User`s manual "VENTS VUT R TN H/ EH EC" ( PDF 3,47Mb )
Contents
1. pGD1 CONTROL PANEL INSTALLATION Connect the pGD1 control panel to the controller connector see the figure page 15 using the 6P6C PLUG 6P6C P C2 phone plug The maximum length of the phone cable is 50 m To mount the control panel on a wall route the phone cable to the selected location 1 Secure the rear part of the casing in the standard box by means of the round head screws supplied f 2 Connect the phone cable to the front part of the control panel Install the frond part of the control panel into the box by fastening it to the rear part of the casing with countersunk screws supplied as shown in the figure below and then install the front bezel by pushing it until it clicks in position www ventilation system com CONNECTION TO POWER MAINS DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY OPERATIONS CONNECTION OF THE UNIT TO POWER MAINS IS ALLOWED BY A QUALIFIED ELECTRICIAN WITH A WORK PERMIT FORTHE ELECTRIC UNITS UP TO 1000 V AFTER CAREFUL READING OF THE PRESENT USER S MANUAL THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER S LABEL ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY The unit is designed for 230 V 50 Hz single phase alternating current mains The cable is not included in the delivery set Use insulated cables with the minimum cross section of 2 5 up to 50 long and 4 mm2. 3 Move the cursor to the address setting field using the Enter button Use the Up and Down buttons to set the desired address value and press Enter SETTING CONTROLLER PLAN ADDRESS VIA THE BUILT IN CONTROL PANEL 1 Power off the controller 2 Power up the controller and immediately press the Up and Alarm buttons simultaneously Hold the buttons pressed until the controller page appears on the screen wait for about 15 seconds pLan address 0 UP increase DOWN decrease ENTEK save amp exit 3 Use the Up and Down buttons to set the device address to 1 4 Press the Enter button within 10 seconds to confirm Failure to press the button within 10 seconds will cause the controller to close the address setting page automatically while keeping the original address value 5 Upon confirmation the controller will restart with a new pLan address automatically SETTING CONTROLLER PLAN ADDRESS VIA pGD1 CONTROL PANEL To set the controller address use the pGD1 panel to set the control panel dGD1 address to 0 To do this follow the steps described in SETTING PLAN ADDRESS FORTHE CONTROL PANEL pGD1 paragraph above Upon setting the control panel address to zero by using the respective buttons on the external control panel follow the steps described in SETTING CONTROLLER PLAN ADDRESS VIA THE BUILT IN CONTROL PANEL paragraph After setting the controller address set the pLan address of the control pan
3. Auto speed becomes available upon entering the Humidity Sensor Feedback mode enabling the unit to increase the air exchange rate automatically at an increase of the relative humidity CO2 level in the served air space ATTENTION This option is only available with the th Tune control panel in a special configuration the external humidity or CO2 control sensor with a 0 10 V output signal to be purchased separately UNIT CONTROL PANELS The unit is controlled via the th Tune or pGD1 control panels Operation mode selection set the operation mode according to the procedure described on Page 19 Fan speed selection set the desired speed level Low High or Medium While the Automatic Speed Drop mode is enabled the fan speed is set automatically to maintain the supply air temperature above the threshold level Short pressing time range on off Activation is confirmed by a pictogram i Press and hold for 3 seconds access to the clock time range setup menu Use the knob to choose the necessary option 2 setting the current date time starts blinking Turn the knob to make the desired setting and press to confirm TIMEBAND setting the time range Press to set the start time and the corresponding temperature setpoint for each time range individually you may create up to six time ranges The pictograms show the current status i e Day Nigh and the th Tune presence or absence of inhabitants in the serviced spaces Press ESC
4. VUT R 400 TN H EC A17 VUT R 700 TN H EC A17 VUT R 900 TN H EC A17 VUT R 400 TN EH EC 17 VUT R 700 TN EH EC 17 VUT R 900 TN EH EC 17 VUT R 400 TN H EC A18 VUT R 700 TN H EC A18 VUT R 900 TN H EC A18 VUT R 400 TN EH EC A18 VUT R 700 TN EH EC A18 VUT R 900 TN EH EC A18 Heat recovery air handling unit equipped with a heat pump 5 Safety requirements 3 5 PUEDOSB 5 Delivery 5 5 Technical dd odi sdb RENE 6 Unit design and operating logic esent 8 Mounting and Setups EODEM neat HE PDA Boro 10 Connection to power 15 14 Eni CODO 15 Technical maintenance 26 Troubleshooting D TT 27 Storage and transportation regulations esses 27 Manufacturer s beue bares einen 28 Acceptance kc 29 29 Installation tel reminds ERU FUN GUI 29 Warranty cat seremerr rene seewer 30 SAFETY REQUIREMENTS e Read the user s manual carefully prior to installing and operating the air handling unit hereinafter referred to as the unit e Fulfil the user s manual requirements as well as the provisions of all the applicable
5. o om e e Exhaust fan Extract filter Heat transfer unit Heat pump Condensate drain www ventilation system com MOUNTING AND SET UP READ THE USER S MANUAL PRIOR TO MOUNTING THE UNIT Ensure adequate access to the unit for maintenance and repair The minimum required clearances between the unit and the adjoining walls are given in the figure below Minimum straight air duct length equal to 1 air duct diameter on intake side equal to 3 air duct diameters on outlet side If the air ducts are not connected or the connected air ducts are too short protect the unit parts from ingress of foreign objects by covering the spigots with a protecting grille or other protecting device with mesh width not more than 12 5 mm to prevent uncontrollable access to the fans Before starting the unit make sure that the rotary heat exchanger cells are clean and free from damage Also check the belt tension adjusted by means of the spring on the motor mount MINIMUM DISTANCES FOR ACCESSING THE UNIT VUT R 400 TN H EC VUT R 400 TN EH EC VUT R 700 TN H EC VUT R 700 TN EH EC VUT R 900 TN H EC VUT R 900 TN EH EC 750 Ensure adequate distance required for condensate discharge Service side the necessary distance is defined by the user while installing the unit based on the outside dimensions of the condensate drain pipe system The unit is suspended on threaded rods screwed into threaded
