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ENG

1.00

1 0991 491

EN

-

23.08.2016

9 / 45

NGV-EK

V

ALVE

M

ANUAL

I

NSTALLATION

,U

SE AND

M

AINTENANCE

(by-pass) when excited directs the flow towards the valve, allowing then to be able to supply the motor

pump with the VB spool closed. The valve is energized after the VB opening and it is de-
energized at the end of Soft Stop or when occurs an advance interruption of the manoeuvre.

All the other valves have features of safety, pilotage, etc. For example :
MPS+OPP

Maximum pressure valve with pilot

5

Overspeed screw

VSMA

Emergency lowering valve

1.5

THE DOUBLE SAFETY

For the double safety the system has two spools in series, the VRP and the VB.

Both work together to stop the car in different ways between upward and downward

UPWARD

The spool VB controls acceleration and deceleration.
During the approach to the landing, the spool VB, will be almost fully open to discharge a quantity of oil
equal to: Qt = Qp - Qc

where

Qt = Oil sent to the drain through the VB, Qp= Pump flow

Qc= Flow to the cylinder, corresponding to the car speed

The car stop at the landing is made by opening completely the VB and bringing the value of Qt = Qp. As a
result Qc becomes zero.
The car stops when the pressure of the chamber C2 become equal to the pressure of the chamber C1
(Static pressure of the system). In this case, the VRP spool closes, because is pushed by the pressure and
by the spring, and the car stops at the landing.

DOWNWARD
The downward phase is simpler and, after the opening of the VRP spool, the car speed is controlled by the
VB spool. To a more opening of the spool corresponds an higher speed of the car
The phase of arrival at the landing is determined by the following events:

The VRP spool is opened by the push of the spools P, controlled by the VMD pilot valve
The VB spool closes to stop the car
The VMD valve, raised the landing, is de-energized and consequently the VRP spool closes.

During standard operation of the system, both upward and downward, the proper working of the two
spools (VRP and VB) acting in series, is controlled by three switches :

One, (S1) installed on the VRP, to control the full close position.
Two (S2, S3) installed on the VB, to control the full close and the full open positions
During all phases the system control that the spools reach the correct open and close position.

If this do not happen, the system send an alarm to the control panel, which must turn the system into the
out of service status.

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Содержание NGV-EK

Страница 1: ...English NGV EK VALVE NGV EK VALVE MANUAL INSTALLATION USE AND MAINTENANCE 1 0991 491 EN AVAILABLE WITH TANK TYPE GL F1 T2 T3 GL Dry F1 Dry ...

Страница 2: ...rs are adjusted at the factory on the following pressures Pmin P min 12 pressure calculated with empty car or Pmin of the motor pump 20 Pmax pressure with car fully loaded After the installation to check reading the parameter Menu 1 1 that the values match those entered and if they are different correct them with the ones detected These values refer to the run curve in NORMAL mode and they are ign...

Страница 3: ...ONNECTION 13 2 5 SCHEMAS OF THE CONNECTIONS TO CONTROL PANELS 13 2 5 1 MAIN SCHEMA 14 2 5 2 CONNECTION SCHEMAS FOR SIGNALS AND POWER 15 2 5 3 CONNECTION SCHEMAS FOR SOFT STOP 16 2 6 CONNECTIONS TO THE TERMINAL AND TO THE MOTOR 17 2 6 1 SUBMERGED MOTOR 17 2 6 2 DRY MOTOR 17 3 NGV EK CONTROL BOARD CARD 18 3 1 FEATURES 18 3 1 1 HOW TO INTERFACE 19 3 1 1 1 MAIN CONFIGURATIONS 19 3 1 1 2 SOFT STOP MODE...

Страница 4: ...3 6 4 2 SENSOR S2 43 6 4 3 SENSOR S3 43 7 CERTIFICATES 44 7 1 TYPE EXAMINATION 44 7 2 CONFORMITY 44 ENG All rights reserved Any kind of exploitation in any form and by any means is forbidden without a written permission of GMV Spa GMV Spa within technical or manufacturing progress reserves the right to modify parts or this manual without notice Drawings descriptions and data included in this manua...

