Fantech VHR 2004 Operating instructions

Brand: Fantech

Model: VHR 2004

Category: Split-system air conditioners

Type: Operating instructions

This manual is also suitable for

SHR 1504 • SHR 1505 R(D) • SHR 2004 • SHR 2005 R(D) • SHR 3005 R • SHR 3205RD

VHR 1404 • VHR 1405 R • VHR 2004 • VHR 2005 R • VHR 704

*Leave with Homeowner

Heat Recovery Ventilator Operation Manual

For use with Models

What Are HRVs ?

To understand these products and

their functions, here are a few things

to remember.

Heat Recovery Ventilators (HRVs)

are recommended for colder areas of the coun-

try that have longer heating seasons as well as

drier desert areas of the South.

Heat Recovery Ventilators are complete whole

house ventilation systems that incorporate a

supply fan and an exhaust fan in one unit. The

supply fan draws fresh air in from the outside

and the exhaust fan pushes stale contaminat-

ed air out. The two air streams are separated

by a heat recovery core which tempers the air, making it the most comfortable solution for a

healthy indoor environment.

For information on how these units can help you save energy and lower heating or cooling costs,

read “How Do They Work?”.

Heat Recovery Ventilators (HRVs)

An HRV is designed to be a cost-effective and reliable

way to bring a continuous supply of fresh air into a

home while exhausting an equal amount of contaminat-

ed air. If it is properly maintained, an HVR can meet a

home's total ventilation requirements by itself. HRVs

use what is called a “sensible” heat recovery core. This

special aluminum core transfers heat from the exhaust

air stream to the incoming air stream. Fresh incoming

air is tempered by the heat that is transferred from the

outgoing air so you save on energy costs. Fantech

HRVs are equipped with automatic defrost mechanisms

so even if you live in the coldest climates, you can use

your HRV all year long.

FRESH AIR

FROM OUTSIDE

EXHAUST AIR

TO OUTSIDE

EXHAUST AIR

FROM INSIDE

FRESH AIR

TO INSIDE

Port Configurations

Five Port Models feature motorized damper for recir-

culation mode and defrost. Positive shut off of supply

port when unit is in standby.

Four Port Models provide constant ventilation even in

defrost mode without the need for additional parts.

An exhaust only (fan shut down) defrost strategy is an

effective method at an affordable price.

Example 1:

VH R14 04 =

Vertical Ports

Heat Recovery Ventilator

Remote Controls

VH R14 04

CFM # PORTS

Example 2:

SH R20 04 =

S ide Ports

Heat Recovery Ventilator

Remote Controls

SH R20 04

CFM # PORTS

Understanding Fantech Model

Numbers

How Do They Work?

OPERATION

Winter:

Humidity control is very important during the winter months. This is when problems will

be most apparent since condensation on the windows will often occur. The colder the

outside temperature, the greater the risk of condensation in the home. The average relative

humidity should be maintained between 30-60% to avoid condensation. Low speed con-

tinuous ventilation with high speed override is recommended.

A Heat Recovery Ventilator (HRV) is designed to bring fresh air into a building while exhausting an equal amount of stale air. During

the winter months, the incoming cold fresh air is warmed by utilizing the heat recovered from the stale air before it is exhausted to

the outdoors. During summer months when the indoor space is air conditioned, the HRV will help in cooling the incoming fresh air

using the stale air that is being exhausted.

Fantech HRVs are designed to run continously or intermittently, giving the homeowner complete control over their air quality.

Continuous low speed ventilation is recommended, which will help eliminate carbon dioxide, VOCs and other gases as well as freshen

up the home. Intermittent high speed ventilation can be obtained through a variety of optional remote controls found in this manual.

Below are some examples of seasonal operation of an HRV.

NOTE: Some products may not be exactly as illustrated in the Operation Manual.

Fantech Inc. 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.

Fall:

Rain and rapid temperature changes make it difficult to control the internal humidity level

and may result in condensation on the windows. A remote dehumidistat may help give

greater control over the inside environment.

