SAVE VTR 300/B Installation and Service
Contents
1. 600 100 0 0 Fig 7 Extract air system curves G3 type filter System curve K factor l s 16 47 9 04 7 03 5 40 4 29 3 41 2 71 2 12 O WMDINIDI a BR wl ny gt 1 64 o 1 20 SAVE VTR 300 B 208348 120 140 Installation and Service Systemair AB 6 4 Fan speed settings The fan speed can be set by either I s m3 h or a percentage e If Airflow is chosen in the service menu the settings will be in l s and system curves are selected If Speed is chosen in the service menu the settings will be in percentage System curves are not selectable The fan speed may be adjusted in four steps off low nominal and high These settings control the output signals to the supply and extract fans The factory setting on each speed steps are e Off O l s e Low 49 l s or 25 e Nom 82 l s or 50 at approximately 80 Pa e High 100 l s or 100 These levels are possible to change in the service level See service menu overview chapter 8 5 under functions Note 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 service menu overview c2. SAVE VTR 300 B Installation and Service Systemair is not liable or bound by warranty if these instructions are not adhered to during installation or service 2013 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 NA 208348 EN_GB CE y C Document in original language 10 03 2014 A002 Contents 1 Declaration of Conocio A o ats 1 2 WaAINING iii A A end ee ida eed eee a Ane a 2 SADOUt this DOCUMENT A AS catia Seda tds dees 2 4 Product INTormations shrs a2 chets dd a aa a A cid 2 A A E E RO 2 4 2 Left and Right Model vicio a 3 4 3 TANS POM and Stage reais reati ahs bd 3 AA Technical data ti A A A AS ADA 4 O InStallationics o aida cd tes Goer 7 ST UNPACKING 923 sctscesessatsecesetth yechts a iris 7 5 2 Where how to Install seneki aia li ety eee 7 5 3 Installation procedure cccccccecceeeee ce a ee Aa a aeae e aa a aia a aa 7 5 4 Condensation drainage sossesiiriiiieiieri iiini iira NEA aaa AAEREN EENAA EEEL EEEREN 8 6 COMMISSIONING 4222s ces EAER aE AE she ATA EE A ARS E E bees dann EEUNA treated one 9 6 1 Control panel id TEE ee EEE E E E ESE 9 G2 St
3. Parity None Even Odd units in the online catalogue at www systemair com Functions Factory reset Use this dialogue frame to Factory reset Really reset YES NO return to factory settings Set YES or NO Note This will erase all your personal settings that have been done for the unit Service Language Languages Language ENGLISH Use this dialogue frame to return to select your local language Set Language by turning the SELECTION knob SAVE VTR 300 B 208348 31 Installation and Service Systemair AB systemair Menu Level 1 Menu Level 2 Menu Level 3 Explanation Service Version SAVE Shows current software Versions VTR 300 B versions CD EC Appl 1 08 00 Note a i x09 The software versions are just Boot 1 00 01 S an example and may differ in 1 01 00 pu E a specific unit Service Alarms Shows the alarm list and Alarms which alarms that have been Fan Y triggered indicated by Y See EmT Frost N alarm list chapter 9 4 1 Damp Y Pb Fail N Temp N Filter Y 9 Service 9 1 Warnings electrical work Make sure that the mains supply to the unit is disconnected before performing any maintenance or 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 main
4. No for the system not be locked 3 Go to Functions Functions Choose Defrosting Defrosting 4 Set the mode 0 5 Defrosting Mode 0 5 SAVE VTR 300 B Installation and Service 208348 19 Systemair AB 6 6 Programming the Week schedule Set the week schedule according to below procedure 1 Go to the service menu by using the SELECTION knob iX se mice 2 Enter the service level by typing the password default 1111 Use the SELECTION knob for each digit and confirm with the CONFIRM 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 Fan speed 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 BACK button and go down to Fan speed Week program Fan speed 7 Set which fan speed the fan is supposed to be running in the ON level choose between Low Nom or High Set which fan speed 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
5. Set Heater to None Electrical or Water Set Cooler to None or Water Functions Frost protection Shows current set frost protection alarm limit in C for Frost Alarm limit TE the installed water coil protection Set Alarm limit in C Default value 7 C Functions System curve This function is to compensate System curve EF 1 10 SE 1220 the flow values for different system pressures See chapter 6 3 Functions Fan control Fan control Airflow Speed Select the type of fan control you prefer Fan control by l s or Fan control Airflow Airflow EF SF l s Nom 82 82 High 100 100 Low 49 49 Use this dialogue frame to set the fan speed in l s The speed can be set individually for each fan EF Extract fan SF Supply fan Set the fan speed for EF and SF for each step Low Nom and High Fan control Airflow unit Default value l s Airflow unit 1 s m3 h Fan control Speed EF SF Use this dialogue frame to N set the fan speed in The Speed oP gt 59 speed can be set individually High 100 100 for each fan EF Extract fan L 25 25 SF Supply fan Set the fan speed for EF and SF for each step Low Nom and High Functions Manual fan stop Set if it should be possible Manual fan stop Allow manual fan stop Y N to turn off the fans in the unit manually from the control panel Chose between Y and N If Y is selected the fans can be turned
6. be shortened Cut the drive belt 5 mm and go to step 6 8 Close and lock the front hatch and connect the unit to mains 9 Check that the alarm has ceased on the Control Display Note If the alarm remains check the rotor sensor 9 6 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 connections SAVE VTR 300 B Installation and Service 208348 39 Systemair AB EE systemair Fig 14 Type label E systemair Position Description 1 Product code product specification 2 Product item number 3 Production order number 4 Consecutive number 5 Production date YY MM DD SAVE VTR 300 B 208348 40 Installation and Service Systemair AB systemair SAVE VTR 300 B Installation and Service 208348 41 Systemair AB Systemair AB reserves the right to make changes and improvements to the contents of this manual without prior notice systemair Systemair AB Industrivagen 3 SE 739 30 Skinnskatteberg Sweden Phone 46 222 440 00 Fax 46 222 440 99 www systemair com 208348
