- Vectaire
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1. WHHR125DC Aera Residential Whole House Heat Recovery Unit with Low Energy DC Motor Installation Operating and Maintenance Instructions O O oe _ a u 5 ill Mi WHHR125DC AERA WHOLE HOUSE HEAT RECOVERY UNIT INSTALLATION AND OPERATING amp MAINTENANCE INSTRUCTIONS Safety Notice It is important to read this Instruction Manual carefully before installing or using the product Following these instructions will ensure that your ventilation system is installed commissioned and used properly and continues to operate effectively Vectaire will not be held responsible and will not accept liability for any dam age caused to persons or property through failure to follow the guidance provided in this manual It should always be available with the product for easy reference WHHR125DC Aera 5 125mm spigot for dwellings up to 150m max capacity 26Om hr General Information The Vectaire WWHHR125DC Aera heat recovery system provides whole house mechanical ventilation to living areas bedrooms kitchen Cooled a and bathrooms It extracts stale contaminated air from kitchens a t utility rooms and bathrooms and uses the heat recovered from this l g i air to warm fresh incoming air to create a flow of fresh filtered air throughout the dwelling The extract and intake air streams are separated to avoid contamination Incoming The majority of the heat2. is reclaimed from extracted air and used via the heat exchange process to warm incoming fresh air The system will operate continuously to create a stable comfortable healthy environment avoiding the use of excessive energy and saving heat already generated The heat recovery unit must be installed vertically and will generally be J sited in the loft of a house or the void above the ceiling in an Aemed apartment or in a cupboard lt will be connected by hidden ductwork fresh air to vents sited in the ceilings of the rooms which are to be ventilated Each unit is commissioned individually so that the amount of air moved is tailored to suit the performance required There will be a facility to boost the extraction rate when desired e g when cooking or bathing or when pollutant levels rise This may be done automatically or manually The system is designed to run continuously and should NOT be switched off except for maintenance or filter replacement It is important to follow the advice in this user manual and correctly install and maintain the system to ensure a healthy and comfortable indoor environment Features e SAP Q Eligible whole house heat recovery units giving continuous ventilation in the kitchen and up to six additional wet rooms using rigid ducting e low noise levels e variable choice low trickle soeed and boost options for optimum setting at installation e boost speed can be triggered by a switched live connecti
3. provided for the Frock air connection of ducting These are clearly marked for correct Cooled connection of the supply and exhaust ducts outgoing Stale PERN POS ran ete t Where ducting is installed in an unheated space all of the ducts Sare a oe aay should be insulated Where ducting is installed in a heated space only the cold ducts should be insulated i e the supply duct from outside and the extract duct from the unit to the outside The duct layout must be designed to suit the requirements of the ventilation heat recovery system and building layout Where rigid duct is used it should be installed using the least number of fittings to minimise air flow resistance Where possible final connection to the grilles and unit should be made with a flexible connection Where flexible ducts are used ensure that lengths of ducting longer than necessary are not used the duct is stretched so that it is smooth and straight where bends are necessary they have large radii ie avoid sharp bends the duct is not crushed if in a restricted area Where ducting passes through a fire partition suitable fire dampers must be installed to prevent the transmission of fire through the duct Electrical Connection WARNING these appliances must be earthed and all wiring must conform to current IEE Regulations and all applicable standards and Building Regulations The unit is suitable for 230V SQHz Single phase supp
4. eat exchanger to the outside Another fan draws in cool fresh air and passes it through the same heat exchanger where it heated by the outgoing stale air the air flows do not mix When the unit is set up and running the minimum setting on the speed control switch must relate to the designed volume air flow The variable air flow from minimum to maximum allows the unit to extract a greater volume to cope with any increase in the build up of condensation or foul air ie cooking etc Before starting the commissioning procedure refer to the design rating for correct air flows N B extract and supply air volumes will not always be equal When setting up therefore the extract system should be the datum Commissioning Procedure Ensure that the exhaust and supply grilles or valves are open Turn the electrical supply ON and set the fan speed control to TRICKLE Check the air flows at the grilles or valves and adjust to suit the design figures by turning the centre of the valve clockwise to decrease the airflow and anticlockwise to increase the airflow If the airflow is still not correct proceed as follows turn the electrical supply OFF remove the electrical cover locate the trickle speed adjustment see Wiring Diagram above and adjust as required turn the electrical supply ON Re measure the air flows at the grilles or valves as detailed above and repeat the procedure until the correct air flows a
5. ly fused at 3A The unit is supplied with a mains rated 4 core flexible cord black brown grey and green yellow A triple pole isolation switch with contact separation of at least 3mm must be used to connect the appliance to the fixed wiring when using the Switched Live Boost controls must not be located within 1 metre of a cooker or where they may be affected by excessive heat or moisture Boost controls should be clearly identified and conveniently located The boost switch wiring cable access is via a 12mm cable gland boost speed can be triggered by a switched live connection from a variety of external devices including PIRFF passive infra red DRH240 dynamic remote humidistat THM thermostat a light switch if more than one light switch is used each one must be a double pole switch aremote switch pull cord PIRFF DRH240 and THM may have integral over run timer which controls the length of time that the fan will continue to operate at its boost speed after the boost has been switched off ill Mi Green Yellow Earth Grey Neutral Black p Switched Live I OPTIONAL REMOTE BOOST SWITCH VOLT FREE cable amp switch supplied by others TRICKLE SPEED BOOST SPEED ADJUSTMENT ADJUSTMENT G Fast sco cllow Far ack g o preo Por _ ello Commissioning The unit operates by extracting warm stale air from kitchens WCs bathrooms etc and passing it through a h
