Table of Contents
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I.
CONTACTS
II.
ORIGINAL OPERATING INSTRUCTIONS
III.
WARRANTY CONDITIONS
IV.
STARTUP REPORT
V.
INSPECTION AND MAINTENANCE CHART
VI.
SERVICE REQUEST FORM
VII. LIST OF COMPONENTS INSTALLED IN THE PRODUCT
UVERS
UNIT HEATERS
Read the instruction manual carefully before starting work.
EDITION EN 250523
Szymański, Nowakowski Sp. j.
31 Lubelska Str., 08-500 Ryki
phone +48 81 883 56 00
POLAND
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Summary of Contents for Juwent UVERS W
- Page 1 Szymański, Nowakowski Sp. j. 31 Lubelska Str., 08-500 Ryki phone +48 81 883 56 00 POLAND UVERS UNIT HEATERS CONTACTS ORIGINAL OPERATING INSTRUCTIONS III. WARRANTY CONDITIONS STARTUP REPORT INSPECTION AND MAINTENANCE CHART SERVICE REQUEST FORM VII. LIST OF COMPONENTS INSTALLED IN THE PRODUCT Read the instruction manual carefully before starting work.
- Page 2 I. CONTACTS Szymański, Nowakowski General Partnership 31 Lubelska Str., 08-500 Ryki phone +48 81 883 56 00, POLAND Export department mob.+48 502 087 841 mob.+48 664 465 243 export@juwent.com.pl www.juwent.com.pl...
- Page 3 II. ORIGINAL OPERATING INSTRUCTIONS UVERS UNIT HEATERS www.juwent.com.pl...
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Page 4: Table Of Contents
2. DESIGNATIONS 3. DESCRIPTION 4. TECHNICAL DATA 5. TRANSPORTATION 6. SAFETY RECOMMENDATIONS 7. INSTALLATION 8. WATER SYSTEM - UVERS W 9. REFRIGERATION SYSTEM - UVERS DX 10. ELECTRICAL WIRING 11. CONTROLS 13. START-UP 12. REPAIR, MAINTENANCE AND DECOMMISSIONING 14. TROUBLESHOOTING 15. -
Page 5: Intended Use
Unit heaters cannot be used in areas with relative humidity above 95% and air dust concentration above 3mg/m UVERS W units can be fed with water at a maximum temperature of up to 150°C and an operating pressure of up to 1.5MPa. -
Page 6: Description
UVERS W is available with two types of coils: 2 or 3 row coils adapted to work with low temperature heat sources and 3 row coils suitable for cooling function as they can be fed with chilled water. -
Page 7: Transportation
The unit heaters are supplied complete, in cardboard packaging to protect them from dirt and atmospheric influences. The instruction manual is delivered with the unit heater. The controls are supplied separately on request. The unit heaters should be shipped in no more than two layers with padding to prevent mechanical damage. www.juwent.com.pl... -
Page 8: Safety Recommendations
Therefore, there is a residual risk if the recommendations and instructions are not followed by the operator. www.juwent.com.pl... -
Page 9: Installation
» The condensate drip tray has a drain connection ⵁ 11mm. » The condensate can be discharged directly to the sewer or via a condensate pump. » The drip tray should be installed under the unit heater and fastened to the mounting bracket with an M8 x 60 bolt. www.juwent.com.pl... -
Page 10: Water System - Uvers W
8. WATER SYSTEM - UVERS W UVERS units with water coils can be fed with water at a maximum temperature 150°C and working pressure up to 1.5MPa. It is recommended: » to connect the bottom connection of the coil to the supply pipe of the heating system and the return pipe to the top connection;... -
Page 11: Refrigeration System - Uvers Dx
Before connecting, make sure that the mains voltage and frequency as well as protection values are in accordance with the information given on rating plates of unit heaters. In the event of non- www.juwent.com.pl... - Page 12 Example fan wiring diagrams for connecting and control are shown in Figure 1. AC fan motor SAFETY SWITCH CABLE No 1 BLUE BROWN GREEN/YELLOW CABLE No 2 BLUE WHITE External signal Maximum speed YELLOW CONTROL EC fan motor Fig. 1 Wiring diagrams for fans used in UVERS unit heaters www.juwent.com.pl...
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Page 13: Controls
The controls for UVERS DX depend on the heat pumps used with the unit heaters. The control options should be discussed with your heat pump supplier. The UVERS W unit heaters can be supplied with: - control box: wall-mounted in a closed enclosure (equipped with: main switch, overcurrent and short-circuit protection devices, indicators), designed to ensure the operation of control system. - Page 14 0-10V DC (when used with RT Controller) or on/off control signal (when used with TP or TPP Thermostat). The position of the valve stem (retracted or extended) is proportional to the control signal from the controller or thermostat. www.juwent.com.pl...
- Page 15 Service switch type WS-3 Poles 3-poles Supply circuit switch 3-phase Continuous rated current Protection degree IP 65 Examples of wiring diagrams for unit heaters with AC fans. Fig. 2 Wiring diagram for unit heater without controls www.juwent.com.pl...
- Page 16 Fig. 4 Wiring diagram for unit heater with controls (thermostat controls speed controller, valve actuator and fan operation) ZS Control Panel POWER SUPPLY VALVE ACTUATOR SPEED CONTROLLER ROOM THERMOSTAT FAN MOTOR Fig. 5 Wiring diagram for controls without ARW speed controller www.juwent.com.pl...
- Page 17 POSITIONER Fig. 7 Wiring diagram for unit heater without controls HEATING AND THERMOSTAT COOLING HEATING THERMOSTAT COOLING HEATING THERMOSTAT GND E1 COOLING POSITIONER Fig. 8 Wiring diagram for unit heater with controls (thermostat controls valve actuator and fan operation) www.juwent.com.pl...
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Page 18: Start-Up
» switch off the power supply to the electric motor of the fan. In case of long standstills of the unit or breaks of heating network operation the heating coil should be drained and the cut-off valves should be closed, if need be. www.juwent.com.pl... -
Page 19: Repair, Maintenance And Decommissioning
The coils should be checked regularly for dust accumulation. If excessive, blow out the coils using compressed air. Excessive dirt build-up on the coil reduces heat transfer efficiency and airflow. When the equipment is decommissioned, it should be disposed of at special collection points for recycling. www.juwent.com.pl... -
Page 20: Troubleshooting
15. INFORMATIONS In the event of any queries or doubts regarding the unit heaters, please contact the JUWENT company or one of our representatives. www.juwent.com.pl... - Page 21 III. WARRANTY CONDITIONS JUWENT Szymański, Nowakowski Sp. j. with its registered office in Ryki, at 31 Lubelska Str., hereinafter referred to as the Warran- tor, provides a warranty for the product manufactured by it, provided that the product is used in accordance with the conditions set out in this manual and with the following provisions.
- Page 22 Signature Signature V. INSPECTION AND MAINTENANCE CHART* Date Inspection provider Scope of works Remarks of inspection Stamp / Surname and Signature * Inspection should be carried out in accordance with the 'Repair and maintenance' section of the instruction manual. www.juwent.com.pl...
- Page 23 ONCE COPIED AND COMPLETED, FAX OR E-MAIL THIS SERVICE REQUEST TOGETHER WITH A COPY OF THE START-UP REPORT. The JUWENT company will only accept requests that are legible and complete. In the event of an unjustified complaint, the complainant will be charged for the service.
- Page 24 VII. LIST OF COMPONENTS INSTALLED IN THE PRODUCT Component name axial fan with single phase motor 1-row fin coil 2-row fin coil *) - tick the appropriate box according to the version of the product...
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