7. 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 Fan speed On level Off level low nom high off low nom high 8 Step back with the BACK button until you reach the main menu display SAVE VTR 300 B 208348 Installation and Service 20 Systemair AB 6 7 Ext Force run It is possible to program extended time you want the unit to work under operation conditions other than determined by the week schedule Go to the service menu by using the SELECTION knob af A se mice 2 Enter the service level by typing the password Password default 1111 Use the SELECTION knob for each Password XXXX digit and confirm with the CONFIRM button after Locked YES NO each set digit and choose No for the system not Set the fan speed for this mode Choose between Low Nom or High Default value Nom be locked 3 Go to Ext Force Run Service Ext Force Run 4 Set the time in minutes the unit is to run in Ext Force Run extended forced running mode Value range 0 240 minutes Minutes 0 Fan speed Nominal 6 8 Extra functions The unit is equipped with a number of extra on off functions which can be activated from external on off switches that can be connected to the digital inputs on the main print card see
8. how aggressive the defrosting will be Default factory setting is mode 0 Note The heat exchanger should withstand low outdoor temperatures but in those cases where icing can occur please be aware of that the defrost setting will generate an under pressure in the building Using a fire place be aware that there is a possible risk of smoke being extracted into the living areas due to under pressure if defrosting is activated Table 1 Defrost levels Defrost Relative humidity indoors Description mode 0 Defrosting is turned off 1 Minimum lt 20 Dry areas such as warehouse buildings with few people or industrial buildings that don t use water in their production process 2 Low 30 40 Office buildings 3 Medium 40 60 Apartments or houses with normal humidity 4 High 60 80 Apartments or houses with high humidity 5 Extremely high gt 80 Buildings with very high humidity level 1 Relative humidity in the extract air at cold outdoor temperatures 2 In newly constructed houses it might be necessary with a higher defrost level during the first winter period 6 5 1 Setting the defrost level 1 Go to the service menu by using the SELECTION knob j af v Serica 2 Enter the service level by typing the password Password default 1111 Use the SELECTION knob foreach Password XXXX digit and confirm with the CONFIRM button after Locked YES NO each set digit and choose
9. right R and left L model The different models are recognized by the placing of the internal components and the supply air outlet which is situated on left side of the unit on an L unit and on the right hand side on an R unit Note This document describes a left L model The inside of a right R model is mirrored 4 3 Transport and storage The SAVE VTR 300 B should be stored and transported in such a way that it is protected against physical damage that can harm panels etc It should be covered so dust rain and snow cannot enter and damage the unit and its components The appliance is delivered in one piece containing all necessary components wrapped in plastic on a pallet for easy transportation SAVE VTR 300 B Installation and Service 208348 3 Systemair AB systemair 4 4 Technical data 4 4 1 Dimensions and Weight L model B A i Sr ff a E D Es dE Q E EN l E ty Un ERO Ca 160 4 Fig 1 Dimensions and weight L model Measures in mm and weight in kg A B C D E F G H J K 762 485 4232 842 804 824 758 405 258 97 121 L M N O P R S T U V Weight 206 255 104 136 216 303 490 788 1206 27 66 1 Including hatch 2 In
10. should ideally be led via a roof unit to the outside and with a good distance to any outdoor air intake windows etc 5 3 Installation procedure Note It is recommended to remove the heat exchanger before the installation to make the unit lighter The heat exchanger weighs about 14 kg How to remove the heat exchanger see chapter 5 3 1 steps 1 through 3 1 Prepare the surface where the unit is to be mounted Make sure that the surface is flat vertical and that it supports the weight of the unit Perform the installation in accordance with local rules and regulations 2 Fit the mounting bracket 1 with the anti vibration 2 gf pad 2 to the wall with enclosed screws Use T cae appropriate holes to screw the bracket firmly to E the wall Bottom side of bracket should be 40 mm H below top of unit position Note Make sure that the mounting bracket is completely horizontal once mounted on the wall Check with a spirit level SAVE VTR 300 B Installation and Service 208348 7 Systemair AB 3 Lift the unit in place gt yy A Warning f Beware of sharp edges during mounting and maintenance Use protective gloves Consider the unit weight when mounting Note Make sure that the unit is completely vertical and horizontal once mounted on the wall Check with a spirit level 4 Connect the unit to the duct system Make sure that all necessary a
11. temp sensors 4 Check if the over heat protection thermostat is still alert If necessary reset by pressing the reset button See chapter 9 3 7 5 Check if digital input 4 DI 4 is set to off This would force the electrical re heater battery to be switched off chapter 8 5 6 Check if the extract filter must be changed 7 At very cold outdoor conditions an electrical pre heating battery might be necessary This can be acquired as an accessory At very cold outdoor conditions an electrical pre heating battery might be necessary This can be acquired as an accessory 8 Check the balance between the supply and extract air Noise vibrations 1 Clean fan impellers 2 Check that the screws holding the fans are tightened 3 Check that the anti vibration pads are fitted at the bottom of the unit 9 4 1 Alarm list Alarm Explanation Do the following Fan Indicates error on either supply or The alarm is displayed in the control panel extract air fan Check that quick connectors are connected for the both fans Contact your installation company or place of purchase EMT Frost Indicates triggered frost protection A triggered frost protection alarm results in the in case of installed water heating following battery or triggered overheat protection in case of installed electric re heater battery Outdoor and exhaust air dampers closed Both fans stop e Water valve o
