Broan ERV70S Manual de usuario

USER GUIDE

READ AND SAVE THESE INSTRUCTIONS

INSTALLER: LEAVE THIS MANUAL WITH HOMEOWNER

* 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.

99528507A

VB0192

VB0190

Model ERV70S (side ports) Model ERV70T (top ports)

VB0193

VB0191

Model HRV70SE* (side ports) ModelHRV70TE*(top ports)

Congratulations!

You have made an excellent choice! The operating principle of your Heat Recovery

Ventilator or your Energy Recovery Ventilator will give you personal comfort you

have never known before.

We have prepared this User Guide especially for you. Please read it carefully to

ensure you obtain full benefit from your unit. Over the coming months, you will

increasingly appreciate the feeling of living in a more comfortable house.

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

particular information:

WARNING

Identifies an instruction which, if not followed, might cause serious

personal injuries including possibility of death.

CAUTION

Identifies 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 guide and/or the unit,

or ways to better serve you. Please forward all correspondence at the address below:

Broan-NuTone LLC

Indoor Air Quality Mkt.

926 W. State St.,

Hartford, WI 53027

CAUTION

Make sure at all times that the outside intake and exhaust hoods are free

from any snow during the winter season. It is important to check your unit

during a big snow storm, so it doesn’t draw in any snow. If this is the case,

please operate the unit in recirculation mode, or turn it OFF for a few hours.

Do not use your unit during construction or renovation of your house or

when sanding drywall.This type of dust may damage your system.

Since the electronic control system of the unit is incorporated with a

microprocessor, it may not operate correctly because of external noise

or very short power failure. If this happens, unplug the unit and wait

approximately 10 seconds. Then, plug the unit in again.

TABLE OF CONTENTS

When the outside temperature is below 23°F (-5°C), recovery of heat or energy

creates frost in the core.

To maintain its proper operation, the unit is programmed to defrost the recovery

core. The defrost frequency varies according to the outside temperature.

During the defrost cycle, the unit shifts to maximum speed and the dampers close.

After defrosting, the unit returns to the operating mode selected by the user.

1. DEFROSTING MODE

1. DEFROSTING MODE . . . . . . . . . . . . . . . . . . . . . . . 3

2. CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

2.1 INTEGRATED CONTROL . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2 OPTIONAL MAIN CONTROL VT4W . . . . . . . . . . . . . . . . . . . 5

2.3 OPTIONAL AUXILIARY CONTROLS . . . . . . . . . . . . . . . . . . . . 6

2.3.1 20-MINUTE LIGHTED PUSH BUTTON . . . . . . . . . . . . . . . . . . . 6

2.3.2 60-MINUTE CRANK TIMER . . . . . . . . . . . . . . . . . . . . . . . 6

2.3.3 DEHUMIDISTAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . .7-9

3.1 QUARTERLY MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . 9

3.2 ANNUAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 9

4.TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . 9-10

2. CONTROLS

2.1 INTEGRATED CONTROL

BOOTING SEQUENCE

The unit booting sequence is similar to a personnal computer boot sequence.

Eachtime theunitis pluggedafterbeing unplugged,or aftera powerfailure,the

unit will perform a 30-second booting sequence before starting to operate.

During the booting sequence, the integrated control LED (2in illustration

below) will light GREEN for 5 seconds, and then will turn RED. 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.

All units are equipped with an integrated control,

located on the upper left side of the unit.

Use the push button (1) to control the unit.

The LED (2) will then show on which mode the

unit is in.

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 4 Troubleshooting on last page for further details.

NOTE: WHEN USING MAIN CONTROL, THE INTEGRATED CONTROL

MUST BE TURNED OFF.

VE0220

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

2. CONTROLS (CONT’D)

2.2 OPTIONAL MAIN CONTROL VT4W

For more convenience, this unit can also be controlled using the optional main

wall control VT4W. Only one VT4W can be connected to the unit.

NOTES: 1. The integrated control must be turned OFF to use the optional

main control VT4W.

2.If an optional auxiliary control is used, if activated, this auxiliary

control will override the VT4W control operation.

INTERMITTENT

MAX

MIN

VC0070

VT4W

When power is applied for the first time or after a

power failure, this control is in OFF mode. Activate

the push button; the light indicator will show clearly in

which operating mode the unit is.

LIGHT INDICATOR

COLOR MODE SUGGESTED USE

GREEN INTERMITTENT

Select this mode when you are away

from the house for a few days. Also,

when you deem the inside air is too

dry in heating season, or too humid

during cooling season. In this mode,

the unit is OFF for 40 minutes per

hour and ventilates at minimum speed

the remaining 20 minutes of the hour.

YELLOW MIN Minimum ventilation speed for normal

daily operation.

RED MAX

Maximum ventilation speed for excess

pollutants and humidity (parties,

odors, smoke, etc.)

NOLIGHT OFF Turn off the unit before performing

maintenance.

2. CONTROLS (CONT’D)

Contrary to the optional main control, up to 5 optional auxiliary controls

can be connected to the same ventilation unit.