Страница 5: ...or pump MPS Maximum pressure spool NGV EK NGV EK Valve Complete OFF Not powered ON Powered OPP MPS pilot valve P VRP pilot spool PAM Hand pump PT Pressure transducer QM Control panel RDY Ready Ready signal card output to control panel RO Oil heating resistance R S1 2 Shut off valve1 Silencer2 RT Motor thermistors RUN Run Start signal card output to control panel S1 VRP Sensor to control the VRP cl...

Страница 6: ...icularly EN 81 2 Safety rules for the construction and installation of lifts EN 1050 Safety of machinery Principles for risk assessment ISO 3864 Safety colours and safety signs 0 2 DOCUMENTS RELATED WITH INSTALLATION The documents to use for the installation are those required by the EN81 2 1998 and by the rules in force particularly the following THIS INSTALLATION MANUAL WIRING AND HYDRAULIC DIAG...

Страница 7: ...ronic digital technology the Stepping System device the possibility to use ecological fluid or traditional mineral oil the working pressure between 12 and 45 bar Guarantees Increased reliability of the control system Best performance Reduction of costs Reduction of the installed power up to 20 Reduction of consumptions up to 40 Reduction of the travel time Reduced use of heat exchangers Constant d...

Страница 8: ...ineral oil allowing greater stability ensuring better performance against wear and aging on systems as lifts for persons and goods in accordance with the environmental directive 2006 118 EC Thanks to a flash point above 220 C compared to the 140 C of the traditional mineral oil it is safer and reduces the risk of fire 1 4 HOW THE NGV EK WORKS The NGV valve is made with a non return valve VR a cont...

Страница 9: ...lue of Qt Qp As a result Qc becomes zero The car stops when the pressure of the chamber C2 become equal to the pressure of the chamber C1 Static pressure of the system In this case the VRP spool closes because is pushed by the pressure and by the spring and the car stops at the landing DOWNWARD The downward phase is simpler and after the opening of the VRP spool the car speed is controlled by the ...

Страница 10: ... panel when the system is outside of the doors unlocking zone is that it does not send commands to the card and or the motor pump 1 6 MAIN FEATURES Valve Type I a NGV EK Minimum operating pressure I b 12 bar Maximum operating pressure I c 45 bar Test speed I d 1 m s Temperature operating range 5 C 70 C Rated pump flow range 55 300 l min ...

Страница 11: ... 4 1 1 x M36 1 1 x M36 1 100 150 1 x M45 1 1 4 35 1 x M45 1 1 4 180 216 1 1 4 1 1 4 x M45 1 1 4 x M45 250 300 1 1 2 1 1 2 x M52 1 1 2 42 1 1 2 x M52 1 1 2 2 1 2 1 CONNECTION WITH FLEXIBLE HOSE Remove the gear and the cutting ring from the terminal connection of the silencer Ensure that the terminal connection is well fixed on the silencer Clean and oil the threading and their seats Fix the flexibl...

Страница 12: ...by hand until it is felt that the cutting gear lays perfectly to the nut Then screw the nut using a wrench until the cutting edge of the ring is in contact with the tube and prevents it from rotating Keep the pipe against its stop to avoid the rotation screw the fixing nut by 3 4 rev In doing so the ring engraves with the necessary depth the external part of the tube and rises a border in front of...

Страница 13: ... rule EN 81 2 2010 This circuit if it detects a movement of the car with doors not closed outside the unlocking zone prevents the control panel to send any command to the valve The system restore should be performed only by an authorized and properly trained person Distance of setting 200 mm Maximum time for the intervention of the circuit 270 ms For other data or signals sequence see next paragra...

Страница 14: ...1 0991 491 EN 23 08 2016 1 00 ENG NGV EK VALVE MANUAL INSTALLATION USE AND MAINTENANCE 14 45 2 5 1 MAIN SCHEMA W25 L A A A N A A A 18 30V 24 40 V 18 30V 2200 4700 F 50V µ V ...