6. terminal X1 The automatic control system has the following functions 1 Switching the unit on off 2 Unit operation mode selection Automatic mode Cooling mode Heating mode Ventilation mode with pGD1 panel only 3 Maintaining a pre set room temperature by activating deactivating the rotary heat exchanger and the heat pump The automatic control system also controls the 4 way valve while heating or cooling the supply air and the air pre heater unit operation by means of posistor heaters which engage on a section by section basis The first section is engaged when the outdoor air temperature drops below 8 whereas the second pre heating section is engaged when the outdoor temperature drops below 16 The posistor heater is absent on the VUT R TN H EC units If this unit modification is to be used in cold climatic conditions an in line heater should be built into the supply duct The unit has a no contact for heater control 4 Maintaining air humidity below a pre set level 5 Maintaining the CO content in the air below a pre set level The CO sensor is connected to the terminals replacing the humidity sensor The CO sensor must be rated 24 VAC and produce a 0 10 VDC measured voltage output signal 6 Condenser defrosting control in the Heating mode 7 Automatic reduction of the supply and exhaust ventilation flow rate to obtain the user defined heating temperature 8 Blocking cold air supply into the serviced spaces in the
7. Auto or Heating mode by warming up the evaporator 9 Heat pump protection against excessive pressure by means of air flow bursts 10 Supply and exhaust fan operation control 11 Filter contamination control by the number of operating hours 12 Unit operation according to a pre programmed schedule 13 Heat pump protection against abnormally high or low pressure in the freon line 14 Control of the electric actuators operating the external air dampers supply and or exhaust and the recirculation actuator 15 System shutdown on command from the fire alarm board AUTOMATIC CONTROL SYSTEM DESIGN AND OPERATION The automatic control system comprises a Carel controller PCO5 compakt an outdoor air temperature sensor the sensor for the air temperature downstream of the heat exchanger a supply air temperature sensor a sensor for the air temperature in the exhaust duct an indoor air temperature sensor a sensor for the temperature at the heat transfer units a high pressure sensor a low pressure sensor a compressor starter circuit breakers a magnetic starter a supply transformer and an automatic compressor shutdown switch The unit is controlled via th Tune or PGD1 remote control panel The automatic control system enables safe automatic operation of the unit in the Auto Cooling Heating or Ventilation mode In the Auto mode the unit maintains the indoor temperature at the pre set level by automatically switching the 4 way valve to the he
8. The pGD1 offers extended functionality and has identical settings entered via the controller screen see Controller functions and menu pGD1 The main page of the control panel menu displays the following information e date and current time indoor temperature the temperature registered by each sensor can be browsed by pressing the Up and Down buttons outdoor tem perature the temperature downstream of the heat exchanger at the condenser unit and in the exhaust air duct e unit operation mode e temperature setpoint e Selected speed e Scheduled operation on off The main page enables access to the user or engineering menu containing extended information specific to the unit operation and detailed parameters for adjustment PLAN NETWORK CONFIGURATION WHILE USING AN EXTERNAL CONTROL PANEL pGD1 To enable interaction with the control panel boot up the controller in the pLan mode and assign the following pLan addresses to the controller and the control panel Controller 1 Control panel pGD1 30 31 or 32 factory default value SETTING PLAN ADDRESS FOR THE CONTROL PANEL pGD1 1 Connect the control panel to the controller and power up the controller 2 Ignore any information which might show on the display screen and simultaneously press the Up Down and Enter buttons and hold them for 3 5 seconds After this time the message Display address setting 32 appears on the display screen
9. anchors or other fasteners The suitable fasteners are chosen by the installation contractor depending on the roofing system design and the unit weight The unit is also suitable for installation on a flat horizontal surface on the plastic stubs provided SUSPENDED MOUNTING SAFETY PRECAUTIONS The unit must be mounted to a rigid and stable structure The unit must be suspended using anchor bolts Make sure that the base structure is capable of sustaining the unit weight Otherwise reinforce the mounting location with beams or similar elements If the bolts used for the unit mounting are too short the unit can generate abnormal noise and resonate with the ceiling Use bolts of sufficient length to prevent resonance If the abnormal noise is generated at the spiral air duct joint replace the spiral air duct with a flexible one to prevent resonance Flexible anti vibration connectors are another alternative for dealing with resonance CONDENSATE DRAINAGE The unit is equipped with two pans for removal of the condensed water generated during the operation of the heat pump heat transfer units To arrange a condensate drain connect the drain pipes and the U traps to the sewage system using plastic or rubber pipes The pipes must be installed at the minimum downward gradient of 3o Fill the U trap with water before starting the unit During the operation make sure to maintain the sufficient water level in the U trap and enable unobstructe
10. clothes dryer or other similar equipment to the unit or the ventilation system Do not sit on the unit and avoid placing foreign objects on it Do not allow children to operate the unit Do not store any explosive or highly flammable substances in close proximity to the unit When the unit generates unusual sounds odour or emits smoke disconnect it from power supply and contact the Seller Do not block the air duct when the unit is switched on www ventilation system com Do not wash the unit with water Protect the electric parts of the unit against ingress of water Do not put any water containers on the unit i e flower vases etc Disconnect the unit from power mains prior to any technical maintenance Do not damage the power cable while operating the unit Do not put any objects on the power cable Do not open the unit during operation In case of continuous operation of the unit periodically check the security of mounting Do not let air flow from the unit be directed to the open flame devices or candles INTRODUCTION This user s manual includes technical description operation installation and mounting guidelines technical data for the VUT R TN E H EC heat recovery air handling unit hereinafter referred to as the unit PURPOSE Due to the ability to save heating energy by means of energy recovery and heat pump operation the unit is an important element of energy efficient premises The un
