Operation and installation manual - ASP Top Class
Contents
1. N in ZZ LLI O UHE sseJq C 00 57 22 Delta Energy Systems Germany GmbH Tscheulinstrasse 21 79331 Teningen GERMANY Support Email support solar inverter com Support Hotline 49 180 16 SOLAR 76527 Mondays to Fridays from 8 am to 5 pm CET apart from offical Bank Holidays 3 9 ct min Delta Renevvable Energy Systems Svvitzerland AG Burgerfeldstrasse 19 8730 Uznach SG SVVITZERLAND Support Email support switzerland solar inverter com www solar inverter com 06 October 2011 A NELTA2. C brass earth C C brass earth C Alternating voltage AC P phase N neutral E earth m 9 O Gei LO szzlssis3 L olo oo 2 92 9 Ka O Ole O9 I AIZ LL LO s o N D D qq s ls zleez x 15 2 2 o ofo og CO ON AZ LLI LO CN D D qq ss ssel x l l ja 9 O oo xu CC a n I 21 Delta ASP Top Class 22 24 902 VVMS u9eJ6 Moie KS niq o niq a LL KeJ6 4 Z K b O yes sseJq C Delta ASP Top Class 30 24 02 8 uaeaJ6 wojje niq TN in ZZ LI Quo sseJq O SOCLVM8 F Delta ASP Top Class 22 48 SOC 8 ua9JD wo je eniq O niq DS UI O kasb o kab o Z O yee sseJq O Delta ASP Top Class 35 48 GU LV M ll 4 enig eJ6
3. N lt 13 Technical Data Delta ASP Top Class 20 12 INPUT DC OUTPUT AC M lt c 8 7A 10 5 160 V 24A 1001570 2300 VA 195A 520A 2000 VA 1800 VA 230 V 2 96 50 Hz 0 5 true sin ewave zi GENERAL SPECIFICATION Delta ASP Top Class 20 12 456 x 320 x 211 mm 20 kg 93 96 5 60 VV ca 0 5 VV 7 0 VV 16 VV yes vvith external svvitch master IP20 LED every 60s every 60s automatically after reaching semiconductor temp 45 C automatically after reaching Ur n 25 C 50 C max 95 rH non condensing ON 55 C OFF 45 C P 80 yes EN61558 IEC61558 2 years CE A z o lt E o o o o 5 pude o 0 o o lt o La 0 N lt Technical Data Delta ASP Top Class 15 24 INPUT DC N AR lt c 210 0207 2101207 72A 140 A GENERAL SPECIFICATION o lt D c o o o o 3 o Oo o o 5 o 0 o o lt o et D N N lt OUTPUT 6 5A 16A 1700 VA 1500 VA 1200 VA 230 V 5270 50 Hz 0 5 true sin evvave eal Delta ASP Top Class 15 24 385 x 260 x 182 mm 16 kg 93 5 60 W 0 5 VV 7 VV 12 W 100A yes vvith external svvitch master IP20 LED every 60s every
4. Operation and installation manual ASP Top Class A NELTA CO O OC FP W N gt 11 12 13 14 Table of content Scope of delivery General warnings Notes on safety Unpacking the unit Function technology General information Installation Connecting the inverter Information s for operation Status LED display Fault clearance Warranty short form Technical Data Delta ASP Top Class 13 12 Technical Data Delta ASP Top Class 20 12 Technical Data Delta ASP Top Class 15 24 Technical Data Delta ASP Top Class 22 24 Technical Data Delta ASP Top Class 30 24 Technical Data Delta ASP Top Class 22 48 Technical Data Delta ASP Top Class 35 48 Glossary Additional sheet for cable connections CO NN OF 0 N N 10 12 12 13 15 16 17 18 19 20 21 1 Scope of delivery Delta ASP Top Class Operation and installation manual 2 General warnings Notes on safety Congratulations on your purchase of a Delta ASP Top Class sinewave inverter You are the owner of the finest engineered and highest quality sinewave inverter We have dedicated our products our services and ourselves to the satisfaction of every customer This manual for installation and operation contains important information about this unit Please familiarise yourself with all the information contained in these instructions before installing and op erating this unit This will help you to get acquainted properly with this unit and make full use of its ad
5. logarithmic Consumption Standby OFF Consumption 230V OK DC Breaker fuse Remote control ON OFF IP Protection Status indication Reset after short circuit Reset after overload Reset after overtemperature Reset after battery failure Ambient temperature range Temperature and load controlled fan Alarm contact insulated relay contact Toroidal transformer galvanically isolated Warranty Certificate 1 This values correspond to rated voltage 48 V DC OUTPUT AC Rated Output Current lic ou 15 6 A Short Circuit Current 1 max 0 5s 24A Rated Power 10 min at T P f 3900 VA Rated Power 30 min at Continuous P 3200 VA Rated Output Voltage out 230 V 270 50 Hz 0 5 true sin Output Frequency f c ewave Power factor CosPhi 03 Delta ASP Top Class 35 48 456 x 320 x 211 mm 30 kg 93 4 40 W 0 5 VV VV 12 VV 100A yes vvith external svvitch master IP20 LED every 60s every 60s automatically after reaching semiconductor temp 45 C automatically after reaching Ube n 25 C 50 C max 95 rH non condensing ON 55 C OFF 45 C P 80 yes EN61558 IEC61558 2 years CE 19 13 Glossary AC Abbreviation for Alternating Current ASP Advanced Solar Products CE VVith the CE identification code the manufacturer confirms the conformity of the product vvith the valid EC Guideline and compliance with the significant requi
