Heat Recovery Ventilation Unit Systemair SAVE VTC 300 User manual
Contents
1. systemair SAVE VTC 300 Heat Recovery Ventilation Unit User Manual 207233 EN_GB 25 01 2011 V A 002 Contents LA WARMING SR Petes danenet E AN EE 1 2 Introduction manette menant Janine man riNe Rate ie 2 SiInterface desCription s3s ts denses ennemie en aeea iaaea iiaa a aea ddvceendiideaeeedivenate 3 3 1 Control panel hentai RA E EREE metiers eee teen alien s 3 3 2 DISplay SYMbOIS scarier iare ann nn nn Stade el 4 4 MEMUSOMINGS is ois 8 mcm mare dite uma nbatee unten ones ne Fee ent ee ed eee ee 5 4 1 Setting of temperature iii 5 4 2 Manual setting of fan speed issus 5 4 3 Manual summer MOode 1 84282 0 redire tal ANANE EENE EAEEREN EAEE 5 S Maintenance RS E des en ctegh UG eantee E EA E dented 6 D 1 WANMINGS EE E E ccencdauteecdsuedennadvscarsdadearsadestenadwicgenddvddenciacuegceddestenadantiaadaeattegen 6 5 2 Changing Outdoor Extract air filters ss 6 5 2 1 Resetting the filter time ss 7 5 3 Checking the heat exchanger is 7 54 Cleaning the fans mpraet anna aa aea desire aa aiaa aaa a ane eee 8 5 5 Removing the Inspection door sise 9 5 6 Cleaning extract louvres and supply air diffusers cececeee cece eeeeeeeeeeeeeeeeaeeaeeneeeeeeeeaaeaees 10 5 7 Checking the outdoor air intake si 10 5 8 Check roof COW iarsin niinniin aiaa iai ia ii aaea tens E eana ai daaa 10 5 9 Checking the duct system 11 6 Trouble Shot Ng arenis E2. E R EE EE A E ee 12 il Ale MS A ne E E EEEE A A eee 12 1 Warnings The following admonitions will be presented in the different sections of the document Make sure that the mains supply to the unit is disconnected before performing any maintenance or electrical work All electrical connections and maintenance work must be carried out by an authorized installer and in accordance with local rules and regulations A Warning The system should operate continuously and only be stopped for maintenance service The installation of the unit and complete ventilation system must be performed by an authorized installer and in accordance with local rules and regulations Beware of sharp edges during mounting and maintenance Use protective gloves Although the Mains supply to the unit has been disconnected there is still risk for injury due to rotating parts that have not come to a complete standstill Make sure that filters are mounted before starting the unit This product is not intended to be used by children or people with reduced physical or mental ability or lack of experience and knowledge if no instruction concerning the use has been given by the person responsible for their safety or that this person is supervising the operation Children should be supervised so that they can not play with the product A Caution e Do not connect tumble dryers to the ventilation system e Duct connections duct ends must be covered during
3. purchase The alarm is displayed in the control panel Change filter according to instructions chapter 5 2 and chapter 5 2 1 User Manual Systemair AB SAVE VTC 300 User Manual 207233 13 Systemair AB Systemair AB reserves the right to make changes and improvements to the contents of this manual without prior notice Systemair Systemair AB Industriv gen 3 SE 739 30 Skinnskatteberg Sweden Phone 46 222 440 00 Fax 46 222 440 99 207233
4. storage and installation SAVE VTC 300 User Manual 207233 1 Systemair AB systemair 2 Introduction The SAVE VTC 300 is a heat recovery ventilation unit with a built in counter flow plate heat exchanger There are two model options right R and left L model figure 1 The different models are recognized by the control panel which is situated on the right side of the unit in an R unit and on the left side in an L unit This manual describes basic information how to operate and perform maintenance on the unit and the system it is connected to Fig 1 Right and Left models Table 1 Symbol description A Supply air P ES SAVE VTC 300 User Manual 207233 2 Systemair AB systemair 3 Interface description 3 1 Control panel The control panel is built into the unit on either the left or right hand side panel sections of the VTC 300 The control panel is always situated on the same side of the unit as the supply air connection figure 1 Below illustration shows the control panel with a short description figure 2 Le S EEE S Fig 2 Control panel Position Description Explanation Display Shows symbols menus and settings 2 Selection knob Move through the menu lists or change settings and values by turning the knob left or right 3 Confirm button Confirm menu choices or settings by pressing the button 4 Back button Step back in the menu levels by press
