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User Manual 

MASTER HE

  

300 ÷ 800 kVA

  

three phase output

 

 

 

Summary of Contents for MASTER HE

Page 1: ...U UN NI IN NT TE ER RR RU UP PT TI IB BL LE E P PO OW WE ER R S SU UP PP PL LY Y User Manual MASTER HE 300 800 kVA three phase output ...

Page 2: ...pag 2 57 0MNMHEM30RUENUB 00 RPS SpA Viale Europa 7 37045 Legnago VR Italy www riello ups com ...

Page 3: ...ed to read this part of the manual Protective equipment to be worn No maintenance operations must be carried out on the device without wearing the Personal Protective Equipment PPE described below Personnel involved in the installation or maintenance of the equipment must not wear clothes with wide sleeves or laces belts bracelets or other items that may be dangerous especially if they are metalli...

Page 4: ...n covers personnel that in addition to the requirements listed above for a general operator must also 1 have been suitably trained by the manufacturers or their representative 2 be aware of installation assembly repair and service procedures and have a specific technical qualification 3 must have a background of technical training or specific training relating to the procedures for the safe use an...

Page 5: ...he environmental management system developed by the company in compliance with applicable standards No hazardous materials such as CFCs HCFCs or asbestos are used in this product When evaluating packaging the choice of material has been made favouring recyclable materials For correct disposal please separate and identify the type of material of which the packaging is made in the table below Dispos...

Page 6: ...pag 6 57 0MNMHEM30RUENUB 00 This page is left blank intentionally ...

Page 7: ... emergency power off control 19 3 3 2 REMOTE COMMANDS AND ALARMS 19 3 3 3 RS232 20 3 3 1 Parallel optional 21 3 3 2 SLOTS 2 1 21 3 3 3 REMOTE ALARMS 2 optional cards 22 3 3 4 MODEM optional 22 3 3 5 MULTI I O optional 22 3 3 6 REMOTE PANEL OPTIONAL 22 3 3 7 Dual Bus System UGS optional 22 3 3 8 SWOUT and SWMB aux External temperature sensor optional 23 3 4 Start up procedure 26 3 4 1 Battery opera...

Page 8: ...ff device EPO 37 4 2 4 External maintenance bypass 38 4 3 Mains load and battery connections 39 4 3 1 UPS AC input output power connection 39 4 3 2 Power connections battery side 40 4 4 Connection of signals 42 4 5 Start up procedure 44 4 6 Operating modes 45 4 7 bypass for maintenance 47 5 MAINTENANCE 51 6 GENERAL CHARACTERISTICS 53 7 APPENDIX A REMOTE COMMANDS AND ALARMS CARD 56 ...

Page 9: ...after delivery de installation and storage while awaiting relocation place the device in covered premises that are protected from direct contact with atmospheric agents and dust The following environmental values are those allowed in the storage area Temperature 25 60 C Relative humidity 30 95 max For the installation of a battery cabinet if provided with the uninterruptible power supply follow th...

Page 10: ...tallation should comply with the points set out below 2 1 Ambient conditions ensure that the floor can support the weight of the UPS and of any battery cabinet that may be used avoid dusty environments avoid narrow environments that could hinder normal maintenance operations avoid placing the device in areas exposed to direct sunlight or heat ensure that the ambient temperature conforms to the fol...

Page 11: ...ve at least one of the three side walls free right left or back the side strips must not be mounted for installations where cabinets are placed side by side 2 4 Air change for battery premises The room in which the battery box is installed must be provided ventilated so as to keep the concentration of hydrogen generated during charging within safe limits The room should preferably be ventilated na...

Page 12: ...e fuse represented with the letter F b main power supply and separate bypass When there are two separate power lines the main power line and the bypass line two protection devices must be provided indicated with the letters F and G in the drawing b one for each line MAINS LINE LOAD UPS BATTERY CABINET F SWBY SWIN SWOUT 300 400 500 600 800 Input line refer to the INSTALLATION DRAWINGS Imax 100 load...

Page 13: ...se to be open before the inverter shuts down If the shortcircuit is of the three phase type the inverter can supply a current for 1 second that is 1 8 times the value of the rated current of the UPS output with a single phase shortcircuit the current is around 3 times the value In the worst case scenario that is a three phase shortcircuit then a smaller current the condition occurs if kVA 300 400 ...

Page 14: ...maximum size of fuse to be used is 2 5 times the battery capacity in Ah For example the following fuses may be used for batteries of the type 150Ah 315A type gl gG or 355A type aR For the section of the cable for the UPS to battery connection refer to the following current value 3 1 4 neutral conductor Do not connect the output neutral to ground The use of an isolation transformer on the bypass li...