12. Extract and Supply air fans Airflow in l s Sm 82 82 When settings are done press CONFIRM High 100 100 Low 49 49 7 Here it is possible to change the Nominal High Low fan speed Speed EF SF on the Extract and Supply air fans Fan speed in System Noni 50 50 curves not selectable High 100 100 When settings are done press CONFIRM Low 25 25 SAVE VTR 300 B 208348 12 Installation and Service Systemair AB 6 2 2 Perform Factory reset How to perform a factory reset if necessary 1 Enter the service menu by selecting the service symbol in the display and press ENTER se mice 2 Go to password and enter the password default 1111 Use the SELECTION knob for each digit and ENTER 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 Functions and select Factory Reset Functions Factory reset 4 Turn the SELECTION knob so YES is shown and press ENTER Factory reset Really reset YES NO 5 ACCEPTED is shown in the display window ACCEPTED 6 The Start up Wizard starts after approximately 10 seconds 6 3 System curves A system requires different pressures at different airflows which can be represented by a system curve The intersection between the system line and the fan curve is the unit s working point It is showing the airflow the system is going to have Ev
13. art WP WIZ A EEA EE E manta AEE E EE E TE TE A E E 11 6 3 OYSIOMICUIVES roiie aaea E ARE EE EE AAN 13 6 4 Fan speed settings 0 0 2 2 cccecae ceeded eens dida 17 6 5 Defrost level Settings sis apn anrasan a E AnA EAE E TAEAE EE TEE ARE 19 6 6 Programming the Week schedule 00 ee cece cece eeeee eects eee eres aaa eeeeaaeeeeeeeaaeeeeeeeaaeeeeeeaaeeees 20 G27 A A A ctu cade Wie O E A 21 6 3 Extra functions sn tario Ai tata sewed 21 6 9 Electrical CONNECTIONS EE E T E EA E E E A A TT 22 6 10 External connections on the Unit cece cceececeeeece eect ee eeee ee eeecaeeeeceeeesaeeesaeeeeseeeesaeeeesaeeees 23 7 Before starting the System arinei nsi eiia i sedan ENEE ERAAN AA 24 O Opera OA 24 8 1 Setting temperature ooo AN A AAE ENA EAA ENTARA AEEA EEEE TE 24 8 2 Manual setting of fan Speed enrere asin aenea ENEE EAE EEESC RRA EREE REE RATE E 25 8 3 Manual and automatic summer mode 02 ccceeeeeeeeeceeee eee eee ce cece ce eeecaeeesaeeeesaeeesaeeeesaeeees 25 3 4 COOIMECOVENY OO 25 8 5 Service MENU Verve W s deaan a cece eee cee eeeeaeeecaaeeeeaaeeseaceeecaeeesaeeesaeeeeseeeesaeeeesaeeees 26 O SefviCEs hs space ela cuec tt A a adele ected deeded 32 Oi Wann cari aio iria ds 32 9 2 Internal COMPONENS ocio aii ii A a ad 33 9 3 Component descriptions aio inf 34 9 4 Trouble SNOOUING Siam tdt ad 36 9 5 Replacing rotor drive Delon 38 O TY PClabel iia dt ganas Cues danas aQeeahanta AEAEE TA 39 1 Declaration of Conformi
14. ave not come to a complete standstill 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 Caution Do not connect tumble dryers to the ventilation system Duct connections duct ends must be covered during storage and installation 3 About this document This installation manual concerns air handling unit type SAVE VTR 300 B manufactured by Systemair AB The manual consists of basic information and recommendations concerning the design installation start up and operation to ensure a proper fail free operation of the unit The key to proper and safe operating of the unit is to read this manual thoroughly use the unit according to given guidelines and adhere to all safety requirements 4 Product information 4 1 General The SAVE VTR 300 B is a heat recovery ventilation unit with a built in rotating heat exchanger The SAVE VTR 300 B is suitable for houses with up to 240 m2 heated living area The SAVE VTR 300 B supplies filtered outdoor air to residential areas and extract air from bathroom kitchen and wet rooms SAVE VTR 300 B is equipped with a 1670 W electrical re heater battery SAVE VTR 300 B Installation and Service 208348 2 Systemair AB E Systemair 4 2 Left and Right models There are two model options
15. ccessories are used to create a functional ventilation solution A Warning The installation of the unit and complete ventilation system must be performed by an authorized installer and in accordance with local rules and regulations 5 Remount the heat exchanger if it was removed before the installation See chapter 5 3 1 steps 4 and 5 5 3 1 How to remove and remount the heat exchanger 1 Open the front hatch 2 Disconnect the heat exchanger power supply and the rotor sensor Both cables are found beside the heat exchanger 3 Pull out the heat exchanger Some force may be needed 4 Remount the heat exchanger Don t forget to reconnect the heat exchanger power and sensor cables 5 Close and lock the front hatch 5 4 Condensation drainage In general no condensation drainage is needed for rotational heat exchangers at dry conditions However if a lot of humid air is present in the residence a condensation drainage might be needed Drainage connection is available as an accessory and can be ordered seperate Installation instructions for the drainage are enclosed in the drainage pipes delivery Note The drainage connection is plugged in the bottom of the unit at delivery To use the drainage remove the rubber seal and and connect the drainage pipe Connect the drainage pipe to the sewer The water can not be led straight to the sewer without a water trap SAVE VTR 300 B Installation and Service 208348 8 Syst
16. cluding bracket SAVE VTR 300 B Installation and Service 208348 4 Systemair AB 4 4 2 Dimensions and Weight R model Ee Systemalr a A 4 B C 1 a 1 49 EIA Td 3 D E F E 2 1 l y G T a H I M el gs N A m A 70 0 9 eS K aL R 5 Y A L S o A v U dat al g SSO E mL LJ 125 D160 4 ls Fig 2 Dimensions and weight R model Measures in mm and weight in kg A B C D E F G H J K 762 486 4232 842 804 824 758 354 255 104 206 L M N O P R S T U V Weight 311 258 97 141 216 296 490 789 1206 28 66 1 Including hatch 2 Including bracket SAVE VTR 300 B 208348 Installation and Service Systemair AB e j ae Systemalr 4 4 3 Duct connections Fig 3 Duct connections Position Description R Right hand model Supply air connection is situated on the right hand side of the unit viewed from the front L Left hand model Supply air connection panel is situated on the left hand side of the unit viewed from the front Symbol Description Symbol Description Symbol Description nn Supply air Outdoor air Cooker hood air xs Exha