11. control panel with an LCD display A18 pGD1 control panel with an LCD display www ventilation system com TECHNICAL DATA The unit is designed for indoor application with the ambient temperature ranging from 1 C up to 40 C and relative humidity up to 80 96 Hazardous parts access and water ingress protection rating IP 44 for the unit motors IP 22 for the assembled unit connected to the air ducts The unit design is constantly being improved so some models can slightly differ from those ones described in this manual TECHNICAL DATA Model VUT R 700 TN EH EC VUT R 900 TN EH EC U LL I LL Z e e Srt 2 gt VUT R 400 TN H EC VUT R 700 TN H EC VUT R 900 TN H EC Unit technical data Max air capacity range m3 h 520 830 955 520 830 955 Transported air temperature C from 10 up to 40 from 25 up to 40 Heat recovery efficiency of the rotary heat exchanger untill 85 i N 1 i Sound pressure level at 3 m distance dB A Casing material High strength galvanized steel Aluzinc 150 160 Rotary Coating Weight kg Connected air duct diameter mm d Heat exchanger type Heat exchanger material Aluminium IB Extract Intake G4 F7 Unit electric parameters Filter 1 230 46 0 75 0 94 1 20 7 s 60 65 65 425 425 R410A Unit voltage V 50 Hz Maximum power in Heat Recovery mode kW 0 0 M
12. exception periods Page 2 4 Exception period setting While in the Scheduled operation mode you may need to create a period of operation to a different set of scheduled settings between two identical entries This is done by setting exception periods Then use the T and buttons to set the desired value To select a parameter press the e button Setting up special days Page 3 4 1 Setting up the special day date While in the Scheduler you may need to program a period of unit operation in one of the modes with a special set of parameters This 1 is done by setting up special days the and buttons to select the day in the month to designate a special day 2 Setting up the special day month 3 Setting up the special day mode Select the Date parameter by pressing the e button and then use Press the e button to select the Month parameter and then use Select the Mode parameter by pressing the e button and then the T and 4 buttons to select the month for assigning a special use the T and buttons to assign the operation mode to the day to special day 4 Selecting the special day setpoint 5 Setting up other special days Other special days are set up similarly Press the button to select the Set parameter and then use the T and buttons to select the setpoint required on the special day Once done with the special day setup press the e button to save the changes After pressing the e button the c
13. local and national construction electrical and technical norms and standards e The warnings contained in the user s manual must be considered most seriously since they contain vital personal safety information e Failure to follow the rules and safety precautions noted in this user s manual may result in an injury or unit damage After a careful reading of the manual keep it for the entire service life of the unit e While transferring the unit control the user s manual must be turned over to the receiving operator Symbol legend A DO NOT UNIT MOUNTING SAFETY PRECAUTIONS Disconnect the unit from power mains prior to any installation or repair operations Do not operate the unit outside the temperature range stated in the user s manual as well as in aggressive or explosive environments While installing the unit follow the safety regulations specific to the use of electric tools Do not change the power cable length at your own discretion Do not bend the power cable Avoid damaging of the power cable The unit must be grounded Do not use damaged equipment or cables when connecting the unit to power mains Unpack the unit with care Do not position any heating devices or other equipment in close proximity to the unit power cable Do not touch the unit controls with wet hands Do not carry out the maintenance operations with wet hands Use the unit only for its intended purpose Do not connect a
14. menu selection Hour meter reset RESET To change the filter replacement alert parameter set the time as desired and press e ALARMS In the event of an alarm the controller display shows the gt To respond to an alarm press the A button to enter the active pictogram alarms menu The controller resets the alarm automatically on detecting that its The active alarms can be reset manually To reset an alarm manually press the 5 button while the active alarms menu to enter the EZ 2 The alarm management menu enables the following actions d viewing the current alarm list viewing the alarm history reset the alarms www ventilation system com TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER MAINS PRIOR TO ANY MAINTENANCE OPERATIONS WITH THE UNIT Maintenance operations of the unit are required 3 4 times per year Maintenance includes general cleaning of the unit and the following operations 1 Filter maintenance Dirty filters increase air resistance in the system and reduce supply air volume The filters require cleaning not less than 3 4 times per year On elapsing of 3 000 operating hours the unit controller generates the filter replacement or cleaning alert Clean or replace the filters and reset the hour meter Vacuum cleaning is allowed After two consecutive cleanings filters must be replaced For new filters contact the Seller SEQUENCE OF FILTER REMOVAL 1 Dis
