Venmar K7 ERV User's And Installer's Manual
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USER AND INSTALLER MANUAL
SIDE PORTS
K7 ERV
K8 HRV
K10 HRV*
40E
40H+
50H*
VB0201
INSTALLER: READ THESE INSTRUCTIONS
(44163)
(44153)
(44502)
(44263)
(44253)
(44602)
SAVE THEM FOR USER
RESIDENTIAL USE ONLY
* T
HESE
PRODUCTS
®
STAR
BY MEETING STRICT ENERGY EFFICIENCY
GUIDELINES SET BY
US EPA. T
AND THE
REQUIREMENTS ONLY WHEN USED IN
TOP PORTS
K7 ERV
K8 HRV
K10 HRV*
40E
(44262)
40H+
(44252)
50H*
(44600)
VB0200
ENERGY
EARNED
THE
N
R
C
ATURAL
ESOURCES
ANADA
ENERGY STAR
HEY MEET
C
ANADA
(44162)
(44152)
(44500)
.
21777 rev. 09

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Table of Contents

Troubleshooting

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Questions and answers

Rosemary Reader
May 6, 2025

We live in a newly-renovated apartment Montréal on the second floor. 1. When we are absent for a few days to a few weeks, should we turn off the air exchanger? 2. If we open windows, should we turn off the air exchanger? 3. With a desire to cut outdoor noise and still have fresh and cool air, is it a good idea to put the air exchanger on MAX at night and keep the windows closed? 4. Should we always have the windows closed at all times if we have an air exchanger and heat pump (thermopompe)?

1 comments:
Mr. Anderson
May 18, 2025

The Venmar K7 ERV should operate continuously if the ductwork passes through an unconditioned space, except during maintenance or repair. It should not be used during construction, renovation, or when sanding drywall. Windows do not always need to remain closed when using the unit, but for optimal performance and to minimize outdoor noise, it may be beneficial to keep them closed, especially at night if set to MAX. There is no specific instruction to turn the unit off when away for a few days or weeks, so continuous operation is likely preferred unless maintenance or repair is needed.

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Summary of Contents for Venmar K7 ERV

  • Page 1 USER AND INSTALLER MANUAL SIDE PORTS TOP PORTS K7 ERV K7 ERV (44163) (44162) K8 HRV K8 HRV (44153) (44152) K10 HRV* K10 HRV* (44502) (44500) (44263) (44262) 40H+ 40H+ (44253) (44252) 50H* 50H* (44602) (44600) VB0201 VB0200 INSTALLER: READ THESE INSTRUCTIONS...
  • Page 2 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 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.
  • Page 3: Table Of Contents

    FOR THE INSTALLER ......7 9. WIRING DIAGRAMS .........15 5. AIR DISTRIBUTION ........7 9.1 K7 ERV and 40E Units ........15 6. INSTALLATION .......... 7 9.2 K8 HRV and 40H+ Units ........16 6.1 Locating the Unit ..........7 9.3 K10 HRV and 50H Units ........
  • Page 4: For The User

    For more information about their operation modes, refer to the Main and auxiliary wall control User Guide, VE0220 included with the ventilation unit and also available at www.vanee.ca or www.venmar.ca.  Would you like to receive occasional informational e-mail off ers including Aimeriez-vous recevoir plus de détails sur nos promotions, off...
  • Page 5: Maintenance

    NNUAL AINTENANCE VD0243 Perform Quarterly Maintenance up to step 6, and clean the recovery core as follows: K7 ERV K8 HRV, K10 HRV*, 40H+*, 50H* Remove the dust on the core using a vacuum cleaner and a soft Soak the heat recovery core in a mixture of lukewarm water and brush attachment.
  • Page 6: Warranty

    For the User 4. WARRANTY This ventilation unit is a high quality product, built and packaged with care. The manufacturer warrants to the original purchaser of its product, that such products will be free from defects for the period stated below, from date of original purchase. For all units, the warranty covers parts only against any operational defect.
  • Page 7: For The Installer

    For the Installer 5. AIR DISTRIBUTION CAUTION Before installing this unit, please take the time to carefully read page 2 of this guide to ensure it is installed safely and and properly. ORTS NITS ORTS NITS RESH AIR TALE AIR RESH AIR TALE AIR TO BUILDING...
  • Page 8: Installing The Ductwork And Registers