5. with the selection knob confirm Change Time to replace 9 month if necessary to the time of your choice with the selection knob confirm Step back until you reach the main menu display by pressing the back button 5 3 Checking the heat exchanger Service Password 1111 Service Change password Filter period Date Time Filter period Reset NO Time to replace 9 month Even if the required maintenance as described in is carried out chapter 5 2 dust will build up in the exchanger block It is therefore of vital importance for the upkeep of a high efficiency that the exchanger block is removed from the unit and cleaned periodically as illustrated below figure 7 Cleaning the heat exchanger can be done every 3 years Fig 7 Removing and cleaning the heat exchanger SAVE VTC 300 207233 User Manual Systemair AB 5 4 Cleaning the fans systemair Even if the required maintenance such as changing of filters is carried out dust and grease may slowly build up inside the fans This will reduce the efficiency The fans may be cleaned as illustrated in below procedure 1 Disconnect the unit from the mains by pulling out the wall plug 2 Remove the cover plates 3 Disconnect the fast couplings 4 Loosen the bracket holding the fan and pull the fan out carefully 5 Clean the fan using a cloth or
6. a soft brush Do not use water White spirit can be used to remove obstinate settlements Allow to dry properly before remounting SAVE VTC 300 207233 User Manual Systemair AB 5 5 Removing the Inspection door In case the unit is installed in a tight space it might be necessary to remove the inspection door to perform cleaning and maintenance Remove the door according to below procedure 1 Disconnect the unit from the mains by pulling out the wall plug 2 Remove the cover plate of the bypass damper motor 3 Disconnect the modular plug from the modular jack situated behind the bypass damper cover plate 7 4 Unscrew the door from the hinges SAVE VTC 300 User Manual 207233 9 Systemair AB 5 6 Cleaning extract louvres and supply air diffusers The system supplies fresh air to your home and extracts the used indoor air via the duct system and diffusers louvres Diffusers and louvres are mounted in ceilings walls in bedrooms living room wet rooms WC etc Remove diffusers and louvres figure 8 and wash in hot soapy water as required diffusers louvres must not be exchanged Cleaning of diffusers louvres can be done as necessary y Fig 8 Removing diffusers and extract louvres 5 7 Checking the outdoor air intake Leaves an
7. ch step increase is illustrated by increasing the filling of the temperature symbol sx Temp Fig 3 Temperature symbol 4 2 Manual setting of fan speed It s possible at any time to manually set the fan speed in the main menu display By choosing the fan symbol and confirming figure 4 it s possible to increase or decrease the fan speed in the 3 steps Low Nom and High By doing so you override the programmed week schedule for the unit until the end of the present time period in the week program NE Fan speed Fig 4 Fan speed symbol 4 3 Manual summer mode Manual summer mode for VTC 300 occurs if one step lower than 12 C is selected temperature symbol on the main menu is completely empty figure 5 This means that the bypass damper opens If the re heater is active it will switch off during manual summer mode Manual summer mode aborts automatically after two minutes when the supply air temperature is lt 5 C If water heater battery is installed and activated the manual summer mode is aborted if the outdoor air or supply air temperature is lt 5 C Fig 5 Symbol for manual summer mode SAVE VTC 300 User Manual 207233 5 Systemair AB systemair 5 Maintenance Maintenance of the SAVE VTC 300 should normally be performed 3 4 times a year Apart from general cleaning the following should be observed 5 1 Warnings Make sure that the Mains supply to the unit is disconnected before performing any
8. d pollution could plug up the air intake grille figure 9 and reduce the capacity Check the air intake grille and clean as necessary It is recommended to do this at least twice a year Fig 9 Outdoor air intake grill 5 8 Check roof cowl The roof cowl if fitted connected to the exhaust air duct needs to be checked at least twice a year and cleaned as necessary VTC 300 User Manual 207233 10 Systemair AB 5 9 Checking the duct system Dust and grease settlements may build up in the duct system even if required maintenance such as changing of filters is being carried out This will reduce the efficiency of the installation The duct runs should therefore be cleaned changed when necessary Steel ducts can be cleaned by pulling a brush soaked in hot soapy water through the duct via diffuser louvre openings or special inspection hatches in the duct system if fitted It is recommended to do this every 5 years and is normally carried out by authorized companies specialized in this area Fig 10 Cleaning the duct system SAVE VTC 300 User Manual 207233 11 Systemair AB 6 Trouble shooting 6 1 Alarm list Error is warned with text and warning triangle in the display Turn menu selector to the warning triangle and press 2 x confirm Alarm Explanation Do the following EMT Frost DAMP SAVE VTC 300 207233 Indicates error on either supply or extract air fan Indicates triggered overheat protection in cas
