VanEE 90 H Manuale utente

INSTALLATION GUIDE FOR

VÄNEE 90H AND VÄNEE 190H

BRONZE MODELS

RESIDENTIAL USE ONLY

READ AND SAVE THESE INSTRUCTIONS

03451 rev. C

VB0110

These products earned the ENERGY STAR®

by meeting strict energy efficiency guidelines

set by Natural Resources Canada and the

US EPA.They meet ENERGY STAR requirements

only when used in Canada.

ABOUT THIS MANUAL

Because of the large amount of models covered by this publication, the illustrations are typical ones. Some details of your unit may be

slightly different than the ones shown.

Please take note that this manual uses the following symbols to emphasize particular information:

NOTE: Indicates supplementary information needed to fully complete an instruction.

We welcome any suggestions you may have concerning this manual and/or the unit, and we would appreciate hearing your comments

on ways to better serve you. Please contact us by phone at 1-800-567-3855.

WARNING

Identifies an instruction which, if not followed, might cause serious personal injuries including possibility of death.

CAUTION

Denotes an instruction which, if not followed, may severely damage the unit and/or its components.

- 2 -

TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSON(S) OBSERVE THE FOLLOWING:

1. Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer at the address or

telephone number listed in the warranty.

2. Before servicing or cleaning the unit, disconnect power cord from electrical outlet.

3. This unit is not designed to provide combustion and/or dilution air for fuel-burning appliances.

4. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.

5. Do not use this unit with any solid-state speed control device other than following main wall controls: Lite-Touch Bronze or

Bronze, and no other optional wall controls than 60-minute crank timer and/or 20-minute lighted push button and/or Humidity control.

6. This unit must be grounded. The power supply cord has a 3-prong grounding plug for your personal safety. It must be plugged into a

mating 3-prong grounding receptacle, grounded in accordance with the national electrical code and local codes and ordinances. Do

not remove the ground prong. Do not use an extension cord.

7. Do not install in a cooking area or connect directly to any appliances.

8. Do not use to exhaust hazardous or explosive materials and vapors.

9. When performing installation, servicing or cleaning these units, it is recommended to wear safety glasses and gloves.

10. Due to the weight of the unit, two installers are recommended to perform installation.

11. When applicable local regulations comprise more restrictive installation and/or certification requirements, the aforementioned requirements

prevail on those of this document and the installer agrees to conform to these at his own expenses.

CAUTION

1. To avoid prematurate clogged filters, turn OFF the unit during construction or renovation.

2. Please read specification label on product for further information and requirements.

3. Be sure to duct air outside – Do not intake / exhaust air into spaces within walls or ceiling or into attics, crawl spaces, or garage.

4. Intended for residential installation only in accordance with the requirements of NFPA 90B (for a unit installed in USA) or Part 9 of

the National Building Code of Canada (for a unit installed in Canada).

5. Do not run any air ducts directly above or closer than 2 ft (0.61 m) to any furnace or its supply plenum, boiler, or other heat producing

appliance. If a duct has to be connected to the furnace return plenum, it must be connected not closer than 9’ 10” (3 m) from this

plenum connection to the furnace.

6. The ductwork is intended to be installed in compliance with all local and national codes that are applicable.

7. When leaving the house for a long period of time (more than two weeks), a responsible person should regularly check if the unit operates

adequately.

8. If the ductwork passes through an unconditioned space (e.g.: attic), the unit must operate continuously except when performing

maintenance and/or repair. Also, the ambient temperature of the house should never drop below 18°C (65°F).

WARNING

ABOUT THESE UNITS

LIMITATION

For residential (domestic) installation only. This unit must be installed in accordance with all national and local regulations, building codes

and safety codes.

1. TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1.1 AIR DISTRIBUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1.2 DEFROST CYCLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

1.3 DIMENSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2TYPICAL INSTALLATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2.1 FULLY DUCTED SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2.2 CENTRAL DRAW POINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2.3 SIMPLIFIED INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

3INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-9

3.1 INSPECT THE CONTENT OF THE BOX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.2 LOCATING THE UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.3 PLANNING OF THE DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

