USER`S MANUAL UWT SERIES
Contents
1. UWT SERIES CONTROL UNIT FOR AOW SERIES AIR HEATING COOLING UNITS WITH WATER HEAT EXCHANGERS CONTENTS Safety requirements Purpose Delivery set Designation key Technical data Unit design and operating logic Mounting and set up Connection to power mains Technical maintenance Storage and transportation regulations Manufacturer s warranty Acceptance certificate Seller information Installation certificate Warranty card o u u u u w This user s manual consisting of the technical details operating instructions and technical specification covers the installation and mounting of the control unit for AOW series air heating cooling units with water heat exchangers hereinafter control unit or unit as mentioned in the Safety requirements and Manufacturer s warranty sections as well as in warnings and information blocks m SAFETY REQUIREMENTS Read the user s manual carefully prior to installing and operating the unit Fulfil the user s manual requirements as well as the provisions of all the applicable local and national construction electrical and technical norms and standards The warnings contained in the user s manual must be considered most 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 servi2. Sealed lead ins 2 provide cable access into the control unit casing The cables are connected by means of bolt down terminals 3 The control unit is equipped with a thermal fuse 4 which protects the device from damage in the event of a short circuit Fig 1 The control unit is operated in conjunction with a room thermostat to be ordered separately TST TSTD room thermostat with a sensor display SET 10 25 C 10 51 MS A To enable measuring the temperature on the premises as required to set the air heating cooling unit operation mode the room thermostat must be installed in the same space with the air heating cooling unit To ensure correct operation of the warm air heating cooling unit the thermostat installation location must be protected from the effects of temperature resulting from open windows and doors convection of air with varying temperature levels etc A group of several air heating cooling units may share the same thermostat unit provided that they are installed in the same space as the thermostat In this case the heaters coolers must be connected as shown in Fig 4 and Fig 6 option B One thermostat can control an unlimited number of heaters coolers a MOUNTING AND SET UP DO NOT DO NOT CONNECT THE UNIT TO ELECTRIC MOTORS WITH CONSUMPTION CURRENT RATING EXCEEDING THE MAXIMUM LOAD CURRENT OF THE CONTROLLER DO NOT DO NOT CONNECT THE OUTPUT TERMIN
3. ALS OF THE UNIT TO POWER MAINS AFTER TRANSPORTATION OR STORAGE UNDER BELOW ZERO TEM PERATURES KEEP THE CONTROL UNIT AT ROOM TEMPERATURE FOR AT LEAST 4 HOURS BEFORE CONNECTING IT TO THE POWER MAINS Inspect the unit visually for any damage to the casing Open the unit front panel see Fig 5 Attach the control unit to the mounting surface with self tapping screws and mounting holes 1 see Fig 5 THE CONTROL UNIT IS INTENDED TO OPERATE IN A VERTICAL POSI TION J Complete the electrical connections according to the Wiring diagram see Fig 6 Connect the external electric cables to the control unit by means of bolt down terminals 3 see Fig 5 Route the cables into the unit casing through sealed lead ins 2 see Fig 5 Apply the supply voltage to the unit and start it up SR SVENTE m cej a CONNECTION TO POWER MAINS One UWT series control unit is capable of controlling more than one AOW air heating cooling unit The number of heaters coolers connected additionally depends on the power output of the main unit motor The motors of the heaters coolers must be connected to terminal block X2 according to the Wiring diagram see Fig 6 The table gives the maximum number of motors additionally connected to the main one depending on its type Additionally connected WIRING DIAGRAM Option A Connection option depending o
4. AND TRANSPORTATION REGULATIONS Store the unit in the manufacturer s original packing box in 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 suitable hoist machinery for handling and storage operations to prevent possible damage to the unit Follow the handling requirements applicable for the particular type of cargo The unit can be carried in the original packing by any mode of transport provided proper protection against precipitation and mechanical damage Avoid sharp blows scratches or rough handling during loading and unloading E 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 dur ing 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
5. ce life of the unit While transferring the unit control the users manual must be turned over to the receiving operator Symbol legend A DO NOT UNIT MOUNTING AND OPERATION SAFETY PRECAUTIONS e Disconnect the unit from power mains prior to any installation op erations Do not lay the power cable of the e While installing the unit follow unit in close proximity to heating the safety regulations specific to equipment the use of electric tools e The unit must be grounded Do not change the power cable length at your own discretion Do not bend the power cable e Avoid damaging the power cable e Do not put foreign objects on the e Do not operate the unit outside the temperature range stated in the user s manual e Do not operate the unit in ag gressive or explosive environ power cable ments Do not use damaged equipment or cables when connecting the unit to power mains Do not touch the unit controls with wet hands Do not wash the unit with water Do not carry out the installation and e Protect the electric parts of the maintenance operations with wet unit against ingress of water gt Unpack the unit with care hands e Disconnect the unit from pow er mains prior to any technical maintenance Do not allow children to operate the unit e When the unit generates unusu al sounds odour or emits smoke disconnect it from power supply and contact the Seller Do n
