Venmar AVS Constructo 1.0 HRV, AVS Constructo 1.0 ERV, AVS C12 ERV, AVS C12 HRV User Manual

USER GUIDE

HEAT RECOVERY VENTILATORS MODELS

AVS C

ONSTRUCTO 1.0 HRV AND AVS C12

ENERGY RECOVERY VENTILATORS MODELS

AVS CONSTRUCTO 1.0 ERV AND AVS C12 ERV

PLEASE READ AND SAVE THESE INSTRUCTIONS

Venmar Ventilation ULC, 550 Lemire Blvd., Drummondville, QC, Canada J2C 7W9

www.venmar.ca

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.

21785 rev. 02

VB0203

AVS C12 ERV

(Top ports, model no.: 41556)

AVS Constructo 1.0 HRV

(Top ports, model no.: 41502)

AVS Constructo 1.0 ERV

(Top ports, model no.: 41506)

VB0204

AVS C12 ERV

(Side ports, model no.: 41554)

AVS Constructo 1.0 HRV

(Side ports, model no.: 41500)

AVS Constructo 1.0 ERV

(Side ports, model no.: 41504)

AVS C12 HRV

(Top ports, model no.: 41552)

AVS C12 HRV

(Side ports, model no.: 41550)

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 home.

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.

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 the unit, and we

would appreciate hearing your comments on ways to better serve you.
Please forward all correspondence to us at the address indicated on the product registration

card included with this guide.

CAUTION

Make sure at all times that the outdoor 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 (if available), 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.

2

WARNING

!

CAUTION

REPLACEMENT PARTS AND REPAIR

In order to ensure your ventilation unit remains in good working condition, you must use
Venmar Ventilation ULC genuine replacement parts only. The Venmar Ventilation ULC
genuine replacement parts are specially designed for each unit and are manufactured
to comply with all the applicable certification standards and maintain a high standard of
safety. Any third party replacement part used may cause serious damage and drastically
reduce the performance level of your unit, which will result in premature failing. Venmar
Ventilation ULC also recommends to contact a Venmar Ventilation ULC certified service
depot for all replacement parts and repairs.

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.
If the ductwork runs 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). At least
once a year, the unit mechanical and electronic parts should be inspected by
qualified service personnel.

CAUTION

TABLE OF CONTENTS

3

1. D EFROSTING MODE . . . . . . . . . . . . . . . . . . . . . . . . 3

2. C

ONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

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

2.2 BOOT SEQUENCE . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 OPTIONAL MAIN AND AUXILIARY CONTROLS . . . . . . . . . . . . . . . 5

3. MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

3.1 QUARTERLY MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . 6-7

3.2 ANNUAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . 7

4. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 8

1. D EFROSTING MODE

When the outdoor temperature is below -5°C (23°F), heat (or energy) recovery creates frost in
the core.

To maintain its proper operation, the unit is programmed to defrost its core. The defrost
frequency varies according to the outdoor temperature.

During the defrost cycle, the dampers close and the unit turns on high speed.
After defrosting, the unit returns to the operating mode selected by the user.