HEATING AND COOLING UNITS BRAVA

Szymański, Nowakowski General Partnership 31 Lubelska Str., 08-500 Ryki phone +48 81 883 56 00, fax +48 81 883 56 09 POLAND HEATING AND COOLING UNITS BRAVA I. CONTACTS II. ORIGINAL INSTRUCTION MANUAL III. WARRANTY TERMS AND CONDITIONS IV. UNIT STARTUP REPORT V. INSPECTION AND MAINTENANCE DOCUMENT VI. SERVICE NOTIFICATION VII. LIST OF COMPONENTS INSTALLED IN THE DEVICE Please read this instruction manual carefully before beginning any work. RYKI 2017 ISSUE 1 EN

I. CONTACTS Szymański, Nowakowski General Partnership 31 Lubelska Str., 08-500 Ryki phone +48 81 883 56 00, fax +48 81 883 56 09 POLAND Export department mob.+48 502 087 841 mob.+48 664 465 243 export@juwent.com.pl 2 www.juwent.com.pl

II. ORIGINAL INSTRUCTION MANUAL HEATING AND COOLING UNITS BRAVA www.juwent.com.pl 3

TABLE OF CONTENTS 1. INTENDED USE 5 2. DESIGNATIONS 5 3. DEVICE DESCRIPTION 5 4. TECHNICAL DATA 6 5. TRANSPORT 6 6. SAFETY RECOMMENDATIONS 7 7. INSTALLATION 8 8. WATER SYSTEM 9 9. WIRING SYSTEM 10 10. AUTOMATIC EQUIPMENT 12 11. AUTOMATIC EQUIPMENT COMPONENTS 12 12. DEVICE COMMISSIONING 14 13. REPAIR, MAINTENANCE AND WITHDRAWAL FROM USE 14 14. REMOVING MALFUNCTIONS 15 15. INFORMATIONS 15 4 www.juwent.com.pl

1. INTENDED USE BRAVA heating and cooling units are intended for use in compartments requiring application of devices with an aesthetic and innovative appearance, such as: shopping centres, discos, showrooms, churches, sports and entertainment halls, car showrooms, as well as locations, where conventional heating units are used, i.e. in warehouses, production premises, workshops, greenhouses, etc. The units cannot be used in the compartments with humidity exceeding 90% and air dustiness of more than 3 mg/m 3. The units are intended for use in compartments with the height not exceeding 5m. The premises can be served by one unit or more. 2. DESIGNATIONS HEATING AND COOLING UNIT BRAVA-II Number of exchanger rows I; II Optional automatic equipment set: 1 unit: AB1-BRAVA The unit, intended for heating function only, is delivered with I or II row heat exchanger. Optional cooling function is available only with II row heat exchanger. 3. DEVICE DESCRIPTION The unit comprises: highly-efficient axial fan (~700 rpm); The units can have fans fitted with electronically commutated motors. ring fin single- or double-row heat exchanger. Connections on units have female threads. Fin heaters can be supplied with heating medium with the temperature of up to 150 O C and the pressure of up to 1.5MPa. There is a risk of freezing the heating medium in the heater in rooms with temperature below 0 O C. This risk can be reduced by using non-freezing heating or cooling media.»» housing made in high-quality plastic, with five-way air diffuser. The diffuser design provides protection against self-acting displacement of the blades. www.juwent.com.pl 5

4. TECHNICAL DATA Weight ( I row heating coil) [ kg ] 32 Weight ( II row heating coil) [ kg ] 35,5 Fan specification Voltage [V] 230 Motor power [kw] 0,12 Current [A] 0,5 Revolutions [rpm] 700 IP 44 Insulation class Working temperature [ O C] do +70 Noise level [db(a)] at the distance of 1m III speed 49 II speed 43 I speed 37 Operational noise level acoustic pressure level with taking into consideration directional coefficient Q = 2 and compartment A = 100 m 2 absorption ability at the distance of 1m. 5. TRANSPORT BRAVA units are delivered completely covered in polyethylene film to provide protection against contamination and weather. The unit is delivered with the Product Booklet (instruction manual). The units should be transported on one level with spacers so as to prevent any mechanical damages. F 6 www.juwent.com.pl

