Advertisement

Quick Links

VA32
User Manual
www.ebac.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VA32 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Ebac VA32

  • Page 1 VA32 User Manual www.ebac.com...
  • Page 2 Warnings & Safety Information Do not install this product in areas where the following may be present or occur: • Excessive oil or a grease laden atmosphere. • Ambient temperatures higher than 40°C & lower than -10°C. • Corrosive or flammable gases, liquids or vapours. •...
  • Page 3: Table Of Contents

    Contents 1.0 Product Description ....................Features ..........................Box Contents ......................... 2.0 Unit Installation ........................ Service Void ........................Wall Mounting ........................ Floor Mounting ......................Condensate Drainage ....................Electrical Installation ....................Port Allocation ......................Unit Interface Touchscreen ..9 ................
  • Page 4: Product Description

    Product Description The product mentioned throughout this document is a Mechanical Ventilation with Heat Recovery unit. The unit is designed to continuously extract and supply fresh, filtered air to houses and similar dwellings. The unit conforms to the latest Building Regulations, Part F, 2010. The unit is designed to extract stale humid air from locations such as kitchens, bathrooms and utility rooms.
  • Page 5: Features

    Product Description Features 100% filtered summer bypass Fan flow rate 243m³/h @ 100Pa Wall mount or free standing EC forward curved fan G4 90% supply & extract air filter Lift off hinged door Condensate drain Touchscreen controller 32mm foam insulation SMART Mode Summer Purge Silent Hours...
  • Page 6: Unit Installation

    Unit Installation Service Void Before installation, we advise installers to fix all mains and touchscreen wiring along with any internal accessories prior to fixing the MVHR unit in position, leaving approximately 500mm tails to allow for internal wiring. See section 2.7.1 for wiring details Installation should be carried out by a suitable qualified and competent person.
  • Page 7: Wall Mounting

    Unit Installation Wall Mounting Dowels / wall plugs for mounting are not included. Suitable dowels should be used for the chosen wall mounting surface. Consideration should also be given to the weight of the unit. Ensure the bracket is level. A card template is provided as part of the packaging to help locate mounting holes.
  • Page 8: Floor Mounting

    Unit Installation Floor Mounting The unit should be elevated 150mm to give clearance and access to the condensate drain assembly Adjustable feet supplied with the unit should be tuned to ensure the unit is sitting level Drainage Void Condensate Drainage Condensate drainage is required to drain away moisture collected inside the heat exchanger.
  • Page 9: Electrical Installation

    Unit Installation Electrical Installation POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT. THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN. THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER’S LABEL ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY THIS UNIT MUST BE CORRECTLY EARTHED...
  • Page 10 Unit Installation Electrical Installation Route wiring through cable glands and into the control box. CABLE GLANDS MUST BE TORQUED TO 2.5NM TO ENSURE CABLE IS ADEQUATELY SECURED Touchscreen Controller Port Allocation 1 Port Allocation 2 Mains Supply (L,N,E) Connect mains supply to terminal blocks located on PCB Mains - Live ENSURE THE GROUND LEAD TAIL IS A Mains - Neutral...
  • Page 11: Port Allocation

    Unit Installation Port Allocation The unit can be switched to a predetermined mode automatically from a 240V signal. The unit has two 240V inputs to customize the unit. Example The unit can be set to switch to boost mode when the light switch to a bathroom is pressed. Port 1 Port 2 220-240 V AC 50Hz Input...
  • Page 12: Unit Interface Touchscreen

    Unit Installation Unit Interface Touchscreen Included with the unit is a touchscreen controller. All control user interactions are to be carried out through this device. The controller also gives live user feedback showing Indoor Air Quality (IAQ) readouts such as humidity, temperature and eCO2. The controller must be connected to the unit for operation.
  • Page 13: Touchscreen Installation

    Unit Installation 2.7.1 Touchscreen Installation Description Purpose Quantity Secure PCB and screen Pozi Screwdriver inside of backbox Secure backbox to wall. Drill Optional drill hole in bottom of box Secure backbox to wall. 6mm Drill Bit Optional drill hole in bottom of box Dependant on instillation.
  • Page 14 Unit Installation Secure touchscreen backbox to wall Drill or push out plastic to show 2x mounting holes. Ensure communication cables is routed inside of box before mounting to wall Note: Mounting screws and wall plugs not included Connect communication cable to PCB Screening ground point (optional) Note: Colours used only to identify wire orientation...
  • Page 15 Unit Installation Secure screen to backbox with the provided screws Assemble front cover to the backbox Rotate screen back and bend the top clips inside of the backbox Rotate screen back and bend the side clips inside of the backbox Locate and hook bottom lugs into the backbox...
  • Page 16: Commissioning & Setup

    Commissioning & Setup Unit Commissioning Boost Smart Indoor Outdoor Once the unit and satellite screen are fully installed, the unit 21.9°C 5.2°C can be powered up. Tap the “Menu” icon located in the top left corner to navigate to the Menu page Note 1000 The screen goes into a standby mode after 2 minutes.
  • Page 17 Unit Commissioning Figure 1 SUPPLY Bedroom 2 Bedroom 1 Hallway Lounge Ceiling 1. Fully close or temporarily seal shut all supply vents apart from the vent which is furthest away from the MVHR unit 2. Toggle the supply fan speed to 100%. Using a hooded anemometer, measure the air flow and input it into the touch controller Figure 2...
  • Page 18 The outdoor temperature is the minimum air temperature that the bypass will permit. This is to prevent cold draughts. SMART MODE SETUP SMART mode is a unique feature to Ebac. See section “4.4.3 SMART Mode” for further Water Removal (L/Day) information on the mode.
  • Page 19: Technical Data