15. rough handling during loading and unloading Prior to the initial power up after transportation at subzero temperatures allow the unit to warm up at room temperature for at least 3 4 hours MANUFACTURER S WARRANTY The manufacturer hereby warrants normal operation of the unit for 24 months after the retail sale date provided the user s observance of the transportation storage mounting and operation regulations Should any malfunctions occur in the course of the unit operation through the Manufacturer s fault during the guaranteed period of operation the user is entitled to elimination of faults by the manufacturer by means of warranty repair at the factory free of charge The warranty repair shall include work specific to elimination of faults in the unit operation to ensure its intended use by the user within the guaranteed period of operation The faults are eliminated by means of replacement or repair of the unit components or a specific part of such unit component The warranty repair does not include e routine technical maintenance unitinstallation dismantling unit setup To benefit from warranty repair the user must provide the unit the user s manual with the purchase date stamp and the payment document certifying the purchase The unit model must comply with the one stated in the user s manual Contact the Seller for warranty service The manufacturer s warranty does not apply to the following cases e User s failure
16. the heat exchanger and is then directed into the heat pump evaporator While passing through the evaporator the indoor air releases a certain part of its thermal energy which is transferred by the heat pump to the condenser heat recovery unit built into the supply air section Fresh air is delivered by the supply fan passes the filter and the heat exchanger and is then directed into the heat pump condenser unit While passing through the condenser the supply air stream is warmed up by the thermal energy accumulated in the heat pump evaporator Heat pump operation in the Cooling mode The switching between operation modes heating cooling is ensured by the four way valve which alters the refrigerant flow therefore changing the heat exchanger operation mode the heat recovery unit in the exhaust section assumes the condenser function whereas the one in the supply section handles the evaporation The warm fresh air from outdoors is delivered by the supply fan passes through the filter loses some of its thermal energy in the rotary heat exchanger and then enters the heat pump evaporator where it is finally cooled to the pre set temperature The heat pump then transfers the thermal energy extracted from the supply air during the cooling process to the condenser unit The thermal energy accumulated in the condenser is transferred to the environment by means of the exhaust fan air supply VUT R 400 TN E H EC unit design and operating principle service
17. to exit and return to the standard display mode ESC exit After 10 secondsth Tune returns to the main menu automatically Controls unit activation deactivation in some menus a short pressing has the same function as ESC e Enter the desired value and press to confirm Display pictograms 1 Operation mode 2 Main field 3 Fan mode Manual Auto Sez BA Rut d 2 4 Fan speed indicator 7 S 5 Temperature measurement unit EH GSE guum 6 Lock function l li li 7 Setpoint value P sek 8 Relative humidity J J 1 Jy 9 Current time range Q o 10 Day of the week a bar PSI 11 Alarm signal qum qum Simultaneous blinking with symbol 16 indicates f set 12 the Warm up mode or Compressor Protection 13 eomm operation Mon Tue Wed Thu Fri Sat Sun Ql 14 Defrosting mode signal e IL o amp 15 Fan operation signal 16 Operation signal of the electric heating elements EE EE n nnd ncmo nm 17 Disabled 18 Auxiliary field 19 Unit scheduled operation enabled Connect the pGD1 control panel to the controller connector see figure on page 13 using the 6P6C PLUG 6P6C P C2 phone plug The maximum length of the phone cable is 50 m
18. to submit the unit with the entire delivery package as stated in the user s manual including submission with missing component parts previously dismounted by the user e Mismatch of the unit model and the brand name with the information stated on the unit packing and in the user s manual e User s failure to ensure timely technical maintenance of the unit e External damage to the unit casing excluding external modifications as required for installation and internal components caused by the user Redesign or engineering changes to the unit e Replacement and use of any assemblies parts and components not approved by the manufacturer Unit misuse e User s violation of the unit installation regulations e User s violation of the unit control regulations e Unit connection to the power mains with a voltage different from the one stated in the user s manual e Unit breakdown due to voltage surges in the power mains e Discretionary repair of the unit by the user e Unit repair by any persons without the manufacturer s authorization e Expiration of the unit warranty period e User s violation of the unit transportation regulations e User s violation of the unit storage regulations e Wrongful actions against the unit committed by third parties e Unit breakdown due to circumstances of insuperable force fire flood earthquake war hostilities of any kind blockades e Missing seals if provided by the user
19. Full Name The unit has been installed in accordance with the provisions of all the applicable local and national construction electrical and technical codes and standards The unit operates normally as intended by the manufacturer ww ventilation system com Unit Type Heat recovery air handling unit E VUTR TN BH EC Serial Number Manufacture Date Warranty Period Seller s Stamp HE
20. SHOOTING No power supply Motor jammed impeller blades dirty System alarm Unit in Defrosting mode High current consumption caused by a short circuit Fan speed set too low Filters fans or heat exchanger dirty Ventilation system elements air ducts diffusers louver shutters grilles clogged damaged or closed Exhaust filter dirty Unit in Cooling mode Heat pump malfunction Impeller s dirty Compressor damaged Loose screw fastenings of fan or casing No anti vibration connector on air duct pipe flanges Drain pipe clogged damaged or improperly installed Unit operation outside the permissible temperature range Insufficient air flow rate Pressure sensor failure Refrigerant agent level too low Make sure the power supply line is connected correctly otherwise troubleshoot a connection error Turn the unit off Troubleshoot the motor jam and the impeller clogging Clean the blades Restart the unit Identify the system failure by entering the active alarms menu and remedy the problem If the system failure may not be remedied without enlisting expert help contact the Seller While in the Defrosting mode the fans are disabled Turn the unit off Contact the Seller Set higher speed Clean or replace the filters clean the fans and the heat exchanger Clean or replace the ventilation system elements such as air ducts diffusers louvre shutters grilles Clean or replace the extract fil