Page 15: ...current devices RCD these have to have the following characteristics Sensitivity 300mA sensitive direct current and unidirectional components class B insensitive to transient current pulses delay greater than or equal to 0 1 s When operating in the presence of mains supply a differential breaker RCD installed on the input will intervene as the output circuit is not isolated from the input circuit ...

Page 16: ...e relays on the REMOTE COMMANDS AND ALARMS card The control logic allows the function of the relay to be reconfigured for example for the backfeed alarm and then the free voltage contact can be used to control the triggering of a switch located on the UPS input 3 1 7 Emergency power off device EPO The UPS is pre set to be connected to a remote emergency power off device as laid down in standard EN...

Page 17: ...solated the battery cabinet disconnector fuse if present is open all the UPS disconnectors SWIN SWBY SWOUT and SWMB are in the open position position 0 check with a multimeter that there are no dangerous voltages on the terminal board For connection of the power cables to the terminal boards refer to the INSTALLATION DRAWINGS provided with the UPS and with the battery cabinet if present INPUT NEUT...

Page 18: ... must stay in the open position CABINET DISCONNECTOR For systems with more battery cabinets use a Battery switch cabinet where the cables can be parallel connected refer to the marketing department For the sizing of the cables and connection procedures refer to the INSTALLATION DRAWING attached to the battery cabinet For back up times requiring a greater number of Battery cabinets contact the mark...

Page 19: ...med via the display panel The ALARMS and the COMMAND are factory set in the following way ALARMS RL1 Bypass fault the contact changes position when the UPS switches the load onto the bypass line either during normal operation e g due to overload or as a result of a fault in the inverter stage RL2 Battery discharging the contact changes position when the load is powered from the battery due to a ma...

Page 20: ...NALIZATIONS menu on the CONTROL PANEL Depending on the distance of transmission the recommended values for the transmission speed are 9600 baud 50m 4800 baud 100m 2400 baud 200m 1200 baud 300m See the diagrams below for the connection procedure DB9 female RS232 2 For connection with a computer use a standard RS 232 cable See the diagram for connection with a modem 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8...

Page 21: ...32 1 For connection with a modem use a cable standard See the diagram for connection with a modem 3 3 1 Parallel optional To be used for the connection of UPSs in parallel configuration See the chapter parallel version on page 36 3 3 2 SLOTS 2 1 Two slots are available inside the device at the bottom to use two of the communication options For the full and updated list of communication accessories...

Page 22: ...mmunication with the UPS via serial port 8 relays configurable with 8 events on the MASTER HE RS232 output port with configurable messages RS 485 output port MDBUS JUBUS with configurable messages 3 3 6 REMOTE PANEL OPTIONAL The remote panel allows the UPS to be monitored from a distance and the user to have a detailed overview of the state of the machine in real time Using this device it is possi...

Page 23: ...iliary contacts of switches inserted in the MASTER MPS system see also the section on Insertion of additional system sectioning devices on page 38 Inserting additional disconnectors to supplement those already in the UPS means that the whole equipment can be replaced without interrupting the power supply to the load Q01 additional output disconnector Q02 additional disconnector of the external mai...

Page 24: ...c to regulate the battery maintenance voltage value in function of the internal battery cabinet temperature It is necessary to use the specific kit supplied by the manufacturer only any uses which do not comply with the specifications may cause malfunctioning or breakage to the appliance UPS Battery cabinet A B T ...

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Page 26: ...he following operations should be carried out in this order 1 close input disconnector SWIN 2 press button 1 twice select the language and then press button 8 to return to the basic menu 3 after a few seconds messages on the status of the UPS will start to be shown on the first line of the display panel these will include the following message relating to the battery disconnector Wait DO NOT conne...

Page 27: ...ot need to be charged With the UPS in normal operation open switch SWIN located at the UPS input rectifier The buzzer should sound immediately with 5 ON while OUT green LED and BATT yellow LED on the Signals and Commands Panel should be constantly on Check that the load connected to the UPS is powered In this state the power supplied to the load is the same as the energy that was previously accumu...

Page 28: ... place the bypass line has to remain in the acceptance field for the time set In Standby On mode the rectifier remains powered and keeps the batteries charged If the bypass line voltage or the frequency go out of the acceptance field the load is automatically switched onto the inverter output With Standby On operation the energy dissipated by the system can be reduced leading to considerable savin...

Page 29: ...bilizer The load is always powered through the inverter with stabilized voltage and frequency using the energy from the input mains The batteries are not present In the event of an input mains failure the output of the STABILIZER is not powered The letter S is displayed on the second line of the BASIC MENU near the UPS model 3 5 5 Frequency converter from 50 to 60Hz or vice versa load powered from...