17. door exhaust air damper Reference 3 Outdoor exhaust air damper Normally closed 230 V 1 max 1 A 4 Sum alarm Normally open 24 V max 1 A 5 Sum alarm Reference 6 Sum alarm Normally closed 24 V max 1 A 7 GND Reference 8 Water cooler control signal AO1 0 10 V DC 9 GND Reference 10 Water heater control signal AO2 0 10 VDC 11 GND Reference 12 Damper AO3 Not used 6 10 External connections on the unit Two of the connections on the main print card are wired to plugs on the unit casing connection to an external control panel through a modular connector Maximum cable length 50 m Cable type Flat 4 conductor CEC Phone cable or equivalent SAVE VTR 300 B 208348 Installation and Service E Systemair connection to DI 3 with possibility to configure the fan speeds individually through a potential free on off switch Default settings SF High EF Low 1 Cable glands 2 Connection to DI 3 through a potential free on off switch 3 Connection to control panel 7 Before starting the system When the installation is finished check that The unit is installed in accordance with the instructions The unit is correctly wired e Outdoor and exhaust air dampers and silencers are installed and that the duct system is correctly connected to the unit All ducts are sufficiently insulated and installed according to local rules and regulations Outdoor air intake is positioned with sufficien
18. e User Manual for more information 9 3 2 Filters The factory installed filters are of filter quality F7 for the supply air and G3 for the extract air filter The filters need to be replaced when polluted New sets of filters can be acquired from your installer or wholesaler Filter quality G3 can be installed for supply air filtering The filter type is labelled on the top of the filter Note If type G3 filters are used instead of F7 the system curve for Supply Fan SF must be changed For G3 type filter 11 20 for F7 type filter 1 10 See chapter 6 3 9 3 3 Heat exchanger SAVE VTR 300 B is equipped with a rotating heat exchanger Required supply air temperature is therefore normally maintained without adding additional heat The heat exchanger is removable for cleaning and maintenance see User Manual for more information 9 3 4 Print card The main print card controls the functions and set temperatures of the unit It is possible to connect external accessories to terminals on the print card and also communication to BMS Building Management System Modbus communication via RS 485 See wiring diagram for more information 9 3 5 Temperature sensors Four temperature sensors NTC 10 kQ at 25 C are included in the unit from factory and positioned in the corresponding air chambers The sensors are connected to the main print card See wiring diagram for more information 9 3 6 Electrical Re heater battery The r
19. e OT A Ol ol iM 000 Q ole O O O O O O we cams 000000000 sl C N L N oin meow morm aanu ano we pan y CO PAER Fig 9 Print card Position Description 1 Main print card 2 Print card for electrical re heater 3 Connection to external control panel connected to unit casing SAVE VTR 300 B 208348 Installation and Service 22 Systemair AB Position Description Mains supply connection between main print card and electrical re heater print card Terminals for Al 1 5 temp sensors and motor control Terminals for external connections Terminals for mains supply connections Terminals for digital inputs DI 1 7 Terminals for internal control panel 2 O O J DO O1 Terminals for regulated power supply to electrical re heater Modbus connection See User manual Modbus for details 6 9 2 External connections on the print card Connection terminals for external equipment can be found on the main print card inside the electrical connection box LLNS SLX N fis 4 5 6 7 8 Nea NIN ES PS AA 10 11 12 NE A No A NY INTERLOCK HUMIDIFIER de ALARM mm GND WC GND WH idas Fig 10 External connections on the print card Position Description Remark 1 Outdoor exhaust air damper Normally open 230 V 1 max 1 A 2 Out
20. e heater battery is positioned in the supply air chamber The re heater is activated by a relay and switches on if the supply air temperature is 2 K lower than the set point and switches off if one or more of the following conditions are met If the supply air temperature is more than 2 K above the set point If the over heat protection is activated or the sensor is malfunctioning If the emergency thermostat is triggered or broken If the supply air sensor is in error state If the supply air fan is not running ona AO N If the heater is set to disabled in the menu SAVE VTR 300 B Installation and Service 208348 34 Systemair AB 9 3 7 Overheat protection reset button If the supply air temperature is low it can indicate that the over heat protection is triggered The overheat protection can be reset by pressing the reset button 1 Fig 12 Overheat protection reset button 9 3 8 Water Re heater battery A water re heater battery optional which can be acquired as an accessory can be controlled by the analog output WH 0 10 V DC The water heater uses Al 4 for frost protection OT Over heat protection changes to FPS Frost protection in the menu The frost protection sensor should then be a strap on surface sensor situated on the return water tube Sensor type TG A130 The supply air sensor SS at Al 1 mus
21. emair AB 6 Commissioning Connect the unit electrically to the mains with the enclosed plug 6 1 Control panel The control panel is used to make the necessary adjustments Fig 4 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 CONFIRM button Confirm menu choices or settings by pressing the button 4 BACK button Step back in the menu levels and to abort an initiated parameter change and restore the original value by pressing the button SAVE VTR 300 B 208348 Installation and Service 9 Systemair AB 6 1 1 Display symbols Description on lt 3 y Se Explanation Temp oO Illustrates the current set temperature The temperature setpoint is set in 6 steps from completely empty to filled symbol Turn the SELECTION knob to choose temperature Press CONFIRM to save the setting Fan speed SX Fan speed Illustrates the current fan speed The fan speed can be set manually in 4 steps Off Low Nom and High Turn the SELECTION knob to choose fan speed Press CONFIRM 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 T