9. e of installed electric re heater battery or frost protection in case of installed water heating or cooling battery Indicates malfunction in bypass damper Error in connection with relay card for the electrical re heater if installed and activated Malfunction in one or more of the temperature sensors Time for filter change 12 The alarm is displayed in the control panel Contact your installation company or place of purchase A triggered frost protection alarm results in the following e Both fans stop e Outdoor and exhaust air dampers close e Water valve opens completely 10 V signal goes out to the actuator The unit will restart once the water temperature reaches 5K over set frost protection temperature A triggered over heat protection gives an alarm in the control panel Reset by pushing the red button on the front of the heater If the problem continues contact your installation company or place of purchase The alarm is displayed in the control panel The unit will not be able to use the bypass damper for defrosting i e stop defrosting will be initiated if a re heater is installed and activated Contact your installation company or place of purchase The alarm is displayed in the control panel The heater will not be activated Contact your installation company or place of purchase The alarm is displayed in the control panel Contact your installation company or place of
10. ing the button SAVE VTC 300 User Manual 207233 3 Systemair AB 3 2 Display symbols Fan speed Illustrates the current set fan speed The fan speed can be set manually in 3 steps min nom and max by turning the selection knob and confirming with the confirm button after completed setting IX panpe Low ventilation A Can be used when leaving the building for a longer period Nominal ventilation B Will give required air change under normal conditions High ventilation C To increase the airflow if necessary Temp Illustrates the current set temperature The temperature setting is done in 5 steps from completely empty to filled symbol and can be changed manually by turning the selection knob Temp Confirm the setting with the confirm button chapter 4 1 and chapter 4 3 Service Access to the service menu by pressing the j af yz confirmation button Access to the alarm list by pressing the confirm button SAVE VTC 300 User Manual 207233 4 Systemair AB 4 Menu settings 4 1 Setting of temperature The supply air temperature is set manually in 5 steps in the main menu display by choosing the temperature symbol figure 3 If an electrical or water re heater is installed the temperature steps are 12 0 14 5 17 0 19 5 and 22 0 C Default is 12 0 C If the unit is used without any re heater installed the temperature steps are 15 0 16 0 17 0 18 0 or 19 0 C Default is 15 0 C Ea
11. maintenance or electrical work All electrical maintenance work must be carried out by an authorized installer and in accordance with local rules and regulations A Warning e The system should operate continuously and only be stopped for maintenance service Beware of sharp edges during maintenance Use protective gloves e Make sure that filters are mounted before starting the unit 5 2 Changing Outdoor Extract air filters The filters cannot be cleaned and must be changed as necessary This is normally done 1 2 times per year depending on the air pollution at the installation site When it s time to change the filters an alarm is shown in the control panel display When this occurs do the following 1 Change filters as shown in below illustration figure 6 2 Reset the filter time as described below chapter 5 2 1 Depending on the condition of the filter you might need to change the operation time for the filter Fig 6 Changing of filters SAVE VTC 300 User Manual 207233 6 Systemair AB 5 2 1 Resetting the filter time 1 Go to the service menu by the use of the selection knob 2 Enter the service level by typing the password Use the selection knob for each digit and confirm with the confirm button after each set digit 3 Go down to Filter period confirm 4 Choose Reset YES
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