2.3 OPTIONAL AUXILIARY CONTROL

2.3.1 20-MINUTE LIGHTED PUSH BUTTON

Press once on its center (A) to activate the push

button. The ventilation unit will exchange air with

the outside on high speed for a 20-minute period,

and the indicator (B) will light up.To stop activation

before the end of the 20-minute cycle, press one

more time. The unit will get back to its previous

setting.

NOTE: Control appearance may vary.

VC0084

2.3.2 60-MINUTE CRANK TIMER

This control makes the unit operate at high speed

for periods varying from 10 to 60 minutes.

OFF

Turn

Past

C00

MINUTES

HOLD

2.3.3 DEHUMIDISTAT

Adjust knob to the desired maximum

indoor humidity level.

CAUTION

Do not select a humidity level

below 30%. This could lead to

excessive dryness in the air

causing discomfort for the

occupants.

70%

60%

50%

40%

30%

25%

20%

DEHUMIDISTAT

VC0140

WARNING

Risk of electric shock. Before performing any maintenance, always turn

off and disconnect the unit from its power source. Sharp edges may be

present.When cleaning the unit, it is recommended to wear safety glasses

and gloves.

3. MAINTENANCE

Refer to illustration at right to identify the inner parts

of your unit.

1. Heat or energy recovery core

2. Core filters

3.1 QUARTERLY MAINTENANCE

VD0005

Turn the unit OFF and unplug it.

VD0244

Remove the unit door by following these steps:

A. Remove both door lower machine screws no. 8-32 x 1” (1) and set

aside.

B. Open (2) and lift out the door (3).

VO0191

3. MAINTENANCE (CONT’D)

3.1 QUARTERLY MAINTENANCE (CONT’D)

Slide out both filters (1)

and recovery core (2)

from the unit.

Clean the inside walls of

the unit with a clean damp

cloth, then wipe with a

clean dry one.

Remove dust on filters

and on core using a

vacuum cleaner and a

soft brush attachment.

Washbothcorefiltersunder

lukewarm water with mild

soap. Rinse thoroughly

and let dry completely before reinstalling on the core.

Slide the core and the cleaned filters into the unit.

Reinstall the door. Secure it with both mechanical screws no. 8-32 x 1”

previously removed and plug the unit.

NOTE: The unit will return to its previous setting after a 30-second

delay for boot sequence.

VD0243

CAUTION

Follow the instructions on the core label to reinstall it correctly.

3. MAINTENANCE (CONT’D)

3.2 ANNUAL MAINTENANCE

Do the same operations as the Quarterly Maintenance (Section 3.1), and

clean the recovery core as follows (refer to the core label):

HRV units: Soak the heat recovery core in a mixture of lukewarm water

and mild soap. Rinse thoroughly. Shake the core to remove excess water

and let it dry.

ERV units: Remove the dust on the core using a vacuum cleaner and a

soft brush attachment.

All units: After reinstalling the core, core filters and the unit door, then

clean the exterior hoods.

4.TROUBLESHOOTING

If the unit does not work properly,reset the unit by unplugging it for one minute

and then replug it. If it is still not working properly, refer to table on next page.

WARNING

Shock hazard. Never open the electronic box. No user-serviceable parts

inside. There is a fuse on the electronic board. Never attempt to replace it.

Refer servicing to qualified service personnel.

4.TROUBLESHOOTING (CONT’D)

PROBLEMS YOU SHOULD TRY THIS

1 Unit does not work. • See if the unit is plugged in.

• See if the unit is receiving power from the

house circuit breaker or fuse.

2 Condensation on windows (air

too humid).

•See Controls section on pages 4 to 6.

• Leave curtains half-open to allow air

circulation.

• Store all firewood in a closed room with a

dehumidifier or in a well ventilated room, or

store the wood outside.

• Donotadjustthethermostatofyourheating

system below 64°F (18°C).

3 Inside air too dry (on cold

season).

•See Controls section on pages 4 to 6.

• Temporarily use a humidifier.

4 Air too cold at the air supply

grille (on cold season).

• Check if the exterior hoods are not blocked,

specifically the exhaust air to outside one.

•See Controls section on pages 4 to 6.

• Install a duct heater.

5 The LED of the integrated

control is blinking GREEN.

• There is a problem with the thermistor.

The unit is still working, but will defrost

frequently. Contact your installer.

6 The LED of the integrated

control is blinking AMBER.

• There is a problem with the motorized

damper. The unit is OFF. For a 2½-hour

period, the unit will try to reset the damper

at every 30 minutes. After 2½ hours, if the

problem is not solved, the unit stops trying

to reset damper.

• Contact your installer.

7 The integrated defrost control

push-button does not work.

• The 30-second boot sequence is not

completed, see step 2.1 Integrated Control

on page 4.

If the problem is still not solved, call your installer or the nearest approved Service

Center. Also, you can reach our Customer Service Department or Technical

Support listed below:

Broan-NuTone LLC

• Technical Support

Telephone: 1-800-637-1453

Fax: 1-262-673-8709

• Customer Service Department

Telephone: 1-800-558-1711

Fax: 1-800-356-5862

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