Vents DVUE 300 HB, User Manual

Page 1: ...DVUT DVUE 300 HB HBE HBE2 DVUT 500 HB HBE HBE2 Single room heat recovery air handling unit USER S MANUAL ...

Page 2: ...n key 5 Technical data 6 Design and operating principle 8 Mounting and set up 10 Connection to power mains 14 Technical maintenance 16 Troubleshooting 18 Storage and transportation regulations 18 Manufacturer s warranty 19 Certificate of acceptance 23 Seller information 23 Installation certificate 23 Warranty card 23 ...

Page 3: ...ost seriously since they contain vital personal safety information 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 While transferring the unit control the user s manual must be turned over to the receiving operator UNIT INSTALLATION AND OPERATI...

Page 4: ... 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 open the unit during operation Do not direct the air flow produced by the unit towards open flame or ignition sources Do not block the air duct when the unit is switched on In case of continuous operation of the unit periodically check the security of mou...

Page 5: ...ing horizontal spigots Rated air capacity m3 h Ventilation unit series DVUT single room heat recovery ventilation unit DVUE single room energy recovery ventilation unit PURPOSE 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...

Page 6: ...ication with the ambient temperature ranging from 1 C to 40 C and relative humidity up to 80 In order to prevent condensation on the internal walls of the unit it is necessary that the surface temperature of the casing is 2 3 C above the dew point temperature of the transported air The unit is rated as a Class I electrical appliance Hazardous parts access and water ingress protection rating IP22 f...

Page 7: ... 1 7 1 7 1 7 Maximum unit current incl electric heater s A 0 9 7 13 1 0 9 7 13 1 1 7 7 8 20 Maximum air flow m3 h 320 320 320 320 320 320 580 580 580 Noise level 1 m dBA 31 33 Noise level 3 m dBA 21 23 Transported air temperature C 25 40 Casing material painted steel Insulation 40 mm mineral wool Extract filter G4 x 2 Supply filter G4 F8 Optional supply filter material size filtration rate H11 F8 ...

Page 8: ...tors must be routed through the cable glands to the terminal block located on the top casing panel The wiring diagram for wiring of the air handling unit is shown on the inner side of the terminal box lid The unit design enables installation of a bypass duct with a bypass damper to route the intake air stream without contacting the heat exchanger The unit has three automatic heat exchanger freeze ...

Page 9: ...ode CO2 sensor Measures the level of concentration of carbon dioxide in the room and generates a signal that controls the performance of the fan Air capacity control based on CO2 concentration is an efficient energy saving solution VOC sensor Qualitative assessment of air saturation with contaminants cigarette smoke exhaled air solvent and detergent vapours The sensor sensitivity can be adjusted w...

Page 10: ...g feet The levelling feet on the bottom of the unit ensure exact alignment of the unit during mounting For alignment of the unit loosen the nuts and adjust position of the support disc manually using a wrench Then tighten the upper and the lower nut To attain the best performance of the unit and to minimise turbulence induced air pressure losses while mounting connect straight air duct sections to...

Page 11: ...he unit during the heat exchanger operation which in turn may cause equipment failure and water ingress into the premises Fill up the U trap with water before using it When using other U trap systems read the installation instruction to prepare the condensate drain system for operation For the units with a drain pump make sure that the flexible hose from the pump must is connected to the sewage sy...

Page 12: ...ntrol configuration in the controller Contact the product Seller for doing that The CO2 sensor must be installed in the exhaust air duct upstream of the heat exchanger Open the unit remove the upper part of the protective cover Using a screwdriver remove the screw on the bracket holding the insert Then use a small screwdriver to disconnect the connector Disassemble the CO2 sensor in accordance wit...

Page 13: ...ty sensor on the bracket 2 remove the insert by unscrewing the screw on the bracket Screw the humidity sensor to the desired bracket and connect the sensor connector to the cable connector from the control unit installed by the manufacturer To install the CO2 VOC sensor disassemble the sensor in accordance with the instructions supplied with it To install the CO2 sensor remove the insert by unscre...

Page 14: ...luded in the delivery set and must be ordered separately Extra connections are shown in dotted lines in the wiring diagram The unit is rated for connection to 1 230 V 50 60 Hz power mains The unit must be connected to power mains using insulated electric cables with a wire cross section of at least 2 5 mm2 and with a cable length of up to 50 m The conductors cross section value is indicative The a...

Page 15: ...nit contact such as RH CO2 VOC sensor NO C Connect the CO2 sensor to the terminals 6 and 7 In this case connection relies on a normally open dry contact Once the contact is closed the unit starts to run with the maximum speed The cable for connection of the control panel to the air handling unit must be of 4x0 25 mm2 type and have the maximum length 10 m EXTERNALWIRING DIAGRAM FORTHE UNITSWITH A21...

Page 16: ...r replace the filters and reset the operating hours The filter timer must be reset by a service engineer Filter cleaning with a vacuum cleaner is allowed After two consecutive cleanings the filters must be replaced For new filters of the type stated in the technical data please contact to the unit Seller Steps for removal of the filters Disconnect the unit from power supply Open the service door u...

Page 17: ... filters some dust may accumulate inside the fans and reduce the fan performance and supply air flow Clean the fans with a soft cloth brush or compressed air Loosen the hand screws on the heat exchanger that retain the heat exchanger Do not use water aggressive solvents or sharp objects as they may damage the impeller 4 Maintenance of air intake devices twice per year The supply grille may get clo...

Page 18: ...ent as a result of short circuit in the electric circuit Turn the unit off Contact the product Seller Low air flow Low set fan speed Set higher speed Clogged filters fans or heat exchanger Clean or replace the filters Clean the fans and the heat exchanger Clogged or damaged air ducts diffusers louver shutters grilles or other ventilation system components Clean or replace the air ducts diffusers l...

Page 19: ...ller for warranty service The manufacturer s warranty does not apply to the following cases User s failure 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 Mismatch of the unit model and the brand name with the information stated on the unit packaging and in the user s manual User ...

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Page 23: ...The DVUT DVUE ______ HB ______ EC ______ A ______ unit is installed pursuant to the requirements stated in the present user s manual Installation Stamp Company name Address Phone Number Installation Technician s Full Name Installation Date Signature The unit has been installed in accordance with the provisions of all the applicable local and national construction electrical and technical codes and...

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