6. SAFETY RECOMMENDATIONS The units have been designed and manufactured with application of solutions for minimizing hazards to people and property. This does not eliminate all possible hazards, though. Therefore heating and cooling units should be used only in accordance with the Instruction Manual Commissioning, installation, connection, inspection and repair works on the units should be performed by an authorised technician, and electrical works by a person holding the required qualifications. All maintenance and repair works should be carried out with voltage off. In the case of the unit failure immediately turn the motor electrical power supply off and cut the heating medium supply off. The unit can only work with properly operating electrical protection devices. It must be uninterruptedly connected to the electrical installation fitted with protection terminal (earthing), residual-current device and service switch. Use original spare parts only Do not operate the unit, if the fan has no protective meshing on. Important note! Any installation or use of the heating and cooling unit not in accordance with the instruction manual may cause the unit damage and voids the warranty. Due to its design, the device does not emit any hazardous radiation. Despite the fact that the device has been designed and manufactured in accordance with the standards valid as for the moment of the manufacture start, likeliness of injury and damage to health when using the device is unavoidable. This likeliness is related to frequency of using, cleaning and repairing the device, presence of persons within the danger area, and not respecting the safety rules as set out in the instruction. Severity of the bodily injury and deterioration of health is dependent on numerous conditions which can be foreseen partially only by considering them when designing the device and by providing descriptions and warnings in the instruction manual. Therefore residual risk is present if recommendations and instructions are not respected by the operator. www.juwent.com.pl 7

7. INSTALLATION Suspending the unit The units are suspended on the ceiling using 4 rods with M8 thread. Spacing of fastening rods is provided in the figure. Rods should be screwed into rivet nuts of the unit for the depth of min 15 mm (rods can be screwed for the max depth of ~25 mm). When the unit needs to be suspended on a partition, e.g. of metal sheet, use stiffening sections to avoid partition vibrations due to the unit operation, and prevent increase of the noise in the compartment. Minimum distance of the heating and cooling unit from the ceiling is 20 cm. 8 www.juwent.com.pl

8. WATER SYSTEM The units are expected to be supplied with a double-pipe system, e.g. cold water in the summer or hot water in the heating season. It recommended to use cut-off valves before and after the unit in order to enable its removal without having to empty the supply system. Electromagnetic valves can be connected on the heating medium supply. Heat exchangers of the units are to be de-aerated centrally within the installation. When operating the unit with use of the cooling function, in the lower part of the unit condensate drips, and thus needs to be drained to the sewage by gravitation or using the condensate pump. Therefore, use a connection in the housing, where hose for condensate drainage can be connected. Improper venting of heating coil can result in failure to achieve the desired parameters by the unit. Avoid resting the installation ducts on the heating coil connections. When connecting the heating coil to heat distribution network, protect the coil connections against over-rotating as shown in the figure. Damages to heating coil resulting from the above, are not covered by the warranty. www.juwent.com.pl 9

9. WIRING SYSTEM Electrical installation and connection of the power supply to the unit must be carried out in accordance with relevant construction standards and regulations. Electrical connections to the unit can only be carried out by an authorized electrician familiar with the instruction manual. Before connecting make sure that the voltage and frequency rating of the power supply and protection ratings are in accordance with the information given on the unit s data plate. Otherwise, do not connect the unit. The unit s user shall be responsible for electromagnetic compatibility of the whole system to the applicable local regulations. When operating on conductive elements or electrical wires, the operator always must be accompanied by other person, who would cut the supply off in case of emergency. Electrical equipment should be inspected on regular basis: fix loosen connections, replace damaged wires and cables immediately. The units are fitted with 1-phase fans (1~230V/50Hz) with internal thermal contacts Tk (lead out to the box or permanently connected to the motor circuit). The electrical connection of the fan should be carried out taking into account the service switch (WS), as well as the overload and short-circuit protection inside the power supply/control box. Failure to provide required motor protections and connect the Tk thermal contact within the control circuit will render the warranty void. Insert the power cord of the fan into the terminal box and fix it on protective grate or supports of the fan with cable ties. The fan thermal contact should be connected to the control circuit for the fan supply. Electrical connection of the motor must be in accordance with electrical diagrams provided in the terminal box. Example wiring and control diagrams for the units are given in figs. 1 to 3. Fig. 1. Connection label for BRAVA unit motor 10 www.juwent.com.pl