22. en a factory reset is performed SAVE VTR 300 B 3 Set date and time Time Date YY MM DD Date 12 09 12 Time 10 00 Weekday Sat 4 Select heater None Electrical Water Heater _ Heater Note None Electrical Water This choice is available only after a factory reset see chapter 6 2 2 or when a new print card is installed SAVE VTR 300 B Installation and Service 208348 11 Systemair AB E Systemair 5 Fan control Turn the SELECTION knob to select the type of fan control you prefer Airflow l s or Speed and press CONFIRM Commission by see step 7 Note System curves are not selectable when Speed is chosen Note Before setting the system curve see chapter 6 3 for details This function is implemented in the unit to compensate the flow values for different system pressures Supply Fan SF Total value range 1 20 For F7 type filter 1 10 forG3 type filter 11 20 Default curve 2 Extract Fan EF Value range 1 10 Default curve 2 Note The factory installed filters are of filter quality F7 for the supply air and G3 for the extract air filter Air filters are accessories and can be obtained from the installer or wholesaler The filter type is labelled on the top of the filter Fan control Airflow System curve EF 1 10 SF 1 20 6 Here it is possible to change the Nominal High Low airflow on Airflow 1 s EF SF the
23. ervice menu overview chapter 8 5 under functions 8 3 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 of 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 8 4 Cool recovery If the outdoor air is warmer than the extract air and the supply air is above the setpoint cool recovery occurs This condition blocks the heat regulation process SAVE VTR 300 B Installation and Service 208348 25 Systemair AB 8 5 Service menu overview Enter the service menu by selecting the service symbol in the display Menu Level 1 Menu Level 2 Menu Level 3 Explanation Service Password Enter the service level Password Password XXXX by typing 1111 Use the Locked YES NO SELECTION knob for each digit and confirm with the CONFIRM button after each set digit No will unlock the system and allow parameter chang
24. ery change in the pressure of the ventilation system will give rise to a new system curve The K factor is a constant that is the same through out one and the same system curve If the K factor and the system pressure is known the airflow can be calculated If the real pressure drop in the system is larger or smaller than calculated the working point and the airflow will be different than expected SAVE VTR 300 B 208348 Installation and Service 13 Systemair AB 6 3 1 Supply air F7 type filter e i a Systemalr 700 600 500 400 Pa 300 200 100 Fig 5 Supply air system curves F7 type filter System curve K factor I s 18 03 9 22 7 49 5 82 4 63 3 70 2 93 2 28 O WMINI DI a R w n 1 73 o 1 26 SAVE VTR 300 B 208348 Installation and Service Systemair AB 6 3 2 Supply air G3 type filter 700 600 500 400 Pa 300 200 100 Ee systemair 10V 20 7 1V 5V 3V 20 40 60 80 100 Vs Fig 6 Supply air system curves G3 type filter System curve K factor l s 11 19 03 12 9 68 13 7 83 14 6 02 15 4 81 16 3 87 17 3 05 18 2 37 19 1 81 20 1 32 SAVE VTR 300 B 208348 15 120 140 Installation and Service Systemair AB 6 3 3 Extract air G3 type filter e i ae Systemalr
25. es Service Change Set new password if Change password necessary Password Actual XXXX New XXXX In case the new password Confirm XXXX would be forgotten or misplaced it s still possible to enter the service level by writing 8642 This overrides the earlier set password Service Filter period Shows selected time interval Filter between filter change period Time to replace Set Reset of the filter period 12month to YES after completed filter change AO Oo Set time between filter changes Service Time Date Shows current set date and Time Date YY MM DD time Date Set Correct date and time 12 09 12 Time 10 00 Weekday Sat Service Ext Force Run Use this dialogue frame to Ext Force program extended time you Run Minutes 0 want the unit to work under operation conditions other Fan speed than determined by the week Nominal schedule Shows set time for extended forced running Shows Set fan speed Set the time that the unit is to run in extended forced mode Value range 0 240 minutes Set the fan speed for this mode Choose between Low Nom or High Default value Nom SAVE VTR 300 B 208348 26 Installation and Service Systemair AB systemair Menu Level 1 Menu Level 2 Menu Level 3 Explanation Service Week program Week program Program how you want the Week unit to operate according program Week program Day MON to the week schedule It s Per 1 07 00 16 00
26. gs are done when configuring DI1 DI2 or DI3 See menu options in Service menu Overview chapter 8 5 SAVE VTR 300 B Installation and Service 208348 21 Systemair AB 6 9 Electrical connections The SAVE VTR 300 B is wired internally from factory The electrical connection box can be found on the supply air outlet side of the unit behind a cover plate The print card 1 can easily be taken out from the unit Fig 8 Print card position 6 9 1 Print card layout The SAVE VTR 300 B is equipped with built in regulation and internal wiring The figure shows the print card See wiring diagram for more information NO ONO Zid ONO Q ONO bid ONO SKI ONO 9A UNO ZII ONO AZI ONO E V 2 9000000000000000000 i lb m 5 ine O Olt zZ S olg 10 Alls L Ad USB Sete Ble MODBUS P sp lols lo of lt ooo lt Ols O ar gee of ES o ol
27. hapter 8 5 under functions SAVE VTR 300 B Installation and Service 208348 17 Systemair AB 6 4 1 Setting the fan speed 1 Go to the service menu by using the SELECTION knob Service 2 Enter the service level by typing the password default 1111 Use the SELECTION knob for each digit and confirm with the CONFIRM button after each set digit and choose No for the system not be locked Password Password XXXX Locked YES NO 3 Goto Functions Choose Fan control Functions gt Fan control 4 Turn the SELECTION knob to select the type of fan control you prefer Airflow l s or m3 h or Speed and press CONFIRM Fan control by speed see step 7 Fan control Airflow Speed 5 Fan control by Airflow l s When settings are done press CONFIRM Fan control Airflow system curve Choose system curve SF 4 EF 4 6 Press BACK once the system curves has been set and go to Airflow EF SF Airflow 1 s When settings are done press CONFIRM Nom 82 82 High 100 100 Low 49 49 7 Fan control by Speed Speed EF SF When settings are done press CONFIRM Nom 50 50 High 100 100 Low 25 ZO SAVE VTR 300 B 208348 18 Installation and Service Systemair AB 6 5 Defrost level settings The unit is equipped with an automatic defrost function that is activated when there is risk of icing in the area around the heat exchanger The setting 0 5 table 1 determines