Page 30: ...rate 9600 1200 2400 4800 9600 RS232 identification Basic number 0 0 to 31 3 7 Procedure to transfer the load from UPS onto maintenance bypass Maintenance bypass mode During maintenance bypass mode the load is supplied directly from the bypass line and therefore battery backup from the UPS is not available This mode of operation is provided for maintenance or service operations only and therefore m...

Page 31: ...vice SWIN SWOUT SWBY and the battery cabinet disconnectors fuses The control panel will remain off 2 before closing switch SWMB to connect the loads ensure that both the frequency and voltage of the supply line are sufficient to power the connected loads N B After carrying out the operations indicated above personnel must wait around ten minutes for the capacitors to discharge before working on th...

Page 32: ... line for Modem DB9 female DB9 male 1 9 1 9 13 14 1 12 SLOT 1 SLOT 2 aux SWOUT aux SWMB optional card optional card Input mains Bypass line input separate External Battery Output SWBY SWIN SWMB SWOUT Inverter Static switch Rectifier Signallings and command panel Backfeed protection Control circuit with microprocessor EPO Signalling and alarm remote RS 232 1 line for PC RS 232 2 line for Modem DB9 ...

Page 33: ...atically effected to check the state of charge and to reintegrate the normal battery auto discharge BATTERY This is the energy reserve to power the load when power is no longer supplied to the UPS It is housed in one or more additional cabinets The battery cabinet must be provided with a sectioning device and a protection device magneto thermal switch or disconnector with fuses The load is powered...

Page 34: ...tic or manual and in zero time of the power supply to the load from a protected line inverter output to an unprotected line bypass line or vice versa The MASTER HE is provided with a device to prevent the backfeed of voltage to the input line after an internal fault known as BACKFEED PROTECTION MANUAL MAINTENANCE BYPASS SWMB This is a maintenance disconnector The UPS can be excluded by closing SWM...

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Page 36: ...tion is exchanged between the UPSs via a cable connecting them in a loop The loop connection provides redundancy in the connection cable communication in the cables between the individual units This is the most reliable means of connecting the UPS and also allows the hot insertion or disconnection of a UPS Each UPS has its own controller that continuously communicates with the whole system so as t...

Page 37: ...fferential switch inserted at the input of the whole system as shown in figure B 4 2 3 Emergency power off device EPO When several devices are connected in parallel the EPO command must be sent to all UPSs simultaneously as shown in the figure below a EPO terminal board on the UPS b EPO switch with auxiliary contacts not provided The button must have the same number of auxiliary contacts as the nu...

Page 38: ...tall an external maintenance bypass The new disconnector located on the bypass line Q2 must be provided with auxiliary contacts one for each UPS The position of the contact is opposite to the position of the switch thus the contact must be closed when the disconnector is open The contacts of each disconnector must be connected to the corresponding UPS terminals as shown in the diagram T B 30 80 kV...

Page 39: ...ses L1 L2 L3 N to the corresponding output phases of each UPS L1 L2 L3 N The figure shows an example of three units connected in parallel Power supply line M MASTER HE input terminal boards B MASTER HE output terminal boards C Load D Aux SWOUT ex A a1 a2 a3 c1 c2 c3 length of cables NOTE SWOUT ext must be provided with an auxiliary contact open with the switch open and closed with the switch close...

Page 40: ...ssary to use a Battery switch cabinet where the cables can be connected in parallel consult the commercial department For the sizing of the cables and for the connection procedure refer to the INSTALLATION DRAWING attached to the battery cabinet Several MASTER HE s connected to the same battery TO CONNECT MORE UPS IN PARALLEL WITH ONLY ONE BATTERY Between battery cabinets and the UPS must be posit...

Page 41: ...0 pag 41 57 Consult the commercial department for backup times that require a greater number of battery cabinets Battery switches cabinet SW max 8 UPS SW Battery cabinet SWBAT Battery cabinet SWBAT max 5 battery cabinet ...

Page 42: ...TE COMMANDS RJ45 flat adapter signals parallel card N B the MASTER HE may be provided with two versions of parallel card that differ in the type of switch used type 1 or type 2 The difference between the two switches is the position of the control lever Type 1 type 2 LED side connector side J1 RJ45 type connector J2 RJ45 type connector SW1 start position connector side type 1 LED side type 2 Cont ...

Page 43: ...with the cable provided as shown below A UPS PARALLEL CABLE B RJ45 type connector C RJ45 flat adapter signal parallel card D LED on E SW1 start position F LED off G SW1 cont position two MASTER HE s in parallel To add other parallel UPSs a UPS PARALLEL CABLE must be added for each new UPS connected The signal connection must not be removed when one UPS is shut down B B C A D E MHT NBP B B C A D E ...