Example wiring diagrams for control circuits for BRAVA units Fig. 2. Wiring diagrams without automatic equipment Fig. 3. Wiring diagrams with automatic equipment www.juwent.com.pl 11

10. AUTOMATIC EQUIPMENT CIRCULATED AIR SYSTEM (heating, cooling or ventilation), BRAVA units DESCRIPTION: room temperature control with RAB3 controller; manual function selection: heating, cooling or ventilation; manual 3-step fan speed switch; MV+V20 actuator with valve; ZSB-1 power supply and control box. 11. AUTOMATIC EQUIPMENT COMPONENTS The unit can be fitted with the following: - power supply and control box: ZSB-1 surface-mounted box, hermetically enclosed (equipped with main switch, overcurrent switches, short-circuit switches, signal lamps) intended for operation and control of the automatic equipment components. The power supply (1~230V/50Hz) of the power supply/control box should be fed by the main switchgear fitted with main circuit-breaker and differential protection. - RAB3 temperature controller Supply voltage 250V AC / 50Hz Measuring range 8...+30 O C Contact load 6(2)A Protection level IP30 12 www.juwent.com.pl

- V-110 Three-way valves: In the units, divide valves are widely used for adjusting the heating medium flow through heating coils. Three-way divide valves with V20 female thread are used (on/ off). The valves should be installed on the supply, while the flow is allowed only in the direction as indicated, i.e AB->A or AB->B. Symbol DN k VS, m 3 /h t[ o C] PN V20 20 3,5 1...110 16 FITTINGS: S: Supply R: Return H: Heat exchanger Z: cut-off valve manually operated P: circulation pump MV: 3-way control valve operated by valve actuator - MV Valve actuators: for direct installation on the valves, an actuator is used, enabling the valve on-off control. Actuator type on/off Actuator [on-off] MV+V20 Supply voltage 230V AC Close / open time 180 s Protection level IP40 L-N N Supply voltage 230V AC - WS Service switch: is intended to switch the fan motor off to carry out the servicing. Use of the WS switch prevents an unexpected start of the motor, which could pose a danger when servicing. Switch type Poles Power circuit switch Rated continuous current WS-3 3-pole 3-phase 25A Protection level IP 65 www.juwent.com.pl 13

12. DEVICE COMMISSIONING Before commissioning: check the unit for mounting; check water hose connections for tightness; check supply voltage in accordance with data plate; check additional protection of the unit fan and housing; check the electric motor for proper connection. To turn the unit on: open the heating or cooling medium valves; turn the electric motor supply on; adjust direction and range of supply air flow using blades on the outlet grille. To turn the unit off: reduce the heating or cooling medium flow to the unit exchanger; turn the fan electric motor supply off. In the case of a long-lasting stoppage of the unit or in the case of a break in the heat distribution network operation, drain the heating coil of water and if necessary, close cut-off valves. 13. REPAIR, MAINTENANCE AND WITHDRAWAL FROM USE Rolling bearings used in the fan require no regular lubrication. However, it is recommended to perform a periodical inspection of the condition of motor bearings (fan rotor should rotate freely without any excessive plays or knocks). If the unit starts to work with excessive noise, check the fan and the whole unit for proper mounting. The rotor blades should be cleaned with a damp cloth, after having removed the protective meshing, so as not to allow the rotor to be improperly balanced. Do not use high pressure washers for cleaning of the fan. For any disturbances in the unit operation, please consult the technician or technical service. All maintenance and repair works should be carried out with voltage off. Also protect the unit from being accidentally turned on by other people. Regularly check the level of dust accumulation on the heating coil. When dust accumulation is in excess, use compressed air to blow it. Excess accumulation of dust on the heating coil decreases the unit s heating or cooling capacity and reduces the air efficiency. Once the device is withdrawn from use, handle it to a proper waste treatment plant. 14 www.juwent.com.pl

