iECO 4 RANGE - Kair Ventilation
Contents
1. upper side 225 m3 h 325 m 3 h 100 Summer Bypass Valve The heat recovery unit has a Summer bypass valve which is completely integrated in the unit The bypass valve diverts the air supply completely around the heat exchanger This means the exit air from the dwelling does not heat this fresh air Inlet fresh air exthaust warm air from house exhaust warm air to atmosphere bypass valve J inlet fan exhaust fan exthaust warm air from house inlet fresh air to house Especially during summer nights this bypass valve is desirable because the outside temperature is often lower than the temperature inside The fully automatic temperature controller makes sure the bypass valve being opened when e The inside temperature is higher than required not adjustable e The inside temperature is higher than the outside temperature The outside temperature is for a longer period gt 19 C period depends on the exact temperature Both the inside and the outside temperature is measured inside the 4 by two integral sensors Frost Protection Device To prevent the heat exchanger from freezing a unique mechanism is standard in the iECO 4 This mechanism consists of a valve integrated on the upper part of the unit Inlet fresh air intake warm exhaust cold air air via frost to atmosphere protection valve exthaust warm air fro2. to read these manuals before installing or using the unit If required the installation manual can be obtained from Itho Ventilation Limited prior to delivery of the unit Easy access Maintenance The maintenance of the unit involves only the following e Clean the filters when the dwelling is completed These filters may be dirty because of building materials e Clean the filters every 6 to 9 months e Replace the filters at least once a year e Clean the heat exchanger every six years e Depending on the pollution also clean the motor and fan blade G4 filter New filters are available in sets Spare parts can easily be exchanged without tools e The filters can now be changed without taking the cover off e The heat exchanger can also be reached by removing the front cover e The complete service module motors fans power supply and controls can be removed or replaced without disconnecting the ducts e Data can be read by connecting a laptop with service software Warranty The unit has a guarantee period of 2 years from date of installation Accessories A heat recovery system consists of different components The heart is the iECO 4 More information about ducting and other system components can be obtained from Kair Ventilation Ltd Electrical Connection The iECO 4 be connected to a 230V 50Hz supply A flying lead is attached to the unit as standard When in
3. to every conceivable damp related problem from prevention to eradication We manufacture products and equipment proven to be able to totally eradicate dampness condensation and mould growth from buildings Our innovative products include Energy Saving Heat Recovery ventilation systems which are the most cost effective way to totally eradicate condensation and mould growth problems from buildings The systems work no matter how severe the problem how complex the design lay out how densely populated the dwelling or how varied the lifestyle of the occupants They also provide a health dividend in that they produce a continuous drying out process and create dramatic improvements in the quality of the internal air supply Kair Ventilation Limited offer customised and off the shelf ventilation solutions which simple to install and use energy with unparalleled efficiency Anywhere in the world where you need ventilation or suffer from damp and condensation Kair has the answer Kair provide comprehensive domestic commercial light industrial solutions for dampness amp rot condensation amp mould along with electric heating product ranges backed up by service and support that you can count on iECO4RANGE powered by Itho Kair Ventilation Ltd Unit 6 Chiltonian Ind Est Manor Lane Lee London SE12 OTX Available from A Tel 08451 66 22 40 H F Fax 08451 66 22 50 E mail info kair co uk VENTIL
