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Installation Instructions - The Heat Recovery Centre

1. FAN 1 ae Ri Pa MAINTENANCE MODE FAN WARNING 7 A W A i FILTER INDICATOR ZN I MAINTENANCE BAR INTAKE FAN STATUS __ ANS A gt Ay FAN WARNING animated display Mv INDICATOR MERETE EXHAUST FAN STATUS animated display INTAKE _ ey a EXHAUST HEAT EXCHANGER MAINTENANCE WARNING HEAT EXCHANGER DIGITAL READOUT HEAT EXCHANGER MAINTENANCE BAR 3 1 2 Normal Operation Display Ws A Van EXHAUST FAN STATUS Two fan icons rotate slowly in normal mode cfs ee ef ae and more quickly in boost mode miil INTAKE FAN STATUS animated display HUMIDITY READOUT 3 1 3 Boost Mode included switch icon next to boost mode 3 1 5 Humidity Sensor t a AS ow SS Ov Gs 1 cm 3 1 6 Indicators amp Warnings se aX gs a o 2h Soh 10 RO Ae fa Press boost exit or trigger the switched live input via the installed boost switch wall mounted switch or light switch ii The switch icon appears in the display as indicated iii The fan will then accelerate to the preset boost speed which also activates the DELAY TIMER Bi see below Delay Timer Factory set to 2 mins Bi i If the boost mode is cancelled BEFORE 2 mins the fans will return to normal speed immediately ii If the delay timer expires the icon will appear in the display as opposite Overrun Timer Factory set to 10 mins i If the boost is cancelled when the delay timer i
2. para 2 8 2 after installation 2 3 Condensate It is important that any condensate MUST be drained away The unit is provided with separate drain and blanking plugs installed depending on right left hand configuration The drain plug allows a condensate drain hose 22mm diameter to be push connected and mechanically secured See Fig 1 amp 2 2 3 1 The drain must have a continuous minimum fall of 6mm per 1m run and can either be chased into the wall or run downwards from the unit into the nearest waste water network 2 3 2 In some instances a condensate connecting point will already be provided as part of the building design The position of this point relative to where the HRV1 unit is to be installed should be checked for any connection misalignment and any necessary adjustment made before proceeding any further soe Heat Recovery Unit Condensate _ drain wall mounted installation Fig 2 IMPORTANT NOTE The condensate drain must incorporate a U bend 2 4 Mounting Vertical Installation A template is provided to aid positioning of ducts to unit 2 4 1 The unit is supplied with two fixing brackets Fix one to the wall and the other to the unit and mount the unit 2 4 2 Two levelling screws are provided to ensure vertical installation 2 4 3 Connect the drainage hose to the condensate drain connection and ensure that steps are taken to minimise
3. the risk of mechanical damage to the drainage pipework Run the pipe internally as far as possible and insulate to protect against freezing Condensate drain should terminate to the waste water network or externally 2 5 Duct and Duct Connections Please refer to design drawings 2 5 1 Four 125mm nominal diameter spigots are provided for connection to ducting These must be securely connected to supply and exhaust ducts according to right and left hand configurations see commissioning section to change configuration 4 2 5 2 Flexible or rigid ducting must be used and must fit over the spigots Flexible ducts must be kept to a minimum 2 5 3 Where ducts are exposed in unheated areas such as roof spaces they must be insulated with at least 25mm of insulation 2 5 4 If applicable Fire Dampers MUST BE FITTED in accordance with Part B of the Building Regulations 2 5 5 Rigid Ducting Install using the least number of fittings to minimise resistance to air flow Where possible final connection to grilles and unit should be made with a flexible connection 2 5 6 Flexible Ducting Ensure ducting lengths are kept to minimum and ducting is pulled taut so that it is smooth and straight Where bends are necessary and where ducting is run in restricted areas ensure the ducting is not crushed 2 5 7 The inlet fresh air supply should be directly from the outside If supplied through a wall an external grille should be supplied If supplied throug
4. GREENWOOD AIRVAC Commissioning Data to be completed by installer Date of installation Configuration Left Hand Right hand Factory Setting Normal running speed Factory set to 44 Installed to Boost running speed Factory set to 66 Installed to 05 10 709 Contents 1 MVHR General Description Physical Specifications 2 2 Installation Instructions 3 General Preparation 3 Positioning Application 3 Condensate Drain 4 Mounting 4 Ducting Guidelines 4 Electrical 5 On Site Commissioning 6 9 3 User Homeowner Information 9 LCD Display 9 Normal Boost Operation 9 10 Timer and Humidity Controls 10 Indicators amp Warnings 11 Maintenance Filters Heat Exchanger 11 1 0 General Description Physical Specifications The HRV1 is a ventilation system designed to provide an improved indoor air quality in dwellings As a whole house system the unit continuously extracts air from the non habitable rooms and supplies fresh filtered air to habitable rooms Heat that is recovered from the air drawn from the bathrooms and kitchen is passed through a heat exchanger and the energy that is recovered is transferred to temper the replacement air in habitable rooms to provide a comfortable indoor environment Ancillary Items Required e 125mm Ducting 100mm or rectangular ducting can be used where appropriate e G82 Switch providing switching be
