System air Fantech SER200 User manual

Installation and Operation Manual

SER200

Energy Recovery Ventilators

Item #: 445506

Rev Date: 2020-10-28

Your ventilation system should be installed in conformance with the appropriate provincial/state 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

PARTS IN THE BOX

Energy Recovery Ventilator, 1 pc

Hanging Chain Kit, 1 pc

Hardware Kit, 1 pc

Drain Hose Kit, 1 pc

Operation and Installation Manual, 1 pc

Note Warning/

Important

note

Information Technical

information

Practical tip

PLEASE READ AND SAVE THESE INSTRUCTIONS

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 ENERGY Recovery Ventilator using the balancing procedure found in this manual.

It is always important to assess how the operation of any ERV 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.

TABLE OF CONTENTS

DETERMINING YOUR AIRFLOW REQUIREMENT ..................................................... 4

INSTALLATION EXAMPLES

Fully dedicated system ................................................................ 5

Partially dedicated system .............................................................. 6

Simplified Installation ................................................................. 7

EXTERIOR DUCTING INSTALLATION

Weatherhood Location ................................................................. 8

Installing the ducting to the weatherhood ................................................... 8

INTERIOR DUCTING INSTALLATION

General Tips ........................................................................ 9

Installing duct to ERV ................................................................. 9

Supply & Exhaust Air Grilles Location....................................................... 9

ERV INSTALLATION ........................................................................ 10

AIRFLOW ADJUSTMENT & BALANCING

Start up procedure ...................................................................11

Airflow balancing .....................................................................11

LOW VOLTAGE CONTROL SYSTEMS ............................................................. 13

WIRING DIAGRAM ......................................................................... 15

TROUBLESHOOTING .........................................................................17

ERV MAINTENANCE CHART....................................................................18

ERV CORE WASHING INSTRUCTION..............................................................19

PARTS LIST ...............................................................................20

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

1 2 3 4 5

Ft2m2CFM L/s CFM L/s CFM L/s CFM L/s CFM L/s

<500 <47 30 128 38 18 45 21 53 25 60 28

501-1000 47-93 45 21 53 24 60 28 68 31 75 35

1001-1500 94-139 60 28 68 31 75 35 83 38 90 42

1501-2000 140-186 75 35 83 38 90 42 98 45 105 49

2001-2500 187-232 90 42 98 45 105 49 113 52 120 56

2501-3000 233-279 105 49 113 52 120 56 128 59 135 63

3001-3500 280-325 120 56 128 59 135 63 143 66 150 70

3501-4000 326-372 135 63 143 66 150 70 158 73 165 77

4001-4500 373-418 150 70 158 73 165 77 173 80 180 84

4501-5000 419-465 165 77 173 80 180 84 188 87 195 91

* ASHRAE 62.2-2016 Table 4.1, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings.

Bathroom: If the ERV 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.

ERV ducting for fully Dedicated System

INSTALLATION EXAMPLES

Example only – duct configuration may differ depending on the model.

FULLY DEDICATED SYSTEM

BEST FOR NEW CONSTRUCTION

1. Stale air is drawn from key areas of the home requiring local exhaust

(bathroom, kitchen, laundry room).

2. Fresh air is distributed directly to habitable rooms in the house

(bedrooms, living room)

3. The ERV’s airflow must be balanced after installation using the procedure

found in the 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 ERV 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

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. In order to provide proper distribution of the fresh air, it is

recommended that the furnace blower be set to run continuously or

interconnected with ERV. See furnace electrical connection on page

16.

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 ERV and the equipment

it is being connected to the ERV’s airflow must be balanced on site,

using the procedure found in the section “AIRFLOW BALANCING”

* In the case of a multi-zone system, please contact Fantech customer

service prior to installing any installation type requiring the use of the

furnace interlock"

ERV/Furnace ducting for Partially Dedicated System

Air from inside

* Unit air flow should be balanced while ERV 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

Stale air to

outside

Fresh air from

outside

Fresh air to

living areas

Fantech energy recovery ventilators (ERV) 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 instal-

lation, i.e. connecting the ERV supply air duct to a furnace's return air duct, the ERV must

operate continuously. When the ERV is turned off, no warm exhaust air will ow through

the ERV 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 ERV is installed such that the homeowner may turn off the ERV during the winter, we

recommend installing a motorized damper between the ERV's supply air and the furnace's

return air duct that closes when the ERV is not operating. See wiring diagram (gure 1).

