System air Fantech HERO Series User manual

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”.

HERO SERIES

Fresh Air Appliance (HRV)

Installation and Operation Manual

Item #: 428486

Rev Date: 2020-02-18

PARTS IN THE BOX

Heat Recovery Ventilator, 1 pc

Hanging Bracket, 1 pc

Drain Hose Kit, 1 pc

Operation and Installation Manual, 1 pc

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 800.747.1762

Canada 800.565.3548

registration.fantech.app

BE REMINDED OF SUGGESTED

PRODUCT CARE SCHEDULE

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 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.

The MERV8 supply lter provided with the unit is intended for areas that it is required. In most cases the MERV8 supply lter is not

required and it becomes optional at the home owner’s discretion. Installing the MERV8 supply lter or other MERV lter options will affect

the maximum airow of the unit, please refer to product documentation for more information.

Technical data was obtained from published results of test relating to CSA C439 Standards. This data was optained without the use of

the MERV8 supply lter.

TABLE OF CONTENTS

INSTALLATION TYPES

HRV ducting for fully Dedicated System .................................................... 4

HRV/Furnace ducting for Partially Dedicated System.............................................4

HRV/furnace for Simplified Installation ...................................................... 4

INSTALLING THE OUTDOOR VENTS

Recommended Installation .............................................................. 5

Installing the vents ................................................................... 5

DUCT INSTALLATION

Connecting the Ducts to the HRV ......................................................... 6

Supply Air Grilles Location .............................................................. 6

Exhaust Air Grille’s Location ............................................................. 6

Connecting the Drain ...................................................................6

MOUNTING OPTIONS

Wall Mouting Bracket Installation ......................................................... 7

Chain Mount Installation................................................................ 7

WALL CONTROLS ............................................................................8

BALANCING

Entering Balancing Mode ............................................................... 9

Balancing steps ..................................................................... 9

WIRING DIAGRAM ......................................................................... 10

TROUBLESHOOTING .........................................................................13

FILTER LOCATION ...........................................................................14

HRV MAINTENANCE CHART ...................................................................14

PARTS LIST ...............................................................................15

INSTALLATION TYPES

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

1. Stale air is drawn from areas requiring

local exhaust (bathroom, kitchen, laundry

room).

2. Fresh air is distributed to habitable rooms

(bedrooms, living room)

3. The HRV’s airflow must be balanced after

installation using the procedure found in

the section “AIRFLOW BALANCING.”

Suggested 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.

1. The furnace blower is set to run

continuously or interconnected with HRV

for proper fresh air distribution. See

furnace electrical connection on page 12.

2. Stale air is drawn from areas requiring

local exhaust (bathroom, kitchen, laundry

room).

3. Fresh air is supplied to the return air

plenum of the furnace.

4. Due to the difference in pressure, HRV'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

Suggested for:

• Central furnace

• When ducting fresh air to living area is

not possible or practical

Benets:

Conditions the fresh air prior to distributing

it throughout the house

1. The furnace blower is set to run

continuously or interconnected with HRV

for proper fresh air distribution. See

furnace electrical connection on page 12.

2. A minimum separation of 1m (39’’) is

recommended between the two direct

connections.

3. The HRV’s exhaust air connection should be

upstream of the HRV’s supply air

connection to prevent exhausting any fresh

air.

4. Due to the difference in pressure, HRV'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"

Suggested for:

• When bathroom and kitchen already have

local exhaust system

• May be suitable for retrofitting

Benets:

Least expensive installation type

HRV DUCTING FOR FULLY

DEDICATED SYSTEM

HRV/FURNACE DUCTING FOR

PARTIALLY DEDICATED SYSTEM

HRV/FURNACE FOR

SIMPLIFIED INSTALLATION

BEST BETTER GOOD

Make sure the HRV is

capable of meeting the

required airow rate.

INSTALLING THE OUTDOOR VENTS

RECOMMENDED INSTALLATION

INSTALLING THE VENTS

18"

(460mm)

36"

(1m)

(900mm)

min. 36"

(1m)

Intake

• Should be located upstream of prevailing

winds from exhaust

• At a minimum of 900 mm (3') away from

dryer vents and furnace exhaust (medium

or high efficiency furnaces), driveways, oil

fill pipes, gas meters, or garbage

containers.

• Do not locate in the garage, attic, crawl

space, or underneath deck.

Locating the Exhaust Weatherhood

• 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

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 hood

(as close to the outside as possible) and to

the appropriate duct connection on the HRV.

• The insulation should remain full and not

crushed.

1. Cut hole between wall studs 3. Secure vent with proper screws

4. Seal using outdoor rated caulking 5. Attach insulated duct from inside and tape

2. Insert vent

• 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 hood 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.

