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HRV150S

HRV190S

INSTALLER MANUAL

READ AND SAVE THESE INSTRUCTIONS

RESIDENTIAL USE ONLY

22637 REV. 05

VB0297

IMPORTANT INFORMATION FOR ERV180S UNIT ABOUT DRAIN

INSTALLATION IN COLD CLIMATES ON PA G E 12, SECTION 3.8.

Broan-NuTone LLC Hartford, Wisconsin www.broan-nutone.com 1-800-558-1711

For additional information - visit www.broan-nutone.com

ERV180S

VB0267

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:

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.

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 1-800-558-1711.

ABOUT THESE UNITS

LIMITATION

For residential (domestic) installation only. Installation work and electrical wiring must be done by a qualified person(s) in accordance with

all applicable codes and standards, including fire-rated construction codes and standards.

WARNING

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 this 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:

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 this unit, 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 regulation 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 unit installed in the USA).

5. Do not run any air ducts directly above or closer than 2 ft 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” 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 65°F.

Units Optional Main Controls Optional Auxiliary Controls

HRV150S

HRV190S

ERV180S

VT7W, VT4W or VT6W VB20W and 59W

WARNING

TABLE OF CONTENTS

1. TECHNICAL DATA ..................................................................................................................................... 4-5

1.1 AIR DISTRIBUTION (NORMAL OPERATION) ............................................................................................................................ 4

1.2 AIR DISTRIBUTION (DEFROST MODE) .................................................................................................................................. 4

1.3 DEFROST CYCLES TABLES................................................................................................................................................. 4

1.4 DIMENSIONS.................................................................................................................................................................. 5

1.41 HRV150S AND HRV190S....................................................................................................................................................... 5

1.4.2 ERV180S ............................................................................................................................................................................. 5

1.5 SPECIFICATIONS ............................................................................................................................................................. 5

2. TYPICAL INSTALLATIONS ........................................................................................................................... 6

2.1 FULLY DUCTED SYSTEM ................................................................................................................................................... 6

2.2 EXHAUST DUCTED SYSTEM (SOURCE POINT VENTILATION) ...................................................................................................... 6

2.3 SIMPLIFIED (VOLUME VENTILATION) .................................................................................................................................... 6

3. INSTALLATION .........................................................................................................................................7-13

3.1 INSPECT THE CONTENT OF THE BOX ................................................................................................................................... 7

3.2 LOCATING AND MOUNTING THE UNIT .................................................................................................................................. 7

3.3 PLANNING OF THE DUCTWORK .......................................................................................................................................... 7

3.4 CALCULATING THE DUCT SIZE............................................................................................................................................ 8

3.4.1 EXAMPLE OF CALCULATION ......................................................................................................................................................... 8

3.4.2 EXAMPLE OF ADESIGN FOR AFULLY DUCTED SYSTEM ...................................................................................................................... 8

3.5 INSTALLING THE DUCTWORK AND THE REGISTERS ............................................................................................................. 9-10

3.5.1 FULLY DUCTED SYSTEM .............................................................................................................................................................. 9

3.5.2 EXHAUST DUCTED SYSTEM ......................................................................................................................................................... 9

3.5.3 SIMPLIFIED INSTALLATION ..........................................................................................................................................................10

3.6 CONNECTING THE DUCTS TO THE UNIT ............................................................................................................................. 11

3.7 INSTALLING THE EXTERIOR HOODS ................................................................................................................................... 12

3.8 CONNECTING THE DRAIN .......................................................................................................................................... 12-13

3.8.1 HRV UNITS ...........................................................................................................................................................................12

3.8.2 ERV

UNIT .............................................................................................................................................................................13

4. CONTROLS ............................................................................................................................................13-15

4.1 INTEGRATED CONTROL .................................................................................................................................................. 13

4.1.1 BOOT SEQUENCE ....................................................................................................................................................................13

4.1.2 SETTING EXTENDED DEFROST ....................................................................................................................................................13

4.2 ELECTRICAL CONNECTION TO OPTIONAL WALL CONTROLS ................................................................................................ 14-15

4.2.1 ELECTRICAL CONNECTION TO VT7W MAIN WALL CONTROL...............................................................................................................14

4.2.2 ELECTRICAL CONNECTION TO VT4W MAIN WALL CONTROL...............................................................................................................15

4.2.3 ELECTRICAL CONNECTION TO VT6W MAIN WALL CONTROL ..............................................................................................................15