3.4 CALCULATING DUCT SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-6

3.5 INSTALLING THE DUCTWORK AND REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-8

3.6 CONNECTING THE DUCTS TO THE UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

3.7 INSTALLING 2 EXTERIOR HOODS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

3.8 CONNECTING THE DRAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

4. CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-12

4.1 INTEGRATED CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

4.2 ELECTRICAL CONNECTION TO OPTIONAL WALL CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12

5. ELECTRICAL CONNECTION TO THE FURNACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

6. WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

7. BALANCING THE UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

8. SERVICE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

9TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

TABLE OF CONTENTS

- 3 -

1. TECHNICAL DATA

1.1 AIR DISTRIBUTION

1.2 DEFROST CYCLES

NORMAL OPERATION DEFROST

VF0022

VF0023

STALE AIR

TO OUTSIDE

STALE AIR

FROM BUILDING

STALE AIR

FROM BUILDING

FILTERED AIR

TO BUILDING

FRESH AIR

TO BUILDING

FRESH AIR

FROM OUTSIDE

OUTSIDE TEMPERATURE DEFROST CYCLES (MINUTES)EXTENDED DEFROST CYCLES (MINUTES)

CELSIUS (°C) FAHRENHEIT (°F) DEFROSTING OPERATION BETWEEN EACH DEFROSTING OPERATION BETWEEN EACH

DEFROST CYCLE DEFROST CYCLE

-5 23 6 32 10 30

-15 -5 6 32 10 20

-27 -17 6 20 10 15

1.3 DIMENSIONS

16½”

(419 mm)

17 /8”(435 mm)

30¼”(768mm)

6”(152 mm)

VK0029A

In a cold region, setup EXTENDED DEFROST by pressing on the push button on the electrical compartment. See section 4.1.2

Setting Extended Defrost on page 10.

2.3 SIMPLIFIED INSTALLATION (CONNECTION TO A FORCED AIR SYSTEM)

2. TYPICAL INSTALLATIONS

Use the following illustrations as guidelines to help you decide on how the unit will be installed.

All the units should be hung from the joists.

In every case, bathroom fans and a range hood should be used to exhaust stale air. Also, for homes with more than one level, we

recommend one exhaust register at the highest level.

There are 3 installation methods: Fully ducted, Central Draw Point and Simplified Installation.

NOTE: An electrical outlet has to be available within 3 feet of the unit.

2.1 FULLY DUCTED SYSTEM (PRIMARILY FOR HOMES WITH RADIANT HOT WATER OR ELECTRIC BASEBOARD HEATING.)

2.2 CENTRAL DRAW POINT (CONNECTION TO A FORCED AIR SYSTEM.)

For this type of installation, it is not essential that the forced air system blower

runs when the unit is in operation, but we recommend it.

NOTE: Home with multiple forced air systems should have one unit on

each system.

Stale air coming from the registers located at the highest level of the house

is exhausted to the outside. Fresh air from outside is filtered and supplied by

the register located in the lowest liveable level.

Homes with more than one level require at least one exhaust register at the

highest level.

See figure at right.

Stale air coming from the registers located at the highest level of the house

is exhausted to the outside. Fresh air from outside is filtered and supplied to

the return (plenum) or the supply duct of the forced air unit. See figure at

right.

Stale air is exhausted to the outside. Fresh air from outside is filtered and

supplied to the return (plenum) or the supply duct of the forced air unit.

See figure at right.

To avoid cross-contamination and achieve the highest efficiencies, the

forced air system blower must always be ON.

NOTE: Home with multiple forced air systems should have one unit on

each system.

- 4 -

VH0002

VH0006

VH0007

- 5 -

3. INSTALLATION

.1 INSPECT THE CONTENT OF THE BOX

• Inspect the exterior of the unit for shipping damage. Ensure that there is no damage to the door, door latches, power cord, etc.

•Remove the hardware kit from the unit. Inspect the interior of the unit for damage. Ensure that heat recovery core, core filters, insulation,

dampers, etc. are all intact.

3.2 LOCATING THE UNIT

Choose an appropriate location for the unit.

•Within an area of the house where the ambient temperature is between 10°C (50°F) and 50°C (122°F) (basement, furnace room,

closet, etc.).

• Away from living areas (dining room, living room, bedroom), if possible

•So as to provide easy access to the interior of the unit, for maintenance.

•Close to an exterior wall, so as to limit the length of the insulated flexible duct to and from the unit.

•Away from hot chimneys and other fire hazards.

•Allow for a power source (standard 3-prong grounding outlet).

•Close to a drain. If no drain is close by, use a pail to collect run-off.

Hang the unit with the four chains and springs provided.

See illustrations beside.

VD0037

CAUTION

Make sure the unit is level.

VD0038

3.3 PLANNING OF THE DUCTWORK

• Keep it simple. Plan for a minimum of bends and joints.

• Keep the length of insulated ducts to a minimum.