    Technical Data Unit Spares Description Part No. Front Cover Assembly VAA010 EC 120MM FORWARD CURVED FAN VAC101 G4 Filter VAC107 VAC148 Brushseal Sensor Assembly VAC019 Control + Power PCB VAC120 Heat Exchanger 325mm VAC120 125mm Spigot VAC106 Wall Bracket Assembly VAA007 Lift off Hinge VAC134...
  • Page 20: Touchscreen Spares

    Technical Data Touchscreen Spares Description Part No. Touchscreen Controller VAA021 Screen Back Box VAC034 Screen Front VAC033 Magnet BYC463 Screen Mounting Screws BIC501-01 PCB Mounting Screws VAC137 PCB to Screen Ribbon Cable VAA100 3.5" Touchscreen VAC108 Control PCB VAC128...
  • Page 21: Product Fiche

    Technical Data Product Fiche Name Ebac Ltd Model ID (Stock Ref.) Model ID (Stock Ref.) The annual The annual heating SEC Value Energy Class Climate Zone electricity consumption saved (kWh/m (SEC) (AEC) (kWh) (AHS in kWh) 1.93 46.15 Average -41.99 90.28...
  • Page 22: User Modes

    It is likely that in certain conditions the unit will never reach those set points, resulting in the unit over ventilating. Ebac understand that in most instances, the removal of 1-2 litres from a dwelling cures condensation and dampness.
  • Page 23: Summer Purge

    Technical Data 4.4.4 Summer Boost “Summer Boost” is a timer designed for warm summer evenings. The design intent for this mode is to encourage as many Air Changes per Hour (ACH) as possible, hence exhausting warm air and replacing it with cooler air from outside the dwelling to make it more comfortable.
  • Page 24: Fan Curve

    Technical Data Fan Curve 100% Air flow rate (m³/h) Acoustics Ventilation Static Supply Extract Exhaust Outside Case Flow Rate Pressure Duct Duct Duct Duct Radiated (m3/h) (Pa) dB(A) dB(A) dB(A) dB(A) dB(A) 62.2 51.4 62.3 51.1 39.1...
  • Page 25: Default Settings

    Technical Data Default Settings SETUP SILENT HOURS 00:00 Time (hh:mm) SMART Maximum Mode 00:00:00 Date (dd:mm:yy) Purge Port Allocation (SW1) 00:00 00:00 Purge Port Allocation (SW2) FAN FLOW RATE SETUP SUMMER BOOST Supply Extract Purge Mode m³/h m³/h 00:00 00:00 NORMAL MODE SETUP SUMMER BYPASS SETUP Supply...
  • Page 26: Troubleshooting

    Troubleshooting IF UNIDENTIFIED NOISES OR ODOURS SHOULD ARISE AND IN CASE OF DEFORMATION OF ELEMENTS, VIBRATION, TERMINATION OF AIR SUPPLY/ EXTRACTION OR REDUCED SYSTEM PERFORMANCE, IMMEDIATELY DISCONNECT THE UNIT FROM POWER SUPPLY AND CONTACT THE SELLER FOR THE VENTILATION SYSTEM DIAGNOSTICS. DIAGNOSTICS MUST BE CARRIED OUT BY QUALIFIED SPECIALISTS.
  • Page 27: Maintenance

    Maintenance Periodically the unit requires maintenance to ensure the system is performing to the designed intent and to a level that provides adequate ventilation. The unit has been designed in a way that allows for easy maintenance. Smart Indoor Outdoor Tap the “Menu”...
  • Page 28: Filter Service

    Maintenance Filter Service POWER OFF THE POWER SUPPLY PRIOR TO OPENING OR REMOVING THE FRONT PANEL FOR SERVICE/ MAINTENANCE Unclasp the retaining clips and hinge the front panel down. Note The front panel is secured to the unit using lift off hinges. If access is limited, slide the front panel to the right and it will lift away.
  • Page 29: Full Service

    Maintenance Filter Service SERVICE Apply mains power to the unit Reset Filter Service (Days) Reset Service (Days) Inside of the “Service” screen, press “Reset” icon to restart the service timer. FAULT Full Service POWER OFF THE POWER SUPPLY PRIOR TO OPENING OR REMOVING THE FRONT PANEL FOR SERVICE/ MAINTENANCE Unclasp the retaining clips and hinge the front panel down.
  • Page 30 Maintenance Full Service Remove both the supply and extract filter by gentry pulling on the tabs of each filter. Gently clean by tapping or using a vacuum cleaner. Remove the heat exchanger by gently pulling on the PP band. Clean the heat exchanger using a mixture of warm water and a mild detergent.
  • Page 31 Maintenance Pour water into the drain pan ensuring that there are no obstructions and the water drains away. Inspect the fan motors for any debris or build up of dust on the impeller blades which could cause imbalances. Vacuum of clean if necessary Inspect the inside of the unit and remove any debris or dust by cleaning of using a vacuum cleaner Inspect all unit fixings and wall fastenings to ensure they...
  • Page 32 Ketton Way, Aycliffe Business Park, Newton Aycliffe, County Durham, DL5 6SQ, United Kingdom Tel: +44 (0)345 805 0000 customer.services@ebac.com This product should not be disposed of with household waste. Please recycle where facilities exist. Check with your local authority for...

This manual is also suitable for:

Va32lVa32r

Table of Contents