Summer:

The air is sometimes hot and humid. To stop the warm humid air from entering, set the

dehumidistat at its highest level. If the EDF5 controller is installed, the air exchanger can

be set to cycle the unit on and off as desired from that wall control. However, continuous

ventilation is recommended.

Spring:

Temperatures are more moderate and become warmer each day. To keep the humidity and

temperature uniform, set the dehumidistat higher (if installed). You may also switch the

HRV to standby mode if desired.

MODES OF OPERATION

1. Continuous Ventilation Mode

In this mode of operation, both fans are operating and exchang-

ing air with the outside. The heat recovery ventilator (HRV)

constantly exchanges the air at the rate you select, either at

low or medium speed, and switches to high speed when acti-

vated by an optional remote control. The "Low" and "Med" fan

speed selection will cause the unit to operate in continuous

exchange mode at an exchange rate of 35% and 50% maximum

airflow rating respectively. Continuous mode is recommended,

since pollutants are slowly but constantly being generated in

your house.

The switch on the side of the unit is used to toggle between STANDBY, LOW speed and MEDIUM speed modes.

In order to activate HIGH speed, a jumper must be placed between the DEHUM + and DEHUM - contacts.

* no exchange of air

Air from

Outside

Air to

House

Air from

House

Air to

Outside

4. Defrost/Fan shutdown (4 port models)

The automatic defrost cycle for SHR/VHR models of HRVs con-

sists of a fan shutdown. When the supply air stream tempera-

ture goes below -5°C (23°F), the supply fan shuts down and the

exhaust fan goes into "High" speed. Ambient air is passed

through the unit for a period of 5 minutes. The supply fan will

then re-start and run at the presetspeed. The exhaust fan will

also slow down to the preset speed, and the unit will operate in

the run cycle for 25 minutes. This fan shutdown defrost cycle

continues until the supply air

stream rises above 0°C (32°F).

3.Defrost/Recirculation Mode (5 port “R” models)

The automatic defrost cycle for SHR R(D) / VHR R models of

HRVs consists of a damper defrost which allows air to recircu-

late throughout the unit & home. When the supply air stream

temperature goes below -5°C (23°F), the exhaust fan shuts

down, the supply fan goes to "High" speed, and a damper

closes the supply, opening a 5th collar. The ambient air is then

recirculated through the unit & home for a period of 5 minutes.

The unit will then resume normal operation for a time period of

25 minutes. This damper defrost cycle continues until the sup-

ply air stream rises above 0°C (32°F). The recirculation feature

can be obtained with the use of an optional EDF5 control.

2. Intermittent / Standby Mode (SHR(D) / VHR Series of HRVs)

The system is always on standby and operates at high speed

when activated by an optional remote control. "Standby" should

be selected if the user wishes to stop the unit from continuous

exchange. We recommend that the "Standby" mode only be used

if your system is equipped with an optional external control, in

which case, the unit would activate to "High" fan speed, until the

control is satisfied and then return to "Standby" (off).

Air from

House

Air to

House

Air to

Outside

Air from

House

OPTIONAL REMOTE CONTROLS

RTS2 - The 20-minute remote timer is typically installed in areas where

contaminated such as moisture and odors, are produced. Simply push the

button and the HRV will activate to high speed for 20 minutes. Up to 5

electronic timers can be installed throughout the building at a distance of up to

500 feet (152 meters) from the HRV.

MDEH2 - The wall-mounted MDEH2 offers the same features of the MDEH1 plus

additional off/on control for the HRV. Dial illuminates when in override mode.

RTS3 - The RTS3 is designed to provide an intermittent boost to the Heat recovery

ventilator. Pressing the fan control button will energize the HRV system into high

speed from a low or standby mode. The ventilator can be set to continue on high for

20, 40, or 60 minutes by pressing the control button one, two or three times,

respectively. Pressing the button a fourth time will cancel the timing function.

