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Technical Manual

V700

–

11/2017

MTMECMPsava3_700_EN

Installation

• Assembly • Start

-Up

Use • Maintenance • Repair

HYDRAULIC POWER UNIT 1 ¼” 1 ½”

MP sava3

Содержание sava3

Страница 1: ...Technical Manual V700 11 2017 MTMECMPsava3_700_EN Installation Assembly Start Up Use Maintenance Repair HYDRAULIC POWER UNIT 1 1 MP sava3 ...

Страница 2: ...OF MODIFICATIONS IN REGARD WITH THE PREVIOUS VERSION INDEX SECTION DESCRIPTION OF THE MODIFICATION MODIFICATION CONCERNING Physical Product Functions Features Figures Writing 8 The Pressure test for commissioning as per standards EN 81 2 and EN 81 20 has been inserted MTHDsava3_600 ...

Страница 3: ...Hydraulic power unit 18 3 2 Oil cooler and thermal switch wiring 19 4 TANK OIL HEATER 19 5 MAINTENANCE 19 5 1 Cleaning of the reutrn oil filter 20 5 2 General checks 20 6 CONTROLS 21 7 COMMISSIONING TEST RELATED TO UNINTENDED CAR MOVEMENT UCM AS PER EN 81 2 EN 81 20 22 7 1 Preliminary requirements 22 7 2 Failure simulation of the VB valve Descent valve operated by the YD Electrovalve 22 7 2 1 Fail...

Страница 4: ...either the tools nor the individual protection equipment are included in the pack Individual Protection Equipment Helmet Anti cut gloves Reinforced boots Safety belt Goggles or shield Back belt 1 HYDRAULIC POWER UNIT 1 1 Mechanical assembly 3 Take the hydraulic hose from the hole to connect to the power unit and to the rupture valve on the cylinder 4 Fill the tank STEPS TO FOLLOW a Remove the tank...

Страница 5: ... hose perfectly square Use a saw do not use a hose cutter Remove burrs inside and outside Clean the hose inside with a non fray cloth Fit nut and ring to the pipe in the shown order Screw on the cap nut by hand as much as possible Push the pipe up against the bottom of the coupling Tighten the nut with a spanner 1 5 turns the pipe must not be able to rotate Oil the cutting ring Cutting edge of the...

Страница 6: ...ble Pipe behind the Rupture Valve as well as between the Rigid Pipe and Power Unit Recommended for lengths 10 m Avoid leaving the hose completely straight Remove the protective plate and seal paper Check the o ring seal is properly placed in its housing In case of double cylinder installation connect the rupture valves each other by using a Ø6mm steel pipe fitting box Fix steel or flexible pipe Us...

Страница 7: ...Submerge the heater resistance into the oil Optional component Motor is supplied according to the customer specifications U 2 W 1 V 1 U 1 D Connection Motors delta connected 50 Hz 230 400 mains 230 V 400 690 mains 400 V 415 720 mains 415 V 60 Hz 220 380 mains 220 V 380 660 mains 380 V Y Connection Motors star connected 50 Hz 230 400 mains 400 V 60 Hz 220 380 mains 380 V Warning Y D starting is pos...

Страница 8: ...excessive the motor may be turning in the opposite direction If the temperature of the machine room is very cold or very wet the oil has to be heated The manometer should be connected only when used by the installer Check the rupture valve After all adjustments have been made seal the caps of all the valves NOTE YS the name of this valve is defined by the chosen configuration equipment Then it wil...

Страница 9: ...ected for 2 seconds after the lift stops For direct starting motor idle time approx 0 5 seconds YS A3 2 BLOCK OF VALVES 2 1 MP sava3 Valve Block according to 2014 33 EU European Standard 2 1 1 Description of valves 2 1 2 Unit operation 1 Pressure relief valve adjustment 2 Upwards acceleration adjustment 3 Upwards downwards acceleration adjustment 4 Levelling speed adjustment 5 Down speed adjustmen...

Страница 10: ...ng speed Screw 6 Hand pump relief valve adjustment YD Descent Electrovalve Screw 7 Cylinder minimum pressure adjustment YS Y Δ Starting Electrov YS A3 2014 33 EU Integrated Soft Stop SVC YS A3 Valve magnetic Sensor VP Balancing down pressure switch SVD Descent Valve YD magnetic Sensor VL Pressure relief valve CP Maximum pressure switch optional VM Manual descent valve VG Valve to control the minim...

Страница 11: ...speed 3 If the speed is lower than required tighten screw 5 so that down speed increases speed 3 Upwards and downwards deceleration adjustment Screw 3 1 Load the lift car with half the rated load 2 Tightening screw 3 makes the change smoother accelerated it also reduces the time at the levelling speed for a distance of the change signal 3 Loosening screw 3 makes the change more abrupt accelerated ...

