SAVE VTC 700 Heat Recovery Ventilation Unit User
Contents
1. 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 a soft brush Do not use water White spirit can be used to remove obstinate settlements Allow to dry properly before remounting SAVE VTC 700 User Manual 207581 10 Systemair AB Ee Systemair 5 Duct system maintenance 5 1 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 and wash in hot soapy water as required diffusers louvres must not be exchanged Cleaning of diffusers louvres can be done as necessary Pat Ee SST Fig 6 Diffusers and louvres 5 2 Checking the outdoor air intake Leaves and pollution could plug up the air intake grille 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 7 Intake grill 5 3 Checking the roof cowl if fitted The roof cowl if fitted connected to the exhaust air duct needs to be checked at least twice a year and cleaned if necessary SAVE VTC 700 User Manual 207581 11 Systemair AB 5 4 Checking and cleaning the duct system Dust and grease deposits may bui2. how to operate and perform maintenance on the unit and the system it is connected to Si R Fig 1 Right and Left models Table 1 Symbol description Symbol Description lle Supply air Exhaust air Outdoor air Extract air SAVE VTC 700 207581 User Manual Systemair AB 3 Configuration 3 1 Control panel Connect the unit electrically to the mains with the enclosed plug and check that it starts up correctly The control panel is used to make the necessary adjustments An external control panel can be connected on the top of the unit The illustration below shows the control panel with a short description Fig 2 Control panel Position Description Explanation 1 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 ENTER button ENTER menu choices or settings by pressing the button 4 RETURN button Step RETURN in the menu levels and to abort an initiated parameter change and restore the original value by pressing the button SAVE VTC 700 User Manual 207581 3 Systemair AB 3 1 1 Display symbols Symbol Description Explanation Temp Illustrates the current set point for supply air temperature from completely empty to filled symbol Figs X Turn the SELECTION knob to choose temperature 19 C Temp Press ENTER
3. A TIARAS rene nat re nono etat TEES LEARI ACUTIS 7 AA WArmiNGS eea a a te rm ml nn henri ere d tra bi Sega ane iat 7 4 2 Removing the front inspection hatch cece cece cece ence ee ee aaa eerste aa eeeeeeeaaeeeeeeaaeeeeeeeaaeees 8 4 3 Changing Outdoor Extract air filters 0 eee cece cette ee etree eee ee eee tresses aa eeeeseeaaeeeeeeeaaeeeeeed 8 4 3 1 Resetting the filter time EE EE aA AEEA TEAR IAEE EAE ERAS RARAN A 9 4 4 Checking the heat exchanQer cceccecccceerecceaeueeteecceentcecaeueeteeaeedenceccuenedecceeedeneateeedes 9 4 5 Cleaning the Tans seeiis ee adea ei a oie eden AEA e sien dates ind 9 5 Duct system MaintenanCe sieo edana cat saehadeausaebadadesaehasedsae eadadsaesdevedsaeedoaedadeedteueaaesioeus 11 5 1 Cleaning extract louvres and supply air diffusers 0 eee ee cece teeter eeaaeeeeeeeaaeeeeeeaaeeees 11 5 2 Checking the outdoor air intake issus 11 5 3 Checking the roof Cowl if fitted EEEN EAEE 11 5 4 Checking and cleaning the duct system 200 eee cece cece eee eeeeeaa eee eeaaeeeeeeeaaaeeeeeeaaeeeeeeeaaenees 12 6 Trouble SHOOUNG 5584108 nr ne M Rene talent men age aa aces ha eee 13 GTA TN INST Eee ne ER SR ne ar Mme ae tn ren diet nt ts 13 6 2 Type label rara the ctaetenag A td en nd septa dednenshatedaa pia da detente aA aate 14 1 Warnings The following admonitions will be presented in different sections of the document e Make sur
4. Service 2 Enter the service level by typing the password default 1111 Use the SELECTION knob for each digit and confirm with the ENTER button after each set digit and choose No for the system not be locked Password Password XXXX Locked YES NO 3 Go to Week program Service Week program 4 Choose Week program again Week program Airflow 5 Set week day and time you want the unit to be in ON level Two periods per day can be programmed The rest of the time the unit will be in OFF level Week program Day MON Per 1 07 00 16 00 Per 2 00 00 00 00 6 Go back to the previous dialogue frame with the RETURN button and go down to Airflow Week program Set which airflow the fan is supposed to be running in the OFF level choose between OFF Low Nom or High Note If an electrical re heater battery is installed and active and the unit is shut down from the control panel for example by choosing OFF When the unit is in OFF level in the week program the fans will continue to run for 3 minutes to prevent the heater from triggering the over heat protection sensor before they stop Airflow 7 Set which airflow the fan is supposed to be Airflow running in the ON level choose between Low Nom High or Auto On level low nom high auto Off level off low nom high 8 Step back with the RETURN button until you reach the main menu display SAVE VTC 700 207581 Use