Страница 15: ...1 2 VMD V V M 0 1 H L H L L H L H VMP CV1 VML CV2 CV2 AUX CV3 CV3 CV CV VD VP EM EM IN 0 0 PE X13 X16 J7 J8 J9 X5 X7 J6 X6 4 1 CARD 1 2 VML 1 2 VMD1 1 2 VMD V V M 2 U V M MP ISO Scheme Mode 3 4 Scheme W25 H L H L L H L H VMP CV1 VML CV2 CV2 AUX CV3 CV3 CV CV VD VP EM EM IN 0 0 PE X13 X16 J7 J8 J9 X5 X7 J6 X6 4 1 CARD 1 2 VMP 1 2 VML 1 2 VMD1 1 2 VMD V V M 3 4 U V M MP ISO 25W 24 VDC 5 20 PE H L H ...

Страница 16: ... 1 CARD SS1 OS1 OS2 OS3 LS LD 0V 24 LC X3 24 48V 0V 0V 16 48V NO QM CFS CFS Upward stop switch Soft Stop Scheme mode 2 SS2 X3 16 48V 0V 0V 24 48V NC QM CFS CARD OS1 OS2 OS3 LS LD 0V 24 LC CFS Upward stop switch Soft Stop Scheme mode 3 CARD SS3 CF QM 10 11 12 21 22 31 32 41 42 SC SC1 SC2 SC3 SC X1 X2 X4 NC NC NO LS CL 0V Existing circuit Changes to make ...

Страница 17: ... RT1 RT2 M 3 TO RO RT 150 mm Y U1 W2 V1 U2 W1 V2 U1 W2 V1 U2 W1 V2 RO2 RO1 TO1 TO2 RT1 RT2 RO2 RO1 TO1 TO2 RT1 RT2 M 3 TO RO RT 150 mm 2 6 2 DRY MOTOR U1 W2 V1 U2 W1 V2 RO2 RO1 TO1 TO2 RO2 RO1 TO1 TO2 M 3 TO RO RT 150 mm 230 400V 400 690V Impossibile visualizzare l immagine collegata È possibile che il file sia stato spostato rinominato o eliminato Verificare che il collegamento rimandi al file e ...

Страница 18: ...tage input VMD 20 180 230 Vdc Vac 06 Voltage input VBP by pass 20 180 230 Vdc Vac 07 Relay output with voltage free contact according to EN81 2 for distances and isolation up to 250V 24Vdc 2A min 20Vdc 10mA 250 Vac 2A 08 Inputs for well sensors quantity 2 24 48Vdc 10mA max 1 changeover contact 09 Additional inputs AUX quantity 3 48 180 230 Vdc Vac VALVE INTERFACE 10 Input for pressure sensors quan...

Страница 19: ... is not available it is necessary to use the device MP ISO in order to detect the motor pump power 3 1 1 1 MAIN CONFIGURATIONS 6 9 MODE 6 10 SOFTSTOP POWER UNIT TO REPLACE EXISTING COMMANDS CONNECTED TO 0 0 3010 VMP Soft stop VMD VML VMP VD VML VMP 1 1 2 3 3010 VMP VMD VML VMP VD VML VMP 2 1 2 3 3010 VMD VML VD MP ISO VML 3 0 3010 2CH Soft stop VMD VML VMP VD MP ISO VML AUX 4 1 2 3 3010 2CH VMD VM...

Страница 20: ...istable LS 5 LD Input mono bistable LD 6 LC Common Common LS LD Positive or negative 7 24 24Vdc 50mA Output Aux 24Vdc 8 0V Common Common for 24Vdc Connettor X4 step 5 0 mm Pos Mark Features Description L H L L H L H LD 0V 24 LC SC SC1 SC2 SC3 SC VMP CV1 VML CV2 CV2 AUX CV3 CV3 IN 0 0 PE X16 J7 J8 J9 X5 X4 J6 X6 4 1 1 SC Common Common inputs SC1 2 3 2 SC1 48 180Vdc 230Vac Inputs SC1 SC2 SC3 insulat...