6. 60s automatically after reaching semiconductor temp 45 C automatically after reaching Ur n 25 C 50 C max 95 rH non condensing ON 55 C OFF 45 C P 80 90 EN61558 IEC61558 2 years CE 15 Technical Data Delta ASP Top Class 22 24 INPUT DC OUTPUT AC N AR lt c 9 6A 210 0207 24A 2101607 2900 VA 110A 205A 2200 VA 2000 VA 230 V 2 96 50 Hz 0 5 true sin ewave zi GENERAL SPECIFICATION Delta ASP Top Class 22 24 456 x 320 x 211 mm 20 kg 93 96 5 60 W ca 0 5W 0W 12 W 125A yes with external switch master IP20 LED every 60s every 60s automatically after reaching semiconductor temp 45 C automatically after reaching LU 25 C 50 C max 95 rH non codensing ON 55 C OFF 45 C P 80 90 EN61558 IEC61558 2 years CE O 2 o lt D c o o o o 3 o o o o e o o m o lt o et o o N IS lt Technical Data Delta ASP Top Class 30 24 INPUT DC OUTPUT AC N s lt 2107020 7 210 18 0 V 150 A 340 A GENERAL SPECIFICATION Delta ASP Top Class 30 24 456 x 320 x 211 mm 27 kg 94 5 60 W ca 0 5 VV 7 0 VV 22 W yes vvith external svvitch master IP20 LED every 60s every 60s automatically after reaching Upc n ON 55 C OFF 45 C P gt 80 90 yes EN61558 IEC61
7. dynamic and the inverter temperature The power stage features modern Power Mosfet transistors These transistors are the key to the high partial load efficiency and superb overload capability The power transistors are protected by independent intelligent protection circuits The inverter is further more protected against DC overvoltage static and short circuit on AC output The battery input side is equipped with a thermal magnetic circuit breaker for extreme overload protection of your system Delta ASP Top Class 13 12 Delta ASP Top Class 20 12 Delta ASP Top Class 30 24 has no circuit breaker at the input Block diagram Thermisch Magnetischer AC lovv AC high Schutzschalter Input B capacitors and DC Filter Batterie bri Transformer FET bridge wu Filter 9 24 7 AC Line JE PEN am AC Filter o 8 LED Display H D A Udc Idc Pdc Microprocessors Uac Fac MPPT FET drives Startup logic Temp supervision Data output Remote ON OFF 10M 10M RS 232 5 General information Always check the power draw of your appliances Electrical equipment as motors pumps compres sors etc need more power while starting up Start up power draw can be much higher than Pnom For this application the inverter is able to supply up to 300 surge power for a short time Be careful if
8. unit The max length of the vvire should not exceed 20 m The minimum size of the vvire is 0 25 mm Do not connect to povver suppiyl 11 10 Fault clearance Safety Instructions sition Be sure that all demands written in the topic safety regulations are kept e Before any manipulations and works on the electrical facility or load always cut off the inverter from the battery turn DC switch rsp circuit breaker to OFF po e Please note when opening inverter housing Inside the inverter dangerous electrical tensions are accessible Do not disconnect ground wire connection to the housing cover e Repair works and service on the inverter unit may be only carried out by the ma nufacturer or an official Delta service partner AC Output LED is flashing red an green The unit is noisy and switches off It is not possible to set DC Circuit breaker in ON Position DC Circuit breaker switches to OFF Position No function 11 Warranty short form Dear Customer Thank you for buying this Delta product Refer to point LED Display The load is to big battery is to small Wrong polarity at DC input wrong installation Overload operation for long time reduce load Check wiring check DC Voltage In the event that your Delta product needs guarantee service you should return it to the retailer from whom it was purchased We guarantee Delta ASP Allegro appliances in accordance with statutory country specific r