4. 00 wanable 100 wanable 100 wanable These figures are entew into ether 1 Inthe case of SAP Sotware amended to Heat exchange eficency Energy Saving Trust Best Practice Pe fonran SAP 2005 version 9 81 allowing direct entry of hfe HR data the SAP sotu are or 1 inthe case of SAF sotware amended to SAP 2005 wersion 9 51 not allowing direct entry oth HR data the SAP MYR Calculation 5 preadsheet wie and the results tram the spreadsheet into the Spedal Features part ofthe SAP 9 51 or Inthe case of SAP sotware to 54 P 2005 version 4 30 the SAP Calculation spreadsheet 19 50 and the results fom the spreadsheet into the special Features part ofthe SAP 9 50 software They must NGT be entered directhy into SAP 2005 verdon 9 80 software 4 a credit to continued technological advancements The Energy Saving Trust s Best Practice standards along with The Code for Sustainable Homes both offer valuable guidance toward sustainable home building and offer the industry the chance to exceed Government targets and to aspire to go that extra mile Following years of experience in having to meet continually tightening demands we always aims to stay one step ahead and continues to offer ventilation solutions that exceed current expectations 13 Kair Ventilation Limited established in 1997 offers a unique range of products that provide solutions
5. ATION LIMITED Web www kair co uk
6. CTIONS SUPPLY TO DWELLING LOW RISE BUILDING DETAIL CROSS SECTION SUSPENSION TOP VIEW SCALE 1 1 RIGHT HAND SIDE VIEW BACK SIDE VIEW CONDENSATE DISCHARGE BOTTOM VIEW 10 Building Regulations The 2006 Edition of the UK Building Regulations Approved Document F1 The system provides quiet uninterrupted extract ventilation from the dwelling Means of Ventilation applicable in removing warm stale air via all of the England and Wales details four clearly wet rooms creating a permanent air defined systems of ventilation to path through the property from the dry dwellings System 4 Continuous habitable rooms mechanical supply and extract with heat recovery MVHR is complied with by the new iECO 4 RF ultra high efficiency whole house heat recovery ventilation system System 4 Continuous Mechanical Supply amp Extract with Heat Recovery requires a minimum high rate in each wet room to be achieved kitchen 13 I s and both utilities and bathrooms 8 I s sanitary only 6 1 5 In employing this type of system there is no need to install background ventilators in the dwelling an ideal solution to noisy sites The minimum low rate is calculated by taking the number of bedrooms in the dwelling and applying the I s value from Table 1 1b In addition the rate should be no less than 0 3 1 5 per m of internal floor area all storeys plus for each additional occupant ove
7. Kair VENTILATION LIMITED IECO 4 RANGE Continuous Mechanical Supply and Extract Ventilation with Heat Recovery Appendix Q Eligible Application This high efficiency MVHR unit is ideal for all new build dwellings especially those being built to a higher standard of air tightness Description The iECO 4 is a high efficiency heat recovery unit It has a sophisticated counter flow heat exchanger which can recover up to 91 of the heat from the discharge air This recovered heat is used to pre heat the fresh air being brought in from outside Models The table below lists the models available Housing The units for houses and apartments Table 1 Appliance iECO 4 WWHW Whole House Hard Wired Connections to the dwelling Exhaust bottom upper side bottom have the same design The only differences are in the layout of the duct connections and motor modules With units for houses the air supply is situated at the lower part of the unit In units for apartments the air supply is situated at the upper part The motor module seals the opposite connection The connections on both the lower part of the unit and the upper part can be used for air extract Unused connections are sealed with a cap Because of the unique patented clamp construction of the iECO 4 the sealing of the different parts will be optimised Therefore there will be no internal or external leakage The unit can be eas
8. an be added at any time A better indoor a climate by optimal control Type RS3i built in Installing RF Control Unit To install the RF control switch unit in the kitchen just adhere the control unit on to a tile with the supplied double sided adhesive tape Alternatively the control unit can also be fixed with a screw Each unit is supplied with an installation and user manual Do not place the RF control switch on a metal surface Additional RF Control Switch Information e Transmission range 100m in free air e Transmission indoors is possible through a maximum of 2 concrete floors Wiring Diagrams iECO 4 fan 4 BV4 BV H Green Yellow 230V 50 Hz supply With an RS3i Speed Controller e Pointing of transmitter towards the fan is not necessary e No external antenna e Frequency 868 MHz no licence required Timer Function A timer function is also included on the RF control switch This timer can be used to switch the ventilation to the highest speed for a period of time for instance after an occupant has used the bathroom The advantage is that after the run on period of the timer the fan will revert back to its original speed Pressing the timer button once will Green Yellow switch the fan to high speed for 10 minutes Pressing the timer button a second time will switch the unit to high speed for 20 minutes and a third press of the b