5. alled water re heater the setpoints are 12 40 C If the re heater is deactivated the temperature steps are 15 19 C Default value 15 0 C Each temperature step is illustrated by increasing the filling of the temperature symbol and the temperature is shown in the display X 19 C Temp An unfilled temperature symbol will activate manual summer mode See chapter 3 5 3 3 Manual setting of airflow It is possible at any time to manually set the airflow in the main menu display By choosing the fan symbol and confirming it is possible to increase or decrease the airflow in 5 steps Off Low Nom High and Auto By doing so you override the programmed week schedule for the unit until the end of the present time period in the week program chapter 3 4 iPSiX Airflow A Warning It is not recommended to activate manual fan stop set fan to OFF in standard households If manual fan stop is activated the unit should be provided with dampers in exhaust and fresh air ducts to avoid cold draught and risk of condensation when the unit has been stopped The fan can be set to OFF by activating manual fan stop See the Installation and Service manual chapter Service menu overview Manual fan stop SAVE VTC 700 User Manual 207581 5 Systemair AB 3 4 Programming the Week schedule Set the week schedule according to below procedure 1 Go to the service menu by using the SELECTION knob LFX
6. e 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 e The system should operate continuously and only be stopped for maintenance service e The installation of the unit and complete ventilation system must be performed by an authorized installer and in accordance with local rules and regulations e Beware of sharp edges during mounting and maintenance Use protective gloves e All though 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 e Make sure that filters are mounted before starting the unit e This product must only be operated by a person which has suitable knowledge or education within this field or carried out with the supervision of a suitably qualified person A Caution Do not connect tumble dryers to the ventilation system e Duct connections duct ends must be covered during storage and installation SAVE VTC 700 User Manual 207581 1 Systemair AB 2 Introduction The SAVE VTC 700 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 This manual describes basic information
7. ee i Systemalr SAVE VTC 700 Heat Recovery Ventilation Unit User Manual 2014 Copyright Systemair AB Systemair AB can accept no responsibility for possible errors in catalogues brochures and other printed material Systemair AB reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without sub sequential changes being necessary in specifications already agreed All rights reserved 207581 EN_GB C Document in original language AC 17 10 2014 A002 Contents A VWWANIINGS 288 aa AU ceay PS AR Rots ne ne QE em Te eat tinal apes 1 2 introduction RE EE vnereeieniiieeess 2 3 CONNQUrAtION 2 52 nn Men cece ta Rate M A a tas ne ainsi eben 3 3 1 Controlpa el eri ee t ih ate pecan a a aeaa three lieve bey nan eh da 3 3 11 Display SyMDOlS vest nant ant nn Rien ne PURE a a a Tati 4 3 2 Setting the temperature inene rE EE rene EEEE ai near RASTE 4 3 3 Manual setting Of airflow 0 ccceseceeeadeeeeeeeaeeeneeetaceeeeeetasedeeeesueedeeesdeseeeenssudeeeeutaneeeeentabens 5 3 4 Programming the Week schedule 0 ee cece ee cece enter e eee eee eeee aaa eeeeaaeeeeeeeaaeeeeeeeaaeeeeeeeaaeeees 6 3 5 Manual and automatic summer MOE eee eect cece eee ctee ee eeeaaeeeeeeaaeeeeeeeaaeeeeeeeaaeeeeetaaeeees 7 4 Maintenance of the Units ire aeiia does ATI
8. erature 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 DAMP Indicates malfunction in bypass damper 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 Pb Fail Error in connection with relay card for the electrical re heater if installed and activated The alarm is displayed in the control panel The heater will not be activated Contact your installation company or place of purchase Temp Malfunction in one or more of the temperature sensors The alarm is displayed in the control panel Contact your installation company or place of purchase Filter Time for filter change The alarm is displayed in the control panel Change filter according to instructions chapter 4 3 and chapter 4 3 1 SAVE VTC 700 207581 User Manual Systemair AB ee Systemair 6 2 Type label Before calling your service representative make a note of the specification and production number from the type label which can be found on the side of the units next to the external connect
9. ions 1 REA gt SAVE XXX XXX pisan G e CEC is 50 60Hz amp a 2x88w 1670W i i i cA Mi 1846W IP24 69kg E SSS Serial no 123456 654321 0001 20140204 EEEE a a 2 3 4 5 Fig 9 Type label Position Description 1 Product code product specification 2 Product item number 3 Production order number 4 Serial number 5 Production date YY MM DD SAVE VTC 700 User Manual 207581 14 Systemair AB systemair SAVE VTC 700 User Manual 207581 15 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 www systemair com 207581