28. he building is uninhabited for a longer period It is recommended to connect DI7 and DI1 or DI3 in parallel If DI7 is activated set the fans speed to min Fan speed settings are done when configuring DI1 DI3 Note The Home Leave function is not working if Water heater is activated SAVE VTR 300 B Installation and Service 208348 30 Systemair AB systemair Menu Level 1 Menu Level 2 Menu Level 3 Explanation Functions Digital output Digital output J SF 67 2 EF 67 3 Rot ON OFF 4 ALARM Y N 5 Dmp Y N 6 Reheater Y N Shows The current settings of digital outputs 1 6 the settings in the column to the left are examples 1 SF 67 Current set speed of the supply air fan shown as percentage of the maximum speed 2 EF 67 Current set speed of the extract air fan shown as percentage of the maximum speed 3 Shows if the rotor is active or not 4 Alarm Y N Indicates if the sum alarm is active or not 5 Dmp OFF Outdoor exhaust air damper is on or off 6 Reheater Y N Indicates if the electrical re heater is active or not Functions Defrosting Use this dialogue frame to set how aggressive you want the Defrosting Mode 0 5 defrosting function to operate see chapter 6 5 Functions Modbus Information about Modbus communication and variables Modbus Address 1 can be found in the Modbus Baud 9600 19200 user manual for residential
29. lation company or place of purchase Filter Time for filter change The alarm is displayed in the control panel Change filter according to instructions in the user guide 9 5 Replacing rotor drive belt Make sure that the Mains supply to the unit is disconnected before performing any maintenance or electrical work A Warning Risk of personal injury The heat exchanger weighs about 14 kg There is a risk that the heat exchanger falls out of the unit Make sure that small children are not beneath the unit when the heat exchanger is removed If the alarm Rotor is raised see chapter 9 4 1 the rotor drive belt may be damaged or broken SAVE VTR 300 B Installation and Service 208348 38 Systemair AB Fig 13 Rotor drive belt The replacement drive belt 1 is adjustable and delivered with a nipple attached in one end 1 Stop the unit by disconnecting the mains 2 Open the front hatch 3 Remove the broken drive belt 4 Use tape to attach the drive belt to the rotating heat exchanger and rotate the exchanger by hand to get hold of the drive belt 5 Remove the tape and put the empty end on to the nipple 6 Press the ends firmly towards each other to secure the nipple 7 Pull the drive belt on to the belt pulley and rotate the exchanger by hand Check that the belt pulley rotates Note If the drive belt slips the drive belt may be too long and needs to
30. ld and similar appliances Particular rules for routine tests referring to appliances under the scope of EN 60 335 1 and EN 60967 EN 61000 6 2 Electromagnetic compatibility EMC Part 6 2 Generic standards Immunity for industrial environments EN 61000 6 3 Electromagnetic compatibility EMC Part 6 3 Generic standards Emission standards for residential commercial and light industrial environments The complete technical documentation is available Skinnskatteberg 10 03 2014 ASA JE c we A Mats S ndor Technical Director SAVE VTR 300 B Installation and Service 208348 1 Systemair AB 2 Warnings The following admonitions will be presented in 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 e 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 h
31. o increase the airflow if necessary Service Press CONFIRM to access the service menu Alarm 4 Alarm Press CONFIRM to access the alarm list 1 The fan can be set to OFF by activating manual fan stop See service menu description under functions Note 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 SAVE VTR 300 B 208348 Installation and Service 10 Systemair AB 6 2 Start up wizard The Start up Wizard is a step by step configuration tool that starts automatically when the SAVE VTR 300 B is started for the first time or when e a factory reset is performed anew print card is installed spare part In this case the unit type must be entered SAVE VTR 300 B The fan speed in the Start up wizard can be set by either l s or a percentage with the Fan control e If Airflow is chosen the settings will be in l s and system curves are selected e If Speed is chosen the settings will be in percentage System curves are not selectable 6 2 1 Procedure 1 Turn the SELECTION knob to choose language and press Languages CONFIRM Language ENGLISH 2 Choose unit type this choice is only present if a new print card Type is installed spare part or wh
32. off by turning the SELECTION knob to empty fan SAVE VTR 300 B 208348 28 Installation and Service Systemair AB systemair Menu Level 1 Menu Level 2 Menu Level 3 Explanation Functions Analog input Analog input 1 SS 20 0 2 ETS 23220 Sis Unused 4 OT FPS 20 0 a2 OS 10 5 Shows analogue inputs from active temperature sensors SS Supply air temp sensor ETS Extract air temp sensor OT FPS Over heat protection sensor Frost protection sensor OS Outdoor air temp sensor Functions Analog output Analog output A01 auto man off 0 0V A02 auto man off 7 3V A03 auto man off 0 0V Shows current analogue outputs in 0 10 V to hot cold water actuator Set AO1 Analogue output to hot water actuator to auto man or off Default value auto Set AO2 Analogue output to cold water actuator to auto man or off Default value auto AO3 Not used Functions Digital input Digital input DI1 ON OFF DI2 ON OFF DI3 ON OFF DI4 ON OFF DI5 ON OFF DI6 ON OFF DI7 ON OFF Shows current setting of the digital inputs ON or OFF DI1 Fan configuration DI2 Fan configuration DI3 Fan configuration DI4 Heater deactivated DI5 Extended forced running DI6 Rotor sensor DI7 Home leave Functions Config DI 1 3 Config DI 1 3 Default 1 SF high EF high 2 SF low EF low 3 SF high EF low Use this dialogue frame to set how y