14. REMOVING MALFUNCTIONS Trouble description Leaking heat exchanger too load operation of the unit Possible trouble cause Troubleshooting mechanical damage of heat exchanger (it may easy use a locking spanner to mount with the installation definitely appear when the unit is connected to the installation without taking care exceedance of admissible heating medium parameters heat exchanger freeze connect the unit with the heating installation protected against the excessive pressure and temperature growth use an antifreeze thermostat, antifreeze heating fluids or remove water from the unit within the period of standstill and freeze risk use of the unit in the aggressive environment minimum distance from the wall or ceiling is not use distances recommended in the instruction manual maintained improper revolution direction execute a proper electric connection improper parameters of the mains air outlet is blocked by outlet grid louvres use the unit only when the parameters of the mains and the unit are compliant avoid a significant closing of outlet grid louvres at high speed ratios fan vibrations, the blades rub against fixed elements check up the correctness of the fan and fastening reliability of other elements of the unit not centric fastening of the fan in its bearing plate incorrect or unreliable electric connections improper parameters of the mains (lack of three phases in three-phase motors) fan does not work fan motor is damaged fan operation control elements are damaged Revolution controlleads correctness of electric connections (whether the le- are just clamped in the electric terminals) ARW does not work only 1 controller can be connected to 1 unit Actuator won t open the valve Room thermostat transmits no signal correctness of thermostat operation (characteristic tick when switching) check up or correct: 1) compliance of electric connections according to the diagrams specified in the instruction manual 2) reliability of connections on electric terminals 3) parameters of the mains check up or correct: 1) compliance of electric connections according to the diagrams specified in the instruction manual 2) reliability of connections on electric terminals 3) parameters of the mains check up or correct: 1) compliance of electric connections according to the diagrams specified in the instruction manual 2) reliability of connections on electric terminals 3) parameters of the mains 4) whether the servomotor reacts to an electric pulse. If the servomotor damage is stated, the damaged element should be claimed. more than one unit is connected directly to the check up or correct: thermostat (larger number means the thermostat 1) compliance of electric connections according to the overload) diagrams specified in the instruction manual 2) reliability of connections on electric terminals mounting place of the thermostat in the room 3) parameters of the mains 4) if there is no characteristic tick, the thermostat is mechanically damaged and should be claimed. 15. INFORMATIONS In case of any inquiries or doubts regarding BRAVA heating and cooling units, please contact our JUWENT Factory or our Representations. www.juwent.com.pl 15