• Do not ventilate crawl spaces or cold rooms. Do not attempt to recover the exhaust air from a dryer or a range hood. This would

cause clogging of the filters and recovery module.

• If the house has two floors or more, be sure to plan for at least one exhaust register on the highest lived-in level.

3.4 CALCULATING DUCT SIZE

Use the table below to ensure that the ducts you intend to install will be carrying air flows at or under the recommended values.

Avoid installing ducts that will have to carry air flows near the maximum values and never install a duct if its air flow exceeds

the maximum value.

DUCT DIAMETER RECOMMENDED AIR FLOW MAXIMUM AIR FLOW

4” Ø (102 MM) 40 CFM (19 L/SOR68 M³/H) 60 CFM (28 L/SOR102 M³/H)

5” Ø (127 MM) 75 CFM (35 L/SOR127 M³/H) 110 CFM (52 L/SOR187 M³/H)

6” Ø (152 MM) 120 CFM (57 L/SOR204 M³/H) 180 CFM (85 L/SOR306 M³/H)

7” Ø (178 MM) 185 CFM (87 L/SOR314 M³/H) 270 CFM (127 L/SOR459 M³/H)

8” Ø (203 MM) 260 CFM (123 L/SOR442 M³/H) 380 CFM (179 L/SOR645 M³/H)

3. INSTALLATION (CONT’D)

3.4 CALCULATING DUCT SIZE (CONT’D)

NOTE: Examples 3.4.1 and 3.4.2 use imperial units. The same calculation applies to metric units.

3.4.1 Example of calculation

Problem: My installation requires two exhaust registers (one for the kitchen, and the other for

the bathroom). I will connect these registers to a main duct which will connect to the unit (high

speed performance value of 140 cfm). What size of duct should I use for the main exhaust duct

and for both end branches leading to the registers? (See figure beside.)

Solution: Simplified method. (For a more detailed method of calculating duct size, refer to the

ASHRAE or HRAI HANDBOOK.)

Main duct: Table on page 5 indicates for a 6” Ø duct: recommended air flow: 120 cfm, maximum

air flow: 180 cfm. The 140 cfm high speed air flow is close enough to the recommended value

(120) and far away enough from the maximum value (180). Therefore, a 6” Ø duct or larger is

an appropriate choice for the main exhaust duct.

End branches: Each end branch will have to transport a 70 cfm air flow (140 divided by 2). Table on page 5 indicates for a 5” Ø

duct: recommended air flow: 75 cfm; maximum air flow: 110 cfm. The high speed air flow of 70 cfm is close enough to the

recommended value (75) and far away enough from the maximum value (110). Therefore, a 5” Ø duct or larger is an appropriate

choice for both end branches.

NOTE: A 4” Ø duct would have been too small because the maximum acceptable value for a 4” Ø duct is 60 cfm.

3.4.2 Example of a design for a fully ducted system with a unit having a high speed performance of 222 cfm.

VI0003

END

BRANCHES

5” Ø,

70 CFM

MAIN BRANCH

6”Ø, 140 CFM

VI0004

5”

5” Ø 65 cfm

6” Ø 129 cfm

6” Ø 138 cfm

6” Ø 93 cfm

7” Ø 222 cfm 7” Ø 222 cfm

6” Ø 96 cfm

5” Ø 64 cfm

6” Ø

84 cfm

4” Ø

42 cfm

4” Ø 42 cfm

4”

6”

7”

4”

3.5 INSTALLING THE DUCTWORK AND REGISTERS

3.5.1 FULLY DUCTED SYSTEM (AS ILLUSTRATED IN SECTION 2.1)

Stale air exhaust ductwork

• Install the stale air exhaust registers where the contaminants are produced: kitchen, living room, etc. Position the registers as far

from the stairway as possible and in such a way that the air circulates in all the lived-in spaces in the house.

• If a register is installed in the kitchen, it must be located at least 4 feet (1.2 m) from the range.

• Install the registers 6 to 12 inches (152 to 305 mm) from the ceiling on an interior wall OR install them in the ceiling.

• If possible, measure the velocity of the air flowing through the registers. If the velocity is higher than 400 ft/min (122 m/min), then

the register type is too small. Replace with a larger one.

Fresh air distribution ductwork

• Install the fresh air distribution registers in bedrooms, dining rooms, living room and basement.

• Keep in mind that the fresh air registers must be located as far as possible from the stale air registers.

• Install the registers either in the ceiling or high on the walls with air flow directed towards the ceiling. (The cooler air will then cross

the upper part of the room and mix with room air, before descending to occupant’s level.)