EDF1 - The EDF1 is designed to provide 3 modes of operation to the Heat recovery

ventilator. Pressing the “Push” button once initiates the unit to run at a continuous

low speed of operation (green). Pressing the button twice allows the ventilator to

run for 20 minutes and then turns off for 40 minutes (yellow). Touch the button a

third time and the system will run continuously on high (red). The ventilation system

will stay on the last function selected until it is changed.

MDEH1 - The wall mount dehumidistat monitors the humidity level in the area

it is installed. When the humidity level rises above the desired set-point, the

HRV will activate to high speed/override mode. Once the humidity level returns

to desired condition, the unit will return to the normal mode.

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.

PRACTICAL

TIPS

* All controls are low voltage. 18 to 24

gauge wire is recommended.

NOTE:

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.

2 wire

installation

4 wire

installation

3 wire

installation

2 wire

installation

2 wire

installation

EDF5

MULTI-FUNCTION

WALL CONTROL

Control multiple func-

tions of your HRV with

one slimline wall con-

trol. Two wire connec-

tion simplifies installa-

tion. Use one EDF5 per

HRV installed.

OVERRIDE SPEED

CONTROL

Push to select

override speed of

unit.

CYCLE CONTROL

Set unit to cycle on

15, 20, or 30 min-

utes every hour

MODE SPEED

Set Unit to Low,

Medium or High

Speed

OVERRIDE TIMER

When pressed, unit

will provide high

speed ventilation

for one 15,

30 or 60 minute

period.

DIGITAL DISPLAY

Shows Indoor Humidity Level

This control will not read

below 29% RH

DEHUMIDISTAT CONTROL

(see description on top of this page)

MAINTENANCE LIGHT

Light comes on when

it’s time to clean

unit.

POWER

On/Off and Reset

MODES

Select Intermittent,

Recirculation or

Continuous

Ventilation Modes

NOTE:

When an Intellitek control

is installed, the rocker

switch located on the right

hand side of the HRV will

be automatically

deactivated giving the user

complete control from

wherever he/she wishes to

mount the control pad.

NOTE:

The override speed cannot

be set at a fan speed lower

or equal to the normal

operating fan speed. For

example, if the unit is

normally operating at a

medium fan speed, the

override fan speed will be

automatically set to high.

NOTE:

EDF5 model, changing the

override speed will change

default override speed for

other external controls.

EXAMPLES:

If, on the EDF5 control, you

have set the override

control at medium, and

you start an external

remote control (i.e. RTS2),

the unit will run at medium

speed for 20 min.

PRACTICAL

TIPS

4 1/2"

(114 mm)

Width = 4 1/2" (110mm)

Height = 5 1/8" (130mm)

Thickness = 5/8" (15mm)

5 1/8"

(130 mm)

MAINTENANCE

The filters (2) need to be checked and cleaned every

three months or when they appear dirty. Wash in warm

sudsy water (mild detergent). The filters should be

replaced when they can no longer be cleaned properly.

NOTE:

• To prevent electrical shock, check that the

unit is unplugged before performing any

repairs or maintenance.

• A yearly inspection is recommended to

ensure the efficiency and trouble-free use

of your system. Run through the system

and verify the different operating modes.

Heat Recovery Core

Filters

The fan - The fan are factory balanced and lubricated for life. They

require no maintenance.

The unit - The inside of the unit should be vacuumed yearly. Be careful not

to damage any of the mechanical components and electrical connections.

The drain pan and drain line - Units with drain lines should have their

line and connection checked regularly.

Outside hoods - The outside hoods need to be checked every season to

make sure there are no leaves or insects blocking the airflow. Check

regularly that there are no pollutants near the intake hood. Make sure

they are clear of any snow accumulation during the winter months.

Clean Core and Filters Every 3-6 Months. Unplug unit before performing any

repairs or maintenance

a) Open access door.

b) Carefully grip ends of core and pull evenly outward. Core may be snug,

but will slide out of the channel.

c) Once removed from the cabinet, remove filters.

d) Wash core in warm soapy water (do not use dishwasher).