6. on from a variety of external devices including PIRFF passive infra red DRH240 dynamic remote humidistat THM thermostat alight switch if more than one light switch is used each one must be a double pole switch aremote switch pull cord PIRFF DRH240 and THM may have integral over run timer which controls the length of time that the fan will continue to operate at its boost speed after the boost has been switched off e Installation MUST be carried out by suitably qualified personnel and MUST be in accordance with current IEE regulations Installation ITIS IMPORTANT THESE INSTRUCTIONS ARE READ FULLY BEFORE INSTALLATION This product should not be used for any purpose other than that for which it was designed and as shown in this leaflet All packaging should be removed and the unit checked for damage in transit If there is any damage please contact your supplier The WHHR125DC Aera will be installed vertically and generally be fitted into a cupboard loft or ceiling void In order to comply with Construction Design amp Management Regulations sufficient access for safe maintenance recommended on an annual basis or removal following installation MUST be provided for this product See dimensions diagram Regulations and current Building Regulations In order to comply with these it may be necessary to fit fire dampers or other similar devices Flue gases from fuel burning equipment must no
7. re achieved switch the fan speed to boost and ensure that airflows increase Adjust the Boost Speed setting to the desired value Cleaning and Maintenance WARNING The unit uses a 230V supply and contains rotating mechanical parts Before carrying out any maintenance or cleaning operations the mains electrical supply MUST be disconnected To clean the filters and heat exchanger The air filters and heat exchanger of the Vectaire WWHHR125DC Aera should be cleaned regularly by a suitably qualified person the frequency UL of cleaning will vary depending on the installation environment atime SY L MN ai i Pi ee p e Remove the access panel e Slide out the filters that are fitted either side of the heat exchanger as shown e Clean the filters carefully using a vacuum cleaner e Carefully remove any dust from the face of the heat exchanger using a vacuum Cleaner Never use water or any other fluids to clean the heat exchanger e Return the heat exchanger and filters to their original position e Replace the front cover e Power to the unit can now be restored Filter Replacement Filters should be replaced annually or after a maximum of 3 cleaning cycles Replacement filters are available from Vectaire call us on 44 0 1494 522333 or via sales vectaire co uk Vectaire Ltd Lincoln Road Cressex Business Park High Wycombe Buckinghamshire HP12 3RH Tel 44 0 1494 522333 Fax 44 0 1494 522337 Email sales vec
8. se the mounting bracket as a template to mark the three fixing hole centres 2 Check fixings supplied which are for a solid wall are suitable for your installation For a different type of mounting surface ensure appro priate fixings are used Drill holes for fixings 3 Fit wall plugs into drilled holes 4 Mount the fixing bracket to the wall ensuring the interlocking side is at the top as shown 5 Mount the unit by locating the bracket on the back of the unit securely over the mounting bracket 6 Fix the lower safety bracket as shown Screw and plug supplied are for solid wall check that this is appropriate for your installation see 2 above Installation Drain Assembly e A drain MUST be connected to allow condensation to be removed from the unit e The drain connection is made via the 15mm connection on the base of the unit The drain must discharge into the household drainage system via a U bend which must act as an air lock 7 The unit has two drain condensation outlets with two fittings and bungs to seal off one of the outlets 8 In UK climate conditions the S1 condensate drain should be used 9 Seal off the outlet S2 and remove the bung from S1 10 Attach a 15mm condensate pipe using a compression fitting IMPORTANT NOTE The drain must incorporate a U bend to prevent air penetration Duct and Duct Connections refer to design drawing Incoming 4 x 125mm nominal diameter spigots are
9. t incomine be drawn into a living area If any room from which Cooled fresh air air is extracted contains a fuel burning appliance outgoing such as a central heating boiler then its flue must stale air a be of the sealed or balanced flue type or allowance must be made for an adequate supply of air into the room The unit must NOT be installed where there is excessive oil or grease where there are hazardous gasses liquids or vapours that are flammable or corrosive in ambient temperatures above 40 C or lower than O C in areas of excessive humidity or in a wet environment Where possible the unit should NOT be installed directly above a bedroom or living room The condensation drain MUST be fitted Care should be taken to ensure that ducting is free from blockages External grilles should be located a minimum of 600mm from any flue outlet in accordance with all Regulations The unit must be connected to a 230v 50Hz single phase electrical supply fused at 3A Stale Fresh air in air out A triple pole isolation switch with contact separation of at least 3mm must be used to connect the appliance to the fixed wiring when using the Switched Live The product should only be connected to the mains electricity supply or electrical outlet if your electrical voltage and frequency correspond to those shown on the rating label the capacity of your electricity supply is sufficiently powerful to operate the prod
10. taire co uk WHHR125DC AeraJuly 2012 E amp O E
11. uct at its maximum power If one of the spigots is not connected to ducting a safety grille MUST be fitted to that spigot so that it is impossible for any moving part to be touched Installation of the appliance MUST be carried out by a qualified and suitably competent person and should be carried out in clean dry conditions where dust and humidity are at minimal levels The unit is not suitable for installation to the exterior of the dwelling Installation Transportation packaging and storage prior to installation e Care should be taken when transporting the unit Dropping or knocking will damage the inner workings of the unit e The unit should always be stored in a clean dry environment e Remove all packaging before installation Pre inspection e Inspect the unit and electrical supply cord for any damage damage must be repaired by a suitably qualified and competent person e Check all parts are supplied as shown Parts list 1 x Vectaire WHHR125DC Aera unit 1 x Wall mounting bracket 1 x Safety bracket 2 x 15mm Drain connectors 4 x M6 screws and wall plugs 1 x self tapping screw 1 x Installation Operation amp Maintenance Instructions Any parts shortages or faults must be reported to the Supplier immediately Installation mounting 1 Mark a horizontal line on the wall using a spirit level This line will be approximately 12mm above the location of the top face of the unit when fitted excluding duct ports and u
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