5. con is displayed the fan will run at boost speed until the pre set overrun timer expires il During this time the overrun timer icon will appear on the display as indicated Humidity Sensor Factory set to 65 tt The humidity sensor monitors the humidity of the extracted air at all times If this exceeds the pre set threshold the fans will automatically switch to boost mode and the humidity icon will appear on the display as opposite When the humidity falls below the pre set threshold the overrun timer is activated to further reduce humidity levels Filter and heat exchanger cleaning reminders are shown at all times Once all of the bars have disappeared 1 per month for filters 1 per 4 months for heat exchanger warning symbols will appear on display as opposite pA If a fan fails a warning symbol against the faulty fan will appear on the display as ala opposite S A D ay tem KY ces ty NOTE Warning symbols will sometimes show momentarily whilst fans are TINN e attaining speed This is normal cri B 3 1 7 Maintenance WARNING The HRV1 unit must be disconnected from the mains electrical supply before carrying out any maintenance work MAINTENANCE FILTER WARNING Filters should be cleaned at 6 monthly intervals to ensure the unit works to maximum performance When a six month period has expired the Filter warning indicator will flash on the LCD display Heat Exchanger should be maintained ever
6. ctor box _o Double Pole 3 amp l Isolator Fuse O Ca 230V 1Ph 50Hz l Connector box for mains voltage cabling not supplied 2 8 On Site Commissioning This section covers set up configuration of the unit on installation and altering pre set factory settings For instructions on how to operate the LCD display including initiating the boost mode maintenance options and indicator warning information please refer to the user manual section on page 9 When in the configuration mode press Boost Exit to go back to previous setting or screen and OK to go forward To exit configuration mode at any time press OK repeatedly until normal running screen appears 2 8 1 LCD Display OVERRUN TIMER HUMIDITY SENSOR MAINTENANCE FILTER WARNING DELAY TIMER SWITCHED LIVE MODE Saran See INTAKE FAN ee t A E J VANTENANCE move ENABLE DISABLE WA FILTER MAINTENANCE BAR FAN WARNING A War INDICATOR an S FAN WARNING INTAKE FAN STATUS _ o animated display A Nf N d INDICATOR a Y EXHAUST FAN STATUS animated display EXHAUST HEAT EXCHANGER MAINTENANCE WARNING HEAT EXCHANGER DIGITAL READOUT HEAT EXCHANGER MAINTENANCE BAR 2 8 2 Software Revision Display When power is first applied to the unit it will display all symbols and then briefly show the software revision as opposite The unit will then revert to running mode using factory set speeds 2 8 3 Left and Right Handed Configuration The u
7. eft hand readout will be flashing LO AS ii Alter the intake running speed by using the or buttons accordingly ees eos Ye Ye iii Press OK to select the right hand readout the image will start to flash E UNAN D iv Alter the extract running speed by using the or button accordingly ASC v When adjustment is completed press OK 2 8 5 Altering the Boost Running Speed The boost running speed is FACTORY SET AT 66 for intake and exhaust fans These can be altered in steps of 1 thus you can adjust the fan speed whilst measuring the airflow at the ducting f Following the set up of the normal speed the display should now be as opposite and the left hand readout should be flashing To change the boost speed settings use the instructions as above for the RA RA normal running speed AV rv When desired settings have been achieved press OK when the right hand KS mie ite A readout is flashing and the unit will advance to the run time counter display Meo 2 8 6 Run Time Counters The unit records its run time hours which are displayed in two separate screens as follows The first screen shows years months This example represents O years and 11 months Press OK to advance to the next screen all other buttons have no effect The second screen displays days hours The example below represents 24 days and 13 hours Press OK on this screen to exit configuration mode and return to normal run
8. h a roof a recognised roof terminal should be supplied 2 5 8 The exhaust air must exit to the outside through a wall or roof and must be protected by a wall grille or recognised roof terminal 2 5 9 Inlet and exhaust pipes should be installed at least 2m apart to avoid the cross contamination of airflows 2 7 Electrical WARNING The appliance MUST be earthed All wiring must conform to BS 7671 IEE Wiring Regulations 2 7 1 The unit is suitable for 230V 50Hz single phase supply fused at 3A 2 7 2 The unit is supplied with a mains flexible cord PVC sheathed 4 core brown blue black green yellow 0 75mm connected to a terminal block and exiting through a grommet and cable clamp at the right hand top of the unit 2 7 3 A double pole switch having a minimum contact separation of 3 0mm must be used to provide isolation for the unit 2 7 4 The recommended switch for use with the HRV1 is the Greenwood Airvac GS2 Note The switch terminal markings differ according to manufacturer Remote Switch Positions Function l Normal 1 Both fans running at normal speed unless supply fan is disabled Boost II Both fans running at full speed unless supply fan is disabled ll 2 7 5 The fan speed control must not be mounted above or closer that 1m to the cooker GS2 Fan Speed Control where is could be affected by excessive heat or moisture 2 7 6 Wiring Diagram Flying Lead from HRV1 terminating into external conne