4.2.4 ELECTRICAL CONNECTION TO OPTIONAL AUXILIARY WALL CONTROLS ...................................................................................................15

5. ELECTRIC CONNECTION TO THE FURNACE ..........................................................................................15

6. WIRING DIAGRAM.......................................................................................................................................16

7. BALANCING THE UNIT ...............................................................................................................................17

7.1 WHAT YO U NEED TO BALANCE THE UNIT ......................................................................................................................... 17

7.2 PRELIMINARY STAGES TO BALANCE THE UNIT ................................................................................................................... 17

7.3 BALANCING PROCEDURE ............................................................................................................................................. 17

8. SERVICE PARTS .........................................................................................................................................18

9. TROUBLESHOOTING ........................................................................................................................... 19-20

1. TECHNICAL DATA

1.1 AIR DISTRIBUTION (NORMAL OPERATION)

1.3 DEFROST CYCLES TABLES

HRV150S UNIT

OUTDOOR TEMPERATURE DEFROST CYCLES (MINUTES)EXTENDED DEFROST CYCLES

FAHRENHEIT (°F) DEFROSTING OPERATION TIME BETWEEN EACH

DEFROST CYCLES DEFROSTING OPERATION TIME BETWEEN EACH

DEFROST CYCLES

23 7 50 10 30

5 7 25 10 20

-17 10 20 10 15

1.2 AIR DISTRIBUTION (DEFROST MODE)

VF0052

VF0053

ERV180S UNIT

OUTDOOR TEMPERATURE DEFROST CYCLES (MINUTES)EXTENDED DEFROST CYCLES

FAHRENHEIT (°F) DEFROSTING OPERATION TIME BETWEEN EACH

DEFROST CYCLES DEFROSTING OPERATION TIME BETWEEN EACH

DEFROST CYCLES

23 10 60 10 30

510301020

-17 10 20 10 15

HRV190S UNIT

OUTDOOR TEMPERATURE DEFROST CYCLES (MINUTES)EXTENDED DEFROST CYCLES

FAHRENHEIT (°F) DEFROSTING OPERATION TIME BETWEEN EACH

DEFROST CYCLES DEFROSTING OPERATION TIME BETWEEN EACH

DEFROST CYCLES

23 6 50 10 30

5 6 25 10 20

-17 10 20 10 15

NOTE: The HRV and ERV Performance Charts are listed on the specification sheets of these units.

Visit our website at www.broan-nutone.com to access those documents.

1. TECHNICAL DATA (CONT’D)

1.4 DIMENSIONS

1.5 SPECIFICATIONS

MODEL HRV150S HRV190S ERV180S

WEIGHT 65 LB. 65 LB.76LB.

PORT

DIAMETER 6˝ 6˝ 6˝

DRAIN

DIAMETER 1/2˝ 1/2˝ 1/2˝

INSTALLATION CHAINS AND SPRINGS (PROVIDED WITH THE UNIT)

MOTOR

SPEED HIGH AND LOW SPEED FACTORY SET (OPTIONAL INCREASED LOW SPEED)

ELECTRICAL

SUPPLY 120 V, 60 HZ120 V, 60 HZ120 V, 60 HZ

POWER

CONSUMPTION 160 WATTS 195 WATTS 200 WATTS

17”

(432 mm)

17¼” (438 mm)

6”

(152 mm)

Power Cord

36” (914 mm)

Door

30¼” (768 mm)

35” (891 mm)

Terminal

Block

Location

Blower

Assembly

Motorized

Damper

Hooks Location

for Hanging Chains

Heat

Recovery

Core

VK0077A

17”

(432 mm)

17¼” (438 mm)

6”

(152 mm)

Door

34” (864 mm)

39” (991 mm)

Blower

Assembly

Hooks Location

for Hanging Chains

Energy

Recovery

Core

VK0078A

Terminal

Block

Location

Motorized

Damper

Power Cord

36” (914 mm)

1.4.1 HRV150S AND HRV190S

1.4.2 ERV180S

(Primarily for homes with radiant hot water or electric baseboard heating.

See illustration at right.)

Moist, stale air is exhausted from the high humidity areas in the home, such as

bathrooms, kitchen and laundry room.

Fresh air is supplied to bedrooms and principal living areas.

If required, bathroom fans and a range hood may be used to better exhaust stale

air.

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

highest level.

2. TYPICAL INSTALLATIONS

2.1 FULLY DUCTED SYSTEM

There are three common installation methods.