9. you use pumps Power declaration on pumps is normally not the electrical input power of the pump The inverter switches off automatically if surge power is too high If ambient temperature is higher than 20 degrees C Pnom and overload capability of the inverter will be reduced Due to reduced cooling capacity Pnom of the inverter is reduced if operation al titude is above 900 m ASL Reduction of Pnom is approx 1 596 per every additional 100 m more altitude Example If a 1000 VA inverter is installed as high as 2500 m ASL maximal Pnom will be at 780VA only If you use more power overheating and associated premature disconnection of the inverter must be anticipated If you use the inverter under above conditions we recommend using a bigger inverter 6 Installation Safety Instructions e Be sure the points demanded under safety regulations are obeyed e Install the unit in a dry place The unit is not designed for outdoor use Adequate ventilation Keep min 10cm distance to other objects except mounting side Do not cover heat sink The selection of a safe location for installing the inverter depends on the following criteria Check indication label for correct DC Voltage and AC Voltage The inverter can be used in any position Protection from unauthorised access in particular of children s dust free surroundings max 9596 humidity not condensing Short distance between battery and inverter Use a ground
10. 558 2 years CE wesch gt o lt v c D o Q o 3 o 121 5 c l o o p o Q lt e D Q o N x lt Jg O 13A 35A 3200 VA 3000 VA 2700 VA 230 V 2 96 50 Hz 0 5 true sin ewave Ds automatically after reaching semiconductor temp 45 C 25 C 50 C max 95 rH non condensing 17 Technical Data Delta ASP Top Class 22 48 INPUT DC OUTPUT AC D co lt 9 6A IN N 64 0 V 16 A 2700 VA IN N O 95 0 V 54A 96A 2200 VA 2000 VA 230 V 2 96 50 Hz 0 5 true sin ewave Ds GENERAL SPECIFICATION Delta ASP Top Class 22 48 456 x 320 x 211 mm 20 kg 93 96 5 60 W ca 0 5W 0W 12 W 80A yes with external switch master IP20 BED every 60s every 60s automatically after reaching semiconductor temp 45 C automatically after reaching Upe n 25 C 50 C max 95 rH non condensing ON 55 C OFF 45 C P 80 EN61558 IEC61558 2 years CE 1 This values correspond to rated voltage 48 V DC 8 Technical Data Delta ASP Top Class 35 48 INPUT DC Rated Voltage Ube n 48 V Input Voltage Range 755 DC Dynamic Lovv Voltage Cut Off U 42 0 36 0 V Rated current L n 80A Current max 210A DC IN GENERAL SPECIFICATION Model name Dimensions L x W x H Weight Efficiency Factor max Adjustable Standby Level
11. are disconnected from the battery First make AC Connections Con nect your load with enclosed connector to the inverters AC Output An additional AC Circuit breaker size refer to datasheet has to be installed We recommend installing an earth leakage protector for protection of personnel Please observe domestic regulations when making connections Take care of correct grounding of the inverter and your equipment which is connected to the inverter We recommend using an earth cable with minimum cross section of 50mm to ground the inverter NOTE Please exercise extreme care when connecting the unit to a battery Otherwise the inverter or the battery could be damaged Nicht entfernen Erdklemme Do not remove Earth clamp AC OUTPUT REMOTE MN neutral BATTERY Ezearth Take care of correct grounding of the inverter and your equipment that is connected to the inverterl We recommend using an earth cable with minimum cross section of 10mm to ground the inverter This will help to protect your unit in case of lightning Be sure to meet all regulations about lightning protection Check again to make sure all cables are securely connected Switch on the DC Circuit breaker The inverter is now ready to operate 8 Information s for operation Security advices Be sure that all demands written in the topic safety regulations are kept e If DC voltage is out of ran
12. d with correct use of the equipment All information and specifications are subject to change without notice 2 Safety Instructions In principle the general regulations for security and accident prevention are valid for operating and handling the inverter The equipment was built and examined in accordance with the safety regulations for electri cal devices In order to guarantee a safe handling the safety instruction must be considered which are contained in this manual For any works on equipment and electrical connections the national and regional regulations are valid concerning grounding protective ground and lightning protection Any Work on equipment and electrical connections may be carried out only by electrical spe cialists An electrical specialist has the necessary technical training and knowledge to avoid dangers by electricity Warning In this unit potential differences of up to 1000V occur during operation and can result in death or serious bodily injury Use extreme caution while operating and always observe precautions as The unit must be connected by a professional elec trician only Only specially trained maintenance and service personnel are permitted to test and repair this unit These personnel further must be familiar with this manual and all domestic regulations Safe handling of this inverter is only ensured by correct installation and mounting according to regional valid regulations Carefully follow t