9. ms for consequential loss damage or any costs incurred in the replacement of the faulty Product This Guarantee is offered as an extra benefit and does not affect your statutory right as a consumer All information believed correct at time of going to press All goods are sold according to Greenwood Air Management Ltd s Standard Conditions of Sale which are avail able on request All dimensions in millimetres unless otherwise shown Greenwood Air Management Ltd reserves the right to change specifications and prices without prior notice Copyright Greenwood Air Management Ltd 2006 GREENWOOD AIRVAC Greenwood Air Management Ltd Greenwood House Brookside Avenue Rustington West Sussex BN16 3LF Tel 44 0 1903 771021 Fax 44 0 1903 777122 Email info greenwood co uk Web www greenwood co uk or www partf com an OAliaxis company
10. ning status Note 1 2 3 One month 30 days for the purpose of the run time counter Run time counters are written to memory once a day only so in the event of a power failure the hours only on that day will be lost The run time counters are set to zero at manufacture and cannot be reset 7 2 8 7 Altering Factory Settings Symbols from left to right f is H f Intake fan enable disable Overrun Timer Set Humidity Threshold Set Delay Timer Set Maintenance Factory Settings Altering Factory Setting Options Delay Timer 2 mins 1 5 mins in steps of 1 minute Overrun Timer 10mins 10 30 mins in steps of 5 minutes Humidity Activation Level 65 50 99 in steps of 5 Si to T Le i To adjust the user settings press or buttons accordingly ii The display will illuminate and change to show the following where the left most icon will be flashing iii To select an icon use the and buttons to move left amp right the selected icon will flash iv To alter the selected icon press OK The display will then change to show just the selected icon and the current factory set value except for intake fan disable and maintenance see later sections Examples of screen display as opposite i Each setting can be altered by using the and buttons ii When finished press OK to exit to previous screen or press boost exit to return to normal o
11. nit is factory set as a RIGHT HAND configuration with Fan 1 left Fresh Air Out f and Fan 2 right Stale Air Out To change the configuration Select configuration mode by pressing and HOLDING DOWN OK then press boost exit button pA ic ii Enter Pin Code 1309 by using the and buttons and pressing ok after each digit for access to configuration settings If incorrect pin is entered the normal running screen will return If so return to step 1 1 2 Right hand 2 1 Left hand ii Press the or button to swap the fans and readout on the LCD display f iii When the setting is correct press OK iv Ensure the condensate drain plug and blanking plate are in the correct pipes on the unit in accordance with the configuration eto S A The display should now show the opposite Ai EREE ies Note As it takes a few seconds for the fans to accelerate to A zi a New normal running speeds both fans may show warning symbols S for a few seconds when the unit is first powered up 2 8 4 Setting Normal Running Speed The normal running speed is FACTORY SET AT 44 for intake and exhaust fans These can be altered in steps of 1 thus you can adjust the fan speed whilst measuring the airflow at the ducting Please note that the normal running speeds cannot be set higher than the boost speeds or vice versa boost speeds lower than normal speed Pa To change the configuration to normal speed i Initially the l
12. peration screen Note If no buttons are pressed for 10 seconds the display will revert to normal running mode except in maintenance mode Ul m a CE EIE 2 8 8 Intake Fan Enable Disable The Intake fan supplying replacement air to habitable rooms can be disabled in summer months to reduce the amount of tempered air into the dwelling It can then be enabled during winter months as required Select the intake fan enable disable icon The display will change to show the ICON ONLY gx i Press the button to disable the intake fan W A U ii A cross will appear next to the icon as displayed opposite to show the intake fan 4 AN is disabled A Qe lt gt amp ee ENAA The display will revert to normal operation without any further operator intervention K m rv and the icon with the cross will remain on display In addition the fan blades of the crm es intake fan icon will stop moving and appear as opposite Wt To enable the fan again repeat the operation but press at step 1 above Note All settings are stored in the memory and will NOT be lost in the event of a power failure When power is restored the unit will revert to normal running with all settings unchanged Likewise reminder indicators are NOT reset 3 0 User Homeowner Information The user manual provides an overview 3 1 1 LCD Display OVERRUN TIMER HUMIDITY SENSOR MAINTENANCE FILTER WARNING DELAY TIMER SWITCHED LIVE MODE INTAKE