9. ed storage room e an airing cupboard Mounting The unit must be fixed with the mounting bracket to a wall with a mass of no less than 200 kg m Points of Attention To ensure a good installation please pay attention to e Moisture resistent insulated exhaust duct to outside min internal diam 150 mm e Damp proof thermal isolated fresh air inlet duct from outside min internal diam 150 mm e Air inlet duct to dwelling min internal diam 150 mm which can be split up in two ducts internal diam 150 mm e Exhaust duct from the dwelling min internal diam 150 mm e Apply the provided sound insulating flexible pipe type FGD 180 50 D 180mmm L 500mm between the air supply to the dwelling and the unit e Condense drain with water seal replenishable for a water block between the unit and the place where the unit is mounted and the waste pipe e Mains supply must be 230V AC Access to the Unit The unit should be located so that it can be easily accessed for servicing To enable easy servicing of the filters and heat exchanger there must be a space of not less than 50 cm in front of the unit Important Make sure that nothing is placed on top of the automatic frost protection valve As when the valve opens a foreign object falling in would prevent the mechanism from working A Installation and User Manual The installation and user manual are delivered with the unit Make sure
10. f Dwellings the Standard Assessment Procedure SAP Appendix Q website www sap appendixq org uk is a UK based Government led initiative used to demonstrate compliance with building regulations within the following areas Part L England and Wales Section 6 Scotland and Part F Northern Ireland providing energy ratings for dwellings that can be compared nationally Here are the relevant independent BRE test results for the iECO 4 As featured in the Energy Saving Trusts Demonstrating Compliance Best Practice in order to meet reduced 2 emission targets MVHR units have been set certain standards and must have a specific fan power SFP of 1 0 W L s or less and a heat recovery efficiency of 85 or above These figures have been both reached and exceeded by the Stan dard Assessment Procedure Appendix Product Data 2571052009 Resdts for SAP calculations at minimum flowrate condition This producthas only been tested with ngid ductwork and the data are notappicable 2AF calculations it installed with texible ductwork Table G2 Systeme with rigid ductwork only Exhaust terminal configuration Kitchen 1 additional wet room kitchen 2 additional wet rooms kitchen 3 additional wet room kitchen 4 additional wet room Kitchen 5 additional wet rooms Kitchen additional wet rooms Kitchen T additional wet 100 wanable 100 wanable 100 wanable 1
11. ily reversed when dwelling designs are mirrored Exhaust upper side Connections to atmosphere upper side Weight As a result of the unique clamping construction in combination with the plastic synthetic elements the weight of the heat recovery unit iECO 4 is only 25 kg Exhaust and Supply Connections All exhaust and supply connections have an internal diameter of 150 mm and external 180 mm The connections can be used to attach modular plastic and metal ducts accessories directly Each connection is stamped with an embossed indicator which shows both the direction and source of the air Counter Flow Heat Exchanger The unique heat exchanger is based on the principle of counter flow One of the characteristics of this heat exchanger is that the incoming and outgoing air is moving via triangular canals Thus each canal is surrounded by canals in which the airflow is opposite This creates an enormous surface area to exchange heat This special construction is one of the reasons why up to 91 thermal efficiency can be reached Inlet and exhaust capacity Standard 225m h 325m h Pressure iECO 4 WHRF Whole House Radio Frequency bottom upper side bottom upper side upper side 225 m3 h 325 m h iECO 4 APHW Apartment Hard Wired upper side upper side upper side upper side 225 m3 h 325m2 h iECO 4 APRF Apartment Radio Frequency upper side upper side upper side