Страница 21: ...e transducer 2 Optional 4 P2 4 20mA 0 100bar Connettor X10 step 3 5 mm SensorS1 VRP Settable Pos Mark Features Description J2 J1 J4 S1 S2 S3 X10 X11 X12 LV1 LR1 J5 BAT1 J3 X14 1 12V 50mA max J2 1 2 Sensor ON OFF 12V J2 2 3 Linear Sensor 0 5V 2 S1 0 12Vdc 0 5V 3 0V Jumper J2 to set connector X10 Pos Description S1 S2 S3 X11 X12 X13 LV1 LR1 J5 BAT1 J2 J1 J3 X14 J4 1 2 Sensor S1 VRP ON OFF 2 3 Linear...

Страница 22: ...P1 T T P1 P2 P2 S1 X8 X9 X10 X13 X7 J6 L VMD and VBP Voltage 24 60Vdc ac H VMD and VBP Voltage 80 180Vdc 230Vac Jumper J7 to set connector X5 Pos Description L H L L H L H LD 0V 24 LC SC SC1 SC2 SC3 SC VMP CV1 VML CV2 CV2 AUX CV3 CV3 IN 0 0 PE X16 J7 J8 J9 X5 X4 J6 X6 4 1 L H L L H L H LD 0V 24 LC SC SC1 SC2 SC3 SC VMP CV1 VML CV2 CV2 AUX CV3 CV3 IN 0 0 PE X16 J7 J8 J9 X5 X4 J6 X6 4 1 L VMP Voltag...

Страница 23: ...01 5 Not in use 6 Not in use 7 0V Power negative 8 0V Power negative 3 2 7 MOTOR PUMP INTERFACE MP ISO Connettor X16 step 5 0 mm Pos Mark Features Description L H L L H L H LD 0V 24 LC SC SC1 SC2 SC3 SC VMP CV1 VML CV2 CV2 AUX CV3 CV3 IN 0 0 PE X16 J7 J8 J9 X5 X4 J6 X6 4 1 1 VD 24V Positive power sensor 2 CV ON OFF 0 24V Signal sensor 3 CV 0V Negative power sensor 4 VP 0V Negative power sensor H L...

Страница 24: ...Soft stop distance SC1 Leveller FUN11 Function 11 Inhibition of stop signal VBP By pass valve LS Upward Mono bistable NO NC VD Downward command MP Motor pump VMD Downward solenoid MP ISO Motor pump sensor VML Levelling solenoid OS Inhibition of stop signal on OS inputs VMP Starting solenoid Y D SCC ...

Страница 25: ...0 65 V 0 85 1 14 0 98 0 88 0 83 0 85 V 1 00 1 36 1 18 1 11 1 05 The distance between the deceleration sensor DRAL and the floor must be regulated according to the chart above If the levelling space is greater is possible to make an adjustment using the programmer as shown in the chapter Programming D Downward command ON Powered DN Downward UP Upward MP Motor pump V0 V1 V2 V3 Speed high medium insp...

Страница 26: ...e µSD once the µSD memory has been deactivated from the program menu or the card is powered off you can safely remove it without loosing any data The file system is in FAT32 and can also allow to operate on the µSD using a computer or another compatible devices The memory can store all necessary data eg a copy of the manual as long as you do not change any required path shown on side NGV NGV EK01 ...

Страница 27: ...tion created during the factory configuration phase by menu 11 2 Load User by selecting from the list of user orders you can load from the directory usr if available a custom configuration NB the parameters loading sets the valve IDENTIF equal to the name of the selected file Next save as user will use this name replacing the file on the µSD Using PC you can operate using the following commands se...

Страница 28: ...ocedure on the PT01 programmer please refer to the Programming chapter 7 Start the motor pump group V0 VS 8 Read the pressure value on the programmer PT01 9 If the value differs from the calibration one Press the manual lowering button ML to decrease the pressure in the valve block Screw the adjustment screw 1 to increase the pressure on the MPS unscrew the adjustment screw 1 to reduce the pressur...