To Install Clean Core and Filters.

a) First, insert the bottom flange of the core guide into the bot-

tom channel approximately 6mm (1/4").

b) Insert the left or right side flange of the core guide approxi-

mately 6mm (1/4"), followed by the other side.

c) Insert the top flange of the core guide into the top channel

approximately 6mm (1/4").

d) With all four corners in place and the core straight and even,

push hard in the center of the core until the core stops at

the back of the cabinet.

CAUTION MAKE SURE UNIT IS UNPLUGGED BEFORE ATTEMPTING ANY MAINTENANCE WORK

The following components should be inspected regularly and well maintained.

The heat recovery core needs to be checked and cleaned every six months. The core can be cleaned using a mild soap and water. Rinse thoroughly.

Handle with care. Hot water and a strong detergent will damage the heat recovery core. It is recommended to clean the core in the summer or when

the temperature is mild. Never clean the heat recovery core during winter.

Filters need to be checked regularly

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 airﬂows

Air is too humid – Dehumidistat control is set too high – Reduce the desired level of humidity. Combine this with the use of continu-

ous 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 airﬂows

– 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 ﬁlter

– 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 airﬂow – Check duct installation

– Improper speed control setting – Increase the speed of the HRV (i.e. change unit control from LOW to MED speed)

– HRV airﬂow improperly balanced – Have contractor balance HRV airﬂows

– Ducting has fallen down or been disconnected from HRV – Have contractor reconnect ducting

Supply air feels cold – Poor location of supply grilles, the airﬂow 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 ﬂows are improperly balanced – Have HVAC contractor balance the HRV airﬂows

– 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 vapor 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.

Green LED Light Codes on

Control Board

Constant Flash – Everything is in good operations

Light is ON, and not Flashing – Control Board is defective – Replace Control Board

Light is OFF, and not Flashing – 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 certiﬁed HVAC Contractor/Technician.

Date Maintenance PerformedMaintenance Required Recommended Frequency

Fantech, reserves the right to modify, at any time and without notice,

any or all of its products’ features, designs, components and specifi-

cations to maintain their technological leadership position.

Item #:403704

Rev Date: 042710

United States

10048 Industrial Blvd.

Lenexa, KS 66215

Phone: 800-747-1762; 913-752-6000

Fax: 800-487-9915; 913-752-6466

www.fantech.net; [email protected]

Canada

50 Kanalflakt Way,

Bouctouche, NB E4S 3M5

Phone: 800.565.3548; 506.743.9500

Fax: 877.747.8116; 506.743.9600

www.fantech.net; [email protected]

The Best

Limited Warranty

in the Business

• The heat recovery aluminum core has a

limited lifetime warranty.

• The fans found in all Fantech HRVs require

no lubrication, and are factory balanced to

prevent vibration and promote silent

operation.

• The limited warranty covers normal use.

It does not apply to any defects,

malfunctions or failures as a result of

improper installation, abuse, mishandling,

misapplication, fortuitous occurrence or

any other circumstances outside

Fantech’s control.

• Inappropriate installation or

maintenance may result in the

cancellation of the warranty.

• Any unauthorized work will result in

the cancellation of the warranty.

• Fantech is not responsible for any

incidental or consequential damages

incurred in the use of the ventilation

system.

• Fantech is not responsible for providing

an authorized service centre near the

purchaser or in the general area.

• Fantech reserves the right to supply

refurbished parts as replacements.

• Transportation, removal and installation

fees are the responsibility of the purchaser.

• The purchaser is responsible to adhering

to all codes in effect in his area.

• The warranty is limited to 5 years on

parts and 7 years on fans from the date

of purchase, including parts replaced

during this time period. If there is no

proof of purchase available, the date

associated with the serial number will be

used for the beginning of the warranty

period.

* This warranty is the exclusive and only

warranty in effect relative to the ventilation

system and all other warranties either

expressed or implied are invalid.