33. ou want the fans to react to 3 different digital inputs when they are switched on the settings in the column to the left are examples Potential free switches need to be connected physically to terminals on the main print card to obtain the different functions See the wiring diagram for more information Set the supply air fan SF and extract air fan EF individually to off low nom or high for digital inputs 1 3 SAVE VTR 300 B 208348 29 Installation and Service Systemair AB E Systemair Menu Level 4 Menu Level 2 Menu Level 3 Explanation Functions DI 4 7 DI 4 7 are default set from factory and can t be changed DI 4 7 4 Stop heat by the user Below follows 5 Ext run a short description of each 6 Rotor function 7 Home Leave Dl4 Makes it possible to disable the integrated electrical re heater Activated input means that the electrical re heater is deactivated DI5 Activate the Extended forced running function The function overrides current set fan speed settings and runs according to the settings in Service gt Ext Force run Choose between Low Nom and High for this function The input is calculated based on the signals from an impulse switch If a standard switch is used the countdown of the set time starts when the switch is switched off DI6 Rotor sensor DI7 Switching on this input decreases the supply air temp set point with 10 C This function is used when t
34. pens completely 10 V signal goes out to the actuator The unit will restart once the water temperature reaches 5 C above the set frost protection temperature A triggered over heat protection gives an alarm in the control panel Reset by pushing the reset button See chapter 9 3 7 If the problem continues contact your installation company or place of purchase SAVE VTR 300 B 208348 Installation and Service 37 Systemair AB E Systemair Alarm Explanation Do the following Rotor Indicates a rotor malfunction The alarm is displayed in the control panel Ifthe rotating heat exchanger has stopped Check the rotor belt See chapter 9 5 e Ifthe heat exchanger is still rotating check that the quick connector for the sensor is connected and that there is an air gap of 5 10mm between the sensor and the magnet Adjust the gap if necessary If the alarm persists the rotor sensor may be faulty Contact your installation company or place of purchase PbFail Error in connection with relay The alarm is displayed in the control panel card for the electrical re heater if installed and activated The heater will not be activated automatic reset ET2 may be remains contact your installation company or place triggered due to high temperature Of purchase Temp Malfunction in one or more of the The alarm is displayed in the control panel temperature sensors f Contact your instal
35. possible to set 2 periods per Per 2 00 00 00 00 day Set week day and time interval for the time you want the unit to be in ON mode Week program Fan speed Use this dialogue frame to determine the ON and OFF Fan speed On level low nom high function for the fans in the Off level week schedule of f low nom high Set ON level Choose between Low Nom or High Default value Nom Set OFF level Choose between OFF Low Nom or High Default value Low Service Fan speed log Use this dialogue frame to see Fan speed how the fans have operated log Level 1 5 during the time h they have Reset NO YES been active SF 140 140 l EF 140 140 The speeds are shown in 5 different levels e Level 1 0 e Level 2 1 29 Level 3 30 44 Level 4 45 59 e Level 5 60 100 Choose between the levels to see the time in hours the fans have been active in the different levels Reset Yes resets the SF and EF time in the left column for all levels The right column continues to count ahead and can not be reset Note Factory reset see Functions gt Factory reset will not affect this function SAVE VTR 300 B Installation and Service 208348 27 Systemair AB systemair Menu Level 1 Menu Level 2 Menu Level 3 Explanation Service Functions Functions Heater Cooler Use this dialogue frame to set up the unit for heating and or Heater Cooler Heater cooling None Electrical Water Cooler None Water
36. t be replaced with a duct sensor which can be acquired as an accessory Sensor type TG K360 See wiring diagram for more information Only electrical or water re heater is allowed i e if a water re heater is selected the electrical re heater is deactivated and vice versa Note If a water re heater battery is installed we strongly recommend you to also install an outdoor air damper with a spring return actuator 9 3 9 Water Cooler A water cooler optional can be acquired as an accessory and be controlled by the unit If a water cooler is installed the supply air sensor SS at Al 1 must be replaced with a duct sensor which can be acquired as an accessory Sensor type TG K360 See wiring diagram for more information SAVE VTR 300 B Installation and Service 208348 35 Systemair AB E Systemair 9 4 Trouble shooting A warning triangle with text in the display indicates an alarm Turn menu selector to the warning triangle and press confirm twice to view the alarm L O Alarm If problems should occur please check the items below before calling your service representative Malfunction Action Fans do not start 1 Check the display for alarms 2 Check fuse for main power supply in the distribution box for the building and all the quick connectors are connected in the unit quick connectors for supply and extract air fans 3 Check that the week program is in ON mode The week program might be in OFF mode with
37. t distance to pollution sources kitchen ventilator exhaust central vacuum system exhaust or similar All external equipment is connected The unit is correctly configured and commissioned e The week schedule and fan speed settings are correctly programmed 8 Operation 8 1 Setting temperature The supply air temperature is set manually in 6 steps in the main menu display by choosing the temperature symbol If an electrical or water re heater is installed the temperature setpoints are 12 0 14 5 17 0 19 5 and 22 0 C Default value 12 0 C If the re heater is deactivated the temperature steps are 15 0 16 0 17 0 18 0 or 19 0 C Default value 15 0 C Each temperature step is illustrated by increasing the filling of the temperature symbol So Temp An unfilled temperature symbol is the 6th setpoint and will activate manual summer mode See chapter 8 3 SAVE VTR 300 B Installation and Service 208348 24 Systemair AB 8 2 Manual setting of fan speed It is possible at any time to manually set the fan speed in the main menu display By choosing the fan symbol and confirming it is possible to increase or decrease the fan speed in the 4 steps Off 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 chapter 6 6 BS Fan speed A Warning The fan can be set to OFF by activating manual fan stop See s