Page 44: ...th a capital X B or P is the MASTER unit The X on the MASTER unit may be X B the parallel battery code has already been inserted Only the battery capacity value has to be inserted see below X P the parallel battery code must be inserted by pressing keys 3 5 in sequence on the control panel and the code 467123 repeat the same sequence to disable the parallel The UPSs connected to the one in which t...

Page 45: ...cables and the rules on the length of the connections indicated in the section connections must be observed In the event of a mains power failure the load is passed onto all the parallel connected UPSs STAND BY OFF OPERATION In this mode if there is a mains power outage the devices share the load equally the load is not powered with the mains present STABILIZER WITHOUT BATTERY OPERATION In this mo...

Page 46: ...with message Parallel signal cable fault on the panel 3 Normal operation Slave units with message Parallel signal cable fault on the panel In this situation the load is powered correctly All the MASTER HE supply power to the load Let us assume that the signal cables between UPSs 1 3 and 2 3 are opened UPS STATUS 1 Normal operation Master unit with message Parallel signal cable fault on the panel 2...

Page 47: ...n switches SWBY SWOUT SWIN and the battery cabinet disconnector on unit 1 only If the active UPSs can power the load the system remains in normal operation and the maintenance can be carried out on UPS1 maintenance on the whole system The sequences of operations to be carried out to place the system in maintenance bypass are described below The procedures vary depending on the initial state All th...

Page 48: ...d above personnel must wait around ten minutes for the capacitors to discharge before working on the inside of the MASTER HE After the maintenance operations have finished restart the UPS by following the instructions in the section on START UP PROCEDURE see page 44 and then open disconnector SWMB if closed The MASTER HE will return to NORMAL OPERATION Insertion and removal with UPSs operating hot...

Page 49: ...ith hot removal it is not necessary to shut down all the UPSs of the system in order to remove one A UPS parallel cable type RJ45 B RJ45 female RJ45 female shielded adaptor cable UPS BYPASS CABLE N B if the UPS to be removed has SW1 in the start position one of the other UPSs UPS 1 or UPS2 must be in the start position One UPS in the system must have SW1 in the start position and LED Phase I Shut ...

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Page 51: ...zed technician The UPS is designed to power the load when it is disconnected from the power supply line High voltage is present inside the UPS even when the power supply and the battery have been disconnected After disconnecting the power supply line and the battery cabinet the trained personnel must wait around ten minutes for the capacitors to discharge before working on the inside of the equipm...

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Page 53: ...t 72 dBA 75 dbA Input cable from the bottom Applicable Standards Refer to the Safety and Compliance Manual supplied with the UPS 0MNA141_NE Electrical Data MASTER HE Power kVA 300 400 500 600 800 INPUT Rated voltage 380 415Vac 3 phase Input voltage tolerance referred to 400V 400V 20 10 100 load 400V 20 20 85 load 400V 20 30 75 load 400V 20 40 65 load Rated frequency Hz 50 60 Input frequency tolera...

Page 54: ...c variation 5 Recovery time within 1 20ms Conforms to standard EN 62040 3 class 1 Current peak factor Ipeak Irms as per EN 62040 3 3 1 Voltage distortion with linear load 1 typical 2 max Voltage distortion with non linear load EN 62040 3 3 Stability of frequency with Inverter synchronized with the bypass mains 2 adjustable from 1 to 6 from control panel Stability of frequency with Inverter not syn...

Page 55: ...Normal Mode 1ms Switching onto bypass with Inverter out of sync UPS in Normal Mode 100 ms 20 ms 10 100 prog Switching from bypass to Inverter UPS in Stand by On mode from 2 to 5ms Delay in transfer onto Inverter after switching onto bypass 4 ms Power overload capacity of the bypass line 110 for 60 minutes 125 for 10 minutes 150 for 1 minute i t SCR bypass 8 10ms A s 25 C 125 C 1800k 1200k 6480k 51...

Page 56: ...user manual for an explanation of the alarms COMMAND name description Typical application Bat tery charge inhibition Disables the recharging of the battery keeping the recharge current to a minimum independently of the load This is done with the contact kept closed if reopened the command is cancelled When there is a generator this allows its output power to be used only to supply the load and not...

Page 57: ...s the first time charging underway This is achieved by switching the contact from open to closed Activates manual remote battery charging Activation of block on Bypass Bypass command by means of blocking the inverter as a result of switching onto the bypass line N B The command is only executed if the bypass line is present with correct values This is achieved by switching the contact from open to...

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