Check and Clean Filters Every 3 months or if dirty

Check Heat Recovery Core Every 6 months

Check Drain Pan and Lines Every 3 months

Vacuum the Inside of the

Unit

Annually

Clean and Un-block Outside

Hoods

Annually

Clean and Inspect Duct

Work

Annually

General Servicing by a

Qualified Contractor

Annually

HRV MAINTENANCE CHART

* Schedule may be altered to meet your own needs. More frequent servicing may be required depending on

the severity of your home's indoor and outdoor environments.

Contractor Telephone Number Date Serviced

SHR & VHR Models

SHR 1504 • SHR 1505 R • SHR 2004 • SHR 2005 R • SHR 3005 R • SHR 3205RD

VHR 1404 • VHR 1405 R • VHR 2004 • VHR 2005 R

Your ventilation system should be installed in conformance with the appropriate provincial or 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”.

IMPORTANT - PLEASE READ THIS MANUAL

BEFORE INSTALLING UNIT

CAUTION - 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 confirmed by measuring the airflow 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 com-

bustion equipment (i.e. Gas Furnaces, Oil Furnaces, Wood Stoves, etc.).

NEVER - install a ventilator in a situation where its normal operation, lack of operation or par-

tial failure may result in the backdrafting or improper functioning of vented combustion equipment!!!

SHR & VHR Series

Heat Recovery Ventilator

Installation Manual

TABLE OF CONTENTS

DETERMINING YOUR AIRFLOW REQUIREMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

TECHNICAL DATA

SHR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

VHR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

HRV INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

EXTERIOR DUCTING INSTALLATION

Weatherhood Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Installing the ducting to the weatherhoods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

INTERIOR DUCTING INSTALLATION

General Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Installing duct to HRV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Supply & Exhaust Air Grilles Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Ducting 5th port units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

INSTALLATION EXAMPLES

Fully dedicated system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Partially dedicated system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Simplified Installation - Option 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Simplified Installation - Option 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

START UP PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

AIRFLOW BALANCING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Adjusting Airflows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Measuring the airflow using station (grid) method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

LOW VOLTAGE CONTROL SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

HRV MAINTENANCE CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Example for maximum airflow normally required.

HRVs are typically sized to ventilate the whole house at a minimum of 0.35 air changes per hour.

To calculate, simply take the square footage of the house (including basement) and multiply by the

height of the ceiling to get the cubic volume. Then, divide by 60 and multiply by 0.35.

Example: SQFT of House 1100

Basement 1100

Total SQFT 2200

Height of ceiling x 8

Cubic volume 17600

Minutes per hour / 60

Maximum airflow required (CFM) 293

Minimum air changes per hour x 0.35

Minimum airflow required (CFM) 103

* Always consult your local building codes for sizing requirements in your area.

i.e. Local building codes may require more or less air change per hour.

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 = 0.47189 L/s

1 L/s = 3.6 m

/hr

Alternate Method

DETERMINING YOUR AIRFLOW REQUIREMENT

Power

• Volts 120 VAC

• Amperage

SHR 1504/1505R 1.3 Amps

SHR 2004/2005R 2.1 Amps

SHR 3005R 2.8 Amps

SHR 3205RD 2.5 Amps

• Single Phase

B C D

Dimensions Airflow Path

SHR1504

SHR1505R

280

133

154

320

SHR 3205RD

Fresh Air

From Outside

Stale Air

To Outside

Fresh Air

To Inside

Stale Air

From Inside

3 ft, 3 prong

Power Cord

1/2

Drain

SHR 1504, SHR 1505R, SHR 2004, SHR 2005R, SHR 3005R & SHR 3205RD

Heat Recovery Ventilators

Fan Performance Performance Data

SHR 3005R Unit is larger to accommodate 2 heat recovery cores. Electrical box is inside cabinet.