13. ed metal pipe to reduce RFI emissi on and to prevent surroundings of fire The inverter should not be mounted in the same room as the batteries are gas of the batteries during charging Adequate ventilation Keep min 10cm distance to other objects except mounting side Battery capacity must be at least 200Ah Using a smaller battery may reduce performance of the unit If other DC units are installed at the same battery contact your dealer for more information s Protection of inverter and battery from the effects of water Temperature range 25 C to 50 degrees C Only specially trained maintenance and service personnel are permitted to test this unit These personnel further must be familiar with this manual and all domestic regulations before instal ling this unit 7 Connecting the inverter Safety Instructions e Be sure the points demanded under safety regulations are obeyed Check vvhether the intended solar generator voltage corresponds properly vvith the type label on the unit itself e Any electrical connections must be carried out by an electrical specialist e The large input capacitors may still be charged even if DC cables are disconnec ted and DC switches are in OFF position The DC circuit breaker must be turned to OFF Position Note Inbuilt large capacitors will hold DC Voltage for extended periods They still can have DC Voltage even when the switch is in off position and the DC Cables
14. ed standby circuit energy saving circuit recognizes automatically if power is needed at the AC Output If no power is needed after a delay of 10 seconds the unit switches into standby sleep mode In this operation mode power draw of the unit is less than 2W Every 800ms the inverter checks the AC Output by emulating a true sinewave voltage If power draw exceeds the adjusted sensitivity level the inverter switches on immediately If no more power is needed the inverter switches back to standby mode after a delay of 10 seconds If you use a small not compensated load it may occur that the inverter is switching on and off all the time If this occurs you should compensate the load or switch an additional load to the AC output Note A lot of electrical equipment needs power even if they are switched off Especially units as portable radios TV and video equipment plug in power supplies etc may have still such a high power draw that the inverter recognizes a load and is not able to switch into standby sleep mode The sense level is adjustable on the potentiometer next to the LED s You can adjust sensitivity level from app 4W to 40 W Sensitivity level may slightly change depending on DC Voltage of the battery and temperature of the inverter app 2VV Units with remote input If your inverter is equipped with remote ON OFF control use the clamps 1 and 2 to connect an external svvitch to the unit These ports are electrically separated from the
15. egulations proof of purchase by invoice or delivery note Damage attributable to normal wear and tear overload or improper handling will be excluded from the guarantee In case of complaint please send the unit with the original packaging undismantled to your dealer or a Delta service centre for inverters Please be aware of the information we need to repair the unit as soon as possible page 5 Maintenance and Spare parts Delta Renewable Energy Systems Switzerland AG is not responsible for costs arising for transport of the unit or damage that occur if the unit is out of service If you wish we will send you our complete documentation about our guarantee terms 12 2 Technical Data Delta ASP Top Class 13 12 INPUT DC OUTPUT AC 12V 5 7A 10 5 160 V 16A 1001570 1400 VA 125A 340A 1300 VA 1000 VA 230 V 2 96 9v 50 Hz 0 5 true sin ewave zi GENERAL SPECIFICATION Delta ASP Top Class 13 12 385 x 260 x 182 mm 15 5 kg 92 96 5 60 W ca 0 5 VV 7 0 VV 10 VV yes vvith external svvitch master IP20 LED every 60s every 60s automatically after reaching semiconductor temp 45 C automatically after reaching Ur n 25 C 50 C max 95 rH non condensing ON 55 C OFF 45 C P 80 EN61558 IEC61558 2 years CE 2 o lt v D e Q l 3 o e l 5 o o gie o lt o e o