21. ating or cooling mode by enabling the heat exchanger and the compressor and by sending heating activation signals While in the Heating and Cooling modes the automatic control system ensures the operation of the unit actuators in the required mode heating or cooling only and controls their performance While in the Ventilation mode the unit adjusts the supply and exhaust fan speed but does not control the air temperature The Ventilation mode is appropriate for energy saving and ventilation if the difference between the outdoor and indoor temperatures is insignificant The supply and exhaust fan speed is set for each speed stage as a percentage from the maximum rotation speed The temperature is set up by changing the Setpoint parameter value The fans can be operated according to a daily schedule up to 6 time ranges While in the Heating mode when the heat pump is on the unit periodically enters a defrosting cycle The Defrosting mode is enabled when the condenser temperature falls below the value set via the controller menu defrosting setpoint at the frequency determined by setting the Defrosting duration parameter The Automatic Speed Drop mode can be enabled when the air temperature is low In this mode the fan speed is adjusted according to the supply air temperature The speed is reduced at temperature dropping and is restored to the initial setting provided a sufficient temperature reserve www ventilation system com The
22. aximum power in Heat Recovery Heat Pump mode kW 0 1 Maximum power Heat Recovery Heat Pump Preheating mode kW 20 Maximum unit current A 6 6 in Heating mode COP 36 94 7 5 in Cooling mode ERR 31 Wee 4 6 4 0 Air handling unit energy efficienc Heat pump specifications Refrigerant type Refrigerant weigh kg 2 0 1 6 Thermal performance in the Heating mode kW att 7 G t 45 C Refrigerating capacity the Cooling mode kW att 7 G t 45 C Compressor type 1 56 2 60 3 25 1 56 2 60 3 25 1 20 2 0 2 50 1 20 2 0 2 50 Sealed rotary 16 30 Setpoint temperature range Cooling Heating modes t refrigerant boiling point t dew point temperature option OVERALL DIMENSIONS OF THE UNIT VUT R 400 TN E H EC 180 350 773 UNIT DESIGN AND OPERATING LOGIC The unit has the following operating logic Warm stale extract air from the room flows to the unit where it is filtered by the supply filter Then the air is moved through the rotary heat exchanger then through the condenser evaporator of the heat pump and is exhausted outside with the exhaust fan Fresh air from outside flows into the unit where it is clea
23. blow the heat transfer unites with compressed air or use vacuum cleaner After cleaning re install the heat exchanger into the unit 4 Fanmaintenance once per year Even in case of regular maintenance of the filters some dust may accumulate inside the fans and reduce the fan performance and supply air OW Clean the fans with a soft cloth or brush Do not use water aggressive solvents or sharp objects as they may damage the impeller 5 Condensate drainage maintenance once per year The condensate drainage drain line may get clogged by dirt and dust particles contained in the exhaust air Check the drain line operation by filling the drain pan under the unit with water clean the U trap and the drain line if necessary The unit design allows condensate drain pan cleaning If necessary the drain pans can be removed for thorough washing 6 Supply air flow control twice per year The supply duct grille may get clogged with leaves and other objects reducing the unit performance and supply air delivery Check the supply grille twice per year and clean it as required 7 Ductwork system maintenance once in 5 years Even regular fulfilling of all the prescribed above maintenance operations may not completely prevent dirt accumulation in the air ducts which leads to air pollution and reduces the unit capacity Duct maintenance means regular cleaning or replacement TROUBLESHOOTING POSSIBLE FAULTS AND TROUBLE
24. connect the unit from power mains 2 Undo the screws securing the service panels in place 3 Remove the side panels 4 Pull the filters to remove 5 Replace the filters in the reverse order 2 Heat exchanger maintenance once per year Some dust may accumulate on the heat exchanger block even in case of regular maintenance of the filters To maintain the high heat recovery efficiency regular cleaning is required To clean the heat exchanger remove it from the unit and clean the heat exchanger by using compressed air or a vacuum cleaner Then install the heat exchanger back to the unit CLEAN THE UNIT CAREFULLY SO AS NOT TO DAMAGE THE HEAT EXCHANGER CELLS SEQUENCE OF HEAT EXCHANGER REMOVAL 1 Disconnect the unit from power mains 2 Undo the screws securing the service panels in place 3 Remove the side panels and then unscrew the angle pieces securing the heat exchanger except VUT R 400 TN EH EC 4 Unplug the connector to the heat exchanger motor and remove the grounding terminal 5 Pull the heat exchanger and remove it from the unit 6 Re install the heat exchanger in the reverse order 3 Heat transfer unit maintenance Even in case of regular maintenance of the filters some dust may accumulate inside the fans and reduce the fan performance and supply air flow To clean the heat transfer unites remove the heat exchanger from the unit and
25. d water flow from the unit into the sewage system Failure to do so will result in accumulation of condensate during the heat pump operation which may cause unit failure and water ingress into the serviced spaces Condensate drain pipe Pipe U trap Sewage system Pipe U trap Pipe Condensate drain pipe ON COMPLETING THE UNIT INSTALLATION BALANCE THE AIR FLOW IN THE SUPPLY AND EXHAUST VENTILATION SYSTEM THE SUPPLY AIR FLOW MAY NOT EXCEED THE EXHAUST AIR FLOW BY MORE THAN 15 Th Tune CONTROL PANEL INSTALLATION To install the rear part of the control panel use a suitable mounting box minimum diameter 65 mm and minimum depth 31 mm 1 Use a screwdriver to pull the front and the rear sides of the control 2 Disconnect the 4 pin socket from the front part of the control panel apart panel 3 Complete the electrical connections according to the external connection diagram Page 14 4 Secure the rear part of the control panel in the mounting box using the screws supplied 5 Reattach the 4 pin connector 6 Reassemble the control panel starting from bottom up and make sure that none of the internal wires prevent closing with a click The outline drawing of the control panel rear part is on the left Overall dimensions of the control panel rear part mm