Страница 29: ...r to the technical data on the plant and instructions of the rupture valve To test the pipe rupture valve follow the next procedure 1 Move the car to the highest floor at full load refer to system use manual 2 After the car comes to a full stop loosen the locknut 5 and unscrew the screw 5 3 turns 3 Start the 9 2 Pipe Rupture test procedure on the PT01 programmer please refer to the Programming cha...

Страница 30: ...PT01 5 Start on the control panel the UP direction test procedure This procedure must exclude the possibility to call the car form the landings Open the electrical safety chain at the landing doors level for the system the doors must be open even if physically closed 6 Open manually or electrically the emergency lowering valve moving in down direction the car until the intervention of the re level...

Страница 31: ...t To test of the monitoring system is therefore sufficient at the end of any travel make sure that 2 1 Alarm there is no one among the following faults 06 07 13 22 NOTE If requested it is possible to simulate a fault of the sensors removing from the card or the connector X10 FAULT 06 or the X11 FAULT 14 During this event the card must go into alarm Using the programmer PT01 verify that any alarm i...

Страница 32: ... 4 4 Slow DN min xx 6 4 Slow Speed x xxx m s 8 4 Output 41 42 FUN xx Nx 1 3 Ref Speed x xx m s 4 5 Start UP max xx 6 5 Relev Speed x xxx m s 1 4 Inputs 4 6 Slow UP max xx 6 6 Acc Profile XS S ST F C 9 NGV EK01 TEST 1 4 1 In S1 2 3 SM 0 0 0 0 4 7 High DN max xx 6 7 Dec Profile XS S ST F C 9 1 OverP Value Ent Start 1 4 2 In VMP L X D 0 0 0 0 4 8 Slow DN max xx 6 8 Start Delay x x s 9 2 Pipe Rupture ...

Страница 33: ...n 1st screen NGV EK01 ID 1234567890123 Power unit serial number Identif 1 DIAGNOSTICS NGV EK01 1 DIAGNOSTICS 1 1 PRESSURE XX X BAR Pressure gauge bar read by the pressure transducer 1 2 TEMPERATURE XX X C Temperature gauge C read by the temperature transducer 1 3 REF SPEED X XXX M S Set point speed m s 1 4 INPUTS Menu input signals 1 4 1 IN S1 2 3 SM 0 0 0 0 State of the input signals S1 S2 S3 SM ...

Страница 34: ...n the Failure Chart Last 8 alarms are stored in memory 2 8 ALARM 08 00 NO ALARM 3 RESET ALLARMS AND FAULT NGV EK01 3 AL FLT RESET 3 1 RESET ESC NO ENT YES Pressing the ENT key on the programmer all the faults and the alarms are deleted 4 ADJUSTMENTS NGV EK01 4 ADJUSTMENTS Optimal car motion Real car motion A B C 4 1 START UP MIN XX X UPWARD start adjustment 99 99 A 4 2 SLOW UP MIN XX X UPWARD leve...

Страница 35: ... Minimum static pressure 5 0 45 0 bar 5 5 PSTAT MAX XX X BAR Maximum static pressure Pstat Min 45 0 bar 5 6 P MIN XX X BAR Minimum pressure 1 0 10 0 bar medium value 5 bar 5 7 P FULL LOAD XX X BAR Full load pressure 80 of nominal load 12 0 45 0 bar 5 8 P OVERLOAD XX X BAR Overload pressure 110 of nominal load 12 0 50 0 bar 5 9 P MAX XX X BAR Pressione di massima 140 del carico nominale 15 0 70 0 b...

Страница 36: ...top Active only if menu 6 9 different from 0 1 1999 default 0 7 DOWNWARD PARAMETERS NGV EK01 7 DN PARAMETERS 7 1 NOM SPEED V0 X XX M S Enter required nominal downward speed m s es 0 63 7 2 INT SPEED V1 X XX M S Indicates the Intermediate speed m s 15 75 x Nominal Speed 7 3 INS SPEED V2 X XX M S Inspection speed 0 15 0 63 m s 7 4 SLOW SPEED X XXX M S Levelling speed 0 01 0 15 m s recommended 0 04 m...