16. erheating as a result of insufficient cooling or ex tended overload The inverter switches off automatically after 5 seconds Warning The inverter restarts automatically if temperature is in permit ted range During normal operation this LED emits a green light Inverter ON Out put 230V AC 50Hz During standby this LED blinks green Hint This LED blinks orange be fore the inverter switches to standby if the load is to small Use this information to adjust the standby level to your load If AC Output tran scends tolerance for ex because of short circuit at the AC Output this LED emits a red light Warning The inverter restarts automatically after 20 seconds With this potentiometer placed next to the LED s you can adjust standby level in a range from app 4 40 W or you can switch the inverter to con tinual operation Turn the potentiometer completely counter clockwise The inverter is always ON no sleep mode Turning the potentiometer clockwise The standby level for sleep mode will increase from app 4 W to 40 W see hint Important Each time a fault occurs the inverter restarts automatically after 20 seconds or if the parameters for example temperature are back in normal conditions after a fault Time before the unit starts again can be from a few seconds to a few hours Always switch off the unit if you work at your system or electric consumer Additional information about standby sleep mode This specially design
17. ge longer then 5 sec the inverter switches off auto matically LED indication LOW BATERY flashes red Caution As soon as DC voltage is back in tolerance the inverter switches automatically on again e If AC voltage is out of range LED indication AC OUTPUT turns to red The inverter switches off automatically and indication AC OUTPUT flashes red Caution After approx 20 sec the inverter tries to switch on automatically again Each time a fault occurs the inverter restarts automatically after 20 seconds or if the parameters for example temperature are back in normal conditions after a fault Time before the unit starts again can be from a few seconds to a few hours Always switch off the unit if you work at your system or electric consumer For any manipulations and works on the electrical facility or AC load always cut off the inverter from the battery turn DC switch rsp circuit breaker to OFF position e Inverter heat sink may be very hot do not touch surface to reduce the risk of burns Protect your inverter from rain The unit is not designed to be used outdoor e iyi 7 TERI F af d d m r The DC input breaker should be in ON position all the time In case of an error it will switch of automatically If the inverter is switched off by turning the potentiometer fully counter clockwise it still needs app 25mA from the battery The inverter is electronically s
18. hanges change technical specifications or these instructions without prior notice Important Please be informed that units without CE declaration can only be used on your own liability in Europen countries If you have a unit without CE please contact your local dealer WARNING Unauthorized repairs and operation of this device for any use other than that for which it was intended will result in loss of warranty If you have problems with the unit Delta Renewable Energy Systems Switzerland AG will provide you with the authorization necessary to return or repair a unit Environmental protection Recycling ravv materials instead of vvaste disposal This unit is built from valuable materials and is easy to recycle The unit accessories and packaging should be sorted for environment friendly recycling Please keep packaging for retransport the inverter later To prevent damage during transport vve have to use and bill you a new packaging if we receive the unit not with original packaging Maintenance and Spare parts This unit is maintenance free Proper functioning of the unit and electrical connections must be inspected at regular intervals we recommend once a year by trained electrical specialists The routine inspection should include the entire electrical system Should malfunctions of the unit occur despite these inspections the unit must be returned to the manufacturer for repair Original spare parts are only available from Del