26. e enabled The temperature and speed settings are not this mode the unit automatically adjusts the heat pump operation available While in this mode the unit operates according to a pre to attain the pre set temperature at the selected speed programmed schedule TEMPERATURE SETTING To modify the temperature setting set the cursor at Setpoint by using the button Then use the T and buttons to set the desired value and then press the to confirm Temperature setting range from 15 to 30 FAN SPEED SETTING To select the desired fan speed set the cursor at Fan speed by using the d button Then use the T and buttons to set the desired value and then press the e to confirm Three fan speed stages are available Low Medium and High The fan rotation speed corresponding to each speed stage is set as a percentage of the maximum capacity of each fan via the unit parameter setup menu Fan speed control in the Auto mode requires a th Tune control panel in a special configuration or with an external humidity sensor with a 0 10 V output signal Enable the Humidity feedback speed control and set the maximum and minimum speed for the supply and exhaust fans as a percentage value Set the Auto fan speed UNIT PARAMETERS To enter the user parameter menu press the button Use the T and buttons to select the desired menu item and press the 2 button to enter 1 System information To view the system i
27. el pGD1 to 30 31 or 32 www ventilation system com CONTROLLER FUNCTIONS AND MENU The controller has the following controls and indicators Backlit LCD display The display screen shows the current parameters of the system operation temperature values pre set parameters and alarms Control buttons of the automatic control system Enter Enters specific modes editing a parameter saving an edited parameter and function list navigation Down Navigating one level down or decreasing the edited parameter value Up Navigating one level up or increasing the edited parameter value Cancel Cancelling the parameter edits and exiting the submenu Parameters Access to the additional parameters menu Alarms Access to the alarms view and reset menu THE SERVICE SETTINGS ARE PROGRAMMED AT THE FACTORY THESE SETTINGS MAY BE CHANGED ONLY BY QUALIFIED SPECIALISTS UPON ENTERING THE SERVICE PASSWORD CHANGING OTHER PARAMETERS DOES NOT REQUIRE A SERVICE PASSWORD UNIT START 1 Upon starting the unit choose the controller interface language 2 Once the interface language has been selected the controller EP firmware will load O by using the ap and buttons and then press 4 Current date When using the th Tune control panel the Current time screen has a different configuration but all the readings and settings are identical Current temperatures Room temperature Defrosting mode temperature Downstream o
28. f the heat exchanger Outside temperature Supply air Unit operation mode OFF Ventilation Heating Cooling Auto Schedule The temperature value for the selected mode modify the unit operation parameters move the cursor to the required line using the button Then use the T and buttons to set the desired value and then press the to confirm To exit the parameter change mode without 5 VIEWING THE READINGS FROM THETEMPERATURE SENSORS THE HUMIDITY AND CO SENSORS To view the readings from the temperature sensors installed in the unit move the cursor to the upper left corner by means of the d button and then use the T and buttons to select the necessary sensor for viewing 1 Indoor temperature The feedback is provided by the temperature 2 Supply air temperature The feedback is provided by the sensor built into the control panel or the exhaust duct temperature temperature sensor built into the supply duct downstream of the sensor heat exchanger and the heat transfer unit 4 Temperature downstream of the heat exchanger The feedback is provided by the temperature sensor installed in the supply duct downstream of the heat exchanger but upstream of the heat transfer unit 3 Outdoor air temperature The feedback is provided by the temperature sensor built into the supply duct upstream of the heat exchanger air duct UNIT OPERATION MODE SELECTION The unit has 6 operation modes To selec
29. in th Tune the control panel must be installed in the space supplied by the unit T1 is the setpoint for the supply air temperature at which the unit will switch to a lower speed in case of failure to attain the pre programmed temperature conditions T4 is the temperature increase relative to T1 for switching to the pre programmed speed The Humidity sensor parameter enables changing the humidity measurement location To control the humidity level at the control panel mounting location if the panel is equipped with a humidity sensor select the th Tune parameter If the unit is equipped with an external humidity CO sensor and the exhaust air parameter is selected the humidity CO measurements are taken at the sensor mounting location The fan speed if the Auto fan mode is selected will vary within the parameters defined by setpoints from U1 and U3 to U2 and U4 so that the humidity CO levels are maintained below the Humidity CO set threshold value 4 04 Hour meter operation If the unit is equipped with a recirculation damper the mode can be set to either Auto or Manual If the manual mode is selected set the necessary damper opening angle 30 96 by factory default On elapsing of the filter replacement interval 3 000 hours by default the system will generate a filter replacement alert To reset the filter replacement alerts once the filter has been replaced press the button to make the following
30. it is a component part and is not designed for independent operation The unit is designed to ensure continuous mechanical air exchange in houses offices hotels cafes conference halls and other utility and public spaces as well as to recover the heat energy contained in the air extracted from the premises to warm up the filtered stream of supply air The unit is designed for floor and suspended mounting The unit is rated for continuous operation Transported air must not contain any flammable or explosive mixtures evaporation of chemicals sticky substances fibrous materials coarse dust soot and oil particles or environments favourable for the formation of hazardous substances toxic substances dust pathogenic germs THE UNIT MAY NOT BE OPERATED BY CHILDREN OR PERSONS WITH REDUCED PHYSICAL MENTAL OR SENSORY CAPACITIES OR LACKING THE APPROPRIATE TRAINING THE UNIT MUST BE INSTALLED AND CONNECTED ONLY BY PROPERLY QUALIFIED PERSONNEL AFTER THE APPROPRIATE BRIEFING THE CHOICE OF UNIT INSTALLATION LOCATION MUST PREVENT UNAUTHORIZED ACCESS BY UNATTENDED CHILDREN DELIVERY SET VUT R XXX TN EH EC Unit type VUT ventilation with heat recovery Heat exchanger type rotary Air capacity m3 h Heater cooler type TN heat pump Preheating type E electrical heater Spigot orientation H horizontal Motor type EC electronically commutated Control A17 th Tune