6. ctor s Stamp E SELLER INFORMATION m O C WO m This is to certify acceptance of the complete control unit delivery with the adena user s manual The warranty terms are acknowledged and accepted INSTALLATION CERTIFICATE UWT___ control unit has been connected to power mains pursuant to the requirements stated in the present user s manual Company Name Address Phone Number Installation Technician s Full Name Installation Technician s Installation Date Company Seal The control unit has been installed in accordance with the provisions of all the applicable local and national construction electrical and technical codes and standards The control unit operates normally as intended by the manufacturer WARRANTY CARD Control unit Pa o le a Unit Type for VENTS AOW series warm air heating z cooling units with water heat exchangers 5 Model Purchase Date feller St Seller s Stamp O VZNTZ
7. he unit by the user Unit repair by any persons without the manufacturer s authorization Expiration of the unit warranty period User s violation of the unit transportation regulations User s violation of the unit storage regulations Wrongful actions against the unit committed by third parties Unit breakdown due to circumstances of insuperable force fire flood earthquake war hostilities of any kind blockades Missing seals if provided by the user s manual Failure to submit the user s manual with the unit purchase date stamp Missing payment document certifying the unit purchase FOLLOWING THE REGULATIONS STIPULATED HEREIN WILL ENSURE ALONG AND TROUBLE FREE OPERATION OF THE UNIT USERS CLAIMS SHALL BE A SUBJECT TO REVIEW ONLY UPON PRES ENTATION OF THE UNIT THE PAYMENT DOCUMENT AND THE USER S MANUAL WITH THE PURCHASE DATE STAMP a ACCEPTANCE CERTIFICATE 7 Control unit for VENTS AOW series air heating cooling units with water Unit Type heat exchangers ma manse 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 mark ing 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 Inspe
8. n the motor type Not included in the delivery set T1 Option B Unit No Water heater No n Fig 6 PEj 1 2 3 4 5 6 PEU1N 1 2 3 4 5 5 U i o si pT ema gt R m Type z TST 1 300 NEW NRA A1 AOW control board N PE Ci Capacitor M1 Fan electric motor SB1 Switch Connection option depending on the motor type SP1 _ Electric actuator circulation pump Not included in the delivery set T1 Room thermostat TR1 Automatic transformer 230 V 2 A ALL THE CONNECTIONS INCLUDING THE ROOM THERMOSTAT RE QUIRE INSULATED WIRES RATED FOR THE VOLTAGE UP TO 250 V E TECHNICAL MAINTENANCE Clean the air vents of the control unit from time to time to prevent accumulation of dust filaments etc Make sure that the external electrical leads are securely attached to the screwed terminals of the unit E STORAGE
9. or a specific part of such unit component The warranty repair does not include routine technical maintenance unit installation 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 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 packing and in the users manual User s failure to ensure timely technical maintenance of the unit 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 Replacement and use of any assemblies parts and components not approved by the manufacturer Unit misuse User s violation of the unit installation regulations User s violation of the unit control regulations Unit connection to the power mains with a voltage different from the one stated in the user s manual Unit breakdown due to voltage surges in the power mains Discretionary repair of t
10. ot store any explosive or high ly flammable substances in close proximity to the unit Do not direct the air flow pro duced by the unit towards open flame or ignition sources Do not open the unit during oper ation In case of continuous operation of the unit periodically check the security of mounting Do not sit on the unit and avoid Use the unit only for its intended placing foreign objects on it purpose Do not block the air duct when the unit is switched on KAY W PURPOSE The UWT control unit is used for controlling AOW series air heating cooling units with water heat exchangers a DELIVERY SET Control unit m User s manual Packing 1 item 1 item 1 item E DESIGNATION KEY UWT XE Name UWT control unit with a water heat exchanger Automatic equipment options 1 2 3 Phases E single phase a TECHNICAL DATA Supply voltage 230 V 50 Hz Rated voltage supplied to fan motor Speed Alternating current p output voltage V 230 High H Low L Maximum current of connected fan motor Cable cross section Operating medium temperature Protection rating Weight 2A 0 5 2 5 mm 5 40 C IP44 2 1 kg UNIT DESIGN AND OPERATING LOGIC The control unit is housed in a metal casing The side panel of the unit has a switch with the built in operation light 1 see Fig 1 The power switch is used to switch the unit on and off
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