10. ld 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 gt m wail en 2 mit St Fig 8 Cleaning duct system SAVE VTC 700 User Manual 207581 12 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 Fan Indicates error on either supply or extract air fan The alarm is displayed in the control panel Contact your installation company or place of purchase EMT Frost Indicates triggered overheat protection in case of installed electric re heater battery or frost protection in case of installed water heating or cooling battery A triggered frost protection alarm results in the following Both fans stop 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 temp
11. ome to a complete standstill Beware of sharp edges during maintenance Use protective gloves Make sure that filters are mounted in their place before running the system This product must only be operated by a person which has suitable knowledge or education within this field or carried out with the supervision of a suitably qualified person SAVE VTC 700 User Manual 207581 7 Systemair AB 4 2 Removing the front inspection hatch Remove the front hatch by the use of an 8 mm Allen key after which the hatch is tilted back and lifted off completely Fig 3 Opening the front hatch 4 3 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 4 2 Reset the filter time as described below chapter 4 3 1 Depending on the condition of the filter you might need to change the operation time for the filter Fig 4 Changing of filters SAVE VTC 700 User Manual 207581 8 Systemair AB 4 3 1 Resetting the filter time 1 Go to the service menu by using the selection knob aS Service 2 Enter the service level by typing the
12. password Service n gt Password Use the SELECTION knob for each digit and Locked YES NO confirm with the ENTER button after each set digit and choose NO for the system not be locked 3 Go to Filter period press ENTER Filter period Choose Reset YES with the SELECTION Time to replace 6 9 12 15 month knob and then ENTER Change if necessary Time to replace Reset NO YES X month to the time of your choice with the SELECTION knob and then press ENTER Press the RETURN button until you reach the main menu 4 4 Checking the heat exchanger Even if the required maintenance is carried out chapter 4 3 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 5 Cleaning the heat exchanger should be done when needed but preferably once a year Fig 5 Removing and cleaning the heat exchanger 4 5 Cleaning the fans 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 SAVE VTC 700 User Manual 207581 9 Systemair AB 1 Disconnect the unit from the mains by pulling out A the wall plug 2 Open the side panel by removing 4 screws
13. r Manual Systemair AB 3 5 Manual and automatic summer mode Manual summer mode occurs if no temperature step is selected The temperature symbol on the main menu is then completely empty LS X off Temp If the electrical re heater is activated it will switch off during manual summer mode Manual summer mode goes automatically to step 1 setpoint 12 C after two minutes if the supply air temperature is 5 C or below If a water heater battery is installed and activated the manual summer mode goes automatically to step 1 setpoint 12 C if the outdoor air or supply air temperature is 5 C or below The unit will automatically alternate between winter operation with heat recovery and summer operation without heat recovery 4 Maintenance of the unit Maintenance of the SAVE VTC 700 should normally be performed 3 4 times a year Apart from general cleaning the following should be observed 4 1 Warnings A Danger e 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 e The system should operate continuously and only be stopped for maintenance service e Although the mains supply to the unit has been disconnected there is still risk for injury due to rotating parts that have not c
14. to save the setting Airflow Illustrates the current airflow The airflow can be set manually in 5 steps Off Low Nom High and Auto i X Turn the SELECTION knob to choose airflow Airflow Press ENTER to save the setting A Ventilation off B Low ventilation Can be used when leaving the building for a longer period C Nominal ventilation Will give required air change under normal conditions D Maximum ventilation To increase the airflow if necessary E When demand control is activated fans should go to auto mode and regulate after the pre setting for the demand control settings Service Press ENTER to access the service menu SX Service Alarm Press ENTER to access the alarm list SA Alarm 1 The fan can be set to OFF by activating manual fan stop See service menu description under functions A Warning It is not recommended to activate manual fan stop set fan to OFF in standard households If manual fan stop is activated the unit should be provided with dampers in exhaust and fresh air ducts to avoid cold draught and risk of condensation when the unit has been stopped 3 2 Setting the temperature The supply air temperature is set manually in steps of 1 K in the main menu display by choosing the temperature symbol SAVE VTC 700 User Manual 207581 4 Systemair AB If an electrical re heater is installed the temperature setpoints are 12 22 C For inst
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