31. ned in the intake filter Then the air flows through the electric heater which is used for air preheat in the cold season Then the air flows through the rotary heat exchanger to the condenser evaporator of the heat pump and is moved to the room with the supply fan Heat energy of warm extract air is transferred to clean intake fresh air from outside and warms it up in the rotary heat exchanger Heat recovery minimizes thermal energy losses and space heating expenses in cold seasons Energy produced by the heat pump intensifies the heat recovery effect The fresh intake air is heated or cooled by the heat exchanger and then by the heat pump When the heat pump and the rotary heat exchanger work simultaneously the energy released to the energy consumed ratio is 1 8 which means that each kilowatt of electricity generates up to 8 kW of heat output The energy is first recovered in the heat exchanger and then the fresh air supplied into the serviced space is additionally heated or cooled by the heat pump Heat pump operation in the Heating mode The heat pump operates according to the reverse Carnot cycle Ensuring the transfer of heat from a low grade source exhaust stale air from the serviced spaces to the high grade one hot supply air downstream of the heat exchanger supplied into the serviced spaces the heat pump itself produces no thermal energy In other words the stale air is removed by the extract fan from the spaces passes through the filter and
32. nformation enter the user parameter menu and Page 1 3 contains the following parameters select System info The System info menu consists of three Current supply fan speed 96 Current exhaust fan speed 96 Current heat exchanger state On heat exchanger enabled Off heat exchanger disabled Current compressor state On compressor enabled Off compressor disabled Current operation mode of the 4 way valve On 4 way valve enabled Off 4 way valve disabled Recirculation damper opening 96 Page 2 3 contains the following parameters Page 3 3 contains the controller firmware information Outdoor air temperature Supply air temperature Indoor air temperature Exhaust duct temperature Air temperature downstream of heat exchanger Thawing temperature sensor 2 Set time amp scheduler To set the clock and operation schedule enter the user parameters menu and select Set time amp scheduler The Set time amp scheduler menu consists of four pages To navigate between the pages To navigate between the pages use the T and buttons Page 1 4 enables setting the unit operation schedule Press the button to select the desired parameter and then set its value using pages use the T and buttons the T and buttons Attention With the th Tune panel connected the operation schedule is set via the control panel www ventilation system c
33. om Schedule setup 1 Day selection 2 Setting the schedule recording start time Use the button to select the Day parameter and then use the Press the button to start setting the first entry Then use the T T and buttons to select the day for setting the schedule 3 Operation mode setup After setting the time press the d button to set the unit operation mode Use the T and buttons to select one of the following modes Disabled Ventilation Heating Cooling Auto Scheduled operation 5 Setting up other entries Other entries are set up similarly and i buttons to set the start time for the first entry in hours After that press the e button to set the time in minutes and then use the T and buttons to set the minute value 4 Selecting a setpoint After setting the operation mode press the e button to adjust the setpoint Use the T and buttons to select one of the pre programmed setpoints Open the Set time amp scheduler menu on page 3 3 to define the setpoints on page 4 4 6 Copying schedule entries to other days After programming all the necessary entries they can be copied to any other day of the week To do this 1 Use the button to set the cursor at Copy to 2 Use the T and buttons to select a day of the week all days 3 Press e and then use the T and buttons to select Yes 4 To confirm the copying operation press the e button Setting up
34. rate order 2 maximum connecting cable length is 20 m 3 the maximum length of the R1 terminated cable is selected according to the table below MAXIMUM CABLE LENGTH FROM CONTROLLER TO CONTROL PANEL Cable type 6P6C phone cable AWG24 shielded cable up to 200 m Contact the manufacturer if a longer cable is required UNIT CONTROL The unit is equipped with a built in automatic control system and a control panel Control unit VUT R 700 TN EH EC VUT 900 TN EH EC of VUT R 400 TN EH EC control unit pGD1 control panel pGD1 control panel connector Condenser C1 connector Condenser C1 Electromagnetic ell e relay K1 K2 1 3A fuse Automatic circuit F1 3 A fuse Automatic circuit F2 1 A fuse EE breaker Q1 F2 1 A fuse breaker 1 N E pCO5 compact p 5 compact controller Z1 controller Z1 Neutral bus S Neutral bus amp in a plastic casing 5 5 in a plastic casing m e S Electromagnetic 6 9 relay K1 K2 K3 f Magnetic starter 1 Magnetic starter terminal X1 L En Nds aa KM1 999909999998 ransformer e Transformer TR1 e T 5 Bolt down gt
35. s manual e Failure to submit the user s manual with the unit purchase date stamp e Missing payment document certifying the unit purchase FOLLOWING THE REGULATIONS STIPULATED HEREIN WILL ENSURE A LONG AND TROUBLE FREE OPERATION OF THE UNIT USERS WARRANTY CLAIMS SHALL BE SUBJECT TO REVIEW ONLY UPON PRESENTATION OF THE UNIT THE PAYMENT DOCUMENT AND THE USER S MANUAL WITH THE PURCHASE DATE STAMP ACCEPTANCE CERTIFICATE Unit Type Model _ ByTP__TH EC Serial Number Manufacture Date OO We hereby declare that the product complies with the essential protection requirements of Electromagnetic Council Directive 2004 108 EC 89 336 EEC and Low Voltage Directive 2006 95 EC 73 23 EEC and CE marking Directive 93 68 EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility This certificate is issued following test carried out on samples of the product referred to above Quality Inspector s Stamp SELLER INFORMATION Phone Number This is to certify acceptance of the complete unit delivery with the user s manual The warranty terms are acknowledged and accepted Customer s Signature VUT R TN E H EC heat recovery air handling unit has been connected to power mains pursuant to the requirements stated in the present user s manual Company Name Address Installation Technician s