13. supply of air into the room 2 2 Positioning 2 2 1 The unit must be installed vertically and wall mounted to enable effective condensate drainage in either a service cupboard or secured to a vertical structure in the loft space Duct spigots must be upright at top of unit 2 2 2 Itis not advisable to install the unit directly above a bedroom or living room ceiling or in an area that is part of a living area or bedroom 2 2 3 Consideration must be given to access for servicing maintenance and any fault diagnostics Maintenance on the Heat Exchange and Filters are required at 24 and 6 month intervals respectively 2 2 4 The unit can be configured for right and left hand installation configuration see fig below Stale out Fresh in Stale in Fresh out Fresh out Stale in Fresh in Stale out e je e oj e oJ Right Hand Configuration Left Hand Configuration Fig 1 The HRV1 is factory set for right hand installation The handing of the unit can be changed through the LCD display and does not require any internal changes If alternative configuration is required follow instructions in commissioning section
14. tween normal and boost Physical Specifications Filters Condensate Ports Front 125mm Spigots ls 5 30 A lt C LCD Display 445 495 eee eee 294 5 600 90 75 2 0 Installation Instructions 2 1 General Preparation The HRV1 unit is supplied with 4 x 125mm spigots and template for positioning on ducts to unit for installation 2 1 1 125mm OR 100mm ducting with connectors can be used see ancillary section pg 1 to provide performance levels required for compliance with Building Regulations Please contact Greenwood Airvac Technical Services with any questions 2 1 2 Installation of the HRV1 should be in accordance with the current editions of Building Regulations and BS7671 IEE Wiring Regulations 2 1 3 The design material specification and installation must only be carried out by competent persons IMPORTANT NOTE Gases from fuel burning equipment must not be drawn into any living areas If any room where air is extracted contains a fuel burning appliance such as a central heating boiler then either of the following should be undertaken the flue must be of the room sealed or balanced flue type or allowance must be made for an adequate
15. y iv Press OK once completed Pa Heat Exchanger L Y i The shortest bar of the heat exchanger will now be flashing N p lt ii Use the buttons to increase decrease visible bars on indicator EN a iii Press OK once completed iv The unit will then exit maintenance mode The Guarantee Period This Greenwood product Fusion HRV1 is guaranteed for a period of 2 years from the date of purchase of the Product against fault in manufacture In case of such fault in manufacture apparent during the Guarantee Period Greenwood may at its absolute discretion repair the product replace the product free of charge or refund the cost of the product AS LONG AS AND ONLY IF 1 The Product is returned to Greenwood within the Guarantee Period with evidence of purchase date 2 The Product has not been misused or handled carelessly or used on an inappropriate voltage supply 3 Repairs have not been attempted other than by Greenwood s service staff or authorised dealers and 4 In Greenwood s sole discretion the Product is found to be faulty If it were not found to be faulty the Product would be available for collection from the relevant Greenwood s premises within one calendar month and if it was not collected it would be subsequently delivered by Greenwood and a delivery charge will be made the guarantee This guarantee does not confer any rights other than those expressly set out above and does not cover any clai
16. y f A NY 2 years the heat exchanger warning indicator will flash on the LCD display K Filters LAS A s M o Pull both of the filters out of the unit using the handles Remove the filter covers AV D ZD wash and dry and then replace in unit Crm B Cleaning for Heat Exchanger C KA AN k _ILi Isolate power to the unit before accessing the heat exchanger Remove filters and front cover via 6 screws The heat exchanger can be simply pulled out and washed HEAT EXCHANGER MAINTENANCE WARNING with warm soapy water Once dry replace in original position When Filters and Heat Exchangers Servicing has been completed i To adjust the user settings press and button he y ii The display will illuminate whereby the left most icon will be flashing BSc zu Dy A iii To select an icon use the and buttons to move left amp right the selected icon will flash iv To alter the selected icon press OK V The display will change as opposite NOTE Selecting the Maintenance Function will STOP both fans Both the filter and heat exchanger indicators need amending Pa Filters a D i The shortest bar of BOTH filters indicators will be flashing AN lt gt ii Use the buttons to increase decrease visible bars on indicator za NX gt iii Each bar corresponds to 1 month of run time however you may wish to set a shorter service interval for instance if the environment is very dust

Installation Instructions - The Heat Recovery Centre

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