19. he lightning protection regu lations Any work performed on this unit its installation and electrical connection must be carried out in com pliance with national electric codes and local regulations which may deviate from those contained herein Refer to responsible authorities for relevant information s No AC generator or power supply is allowed to connect to this unit Connecting mains power AC Generator or any other inverter to AC output will damage the unit immediately Excess voltage applied to the inputs and outputs may result in destruction of the unit Charging the battery with a dynamo while the inverter is connected to the battery the inverter may be damaged Please ask your dealer if you have any questions Take care of regulations for lightning protection The unit is tested by the manufacturer and it is not allowed to change anything Without a written permission of Delta Renewable Energy Sy stems Switzerland AG you will lose warranty if you repair the unit Please refer to the warranty information s Operate the device only when all factory supplied covers are available and in place Temperatures at the enclosure of the device may be as high as 80 degrees C during operation Obstruction of the ventilation of the unit may result in overheating and thus in failure of the unit Always keep the unit and the ventilation slots clean Do not cover up or place any item on ventilation holes or cooling components Please no
20. hort circuit protected at the AC Output DC input of the inverter is monitored for over voltage and under voltage The upper limit is static If DC Voltage is too high the inverter will switch off Automatic restart follows after DC Voltage is in the normal range The lower limit is dynamic cut off voltage is lower if a big load is in use This allows an optimal use of the battery capacity and protects your battery during small load operation Important If the inverter has switched off automatically it still needs very little power from the battery Important Always before you switch on the circuit breaker you must switch off the load The fan is controlled by temperature and power needed It is helping to reduce problems of over heating Delta ASP Top Class 35 48 30 24 and 20 12 only Three of these inverters are equipped vvith an alarm relays This relays is svvitching before the inverter cuts off due to battery lovv voltage VVith the potentiometer located at the main board you are able to adjust the level for battery low voltage switch off 9 Status LED display Light emitting diode Low battery Light emitting diode Over temperature Light emitting diode AC output Standby adjust 10 Battery voltage low The inverter switches off automatically if DC Voltage is out of range for more than 5 seconds LED is blinking Warning The inverter restarts automatically if DC Voltage is in permitted range Overtemperature Ov
21. rements stipulated therein DC Abbreviation for Direct Current True sinusoidal wave The public electrical grid has a sine shaped voltage flow which is designated as sinusoidal voltage Our devices recreate this sinusoidal voltage and provide the consumers with the same or better quality of sinusoidal voltage as the public electricity grid Galvanic isolation A galvanic isolation exists between the DC side direct current side and the AC side alternating current side which is realised by a 50Hz toroidal transformer High degree of efficiency The selection of high quality components allows for an extremely high degree of efficiency and thus reduces losses to a minimum Inverter Is an electrical device which converts DC direct voltage into AC voltage and or direct current into alternating current Overload and short circuit proof Delta s ASP inverters stand for robust use and can be used for any application VDE Verband der Elektrotechnik Elektronik und Informationstechnik e V Association of Electrical Engineering Electronics and Information Technology 20 14 Additional sheet for cable connections Vievv of clamp on C rail Direct voltage DC Remote Battery plus Battery minus Delta ASP Top Class 20 12 UKH50 Delta ASP Top Class 13 12 SVVA1 205 Delta ASP Top Class 15 24 LS100A 1 Remote off control 2 Remote off control C brass earth C
