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USER'S MANUAL

Single-room air handling unit

DVUT 1000 PB EC

DVUT 1000 PBE EC

DVUT 1000 PBE2 EC

Summary of Contents for DVUT 1000 PB EC

Page 1: ...USER S MANUAL Single room air handling unit DVUT 1000 PB EC DVUT 1000 PBE EC DVUT 1000 PBE2 EC ...

Page 2: ...ties or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the unit by a person responsible for their safety Children should be supervised to ensure that they do not play with the unit This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and kn...

Page 3: ...rks Check the unit for any visible damage of the impeller the casing and the grille before starting installation The casing internals must be free of any foreign objects that can damage the impeller blades While mounting the unit avoid compression of the casing Deformation of the casing may result in motor jam and excessive noise Misuse of the unit and any unauthorised modifications are not allowe...

Page 4: ... 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 intake air The unit is not intended for organizing ventilation in swimming pools saunas greenhouses summer gardens and other spaces with high humidity Due to t...

Page 5: ...tion with the ambient temperature ranging from 1 C up to 40 C and relative humidity up to 60 without condensation In cold damp rooms there is a possibility of freezing or condensation inside and outside the casing 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 ...

Page 6: ...6 DVUT 1000 PB EC www ventilation system com OVERALL AND CONNECTING DIMENSIONS mm 1242 1763 323 244 320 315 252 1163 1006 601 5 1295 5 421 1159 651 981 1180 664 484 2xØ11 672 492 25 2xØ11 2327 581 ...

Page 7: ... bypass damper The damper automatically opens the bypass air duct directing the supply air flow bypassing the heat exchanger By automatically turning the preheater on A freezing danger appears if the exhaust air temperature downstream of the heat exchanger is below 5 C and the intake air temperature upstream of the heat exchanger is below 3 C After increase of the exhaust air temperature the unit ...

Page 8: ...filter 3 Exhaust fan 4 Supply fan 5 Heat exchanger 6 Supply air reheater 7 Supply air preheater 8 Extract filter differential pressure switch 9 Supply filter differential pressure switch 10 Control unit 11 Decorative panels 12 Service door 13 CO2 sensor not included in the delivery set 14 Humidity sensor not included in the delivery set 15 VOC sensor not included in the delivery set ...

Page 9: ...9 www ventilation system com Air movement inside the unit ...

Page 10: ...On the block 4 unscrew the screws and remove the grille with the louvres 2 In units with a preheater remove it Unscrew the screws on the heater block cover and remove it Disconnect the connectors near the heater block Remove the screws that secure the heater Remove the heater 3 Disconnect cables with connectors XP30 XP31 XP32 XS33 XS34 from the control unit 4 Inside the block disconnect the cables...

Page 11: ...upplied mounting bracket 6 and 2 L brackets 5 Two more brackets 7 can be mounted behind the unit depending on the type of mounting min 1500 mm min 1500 mm min 1400 mm To get the best performance of the unit and to minimize turbulence induced air pressure losses connect the straight air duct section to both unit spigots Minimum straight air duct length equal to 1 air duct diameter on intake side eq...

Page 12: ... room side From the outside of the room the air duct must be cut flush with the wall of the building for the installation of ventilation grilles purchased separately Adjustment of the air duct length is possible before and after its fixation in the wall In the first case the required length must be calculated before mounting and in the second case sufficient access must be provided to cut the air ...

Page 13: ...he unit spigots Fix the unit to the ceiling using L brackets with anchor bolts Mount and connect the front block Mount the front block in the reverse order in units with a heater install it in its original place Connect the connectors of the control devices according to the marking Once cables and conductors have been connected any sagging must be eliminated with cable ties ...

Page 14: ...en the top and bottom panels Install the hinged doors Remove the retaining screws Hang the doors Install the retaining screws to prevent the doors from sliding off WARNING Before installation the door and casing of the unit must be grounded using ground wires Attach the safety cables to the doors with the safety hooks ...

Page 15: ... 50 mm WARNING To ensure water drainage pipes should be mounted with a slope of at least 3 Provide free drainage for the condensed water otherwise it is accumulated inside the unit that may cause the equipment damage and condensate outflow to the room The condensate drainage system is designed for normal operation in premises with air temperatures above 0 C If the expected ambient air temperatures...

Page 16: ... installation the heat exchangers must be removed 1 2 3 Sensor positioning The CO2 sensor and VOC sensor are fixed on brackets The humidity sensor is fastened with a threaded rivet 1 2 5 4 3 1 terminal block of the CO2 sensor 2 bracket of the CO2 sensor 3 threaded rivet fixing place of the humidity sensor 4 terminal block of the VOC sensor 5 mounting bracket for the VOC sensor ...

Page 17: ...ket Reassemble the sensor in reverse order and fix it to the bracket Connect the humidity sensor to the connector installed on the cable Once the sensors are connected the control configuration in the controller must be changed For this contact the Seller Sensor wiring diagram CO2 sensor connection VOC sensor connection 1 2 3 4 5 24 V GND OUT NO COM 3 2 1 1 2 3 1 2 3 CO2 sensor connection Unit con...

Page 18: ...ected unit The automatic circuit breaker is not included in the delivery set and must be ordered separately ACCESS TO THE CONTROL UNIT EXTERNAL WIRING DIAGRAM DVUT 1000 PB EC X1 5À N L1 L2 L3 PE N L1 L2 L3 F1 X1 5À N L3 PE N L3 F1 1 2 PK1 1 Boost X2 3 2 1 4 5 6 NO C NC C NO C 2 CCU GND A B 24V P1 2 1 4 RS 485 GND A B 24V A1 3 230 V 400 V 1 phase connection only for units without a heater 3 phase c...

Page 19: ...s 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 Vacuum cleaning is allowed After two consecutive cleanings filters must be replaced For new filters contact the Seller Filter removal 1 Disconnect...

Page 20: ...te and remove the second heat exchanger 7 After technical maintenance install the heat exchangers in the reverse order 3 Fan maintenance 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 flow Clean the fans with a soft cloth brush or using compressed air Do not use water aggressive solvents or sha...

Page 21: ...nger is clogged Clean the heat exchanger Noise vibration The impeller s is clogged Clean the impeller s The fan or casing screw connection is loose Tighten the screw connection of the fans or the casing against stop No anti vibration connectors on air duct pipe flanges Install anti vibration connectors STORAGE AND TRANSPORTATION REGULATIONS Store the unit in the manufacturer s original packaging b...

Page 22: ...t the Seller 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 manu...

Page 23: ...ATE The _____________________________________ 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 sta...

Page 24: ...V177 1EN 03 ...

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