12. m 3 h 150 Pa 19 31 47 57 54 47 42 59 Breakout 150 m 3 h 80 Pa 13 26 42 45 45 39 30 50 Breakout 75 m 3 h 20 Pa 5 19 31 31 31 26 15 36 Exhaust 325 m 3 h 150 Pa 41 43 55 54 51 44 30 59 Exhaust 275 m 3 h 150 Pa 39 41 54 52 48 41 27 57 Exhaust 225 m h 150 Pa 37 38 53 50 46 37 23 56 Exhaust 150 m 3 h 80 Pa 32 33 47 42 38 29 16 49 Exhaust 75 m 3 h 20 Pa 28 26 27 22 19 12 15 33 Inlet 325 m 3 h 150 Pa 45 57 64 69 68 62 58 73 Inlet 275 m 3 h 150 Pa 46 56 63 69 66 60 55 72 Inlet 225 m3 h 150 48 55 63 69 64 58 52 71 Inlet 150 3 h 80 Pa 45 50 55 57 52 46 39 61 Inlet 75 m h 20 Pa 40 40 40 38 36 30 19 46 Capacity qv dm3 s 10 20 30 40 5 70 80 go 100 no F 400 200 w 350 175 K 5 2 Q 300 v U 5 250 125 200 100 150 75 100 50 a a Ne k o 2 50 75 100 126 150 175 200 225 250 275 300 325 350 375 w 1 capacity min me 2 capacity low m 3 capacity middle 4 capacity high 5 capacity max 6 power min asasena 7 power low nn 8 power middle sas t Qpowerhigh O enna 10 power max Dimensions Suspension Mirrored suspension 600 848 848 Oe 5xo5mm A gt 4 gt 5x 5mm 480 480 e a DEFROST VALVE ACCESS TO CLEAN BYPASS FILTER 7 FRESH AIR INTAKE FROM ATMOSPHERE EXHAUST TO ATMOSPHERE AIR FILTERS SUPPLY TO DWELLING HIGH BUILDING EXTRACT FROM DWELLING ELECTRICAL CONNE
13. m house WTW valve inlet fan _ exhaust fan exthaust warm air from house inlet warm air to house The automatic frost protection device works as follows e The valve is open modulating and extracts some air from the area in which it is installed The air is mixed with the fresh air e At the same time the supply fan will increase fan speed to keep the fresh air volume at the same level e When the temperature drops the supply fan will decrease fan speed variably until a minimum is reached e Whilst the temperature is still decreasing the exhaust fan will speed up and the supply fan will slow down e With extreme low temperatures the supply fan is turned off the frost protection device will be closed but the exhaust fan will keep on working After approx 1 5 hours the air supply fan will start at a minimum speed and the frost protection valve will be opened to check whether the danger of freezing is gone When the temperature rises all above mentioned steps will be carried out in reverse order All the above procedures will be carried out automatically Removing the Heat Exchanger Motors The iECO 4 is provided with two energy efficient DC motors The impellers have backward curved blades which help to keep it clean maximising the capacity of the supply and extract fans Capacity Setting In the connection unit of the iECO 4 are two potentiometers which allow for adju
14. nd ventilators CONTINUOUS SUPPLY AND EXTRACT high rate from Table 1 1A 1 Determine the whole building required with System 4 ventilation rate from Table 1 1B Allow 3 The required air flow rates are as for infiltration by subtracting for multi follows Maximum Extract Rate boost Table 1 1A Room Minimum Intermittent Extract Rate Continuous Rate Minimum high rate Minimum low rate Kitchen 30 1 adjacent to hob or 60 1 5 elsewhere 13 I s Total extract rate Utility Room 30 1 5 8 1 5 must be at least the whole building Bathroom 15 1 5 8 1 5 Sanitary Accommodation 61 in table 1 1B Table 1 1 Number of bedrooms dwelling 1 2 3 4 5 Whole Building Ventilation Rate l s 13 17 21 25 29 Minimum value in any dwelling of 0 3 1 s per m floor area In addition the minimum ventilation rate should not be less than 0 3 1 5 per m internal floor area this includes each floor e g for a two storey building add the ground and first floor areas This is based on two occupants in the main bedroom and a single occupant in all other bedrooms This should be used as the default value If a greater level of occupancy is expected then add 4 I s per occupant SAP Appendix Q Eligible The iECO 4 is SAP Appendix Q Eligible proving it to be one of the most energy efficient MVHR units available Designed to calculate the energy performance o
15. r and above the anticipated two for the first bedroom and one for each of the others a further 4 1 5 must be added to the extract rate Also there is an addition of an allowance to be calculated for air infiltration Air drawn into the property by the fan is routed through an integral high efficiency synthetic heat exchanger where warmth from the extracted air is transferred to the incoming fresh air before it is supplied to the habitable rooms Building Regulations System 4 CONTINUOUS MECHANICAL SUPPLY amp EXTRACT VENTILATION WITH HEAT RECOVERY continuous balanced mechanical central supply and extract system to be positioned in loft or cupboard space An integral heat exchanger recovers a large percentage of heat energy that would have otherwise been lost In employing storey dwellings 0 04 x gross internal volume of dwelling heated space for single storey dwellings 0 06 x gross internal volume of dwelling heated space m is the greater step of 1 and 2 above The minimum individual room extract rates should be at least those given in Table 1 1A for minimum high rate Minimum air supply rate should be at least the this type of system there is no need to whole building ventilation rate in 1 install background ventilators in the 2 Calculate the whole dwelling extract above dwelling rate at maximum operation by adding the individual room rates for minimum 4 No backgrou
