board Make sure unit is plugged.
Transformer may need replacing.
Note: It is best to get the unit checked by a certied HVAC Contractor/Technician.
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Fantech SHR 3005R Guide d'installation

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Cheminées
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Guide d'installation

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