Страница 37: ... for working Press ENT to start the routine The routine is ended when the D signal falls down Press ESC to exit and ENT to start again 9 3 UCM UP TEST ENT Start Start the routine that allows to simulate the unintended car movement in up direction To use this function see the chapter Test in Up direction This routine needs that the control panel works in normal mode not inspection Press ENT to star...

Страница 38: ...tputs 21 22 31 32 41 42 are programmable with a specific function Each function could be defined active as NO Normally Open or as NC Normally Close Funzione Descrizione Codice PT01 0 No function output OFF FUN00 1 Minimum pressure see parameter 5 7 into the Programming section FUN01NC FUN01NO 2 Maximum pressure see parameter 5 10 into the Programming section FUN02NC FUN02NO 3 Maximum pressure or m...

Страница 39: ...e of overpressure 10 PRESS MIN Minimum pressure 5 7 PSTAT MIN Find and correct the cause that does not allow to the pressure to reach the minimum value required 11 OIL TEMP LOW Minimum oil temperature 5 C Verifiy that the sensor works crrectly or install an oil heater 12 OIL TEMP HI Maximum oil temperature 5 11 COOL TEMP If the parameter 5 11 COOL TEMP is 70 C set the value up to 70 C If the param...

Страница 40: ...AINTENANCE AND FAULT ANALYSIS 6 1 PROGRAMMED MAINTENANCE For a correct and safe lift use it is necessary to make a preventive programmed maintenance following a fixed plan To define the periodical maintenance frequency you should consider more events particularly Number of travel per year Travelling and stopping periods Age and condition of the lift Site and type of the building in which the lift ...

Страница 41: ...check that the motor protection working properly Filter Check the main filter FIL mounted inside the silencer and clean it if is necessary Pressures check Check static and dynamic working pressure at the end of installation Check regularly that all values of these parameters remain unchanged Pressure gauge shut off 6 Close the ball valve R S open the pressure gauge shut off 6 and fully discharge t...

Страница 42: ...diagrams are in place and legible oil data label emergency operation manual electrical diagram and hydraulic power unit schemes Overall check up Perform an overall check up of the power unit When the overall check up ends check all the settings for the power unit start up Replace or restore all the components not correctly working NOTA In case of oil replacement do not throw the oil away in the en...

Страница 43: ...USE AND MAINTENANCE 6 4 1 SENSOR S1 1 2 3 1 4 6 4 2 SENSOR S2 1 2 3 1 4 6 4 3 SENSOR S3 1 Using the programmer PT01 select the function 9 8 S3 tuning and activate it pressing ENT 2 Proceed as show in the image 3 deacrivate the function 9 8 S3 tuning by pressing ESC 1 2 3 1 4 ...

Страница 44: ...ATION USE AND MAINTENANCE 44 45 7 CERTIFICATES 7 1 TYPE EXAMINATION 7 2 CONFORMITY UNI EN 12016 2008 UNI EN 12015 2005 EN 50178 1997 IEC 60974 1 2007 UNI EN 81 2 2010 F 6 3 1 1 a CEI EN 60068 2 6 2008 UNI EN 81 2 2010 F 6 3 2 IEC 60068 2 1 2007 IEC 60068 2 2 2007 ...

Страница 45: ... Doc n 1 0991 491 Rev 1 00 23 08 2016 File NgvEK MI 02 10991491EN 100 doc J21 APPARECCHIATURE FLUIDODINAMICHE E COMPONENTI PER ASCENSORI GMV SPA VIA DON GNOCCHI 10 20016 PERO MILANO ITALY TEL 39 02 33930 1 FAX 39 02 3390379 HTTP WWW GMV IT E MAIL INFO GMV IT Azienda CERTIFICATA UNI EN ISO 9001 ...

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