16. stalling the unit a double pole isolation switch must be fitted with a minimum contact gap of 3mm Since the unit is double insulated it does not need to be earthed As standard the electrical connection on the unit is positioned on the left hand side When the unit is reconfigured for opposite installation the electrical connection will be positioned on the right hand side Control The heat recovery unit iECO 4 can be ordered with a choice of optional control units e Wired 3 step control e Wireless RF 3 step control unit with timer Wired 3 way switch This wired control unit can be connected to the connection box of the unit see wiring diagram RF 3 Speed Controller mQ 2 3 o o 1 10 5 RF speed Control If the heat recovery unit is provided with a wireless radio frequency remote control switch The receiver for the control signal is fitted into the fan during factory production The switch which has a self adhesive backing should be located in the wet rooms most likely the kitchen or bathroom within the house and can switch the unit between speed position one two and three Additional transmitters are available to allow the fan to be controlled from more rooms the utility room en suites etc The last used switch is the master Advantages of Wireless Control e No drilling fixings or electrical wiring is necessary e Control from every room is possible e Additional switches c
17. stment of both the low speed and high speed The mid position is an automatically calculated value between low and high The factory setting for high position is 225 m 3 h To ensure the best energy efficiency this potentiometer should not be touched unless the required volumes cannot be reached when room grilles are set in their fully open position Filters The iECO 4 has as standard two G3 filters One of the filters is placed between the exhaust duct from the house and the heat exchanger The filter ensures that dust and grease are absorbed and the heat exchanger will become less dirty The other filter is situated between the fresh air inlet and the heat exchanger This filter ensures that fresh air is filtered before it is supplied into the dwelling It also prevents the heat exchanger from becoming dirty Both filters can be easily removed cleaned and replaced by the occupant without the need to remove the front cover Appendix Q Eligible The iECO 4 has been tested at BRE and is certified as being an Appendix Q Eligible product This means that the test results which are available on www sap appendixq org uk can be used to help improve SAP rating Installing The heat recovery unit iECO 4 is designed to be installed in different types of dwellings from small apartments to larger houses The unit can be placed in different places in the dwelling like e In the loft in a closed room e a clos
18. utton will switch the unit to high speed for 30 minutes The timer function can be over ridden at any time by pressing either of the three speed buttons iECO 4 fan 4 BV 1 BV H 1 Low 2 Middle High 1 230 50 Hz supply With a 3 way switch by others Technical Specifications gt J VP gt p 4 Capacity Pressure Power Current Voltage Cos phi Technical m3 h Pa W A V _ efficiency Step 1 Min 50 10 10 0 07 230 0 63 98 Step 1 Low 75 20 14 0 094 230 0 65 98 Step 2 Medium 150 40 39 0 32 230 0 53 96 2 Step 2 Medium 150 80 45 0 37 230 0 54 96 2 Step 3 High 225 100 86 0 69 230 0 54 94 Step 3 High 225 150 100 0 79 230 0 55 94 Step 3 High 275 100 121 0 95 230 0 55 93 Step 3 High 275 150 139 1 09 230 0 55 93 Step 3 Max 325 100 172 1 32 230 0 56 92 Step 3 Max 235 150 200 1 45 230 0 58 92 Values to be used in the EPC calculation at 230V according to NEN5128 Other technical specifications Power supply 230V Condensate discharge diameter Frequency 50Hz Protection Dimensions height 848mm Filterclass width 730mm depth 479mm 40mm external IP31 G3 Technical Specifications Sound Power Spectrum 63Hz 125Hz 250Hz 500Hz 1000 2 2000 2 4000 2 total Breakout 325 m h 150 Pa 22 36 49 56 58 55 50 62 Breakout 275 5 150 Pa 20 24 48 57 56 51 46 60 Breakout 225
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