You may also choose to use a Fantech ERV that uses a recirculation defrost that incorpo-

rates an outdoor air damper.

Damper

Motor

24 VAC Transformer

COM NO

ERV Furnace interlock

See page 16.

24V

120V

Figure 1

*Transformer and Damper motor not included

Make sure the ERV is

capable of meeting the

required airow rate.

Motorized

damper

INSTALLATION EXAMPLES (CONT'D)

DIRECT CONNECTION of both the ERV SUPPLY AIR STREAM and EXHAUST AIR STREAM

to the FURNACE COLD AIR RETURN

SIMPLIFIED INSTALLATION

(GOOD)

(RETURN/RETURN METHOD)

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 ERV is required. The furnace should

be set to run continuously or interlocked with ERV. See furnace electrical connection

on page 16.

2. A minimum separation of 1m (39’’) is recommended between the two direct

connections.

3. In order to prevent exhausting any fresh air, the ERV’s exhaust air connection should be

upstream of the ERV’s supply air connection when ducting to the furnace’s cold air return.

4. Due to the difference in pressure between the ERV and the equipment it is being

connected to the ERV’s airflow must be balanced on site, using the procedure found in the

section “AIRFLOW BALANCING”

* In the case of a multi-zone system, please contact Fantech customer

service prior to installing any installation type requiring the use of the

furnace interlock"

Air from inside

* Unit air flow should be balanced while ERV 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

ERV/Furnace ducting for Simplified Installation - Option 1

Stale air to

outside

Fresh air from

outside

Fresh air to

living areas

Fantech energy recovery ventilators (ERV) 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 instal-

lation, i.e. connecting the ERV supply air duct to a furnace's return air duct, the ERV must

operate continuously. When the ERV is turned off, no warm exhaust air will ow through

the ERV 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 ERV is installed such that the homeowner may turn off the ERV 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 ERV is not operating. See wiring diagram (gure 1).

You may also choose to use a Fantech ERV that uses a recirculation defrost that incorpo-

rates an outdoor air damper.

Damper

Motor

24 VAC Transformer

COM NO

HRV Furnace interlock

See page 16.

24V

120V

Figure 1

*Transformer and Damper motor not included

Motorized

damper

1 m (3' 3")

min.

recommended

Air return

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 distance to 900 mm (3') 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 460mm (18’’) above the ground, or above the level

of expected snow accumulation.

• Ideally, keep weatherhoods 1m (3') from corners.

• Do not locate in the garage, attic, crawl space, or underneath deck.

Locating the Exhaust Weatherhood

• At least 460mm (18") above ground or above the depth of expected snow accumulation

• Ideally, keep weatherhoods 1m (3') from corners.

• 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 ERV 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 ERV. 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 ERV

using tape and/or caulking. A good bead of high quality caulking (preferably acoustical

sealant) will seal the inner flexible duct to both the ERV 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 ERV 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.

1Using 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.

2Pull 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.

4Using a caulking gun, seal

around both hoods to prevent

any leaks.

STEPS FOR HOOD INSTALLATION:

36" (1m)

INTAKE

OUTSIDE CORNER INSIDE CORNER

EXHAUST

18" (460mm) 18" (460mm)

3' (900mm)

min.

36” (1m)

REQUIRES A WEATHERHOOD

WITH A BACKDRAFT

DAMPER ON THE EXHAUST

SIDE.

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 ERV 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 ERV and the supply/exhaust ductwork system.

• The main supply and return line to/from the ERV 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 ERV

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 ERV 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 ERV with

“dedicated lines”.

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.

ERV INSTALLATION

LOCATION

The ERV must be located in a conditioned space where it will be possible to conveniently service the unit. Typically

the ERV 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 installation must meet the following conditions:

• Attic temperature must be above freezing conditions at all times and for best performance should be 12°C

(54 °F).

• The condensate drain (if included) must be installed so that the condensate drains and is protected from freezing.

• The attic is easily accessible for equipment maintenance and inspection.

Connecting appliances to the ERV 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 ERV, damaging the unit.

Connecting any of these types of appliances to the

ERV will void your warranty.

Mounting- Chain mount

• Have a nearby power supply

(120 volts, 60Hz)

• Choose a location which

allows the possibility

of mounting the unit to

supporting beams.

• The unit should be level

in order to allow proper

condensate drainage

• To minimize noise, do not

install unit in living area

• Ensure proper drainage

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.

3 Hang the unit by slipping

a link onto the hanging

hooks, making sure the

unit is level.

4 Install a spring on each

chain. 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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