Страница 12: ...ever and check the lift goes up 2 If not the hand pump needs priming To do this pump the lever while loosening and tightening the bleeding screw several times until an opposition in movement is observed Then tighten the screw 3 To check the tripping pressure of the relief valve Close the shut off valve and cut off the power Pump the lever and note the manometer reading after it is stabilized Press...

Страница 13: ...ad at any time 2 Protecting key must remain locked fully tightened to ensure the correct operation of the manometer 8 Rupture valve DESCRIPTION This device consists of a valve that stops the flow of oil when the downward speed of the lift exceeds a preset value The Rupture Valve Test must be done with the FULL LOAD in the lift according to EN 81 2 and EN 81 20 standard 1 Testing the rupture valve ...

Страница 14: ... Connect in Y for 2 seconds approx Y D starting UPWARDS DOWNWARDS YS 2 2 MP sava3 Valve Block 2 2 1 Description of Valves 2 2 2 Unit operation 1 Pressure relief valve adjustment 2 Upwards acceleration adjustment 3 Upwards downwards deceleration adjustment 4 Levelling speed adjustment 5 Down speed adjustment 6 Cylinder minimum pressure adjustment 7 Hand pump relief valve adjustment Adjusting screws...

Страница 15: ... Down speed adjustment YR Electrovalve for changing speed Screw 6 Hand pump relief valve adjustment YD Descent Electrovalve Screw 7 Cylinder minimum pressure adjustment YS Y Δ starting Electrovalve optional VP Balancing down pressure switch VL Pressure relief valve CP Maximum pressure switch optional VM Manual descent valve VG Valve to control the minimum pressure in cylinder MP sava3 MP Valve Blo...

Страница 16: ...the floor Motor will remain connected for 2 seconds after the lift stops For direct starting motor idle time approx 0 5 seconds 2 3 MP sava3 Valve Block SOFT STOP 2 3 1 Description of Valves 2 3 2 Unit operation 1 Pressure relief valve adjustment 2 Upwards acceleration adjustment 3 Upwards downwards acceleration adjustment 4 Levelling speed adjustment 5 Down speed adjustment 6 Cylinder minimum pre...

Страница 17: ... Down speed adjustment YR Electrovalve for changing speed Screw 6 Hand pump relief valve adjustment YD Descent electrovalve Screw 7 Cylinder minimum pressure adjustment YS Y Δ starting electrovalve optional Soft Stop integrated VP Balancing down pressure switch VL Pressure relief valve CP Maximum pressure switch optional VM Manual descent valve VG Valve to control the minimum pressure in cylinder ...

Страница 18: ...tank identification cover Remove this protection before installing the cooler REQUIRED ACCESSORIES NOT INCLUDED INPUT SAE 100 Elbow 90º Hydraulic hose M G 1 M G Connector 1 hydraulic joint OUTPUT SAE 100 Elbow 90º Hydraulic hose M G M G Connector Hydraulic joint ASSEMBLY ON TANK COVER 4 T 25 30 Silent blocks 4 DIN 934 M6 nuts 4 DIN 7980 Ø6 Grower 4 DIN 9021 M6 Washers IMPORTANT The oil cooler must...

Страница 19: ...UPPLIED 2 W cm2 SUPPLY VOLTAGE 380 V 220 V THREE PHASE COOLER IMPORTANT Do not connect the resistance without drowning it into oil NOTE The resistance does not work over an oil temperature of 15ºC 3 TT TT TT R S T 2A 2A 3 2 Oil cooler and thermal switch wiring 4 TANK OIL HEATER To make a correct connection between the power unit and the oil heater see page number 6 of this technical manual ...

Страница 20: ...end to filter the oil the filter should be between 30 and 40 μm Clean the tank Change the fitting set seals and rings of the cylinder Once the inspection operations have been performed check all the points as if it was a new installation Close the shut off valve so the power unit and the cylinder are isolated Remove the four connection screws of the valve body and open it Take out the return filte...

Страница 21: ... correct Check the condition of the oil with just a visual inspection 16 Return filter cleaning Ensure that the state of the main filter located on the shut off valve is correct and clean it frequently 17 No excessive leaks in the cylinder head Check the oil level in the drain bottle so that leaks do not exceed 1 to 3 litres per month 18 Pressure test is correct 200 of the full load pressure Check...

Страница 22: ... 1 When the car is empty make an ascent call to the upper floor of the run 2 During the trip with a punch tight completely the actuator located in top of the YD Electrovalve golden colour see the previous picture this operation opens the VB and does not allow its closing 3 The test is completed when the LED of sensor SVC monitoring the VD valve closing is lit 4 The test shall confirm that the dist...

