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Heat Recovery Ventilation Unit Systemair SAVE VTC 700 User manual

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1. aim in TE AEEA A EA ba 12 O Alam ISL i k A A u 12 1 Warnings The following admonitions will be presented in the different sections of the document A Danger 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 AM 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 AM Caution Do not connect tumble dryers to the ventilation system e Duct connections duct ends must be covered du
2. an 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 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 9 and wash in hot soapy water as required diffusers louvres must not be exchanged Cleaning of diffusers louvres can be done as necessary Fig 9 Removing diffusers and extract louvres 5 7 Checking the outdoor air intake Leaves and pollution could plug up the air intake grille figure 10 and reduce the capacity Check the air intake grille and clean as necessary It is recommended to do this at least twice a year SAVE VTC 700 User Manual 207581 10 Systemair AB Fig 10 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 5 9 Checking the duct system Dust and grease settlements may build up in the duct system even if reguired 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 pu
3. confirming figure 4 i 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 700 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 700 User Manual 207581 5 Systemair AB 5 Maintenance Maintenance of the SAVE VTC 700 should normally be performed 3 4 times a year Apart from general cleaning the following should be observed 9 1 Warnings Make sure that the Mains supply to the unit is disconnected before performing any 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 The system should operate continuously and only be stopped for maintenance service Beware of sharp edges d
4. ee i ae systemair SAVE VTC 700 Heat Recovery Ventilation Unit c je Je User Manual NA 207581 EN GB eG 23 08 2011V A001 Contents 1 WaArnINGS zao ea ON OU NA 1 2 Iintroductiom RE E r ri 2 3 Interface description 112040 vaste sags VT K r ln 3 3 1 Gontrobpanel 332354 mirent our rk o o pad se Koa obi 3 3 2 Displa s mbOlS 22 1114502000 mnt ON de AIE ste de are Re ent ani at A 4 4 Ment SetiriQS Es l raee tant note taeed E E ras datant tant let nnt nt datant r al ann ete ARE 5 4 1 S tting of temperature oo 0 RNA NA Nu 5 4 2 Manual setting of fan spear e rie ENEE EETA AEO AE OTE 5 4 3 Manual summer Mode sirgena EE a EEE EEA 5 S Mamenang erea ASE A rar nan nano 6 5 1 Warnings anaren ei rn AET een ae ee ee r 6 5 2 Removing the front inspection hatch eee eee eee eee nenene nn n 6 5 3 Changing Outdoor Extract air filters 2 2 0000 ee eee eee een nenene nn n 7 5 3 1 Resetting the filter time 7 5 4 Checking the heat exchanger 0 2000000000 hrana 9 5 5 Cleaning the fans cassie ada A r noo 9 5 6 Cleaning extract louvres and supply air diffusers 2 en 10 5 7 Checking the outdoor air intake issu 10 978 GhECKFOOf COW 22s ssh tak e a te nt O cotaa bec tan een de ans 11 9 9 Ghecking the duet syste Misena rse ne O EEE EEEE EEEE O sadanseees 11 6Trouble Shooting ane eiA REE AREA ATAT d
5. firm button after completed setting SX ln Fan o Low ventilation A Can be used when leaving the building for a longer period Nominal ventilation B Will give reguired 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 Confirm the setting with the confirm button chapter 4 1 and chapter 4 3 Service Access to the service menu by pressing the confirmation button Access to the alarm list by pressing the confirm button SAVE VTC 700 User Manual 207581 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 Each step increase is illustrated by increasing the filling of the temperature symbol S X 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
6. lling 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 11 Cleaning the duct system SAVE VTC 700 User Manual 207581 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 Explanation Do the following EMT Frost Pb Fail SAVE VTC 700 207581 Indicates error on either supply or extract air fan Indicates triggered overheat protection in case 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 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 temperature reaches 5K over set frost protection te
7. mperature 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 purchase The alarm is displayed in the control panel Change filter according to instructions chapter 5 3 and chapter 5 3 1 User Manual Systemair AB SAVE VTC 700 User Manual 207581 13 Systemair AB Systemair AB reserves the right to make changes and improvements to the contents of this manual without prior notice s systemair Systemair AB Industriv gen 3 SE 739 30 Skinnskatteberg Sweden Phone 46 222 440 00 Fax 46 222 440 99 207581
8. ose Reset YES with the selection knob confirm Reset NO Time to replace 9 month 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 SAVE VTC 700 User Manual 207581 8 Systemair AB Systemair 5 4 Checking the heat exchanger Even if the reguired maintenance is carried out chapter 5 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 8 Cleaning the heat exchanger should be done when needed but preferably once a year Fig 8 Removing and cleaning the heat exchanger 5 5 Cleaning the fans Even if the reguired 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 Open the side panel by removing 4 screws SAVE VTC 700 User Manual 207581 9 Systemair AB 3 Disconnect the fast couplings 7 4 Loosen the bracket holding the fan and pull the fan out carefully 5 Cle
9. ring 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 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 Symbol A Supply air c SAVE VTC 700 User Manual 207581 2 Systemair AB i systemair 3 Interface description 3 1 Control panel The control panel is delivered with the unit and has to be connected to the modular jack on top of the VTC 700 Below illustration shows the control panel with a short description figure 2 Fig 2 Control panel Description Explanation 1 Display Shows symbols menus and settings 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 pressing the button SAVE VTC 700 User Manual 207581 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 con
10. uring maintenance Use protective gloves Make sure that filters are mounted before starting the unit 9 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 6 Opening the front hatch SAVE VTC 700 User Manual 207581 6 Systemair AB Systemair 5 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 7 2 Reset the filter time as described below chapter 5 3 1 Depending on the condition of the filter you might need to change the operation time for the filter Fig 7 Changing of filters 5 3 1 Resetting the filter time 1 Go to the service menu by the use of the selection knob Semice 2 Password Enter the service level by typing the password 1111 Use the selection knob for each digit and confirm with the confirm button after each set digit 3 Service Go down to Filter period confirm Change password Filter period Date Time SAVE VTC 700 User Manual 207581 7 Systemair AB 4 Filter period Cho

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