22. ta Renewable Energy Sys tems Switzerland AG Delta Renewable Energy Systems Switzerland AG will provide you with the authorization necessary to return a unit for repair Before you call please prepare you for the following questions Type of unit DC voltage manufacturing date date of purchase kind of fault connected loads 3 Unpacking the unit Please check if the unit has no visible damage If the unit is damaged you must inform your dealer within 3 days after receiving the unit 4 Function technology This inverter is designed to convert DC battery voltage direct voltage to 230V AC sinusoidal al ternating voltage Voltage controlled the inverter provides a stabilised crystal accurate alternating voltage different voltages and frequencies refer to the indication label With a sinewave inverter almost any type of electric consumer may be connected as for example energy saving lights fluo rescent tubes computers Radio and HIFl equipement and other household appliances freezers pumps motors etc Due to a high degree built in safety excellent dynamic response a surge proof and overload proof output it is very simple to operate a broad range of applications The heart of the inverter is a very powerful RISC microprocessor of the latest generation This microprocessor is responsible for the real time computing of the output sinewave shape for the process control of the output voltage for the supervision of the battery
23. te the permissible ambient conditions for operating the unit Automatic restart of the unit may occur after fault clearance Please note that also under standby operation 230V test voltage pulses are present at the inverter AC output The inverter is still ready to run To be sure that the unit is completely switched off you have to switch the main circuit breaker in OFF position or disconnect the battery Warning Inbuilt large electrolytic capacitors will hold DC voltage for extended peri ods Do not use any measuring equipment damaged or defective Contact with energised parts can result in serious or fatal injury Please note that even under excessively light load or in stand by operation high voltage can be pre sent at the AC output NIZ Limitation of liability Since neither the observance of these instructions for installation and operation nor the conditions and methods of installation operation utilisation and maintenance of the unit can be supervised by Delta Renewable Energy Systems Switzerland AG we don t assume any responsibility or liability for loss damage or costs arising from using this unit or in any way connected with faulty installa tion improper operation or incorrect utilisation and maintenance Furthermore we don t assume any responsibility for infringement of patent rights or violations of the rights of third parties arising from the utilisation of this unit We reserve the right to make product c
24. vanced technical features under all operating conditions Should you encounter problems while installing or running this unit please contact the dealer you purchased the unit from or a dealer authorised by Delta Improper assembly installation and maintenance may impair the safety and function of this unit For this reason make sure that you understand all the information in this manual before beginning the assembly and installation procedure Safety Symbols Safety symbols mark passages in the text which you absolutely need to read and consider e Consider these warnings e Behave in such cases particularly carefully e Inform other users about these dangers Warning of dangerous electrical voltage Ignoring this warning can lead to heavy bodily injury or to death Warning of a danger Ignoring this warning can lead to heavy bodily injury or to damage Warning of hot surface Ignoring this warning can lead to burns or to damage Copyright Delta Renewable Energy Systems Switzerland AG All rights reserved This manual accompanies our equipment for use by the end users The technical instructions and illustrations contained in this manual are to be treated as confidential and no part may be reproduced without the prior written permission of Delta Renewable Energy Systems Switzerland AG Service engineers and end users may not divulge the information contained herein or use this manual for purposes other than those strictly connecte
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