user manual - Heatrae Sadia
Contents
1. 1 Low trickle 2 Middle 3 Boost 3 1 Remote speed control hard wired supplied separately The speed selector switch does not require any maintenance Manual speed selector You are able to select a speed by hand gt itho 11 3 2 Remote speed control wireless supplied separately The ITHO RFT remote controller has been equipped with a long life battery type VARTA CR2032 Li Mn 3V Under normal circumstances the battery life time will be approximately 10 years RFT wireless remote controller You are able to select a speed by pushing button 63 Low trickle speed Middle Boost X Timer function itho 12 Every time you push the timer function 3 3 Frost protection button the unit will be switched to boost speed for 10 20 30 minutes After this time the set speed returns automatically to the Note former speed In case of very low outside temperatures In case the former speed was Boost then for more than 24 hours the fan motor will the speed returns to low automatically switch off for several minutes to avoid a frozen heat exchanger It will restart itself when the temperature has risen gt itho 13 4 Commissioning The installer is responsible for commis sioning the required air volumes rates for every room in compliance with the current local regulations for England and Wales this is the Domestic Ventilation Complia2. itho 4 1 1 Configuration The Advance has been developed for apartments and small houses with approximately 100 125 m h balanced exhaust and supply air volumes It can be fitted as a wall floor or ceiling mounted unit for example in the space of a kitchen cupboard Dimensions 597 mm width x 280 mm depth x 760 mm height Note Read this manual carefully Failure to follow these instructions may cause an adverse effect on your health Leave these instructions in the unit gt itho 5 1 2 Itho conditions Itho does not accept any liability for damage caused by non observance of the installation instructions Service activities must exclusively be carried out by Itho or by suitably qualified competent persons using original Itho parts 4 itho 6 13 Serial number date of commissioning and scheduled service intervals Serial number Date of commissioning Installers company name Service call telephone number Next service filter replacement interval 1 date 2 date 3 date 4 date 5 date 6 date 7 date 8 date 9 date 10 date gt itho 7 2 Safety 2 1 General A Always disconnect the electric power cord from the mains before you remove the motor part e Do not use this appliance for functions other than those described in this booklet Never touch the appliance with wet or
3. Itho Advance lt itho Climate for life Contents 1 2 Introduction 1 1 Configuration 1 2 Itho conditions 1 3 Serial number date of commissioning and scheduled service intervals Safety 2 1 General 2 2 Liability of the user Description controller functions nano DA so 00 009 10 3 1 Remote speed control hard wired 10 3 2 Remote speed control wireless 3 3 Frost protection 11 13 4 Commissioning 5 7 4 1 Manual potentiometers low and boost speed 4 2 Middle speed Trouble shooting 5 1 FAQ s Maintenance 6 1 Cleaning 6 2 Filter replacement Guarantee Subject to changes without notice No rights can be derived from this user manual 15 15 18 18 18 20 lt itho 3 1 Introduction Indoor air quality and energy efficiency are very important considerations in dwellings today The Itho Advance Heat Recovery Ventilation Unit has been developed to meet these demands and offers controlled and better ventilation for a healthy and comfortable indoor climate in full compliance with current building regulations while regaining the heat to an efficiency of up to 90 For the home owner or occupant This document explains the working principle of the ventilation system and how to operate and maintain this unit Never switch off the ventilation by disconnecting the power cord from the mains supply Except for service and maintenance intervals
4. damp hands or when barefoot Do not store inflammable products in the neighbourhood of the unit The unit is only suitable for 230 VAC 50Hz electric mains Never modify the fan or electronics by yourself Never plug in the power cord if the motor part is not placed into the unit itho 8 4 2 2 Liability of the occupant user Note g e The grilles should always be placed back e Cleaning or replacement of the filters NN a in their original location and position in the Advance unit at the correct g If the grilles are changed or placed time See chapter 6 2 Maintenance D SA in a wrong position the ventilation e Cleaning the grilles in the rooms at volumes will no longer be correct and regular intervals A Replace the filters on time the ventilation system might not work properly Always disconnect the electric power cord when carrying out any Filter pollution could damage your health maintenance lt lt itho 9 3 Description controller functions Your Advance heat recovery unit has been You are able to switch the unit 3 speed equipped with a high performance heat e Low continuous recovery exchanger so there is no need to e Middle extra comfort if there are reduce the air volumes in order to thermal more persons in the dwelling energy However reducing noise and saving e Boost cooking and bathing electricity is also an important issue gt itho 10
5. depending on A Remove the plastic cover lt itho 18 B Remove the filter from the unit C Clean the filter with a vacuum cleaner gt itho 19 7 Guarantee Warranty The Advance warranty is valid for 3 years after the installation date Disclaimer e This warranty does not apply to e Disassembly and assembly costs e Faults which are caused by incorrect treatment negligence or accident e Faults that have been caused by repairs by third parties without authorisation from ITHO UK Ltd If the appliance does not function correctly or a fault occurs please contact your installer or service technician immediately Ensure that only genuine spares are used for repairs gt itho 20 Notes Notes Notes Itho UK Ltd Unit 52 Basepoint Business Park Metcalf Way Crawley West Sussex RH11 7XX T 44 0 845 250 8090 F 44 0 845 250 8091 E info itho co uk www itho co uk
6. n boost speed at cooking time e The filters are polluted clean or replace both filters e The grilles are dirty clean all grilles Il Near the unit e Condensate trap below the unit is empty fill it up with water e The flexible condensate hose is not completely in the condensate trap push it in deeper Ill Near the supply air grilles e The unpleasant air comes from outside not a ventilation fault but to be sure check and clean supply air filter gt itho 16 e Too much condensation in the bathroom g No speed change after pushing the button e Too low exhaust air volume switch on the RFT remote controller on boost speed while showering or e Replace the battery in the remote bathing Check and clean filters controller type CR2032 Li Mn and grille h If the problem persists report the details f Water leakage near the unit to your installer or service technician e Condensate trap is clogged clean it e Condensate flexible hose is clogged or twisted clean it and replace it into the trap itho 17 4 6 Maintenance 6A Cleaning the Advance unit environmental pollution from industry or outside covers traffic and also the activities in the house Keep the unit surface free from dust 6 2 Filter replacement For the user maintenance is limited to cleaning and replacing the filters These will need to checked annually and either cleaned or replaced This may differ per situation
7. nce Guide 4 1 Manual potentiometers low and boost speed A Do not change the manual potentiometers on the Advance unit it has been set by the installer in accordance to the required air volumes 4 2 Middle speed Middle speed has been set in the controllers software by the manufacturer and cannot be changed lt itho 14 5 Trouble shooting 5 1 FAQ s e The condensate trap below the unit has a too low water level fill it up a The fan has been switched off with water unexpectedly e The flexible condensate hose is not e Mains voltage failure check the completely in the condensate trap Fuse Spur or in the distribution push it deeper board cabinet meter cupboard Il Rattling noise coming out the unit e Plug in the power cord e Fan motor fault please contact your e Frost protection active wait for installer or service technician 120 minutes and the fan will be III Swishing sound coming out of the switched on grilles b The unit makes a lot of noise e There is too much air pressure drop Gurgling noise coming out the unit in the duct and grilles clean both filters in the Advance unit and the gt itho 15 grilles in the rooms and check if the grilles are in their original position c want to switch off the unit at night e Not possible you also need fresh air during the night d Unpleasant smell I smell the cooking in the whole house e Air extract rates are too low switch o
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