36. side view Heat transfer unit Drain pan Rotary heat exchanger Electric heater Supply fan VUT R 400 TN EH EC models only Control unit Intake filter e e e e d li P ii e e e i 2 1 E x rm UH EXTRACT AIR 8 Exhaust fan Extract filter Heat transfer unit Heat pump Condensate drain pan VUT R 700 TN E H EC VUT R 900 TN E H EC design and operating principle service side view Heat transfer unit Drain pan Rotary heat exchanger Electric heater Supply fan VUT R 700 900 TN EH EC models only Control unit Intake filter 4 P e B e 1 H e e e H u f x e c e 00 AN EXTRACT AIR e RS
37. t the desired mode set the cursor at the Mode word by using the d button Then use the T and i buttons to set the desired value and then press the e to confirm 2 FAN the fans run at the pre selected speed The heat exchanger and the heat pump are disabled The temperature settings are not available This mode can be enabled only from the pGD1 control panel 1 OFF the fans and the heat exchanger are disabled Temperature and speed settings are not available www ventilation system com 3 Heating the fans the heat exchanger and the heat pump are 4 Cooling the fans the heat exchanger and the heat pump are enabled The user may change the temperature and speed settings enabled The temperature and speed settings are available While While in the Heating mode the unit operates only to the effect of in this mode the unit operates only to the effect of decreasing the increasing the indoor temperature up to the pre set value indoor temperature to the pre set value If the indoor or the outdoor If the indoor or the outdoor temperature is inconsistent with this temperature is inconsistent with this mode settings the unit will mode settings the unit will switch to the Auto mode automatically switch to the Auto mode automatically 5 Auto the fans the heat exchanger and the heat pump are 6 Scheduler the fans the heat exchanger and the heat enabled The temperature and speed settings are available While in pump ar
38. ter Check the unit operation settings Turn the unit off Contact the Seller Clean the impeller s Turn the unit off Contact the Seller Tighten the screw connection of the fans or the casing against stop Install anti vibration connectors Clean the drain line Check the drain line slope angle Make sure that the U trap is filled with water and the drain pipes are frost protected Ensure proper temperature at the unit mounting location See Alarm low air flow Turn the unit off Contact the Seller Turn the unit off Contact the Seller STORAGE AND TRANSPORTATION REGULATIONS Store the unit in the manufacturer s original packing box a dry closed ventilated premise with temperature range from 5 C to 40 C Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion insulation and sealing deformation Use hoist machinery for handling and transportation to prevent possible mechanical damages of the unit www ventilation system com THE UNIT MAY NOT BE INCLINED MORE THAN 45 DEGREES IN RELATION HORIZON Follow the applicable moving regulations specific to the particular cargo type while loading and unloading The unit can be transported in the original packing by any mode of transport without limitation provided proper protection against precipitation and mechanical damage The unit can be transported only in the working position Avoid sharp blows scratches or
39. up to 100 m long The cable cross section is given for reference only The actual conductor cross section selection must be based on its type the maximum permissible heating insulation length and installation method The unit is connected to power mains via an automatic circuit breaker with a magnetic trip built into the stationary wiring The trip current of the automatic circuit breaker must correspond to the current consumption see the Technical data table on page 6 Use copper cables only All the control and power supply cables must be connected in accordance with the terminal markings while observing proper polarity EXTERNAL CONNECTIONS DIAGRAM EXTERNAL HEATER FOR VUT E H EC A17 UNITS WIRING DIAGRAM 4 5 6 7 9 5 6 7 8 T sana L no contact 6 A P1 th Tune N ELECTRIC SHOCK HAZARD The VUT R TN H EC models en able connection of an additional external heater to the enabling signal output green yellow gum GND Ref Ree GND white 24V Power input 230 VAC The heater is not included with the VUT R TN H EC units Supply and or exhaust damper electric actuator Heat recovery damper electric actuator Humidity or CO2 sensor with 0 10 V output Oo o m 3x025mm Contact from fire alarm panel j Controlpanel 1 the appliances are not supplied with the unit are available on the sepa
40. ursor will jump to the first step of setting the next special day www ventilation system com Setting up setpoints Page 4 4 The setpoints for schedule entries are programmed on page 4 4 Setting up setpoints Press the e button to select a parameter Then use the T and buttons to set the desired parameter value You may program up to three entries Set the fan speed and temperature for each setpoint UNIT PARAMETER SETUP To set up the unit parameters enter the user parameters menu and select Parameters The Parameters menu consists of four pages To navigate between the pages use the T and 4 buttons Page 2 04 Setting up temperature setpoints Press the el button to select the temperature setpoint and then use the T and buttons to define the setpoint value After that press the d button to save the settings Page 3 04 Setting up humidity CO2 sensor feedback operation Page 1 04 Setting up fan speed Use the d button to select the supply or exhaust fan speed as necessary and then press the T and buttons to set the speed value as a percentage of the maximum speed After that press the button to save the settings The Main sensor parameter allows changing the temperature measuring location to account for the value and subsequent processing by the firmware If the unit serves a number of spaces the parameter value should be set to Exh air If the parameter value is selected
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