Measurements

SHR 1504 SHR 1505 SHR 2004 SHR 2005R SHR 3005R SHR 3205RD

A 56mm (2

") 56mm (2

B 596mm (23

") 596mm (23

") 707mm (27

") 1292mm (50

") 707mm (27

C 67mm (2

") 67mm (2

") 56mm (2

") 71mm (2

D 441mm (17

") 441mm (17

") 638mm (25

E 413mm (16

") 441mm (17

") 520mm (20

") 562mm (22

") 520mm (20

F 152mm (6") 152mm (6") 152mm (6") 152mm (6") 152mm (6") 203mm (8")

Apparent

Sensible

Effectiveness at

-25°C (-13°F)

Apparent

Sensible

Effectiveness at

0°C (32°F)

Power

Consumed

Watts

at 0°C (32°F)

Model

SHR 1504 73% @31 L/s (65 CFM) 77% @32 L/s (68 CFM) 72 @31 L/s (65 CFM)

SHR 1505R 73% @31 L/s (65 CFM) 77% @32 L/s (68 CFM) 72 @31 L/s (65 CFM)

SHR 2004 77% @31 L/s (65 CFM) 79% @61 L/s (129 CFM)

108 @31 L/s (65 CFM)

SHR 2005R 77% @31 L/s (65 CFM) 81% @59 L/s (126 CFM)

108 @31 L/s (65 CFM)

SHR 3005R 92% @55 L/s (117 CFM) 91% @57 L/s (121 CFM)

212 @55 L/s (117 CFM)

SHR 3205RD 77% @56 L/s (118 CFM) 79% @58 L/s (123 CFM)

136 @56 L/s (118 CFM)

TECHNICAL DATA

NOTE: Some products may not be exactly as illustrated in the Installation Manual.

Fantech Inc. 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.

wolfriAsnoisnemiD

VHR1405R

0.2

0.4

0.6

0.8

1.2

100

150

200

250

300

400 80 120 160

Airﬂow (cfm)

AirFlow (L/s)

Static Pressure (in WC)

200 240

190 38 57 76 94 114

VHR2004

VHR2005R

VHR 1404

Optional recirculation

duct collar (provided)

with VHR 1405R

& VHR 2005R only

3 ft, 3 prong

Power Cord

1/2

Drain

ecnamrofreP naF

VHR1405R

0.2

0.4

0.6

0.8

1.2

100

150

200

250

300

400 80 120 160

Airﬂow (cfm)

AirFlow (L/s)

Static Pressure (in WC)

200 240

190 38 57 76 94 114

VHR2004

VHR2005R

VHR 1404

VHR704

ecnamrofreP naF

wolfriAsnoisnemiD

VHR1405R

0.2

0.4

0.6

0.8

1.2

100

150

200

250

300

400 80 120 160

Airﬂow (cfm)

AirFlow (L/s)

Static Pressure (in WC)

200 240

190 38 57 76 94 114

VHR2004

VHR2005R

VHR 1404

Optional recirculation

duct collar (provided)

with VHR 1405R

& VHR 2005R only

3 ft, 3 prong

Power Cord

1/2

Drain

ecnamrofreP naF

VHR1405R

0.2

0.4

0.6

0.8

1.2

100

150

200

250

300

400 80 120 160

Airﬂow (cfm)

AirFlow (L/s)

Static Pressure (in WC)

200 240

190 38 57 76 94 114

VHR2004

VHR2005R

VHR 1404

VHR704

ecnamrofreP naF

Power

• Volts 120 VAC

• Amperage

VHR 1404/1405R 1.3 Amps

VHR 2004/2005R 2.1 Amps

• Single Phase

VHR 1404, VHR 1405R, VHR 2004 & VHR 2005R

Heat Recovery Ventilators

Apparent

Sensible

Effectiveness at

-25°C (-13°F)

Apparent

Sensible

Effectiveness at

0°C (32°F)

Power

Consumed

Watts

at 32°F (0°C)

Model

VHR 1404

73% @31 L/s (65 CFM)

77% @32 L/s (68 CFM)