VH0077

(For homes with forced air heating. See illustration at right.)

Moist, stale air is exhausted from the high humidity areas in the home, such as

bathrooms, kitchen and laundry room. Fresh air is supplied to the cold air return

or the supply duct of the furnace. If required, bathroom fans and a range hood

may be used to better exhaust stale air.

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

highest level.

NOTE: For this type of installation, it is not essential that the furnace blower runs

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

2.2 EXHAUST DUCTED SYSTEM (SOURCE POINT VENTILATION)

VH0078

(For homes with forced air heating. See illustration at right.)

Fresh air and exhaust air flow through the furnace ducts, which simplifies the

installation.

The use of bathroom fans and a range hood is suggested to exhaust stale air.

NOTE: For this type of installation, the furnace blower must be running when

the unit is in operation.

2.3 SIMPLIFIED (VOLUME VENTILATION)

VH0079

See 3.5.1 for details

See 3.5.2 for details

See 3.5.3 for details

3. INSTALLATION

3.1 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, door hinges, dampers,

duct collars, cabinet, etc.

• Inspect the interior of the unit for damage. Ensure that the fan motor assembly, recovery module, insulation, dampers, condensation tray

are all intact.

• If the unit was damaged during shipping, contact your local distributor. (Claim must be made within 24 hours after delivery.)

When applicable local regulation comprises 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.

When performing installation, servicing or cleaning the unit, it is recommended to wear safety glasses and gloves.

3.2 LOCATING AND MOUNTING THE UNIT

Choose an appropriate location for the Unit:

• Within an area of the house where the ambient temperature is kept between 50°F and 104°F

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

• So as to provide easy access to the interior cabinet for every three months and annual maintenance, and to the control panel on the

side of the unit;

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

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

• Away from hot chimneys, electrical panel and other fire hazards

• Allow for a power source (standard outlet)

Hang the unit with the 4 chains and springs provided (see illustrations at right).

VD0037

VD0279

3.3 PLANNING OF THE DUCTWORK

a) Follow the instructions in Section 3.4 (next page) to determine the appropriate duct diameters for your system.

b) Keep it simple. Plan for a minimum number of bends and joints. Keep the length of insulated duct to a minimum.

c) Do not use wall cavities as ducts. Do not use branch lines smaller than 4” Ø.

d) 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 recovery module. Use sheet metal for the kitchen exhaust duct.

e) Be sure to plan for at least one exhaust register on the highest lived-in level of the house if it has 2 floors or more.

NOTE: Prior to installation of the unit, remove its shipping bracket by unscrewing its wing nut and

loosing its both retaining screws.

VD0283

SHIPPING BRACKET

RETAINING SCREWS

WING NUT

WARNING

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.

3. INSTALLATION (CONT’D)

3.4 CALCULATING THE DUCT SIZE

VI0003

PROBLEM:My installation requires two exhaust registers (one for the kitchen, one 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 the two end

branches leading to the registers? (See illustration at right.)

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

or HRAI HANDBOOK).

Main duct: Table above indicates a 6” Ø duct: Recommended air flow: 120 cfm; maximum air flow:

180 cfm. The high speed air flow of 140 cfm is close enough to the recommended value (120) and

far enough away 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 an air flow of 70 cfm (140 divided by 2). Table

above indicates 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 enough away from

the maximum value (110). Therefore a 5” Ø duct or larger is an appropriate choice for the 2 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.

3.4.1 EXAMPLE OF CALCULATION

VI0004

END

BRANCHES

5˝ø

70 CFM

MAIN BRANCH

6˝ø 140 CFM

DUCT

DIAMETER RECOMMENDED AIR FLOW MAXIMUM AIR FLOW

4˝ (102 MM) 40 CFM 19 L/S68 M/H60 CFM 28 L/S102 M/H

5˝ (127 MM) 75 CFM 35 L/S127 M/H110 CFM 52 L/S187 M/H

6˝ (152 MM) 120 CFM 57 L/S204 M/H180 CFM 85 L/S306 M/H

7˝ (178 MM) 185 CFM 87L/S314 M/H270 CFM 127 L/S459 M/H

8˝ (203 MM) 260 CFM 123 L/S442 M/H380 CFM 179 L/S645 M/H

NOTE: Examples 3.4.1 and 3.4.2 use imperial measures.

The same calculation applies to metric measures.