• If a register must be floor installed, direct the airflow up the wall.

WARNING

Never install a stale air exhaust register in a closed room where a combustion device operates, such as a gas furnace, a gas

water heater or a fireplace.

- 6 -

3.5 INSTALLING THE DUCTWORK AND REGISTERS (CONT’D)

3.5.2 CENTRAL DRAW POINT SYSTEM (AS ILLUSTRATED IN SECTION 2.2)

Stale air exhaust ductwork

Same as for Fully Ducted System, described on point 3.5.1)

Fresh air distribution ductwork

There are 2 methods for connecting the unit to the furnace/air handler:

Method 1: Supply side connection

• Cut an opening into the furnace supply duct at least 18 inches (0.5 m) from the

furnace/air handler.

• Connect this opening to the

Fresh air distribution

port of the HRV (use steel

duct, see figure beside).

• Make sure the HRV duct form an elbow inside the furnace/air handler ductwork.

• If desired, interlock (synchronize) the furnace/air handler blower operation (see

Section 5

Method 2: Return side connection

• Cut an opening into the furnace return duct not less than 10 feet (3.1 m) from the

furnace/air handler (A+B).

• Connect this opening to the

Fresh air distribution

port of the HRV

(see figure beside).

NOTE: For Method 2, it is not essential that the furnace/air handler runs when the

unit is operation, but we recommend it. If desired, interlock (synchronize) the

furnace/air handler blower operation (see

Section 5

WARNING

When performing duct connections, always use approved tools and materials. Respect all corresponding laws and safety

regulations. Please refer to your local building code.

CAUTION

When performing duct connections to the furnace supply duct, this duct must be sized to support the additional airflow

produced by the HRV. Also, use a steel duct.

VD0172

VD0108

MINIMUM 18”

(0.5 M)

A+B= NOT LESS

THAN 10’ (3.1 M)

STEEL DUCT

- 7 -

3. INSTALLATION (CONT’D)

3.5.3 SIMPLIFIED INSTALLATION (AS ILLUSTRATED IN SECTION 2.3)

There are 2 methods for connecting the unit to the furnace/air handler:

Method 1: Supply-return connection Method 2: Return-retur

Stale air intake

• Cut an opening into the furnace/air handler return duct not less than 10 feet (3.1 m) from the furnace/air handler (A+B).

• Connect this opening to the

Exhaust air from building

port of the HRV.

WARNING

When performing duct connections, always use approved tools and materials. Respect all corresponding laws and/or safety

regulations. Please refer to your local building code.

CAUTION

When performing duct connections to the furnace supply duct (Method 1), this duct must be sized to support the additional

airflow produced by the HRV. Also, use a steel duct. For a Return-Return installation, the furnace blower must be in operation

when the HRV is in operation.

VD0171

A+B= NOT LESS

THAN 10’ (3.1 M)

MINIMUM 18”

(0.5 M)

STEEL DUCT

VD0111

A+B= NOT LESS

THAN 10’ (3.1 M)

MINIMUM 3’

(0.9 M)

3.5 INSTALLING THE DUCTWORK AND REGISTERS (CONT’D)

3.5.3 SIMPLIFIED INSTALLATION (AS ILLUSTRATED IN SECTION 2.3) (CONT’D)

Fresh air distribution

• Same instructions as for Method 1 or Method 2, Section 2.7.2.

For Method 2 (Return-return), make sure there is a distance of at least 3 feet (0.9 m) between the 2 connections to the furnace/air

handler.

NOTE: For Method 1, it is not essential to synchronize the furnace blower operation with the unit operation, but we recommend it.

3. INSTALLATION (CONT’D)

- 8 -

CAUTION

If using Method 2, make sure the furnace/air handler blower operation is synchronized with the unit operation! See Section 5.

Rigid ducts

Use duct tape to connect the rigid ducts to the unit ports.

Make sure both balancing dampers are left in a fully open position before connecting the ducts to these ports (Fresh air to building

port and Exhaust air from building port) as shown below.

3.6 CONNECTING THE DUCTS TO THE UNIT

Insulated flexible ducts

Use the following procedure for connecting the insulated flexible ducts to the ports of the unit (

Exhaust air to outside

and

Fresh air

from outside

ports).

CAUTION

Make sure the vapor

barrier on the insulat-

ed ducts does not tear

during installation to

avoid condensation

within the ducts.

CAUTION

Do not use screws to connect the rigid ducts to the unit ports.