72 @31 L/s (65 CFM)

VHR 1405R

73% @31 L/s (65 CFM)

77% @32 L/s (68 CFM)

72 @31 L/s (65 CFM)

VHR 2004

77% @31 L/s (65 CFM)

79% @61 L/s (129 CFM)

108 @31 L/s (65 CFM)

VHR 2005R

77% @31 L/s (65 CFM)

81% @59 L/s (126 CFM)

108 @31 L/s (65 CFM)

VHR 1404 VHR 1405R VHR 2004 VHR 2005R

A 604mm (22

") 604mm (22

") 711mm (28") 711mm (28")

B 438mm (17

") 438mm (17

C 413mm (16

") 413mm (16

") 521mm (20

D 56mm (2

") 56mm (2

E 152mm (6") 152mm (6") 152mm (6") 152mm (6")

Measurements

Fan Performance

Performance Data

Dimensions Airflow Path

TECHNICAL DATA (CONT'D)

• 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.

2 Install the drain hose,

making a “P” trap

HRV INSTALLATION

PRACTICAL TIPS

3 Hang the unit by

slipping a link onto the

hanging hooks, making

sure the unit is level.

2 Attach a hanging chain

(provided) to each 19mm

(3/4") bolt (provided) in the

top 4 corners of the unit

and tighten.

1 Place fastening hooks

on the strapping board

or the floor joists.

1 Install the drain nipple.

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.

MOUNTING

LOCATION

The HRV must be located in a heated 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 or laundry 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

These appliances may cause lint, dust or grease to collect in the HRV, damaging the unit.

NOTE: Connecting any of these type of appliances to the HRV will void your warranty.

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 of 3m (10') 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 457mm (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 a garage, attic or crawl space

Locating the Exhaust Weatherhood

• At least 457mm (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 weatherhoods (as close to the outside as possible)

and to the appropriate port on the HRV. The insulation should remain full and not

be squished. 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 port and the weatherhood prior to securing them.

To minimize air flow 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 air flow.

See “Installation Diagrams” for installation examples.

Model Description

FML 8* 8" Metal Hood (White)

COM 6P Plastic Supply & Exhaust Hoods

COM 6M Metal Supply & Exhaust Hoods

* Can be used as supply or exhaust hood

1 Using the collar of the out-

side hood, outline the intake

& exhaust hole to be cut. The

holes should be slightly larg-

er than the collar 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, 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 collar and secure.

Pull the insulation over the

duct and pull the vapor

barrier over the sleeve.

Secure with duct tape.

4 Using a caulking gun, seal

around both hoods to prevent

any leaks.

STEPS FOR HOOD INSTALLATION:

INTERIOR DUCTING INSTALLATION

GENERAL TIPS

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” tees instead of 90º elbows whenever possible.

All duct joints must be fastened with screws or duct sealant and wrapped with aluminium 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 mod-

eration when necessary. To avoid possible noise transfer through the ductwork system, a short length (approximately 300mm, 12") of

nonmetallic flexible insulated duct should be connected between the HRV and the supply/exhaust ductwork system.

The main supply and return lines to/from the HRV must have a diameter of 150mm (6"). Branch lines to the individual rooms may be

as small as 100mm (4"), but 125mm (5") is preferred.

INSTALLING DUCT TO HRV

Collar is equipped with hooks that will prevent flexible duct from slipping. For flex duct

installation, slide flex onto collar and over hooks. Then install a cable tie over flex duct

to prevent leakage between the ducting and collar.

In the case of solid ducting, slide solid duct over collar, screw in place and seal with tape.

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 such as the Fantech metal grilles (MGE) or plas-

tic grilles (CG) are recommended. If the floor is the only option available, then special care should be taken in locating grilles. Areas

such as under baseboard heaters will help to temper the air. 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 recom-

mended that return air ducts be installed in the bathroom, kitchen, and laundry room. Additional return air ducts from strategic locations

(i.e. greenhouse, atrium, swimming pool, sauna, etc.) 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.