3.4.2 EXAMPLE OF ADESIGN FOR AFULLY DUCTED SYSTEM FOR AUNIT HAVING AHIGH SPEED PERFORMANCE OF 222 CFM

5˝ø

65 CFM

5˝ø

64 CFM 4˝ø

42 CFM 4˝ø

42 CFM

4˝ø

42 CFM

6˝ø

96 CFM

6˝ø

84 CFM

6˝ø

138 CFM

7˝ø

222 CFM

7˝ø

222 CFM

6˝ø

93 CFM

6˝ø

129 CFM

5˝

6˝

6˝ 6˝

6˝

7˝ 7˝

4˝

4˝ 4˝

4˝

3. INSTALLATION (CONT’D)

3.5 INSTALLING THE DUCTWORK AND THE REGISTERS

STALE AIR EXHAUST DUCTWORK:

• Install registers in areas where contaminants are produced: Kitchen, bathrooms, laundry room, etc.

• Install registers 6 to 12 inches from the ceiling on an interior wall OR install them in the ceiling.

• Install the kitchen register at least 4 feet from the range.

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

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

FRESH AIR DISTRIBUTION DUCTWORK:

• Install registers in bedrooms, dining room, living room and basement.

• Install 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 level.)

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

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

gas water heater or a fireplace.

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

3.5.1 FULLY DUCTED SYSTEM (AS ILLUSTRATED IN SECTION 2.1)

STALE AIR EXHAUST DUCTWORK:

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

FRESH AIR DISTRIBUTION:

3.5.2 EXHAUST DUCTED SYSTEM (AS ILLUSTRATED IN SECTION 2.2)

There are two methods for connecting the unit to the furnace:

METHOD 1: SUPPLY SIDE CONNECTION

• Cut an opening into the furnace supply duct at least 18 inches

from the furnace.

• Connect this opening to the fresh air distribution port of the HRV/ERV

(use metal duct, see illustration at right).

• Make sure that the HRV/ERV duct forms an elbow inside the furnace ductwork.

• If desired, interlock (synchronize) the furnace blower operation with

the HRV/ERV operation. (See Section 5).

When performing duct connection to the furnace, installation must be done in accordance with all applicable

codes and standards. Please refer to your local building code.

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

airflow produced by the ERV/HRV. Also, use a metal duct. It is recommended that the ERV/HRV is running when the

furnace is in operation in order to prevent backdrafting inside ERV/HRV.

VJ0084

METAL DUCT

MINIMUM

18’’

METHOD 2: RETURN SIDE CONNECTION

• Cut an opening into the furnace return duct not less than 10 feet

from the furnace (A+B).

• Connect this opening to the fresh air distribution port of the HRV/ERV

(see illustration at right).

NOTE: For Method 2, it is not essential that the furnace blower runs when the unit is

in operation, but we recommend it. If desired, synchronize the furnace blower

operation with the HRV/ERV operation. (See Section 5).

VJ0085 A+B= NOT LESS

THAN 10’

CAUTION

WARNING

3. INSTALLATION (CONT’D)

3.5 INSTALLING THE DUCTWORK AND THE REGISTERS (CONT’D)

When performing duct connection to the furnace ducts (Method 1), these ducts must be sized to support the

additional airflow produced by the ERV/HRV. Also, the supply duct must be a metal duct. It is recommended that

the ERV/HRV is running when the furnace is in operation in order to prevent backdrafting inside ERV/HRV.

3.5.3 SIMPLIFIED INSTALLATION (AS ILLUSTRATED IN SECTION 2.3)

There are two methods (illustrated below) for connecting the unit to the furnace ducts:

METHOD 1: RETURN-SUPPLY METHOD 2: RETURN-RETURN

When performing duct connection to the furnace, installation must be done in accordance with all applicable

codes and standards. Please refer to your local building code.

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

MINIMUM

3’

STALE AIR INTAKE:

• Cut an opening into the furnace return duct not less than 10 feet from the furnace.

• Connect this opening to the stale air intake port of the HRV/ERV (as shown above).

FRESH AIR DISTRIBUTION:

Same instructions as for Method 1 or Method 2, section 3.5.2 in previous page)

A+B= NOT LESS

THAN 10’

VJ0086

METAL DUCT

MINIMUM

18’’

A+B= NOT LESS

THAN 10’

VJ0087

For Method 2 (Return-Return), make sure there is a distance of at least 3 feet between the 2 connections to the furnace duct.

NOTE: For Method 1, it is not essential to synchronize the furnace blower operation with the HRV/ERV operation, but we

recommend it.

CAUTION

WARNING

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