III. WARRANTY TERMS AND CONDITIONS 1. JUWENT Szymański, Nowakowski General Partnership, headquartered in Ryki at 31 Lubelska Str., hereinafter referred to as the Warrantor, grants the Customer a warranty of proper operation of the unit with reservation of the requirement of its use in accordance with the conditions determined in the instruction manual and the terms and conditions specified below. 2. The warranty has been granted for a period of 24 months from the purchase date demonstrated in this warranty document with a possibility of its special extension according to a separate agreement and specified in the Special Warranty Terms and Conditions. 3. The warranty covers the removal of technical defects of the unit arisen as a result of its use in accordance with the instruction manual, revealed within the warranty period. The warranty provisions are valid in the territory of the Republic of Poland. 4. By virtue of the granted warranty the Warrantor is not liable for the loss of expected profits and costs resulting from a periodical impossibility of the use of the unit incurred by the Customer. 5. To realize the Customer s rights resulting from the warranty it is required to deliver the claimed unit with the warranty document to the Warrantor at his expense. 6. The claimer delivers the unit in an original factory packing, in case there is no factory packing the claimed unit should be delivered by the Customer for the repair in a way ensuring a safe transport. The risk of accidental damage of the unit during the transport burdens always the party that dispatches the parcel. 7. The defects revealed with the warranty period will be removed by the Warrantor free of charge. A method selection of the realization of obligations resulting from the warranty granted to the Customer belongs to the Warrantor that may remove a defect by the repair or the replacement of the damaged subassembly or by the replacement of the unit. The property of the unit withdrawn from service and / or defective subassemblies is transferred to the Warrantor. 8. The warranty is extended by a period for which the Customer has been deprived of a possibility to use the unit. 9. The Warrantor will make efforts that the repair is executed without further delay within the time-limit of up to 14 working days from the delivery date of the unit. In reasonable cases of which the Customer will be informed by the Warrantor, this time-limit may be extended, e.g. by the time of provision import or when there is a necessity to execute an expertise or laboratory tests in specialized institutions. 10. The Warrantor is liable exclusively for the defects inherent in the sold unit. The damages arisen after its sale for other reasons are not covered by the warranty, in particular: a) mechanical damages (including also damages caused by microparticles occurring in the working environment of the unit), thermal damages, chemical damages and aleatory damages or damages caused by the atmospheric factors, b) damages occurred as a result of non-observance of typical rules or the rules required by the instruction manual related to the operation and mounting of the unit or the use of the unit against the intended use and other damages caused by the Customer s activity or omission, c) damages being a result of defective operation of the system in which the unit has been built or used, d) damages occurred as a result of non-execution of the actions to which the Customer has been obliged in accordance with the instruction manual, e.g. periodical cleaning, maintenance, adjustment, etc., e) damages occurred due to the use of materials or parts subject to a normal operational wear other than the materials recommended by the Warrantor in the instruction manual, f) damages being a result of use of power supply of the unit (of the system in which this unit functions) incompliant with the standard, and in case the unit is also supplied with water, damages being a result of use of water (supply water and / or boiler water) with parameters other than the parameters foreseen in the valid standard (PN-93/C-04607), g) damages occurred as a result of operation and / or maintenance of the unit in a way incompliant with the instruction manual and / or executed by the unauthorized persons. 11. The warranty does not cover as well: a) activities executed by the Customer in accordance with the recommendations included the instruction manual of the unit within the framework of normal maintenance and inspections, b) travel and work costs of the Warrantor s service or an entity delegated by the Warrantor in case when a warrant call turns out to be groundless. 12. An annotation made by a trained employee in the Inspection and Maintenance Document of the unit is a confirmation of time- -limit holding and range of activities foreseen for the maintenance of the unit. 13. The Warrantor is not liable for damages incurred by the Customer or third parties caused the run of the unit occurred in particular as a result of non-observance of the afore-mentioned terms and conditions by the Customer. 14. In case the service works are executed by the Warrantor at the place where the unit is mounted, the Customer will make available a free access to the rooms where the units are located to the Warrantor. 15. In case the units are mounted at the height making an access from the floor surface impossible, the Customer will ensure the scaffolding compliant with the OHS regulations or mobile lifting platforms and vertical transport equipment. 16. The equipment from the electric and / or hydraulic system is disassembled by the Customer. 17. The claims should be lodged at the Warrantor s address in writing / by fax / email using a service notification form. 18. The Warrantor refuses to execute the warranty activities (periodical service works or repair) in case the price for the unit or previous service work is not paid for the benefit of the Warrantor. DATE OF SALE STAMP AND SIGNATURE Special Warranty Terms and Conditions: Warranty period extension up to... months. Other: STAMP AND SIGNATURE 16 www.juwent.com.pl

TYPE OF UNIT: FACTORY NUMER: YEAR OF PRODUCTION: Date of startup IV. UNIT STARTUP REPORT Executor of startup stamp / name and signature Motor current [A] User s representative stamp / name and signature Remarks Date of inspection V. INSPECTION AND MAINTENANCE DOCUMENT Executor of inspection stamp / name and signature Service activity range Remarks * Inspection of the unit in accordance with the section Repair and Maintenance in the instruction manual www.juwent.com.pl 17

VI. SERVICE NOTIFICATION Date: Notification type WARRANTY POST-WARRANTY PAID Unit s user (name) Contact person User s address Phone, fax. and email Type of unit Factory No. Year of production Startup executed by Description of defect: NOTE: AFTER COPYING AND FILLING IN SEND THE NOTIFICATION BY FAX OR EMAIL TOGETHER WITH A COPY OF THE STARTUP REPORT. JUWENT Company accepts notifications filled legibly and completely. When the lodged claim is not justified, the claimer will be burdened with service costs. Date of warranty issue Order No. (company s stamp)...... 18 www.juwent.com.pl

VII. LIST OF COMPONENTS INSTALLED IN THE DEVICE No. Name of component *) 1 Axial-flow fan with 1-phase motor 2 Fin heat exchanger, I-row 3 Fin heat exchanger, II-row *) - tick the box corresponding to the equipment variant