38. tenance service 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 Beware of sharp edges during maintenance Use protective gloves Make sure that filters are mounted in their place before running the system 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 SAVE VTR 300 B 208348 32 Installation and Service Systemair AB 9 2 Internal components Fig 11 Internal components Position Description 1 Mounting bracket 2 External connections 3 Extract air sensor 4 Overheat protection sensor 5 Internal electrical re heater 6 Extract air filter 7 Main print card 8 Supply air fan 9 Rotor motor and belt pulley 10 Rotating heat exchanger 11 Heat exchanger drive belt 12 Rotor sensor 13 Supply air filter 14 Extract air fan 15 Outdoor air sensor 16 Supply air sensor SAVE VTR 300 B Installation and Service 208348 33 Systemair AB 9 3 Component descriptions 9 3 1 Fans The fans have external rotor motors of EC type which can be steplessly controlled individually 20 100 The motor bearings are life time lubricated and maintenance free It is possible to remove the fans for cleaning se
39. the fan speed set to OFF chapter 6 6 4 Check if one of the digital inputs 1 3 DI 1 3 is active and set to off This would force one or both fans to stop depending on the setup chapter 8 5 Reduced airflow 1 Check the display for alarms 2 Check setting of fan speed in the control panel chapter 6 1 1 3 Check week program chapter 6 6 4 Check if one of the digital inputs 1 3 DI 1 3 is active and set to off This would force one or both fans to stop depending on the setup chapter 8 5 5 Check filters Change of filters required 6 Check diffuser louver openings Cleaning of diffusers louvres required 7 Check fans and heat exchange block Cleaning required 8 Check if the buildings air intake and roof unit exhaust have been clogged 9 Check visible duct runs for damage and or build up of dust pollution The unit cannot be 1 Reset control functions by pulling out the main power supply plug for controlled 20 30 seconds Sai funcions he 2 Check the modular contact connection between the control panel and the main print card SAVE VTR 300 B Installation and Service 208348 36 Systemair AB Low supply air temperature 1 Check the display for alarms 2 Check set supply air temperature in the control panel 3 Check the analogue inputs in the service menu to verify that the temp sensors are ok chapter 8 5 Go to Functions gt Analogue input and verify the temperature readings from the
40. ty Manufacturer Systemair AB Industrivagen 3 SE 739 30 Skinnskatteberg SWEDEN Office 46 222 440 00 Fax 46 222 440 99 www systemair com hereby confirms that the following product Heat recovery ventilation unit SAVE VTR 300 B The declaration applies only to product in the condition it was delivered in and installed in the facility in accordance with the included installation instructions The insurance does not cover components that are added or actions carried out subsequently on the product Comply with all applicable requirements in the following directives e Machinery Directive 2006 42 EC e Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC The following harmonized standards are applied in applicable parts EN ISO 12100 2010 Safety of machinery General principles for design Risk assessment and risk reduction EN 13857 Safety of machinery Safety distances to prevent hazard zones being reached by upper or lower limbs EN 60 335 1 Household and similar electrical appliances Safety Part 1 General requirements EN 60 335 2 40 Safety of household and similar electrical appliances Part 2 40 Particular requirements for electrical heat pumps air conditioners and dehumidifiers EN 60529 Degrees of protection provided by enclosures IP Code EN 62233 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure EN 50 106 Safety of househo
41. ust air Extract air 4 4 4 Power consumption and fuse size Re heater 1670 W Fans 176 W Total power consumption 1846 W Fuse 10 A SAVE VTR 300 B Installation and Service 208348 6 Systemair AB 5 Installation This section describes how to install the unit correctly To ensure a proper and fail free operation it is important that the unit is installed according to these instructions 5 1 Unpacking Verify that all ordered equipment are delivered before starting the installation Any discrepancies from the ordered equipment must be reported to the supplier of Systemair products 5 2 Where how to install The SAVE VTR 300 B should preferably be installed in a separate room e g storeroom laundry room or similar When choosing the installation position consideration must be taken that the unit requires regular maintenance Leave free space for opening of the front hatch in order to perform service and maintenance on components inside the unit The SAVE VTR 300 B is supplied with approximately 1 m cable and plug for 230V single phase earthed connection placed at the bottom of the unit Recommended installation location for the outdoor air intake is the northern or eastern side of the building and with a distance to openings for discharge of stale ventilation air kitchen ventilator central vacuum system waste water drainage and other pollution sources like exhaust from traffic etc Stale discharge air
42. wiring diagram The following possibilities are available Digital inputs 1 3 By connecting on off switches to these inputs it s possible to choose 3 individual fan speed settings in the control panel depending on a temporary need for the building for example lowering the extract air fan speed when an open fire place is used See chapter 8 5 DI 3 is prepared and already connected internally for easy access on the unit See chapter 6 10 Digital input 4 Makes it possible to disable the integrated electrical re heater Activated input means that the electrical re heater is disabled Digital input 5 Activate the Extended forced running function with a retractive switch The function overrides current fan speed settings and runs in forced mode according to the settings in Service gt Ext Force run Choose between Low Nom and High for this function The input is calculated based on the signals from an impulse switch If a standard switch is used the countdown of the set time starts when the switch is switched off Digital input 7 Home leave switching on this input decreases the set point for supply air temp with 10 C This function is used when the building is uninhabited for a longer period This function is however not working if the unit has been configured to operate with a hot water heater It is recommended to connect either of DI1 DI2 or DI3 in parallel with DI7 If DI7 is activated set the fans speed to min Fan speed settin
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