WARNING!

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.

INSTALLATION EXAMPLES

Bedrooms

Fresh Air

Exhaust Air

Central Control - optional

Fresh air to living room

Exhaust CG 4 (4” Adjustable Grill)

FEL 4 (4” Miter Elbow)

Bathroom

460 mm

HRV

Example diagram only - Duct configuration may change depending on model

Fully Dedicated System - RECOMMENDED

(New Construction)

NOTES:

1. Stale air is drawn from key areas of the home (bathroom, kitchen,

laundry room).

2. Fresh air is distributed through habitable rooms in the house (bed-

rooms, living room).

3. The HRV's airflow must be balanced on site using the procedure

found in section "AIRFLOW BALANCING"

Bedrooms

Fresh Air

Exhaust Air

Furnace thermostat

Exhaust CG 4 (4” Adjustable Grill)

Bathroom

460 mm

HRV

Central Control - optional

Return Air

HRV

Connection

Partially Dedicated System

DIRECT CONNECTION of the SUPPLY AIR STREAM to the FURNACE COLD AIR RETURN

(Stale air drawn from key areas of home)

NOTES:

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 460mm (18") above grade is recommended.

3. Due to the differences in pressure between the HRV and the equip-

ment it is being connected to, the HRV's airflow must be balanced on

site, using the procedure found in section “AIRFLOW BALANCING”.

FEL 4 (4” Miter Elbow)

INSTALLATION EXAMPLES (CONT'D)

Example diagram only - Duct configuration may change depending on model

HRV/Furnace ducting for Partially Dedicated System

Stale air coming from different areas of the

house (ie bathroom, kitchen).

* Unit air flow should be balanced while HRV is on "High" speed and fur-

nace blower is running.

Outside

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 both the HRV SUPPLY AIR STREAM and

EXHAUST AIR STREAM to the FURNACE COLD AIR RETURN

Simplified Installation

Option 1

(Return/Return Method)

NOTES:

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 (39") is recommended between the two

direct connections.

3. In order to prevent exhausting any fresh air, the HRV's exhaust air con-

nection should be upstream of the HRV's supply air connection when

ducting to the furnace's cold air return.

4. Weatherhood arrangement is for illustrative purposes only. 3m (10') mini-

mum separation and 460mm (18") above grade is recommended.

5. Due to the differences in pressure between the HRV and the equipment

it is being connected to, the HRV’s airflow should be balanced on site,

using the procedure found in section "AIRFLOW BALANCING".

NOTE: In the case of a sim-

plified installation, Option 1

is recommended.

Example diagram only - Duct configuration may change depending on model

Stale air coming from different areas of the

house (ie bathroom, kitchen).

* Unit air flow should be balanced while HRV is on "High" speed and fur-

nace blower is running.

Outside

Air return

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

DIRECT CONNECTION of both the HRV SUPPLY AIR STREAM &

EXHAUST AIR STREAM to the FURNACE COLD AIR RETURN & SUPPLY AIR SIDE

Simplified Installation

Option 2

(Supply/Return Method)

NOTES:

1. Furnace blower must operate when ventilation from HRV is required.

The furnace should be set to run continuously or interlocked with HRV.

2. The exhaust air connection should be upstream of the supply air con-

nection to prevent exhausting any fresh air.

3. Weatherhood arrangement is for illustrative purposes only. 3m (10')

minimum separation and 460mm (18") above grade is recommended.

4. Due to the differences in pressure between the HRV and the equip-

ment 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)

NOTE: In the case of a sim-

plified installation, Option 1

is recommended.

Stale air coming from different areas of the

house (ie bathroom, kitchen).

* Unit air flow should be balanced while HRV is on "High" speed and fur-

nace blower is running.

Outside

Air return

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

Example diagram only - Duct configuration may change depending on model

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Fantech VHR 2004 Operating instructions

Brand: Fantech

Model: VHR 2004

Category: Split-system air conditioners

Type: Operating instructions

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