DUCT INSTALLATION

CONNECTING THE DUCTS TO THE HRV

STALE AIR

FROM HOME

EXHAUST TO

OUTDOOR HOOD FRESH AIR

TO HOME

FRESH OUTDOOR

AIR INTAKE • 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.

• To reduce noise a short length

(approximately 300mm, 12’’) of

nonmetallic exible 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 100mm (4’’).

INSTALLING DUCT TO HRV

Flexible Duct: Slide exible ducting onto duct connection and afx with cable tie.

Solid Ducting: slide duct over duct connection, screw in place and seal.

SUPPLY AIR GRILLES LOCATION

Without a forced air furnace: fresh air should be supplied to all habitable rooms

from high wall or ceiling locations. Grilles that diffuse the air comfortably are

recommended.

With a forced air furnace: Connect to the furnace ductwork.

EXHAUST AIR GRILLE’S LOCATION

Draw stale air from the points where the worst air quality problems occur: 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.

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.

Install the drain hose making a

"P" trap, secure the condensate

line drain to HRV by sliding into

connection. Fill the condensate line

with water.

INSTALLING

THE DRAIN

Do not handle unit by

the collars / collar

openings to avoid

damaging the collars

& foam insulation.

MOUNTING OPTIONS

LOCATION

• Must be located in a conditioned space

where it will be possible to conveniently

service the unit.

• Typically located close to the outside wall

where the hoods will be mounted.

• A utility room when basement is not

possible.

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 attic is easily accessible for

equipment maintenance and inspection.

WALL MOUTING BRACKET INSTALLATION

CHAIN MOUNT INSTALLATION - OPTIONAL

* Hanging kit not included.

When wall mount bracket is not

convenient. Use a chain kit (which includes

hanging chains, 10-24 screws, spring, and

hooks)

Install a spring on each chain as shown

to support the unit's weight and absorb

vibrations.

Safety screws

(included)

16” (406mm)

DO NOT

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

specically designed for this purpose

• These appliances may cause lint, dust or

grease to collect in the HRV, damaging

the unit.

Connecting any of these

types of appliances to

the HRV will void your

warranty.

WALL CONTROLS

AUXILIARY CONTROL –These controls can be paired with central controls or combined together.

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

RTS5 • 20/40/60 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

MDEH1 • Rotary dial Dehumidistat

• Multiple units can be used

• We recommend setting the relative humidity above 80% during the summer

* Please see instruction manuals for individual controls for proper wiring and set up of control systems.

CENTRAL CONTROLS

These cannot be used with another central control

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

outages

• Maintenance reminder indicator

• Error code messages reduce troubleshooting time

EDF7 • MODE button provides 3 modes of operations: Ventilation , Recircula-

tion 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 ventilation sys-

tem operates at normal speed

• Once the desired humidity level is achieved, your ventilation system

resumes to its previous mode of operation.

EDF1 / EDF1R • 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.

1. Ensure that unit is not

plugged when connecting

the control

2. Recirculation mode is only

available with the “R” sufx

at the end of the model

number.

The wiring connectors

can be removed for

easier connection.

*Maintain polarity

between control

and HRV

(+ →+ ; - →-)

-T

BALANCING

Balancing must be completed using the Fantech ECO-Touch®Programmable Touch Screen Wall Control

ENTERING BALANCING

MODE

In the options menu during

the initial 5 second countdown

sequence, long press on "ECO"

area for 5 seconds to enter

basic balancing mode.

The supply and exhaust fans are

adjusted on high speed only and

the offsets are proportionally

applied to the medium and low

speed automatically.

AUTO MANUAL

OPTIONS

AUTO MANUAL

OPTIONS

Supply

manometer

High

Low Low Exhaust

manometer

STAGE 1

(ADJUST LEVEL OF EXHAUST FAN IN HIGH SPEED):

• In this step, balance exhaust fan and measure airow on the

exhaust air side

• Pressing on "up" or "down" will adjust the fan speed in increments

of 1%.

• Once the desired exhaust airow is reached, press on "next" and

move on to the next stage.

STAGE 2

(BALANCE SUPPLY FAN ONLY IN HIGH SPEED):

• In this step, balance supply fan and measure airow on the supply

air side

• Pressing on "up" or "down" will adjust the fan speed in increments

of 1%.

• Once happy with the outcome, press on "next" to complete

balancing

• The supply and exhaust offset values will be proportionally applied

to low and medium speed as well.

AUTO MANUAL

OPTIONS

0 %

ADJUST

AUTO MANUAL

OPTIONS

0 %

BALANCE

WIRING DIAGRAM - HERO 120H, 150H, 200H

LOW SPEEDS

90V75V

J4J5J6

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