    For the Installer 6.2 I NSTALLING THE DUCTWORK AND REGISTERS ⚠ 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. •...
  • Page 9: Central Draw Point System - Return Side

    For the Installer 6.2.3 C ENTRAL DRAW POINT SYSTEM ETURN Stale air exhaust ductwork • Same as for fully ducted system (see section 6.2.1) Fresh air distribution ductwork • Cut an opening into the furnace return duct not less than 10 feet (3.1 m) away from the furnace/air handler (A+B) •...
  • Page 10: Installing The Exterior Hoods

    For the Installer 6.3 I NSTALLING THE XTERIOR OODS Refer to the illustration aside to connect the insulated duct to the hoods. Place a “FRESH AIR INTAKE” sticker on corresponding hood. An “Anti- 6” ø Gust Intake Hood” should be installed in regions where a lot of snow is XHAUST (152 expected to fall.
  • Page 11: Connecting The Ducts To The Unit

    For the Installer 6.5 C ONNECTING THE UCTS TO THE NOTE: This unit was designed to be connected to ducts of at least 4” in diameter, but can be connected to bigger sized ducts by using an appropriate transition (e.g.: 4” diameter to 5” diameter transition). CAUTION Make sure the vapor barrier on the insulated ducts does not tear during installation to avoid condensation within the ducts.
  • Page 12: Controls

    VE0272 Use the chart below to verify compatibility with optional controls before making any connection. Main Controls Auxiliary Controls • Altitude • Simple Touch Constructo K7 ERV, K8 HRV, K10 HRV • Deco-Touch • Constructo • 20/40/60-minute push-button timer •...
  • Page 13: Lite-Touch Constructo, Simple-Touch Constructo, Lite-Touch Bronze Or Simple-Touch Bronze

    For the Installer 7.1.3 L 7.1.4 C OUCH ONSTRUCTO IMPLE OUCH ONSTRUCTO ONSTRUCTO OR RONZE OUCH RONZE OR IMPLE OUCH RONZE NO C NC I OC OL Y R G B 5°C 41°F OFF MIN MAX -5°C 23°F -20°C -4°F NO C NC I OC OL Y R G B VE0328A VE0323...
  • Page 14: Electrical Connection To The Furnace

    For the Installer 7.3 E LECTRICAL ONNECTION TO THE URNACE ⚠ WARNING Never connect a 120-volt AC circuit to the terminals of the furnace interlock (standard wiring). Only use the low voltage class 2 circuit of the furnace blower control. For a furnace connected to a cooling system: On some older thermostats, energizing the “R”...
  • Page 15: Wiring Diagrams

    For the Installer 9. WIRING DIAGRAMS 9.1 K7 ERV 40E U NITS WARNING • Risk of electric shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source. • This product is equipped with an overload protection (fuse). A blown fuse indicates an overload or a short-circuit situation.
  • Page 16: K8 Hrv And 40H+ Units

    For the Installer 9.2 K8 HRV 40H+ U NITS WARNING • Risk of electric shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source. • This product is equipped with an overload protection (fuse). A blown fuse indicates an overload or a short-circuit situation.
  • Page 17: K10 Hrv And 50H Units

    For the Installer 9.3 K10 HRV 50H U NITS WARNING • Risk of electric shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source. • This product is equipped with an overload protection (fuse). A blown fuse indicates an overload or a short-circuit situation.
  • Page 18: Service Parts

    For the Installer 10. SERVICE PARTS EPLACEMENT PARTS AND REPAIR In order to ensure your ventilation unit remains in good working condition, you must use the manufacturer genuine replacement parts only. The manufacturer 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.
  • Page 19: Troubleshooting

    For the Installer 11. TROUBLESHOOTING WARNING Risk of electric shocks. Electronic board connections must be checked by qualified personnel only. Please start any troubleshooting by resetting the unit. To do so, unplug the unit, wait one minute, and plug it back. If the issue persists, refer to the table below.
  • Page 20 For the Installer Integrated control Integrated control Unit does not work LED is AMBER and LED is OFF. flashing. • Unplug auxiliary controls • Uplug unit Is the power outlet Have an electrician • Wait 1 minute energized? fix it. •...

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