VJ0002 VJ0004 VJ0005

VJ0001

Pull back the insulation

to expose the flexible

duct.

Attach the flexible duct to

the port using tie wrap.

Pull the vapor barrier

over the insulation and

over the outer ring of the

double collar.

Apply duct tape to the

joint making an airtight

seal. Avoid compressing

the insulation when

pulling the tape tightly

around the joint.

Compressed insulation

loses its R value and

causes water dripping

due to condensation on

the exterior surface of

the duct.

VJ0003

Pull the insulation over

the joint and tuck in

between the inner and

outer rings of the double

collar.

VJ0011

3.7 INSTALLING 2 EXTERIOR HOODS

Choose an appropriate location to install the exterior

hoods:

• There must be a minimum distance of 6 feet (1.8 m)

between the hoods to avoid cross-contamination

• There must be a minimum distance of 18 inches

(457 mm) from the ground

Make sure the intake hood is at least 6 feet (1.8 m) away

from the following:

• Dryer exhaust, high efficiency furnace vent, central

vacuum vent

• Gas meter exhaust, gas barbecue grill

• Any exhaust from a combustion source

• Garbage bin and any other sources of contamination

Refer to figure beside for connecting insulated ducts to the

exterior hoods. An “Anti-gust intake hood’’ should be

installed in regions where a lot of snow is expected to fall.

3. INSTALLATION (CONT’D)

VD0028

TAPE AND DUCT TIE

OPTIONAL

DUCT LOCATION

EXHAUST HOOD

INTAKE HOOD

18’’

(457 MM)

18’’

(457 MM)

6’’ Ø

(152 MM)

18’’

(457 MM)

6’

(1.8 M)6’

(1.8 M)

- 9 -

3.8 CONNECTING THE DRAIN

VO0010

From the inside of the unit, punch

both knock-out sections located at the

bottom of the unit.

If using a pail to

collect water,

locate the tube end

approximately 1”

from the top of

the pail in order

to prevent water

from being

drawn back up

into the unit.

VO0003

In order to keep the drain pan intact,

hand tighten both plastic drain fittings

to the unit using the gaskets, washers

and nuts as shown.

Make a water trap loop in the tube to

prevent the unit from drawing

unpleasant odors from the drain

source. Make sure this loop is located

BELOW the “T” as shown. This will

prevent water from being drawn back

up into the unit in case of negative

pressure. Run the tube to the floor

drain or to an alternative drain pipe or

pail. Be sure there is a slight slope for

the run-off.

VO0005A

± 12"

(± 305 mm)

± 12"

(± 305 mm)

Cut 2 sections of the plastic tube,

about 12” (305 mm) long, and attach

them to each drain fitting. Join both

short sections to the “T” junction and

main tube as shown.

VO0011

TIE WRAP

TO DRAIN

VD0231A

± 1”

4. CONTROLS

4.1 INTEGRATED CONTROL

All units are equipped with an integrated control, located in front of the electrical compartment. Use the push

button (1) to control the unit. The LED (2) will then show on which mode the unit is in.

VD0193

Refer to table below to see how to operate the unit using its integrated control.

PRESS ON PUSH BUTTON LED COLOR RESULTS

ONCE AMBER UNIT IS ON LOW SPEED

TWICE GREEN UNIT IS ON HIGH SPEED

THREE TIMES NOLIGHT UNIT IS OFF

If a problem occurs during the unit operation, its integrated control LED (2) will blink. The color of the blinking light depends on the type

of error detected. Refer to

Section 9 Troubleshooting

on last page for further details.

4.1.1 BOOT SEQUENCE

The unit boot sequence is similar to a personnal computer boot sequence. Each time the unit is plugged after being unplugged, or

after a power failure, the unit will perform a 30-second booting sequence before starting to operate. During the booting sequence, the

integrated control LED will light GREEN (unit set in normal defrost) or AMBER (unit set in extended defrost) for 5 seconds, and then

will shut off for 2 seconds. After that, the LED will light RED for the rest of the booting sequence. During this RED light phase, the unit

is checking and resetting the motorized damper position. Once the motorized damper position completely set, the RED light turns off

and the booting sequence is done.

NOTE: No command will be taken until the unit is fully booted.

4.1.2 SETTING EXTENDED DEFROST

The unit is factory set to normal defrost. In cold region (outside temperature -27 °C [-17 °F] and lower), it may be necessary to setup

extended defrost. During the first 5 seconds of booting sequence, while the integrated control LED is GREEN, press on push button

until the LED turns AMBER (about 3 seconds).

- 10 -

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