Страница 23: ...7 5 of the Standard EN 81 20 7 4 Test of the monitoring system With the car at level and the controller switched on unplug any SVD or SVC magnetic sensor 1 Check that the controller displays the failure corresponding to the non detection by the position sensor of the valve closure after the lift reached the floor With the lift functioning and before it arrives at level unplug any SVD or SVC magnet...

Страница 24: ...period Check that there was no leakeage nor pressure drops taking int account the possible effects of temperature change in the hydraulic fluid For such a test to be considered successful there should be no loss of pressure greater than 10 during the final 5 minute period Through a visual inspection ensure that the hydraulic system integrity is maintained In exceptional circumstances the pressure ...

Страница 25: ...ave to come into contact with in order to try to solve the incident In order to have a greater control over the tasks of regulation and assembly of the hydraulic power unit it is necessary to thoroughly read the Technical Manual included with the MP hydraulic product Test screw of rupture valve T9 Disposal of the control elements in the valve block Manometer Hand pump pressure relief valve adjustm...

Страница 26: ...hese tubes in order to verify through which of these the oil is flowing at all times Essential help to localize the existing problem in each different situation Start up valve Speed change electrovalve Hand pump relief pressure valve Starting electrovalve Relief pressure valve Descent electrovalve Cylinder minimum pressure regulator Manual descent push button Discharge hose Speed change electroval...

Страница 27: ... valve regulator screw nº1 Check that the lift is not carrying a load greater than the load specified If the load is correct check that oil is not flowing through the pressure limiter return pipe if this is the case it will be necessary to correctly adjust the aforementioned valve follow that shown in MTHDEQHMP See paragraph 2 2 for an explanatory image Thermal probe Arranged as a support for the ...

Страница 28: ... appearance of the seating in the piston s locking cone into the body of the start up sequence block Make it if it being wrong Take the start up block apart to clean the jet and the filter acting as a connection with the main block as they may be obstructed Discharge piston The discharge piston may be blocked the oil is being returned through the main discharge pipe yellow or black hose Proceed to...

Страница 29: ...trovalve Pulsation minimizer Silencer Partial break or hole in the component Replace minimizer the oil is being lost through the soldered joint Full load Overpressure valve regulator screw nº 1 The screw is wrongly adjusted The return of the oil to the tank with less pressure than that needed for the task Adjust the aforementioned valve to pressure 1 4 Pest Max In order to proceed to carry out the...

Страница 30: ...n regulator screw nº 3 The screw may be excessively tightened and the lift may change speed very slowly Turn the regulator to open it in the direction indicated by the arrow The screw thread may be broken and not act as a regulator Check Check the state of the filter and the intake port for the regulator screw nº 3 Take it out and clean it if required Speed change electrovalve YR The coil does not...

Страница 31: ...nt regulator screw nº 5 The screw may be excessively untightened Turn the regulator tightening it until achieving the desired speed Pressure equalizer valve controlled by screw nº 5 The piston responsible for equalizing the pressure during descent may be blocked open the screw take out the piston positioned in the inside and clean any possible shavings or impurities both in the piston and its fram...

Страница 32: ...e are some other reasons for not reaching the correct levelling speed in descent Safety gear valve test regulator screw nº 9 Check that the screw is not tightened as it could cause an excessively high levelling speed From a completely tightened position turn the screw three times to untighten it Speed of descent regulator screw nº 5 Check that the filter and the jet where pressure enters the equal...

Страница 33: ...tart up sequence block we must proceed to change the descent piston seal and to clean any possible impurity existing between the piston and the block s conical lock washer Clean any shaving or impurity Proceed to replace the seal Descent electrovalve YD The coil is continuously supplied The actuator ball does not tighten correctly Watch if there are oil drops escaping through the connection of the...

Страница 34: ...f the car in a comfortable and simple way Leave it to stand in the same position for at least 10 minutes Proceed to slowly untighten the bleeder screw until the air begins to come out This moment can be clearly detected by the noise it produces a quiet whistle and by the oil that comes out of the cylinder under pressure protect the outlet with a cloth to avoid any undesirable spattering Tighten th...

Страница 35: ...00_EN 4 5 6 7 1 2 3 1 Piston 2 Scraper 3 Locking flange 4 Bushing 5 Catch 6 O ring 7 Guide ring Bleeding NOTES It is necessary to bleed the installation after any change of fittings The usual amount of leakage through the cylinder joint is between 0 5 and 1 L per month ...

Страница 36: ...ic Power Unit 1 1 V700 11 2017 36 40 MTMECMPsava3_700_EN A6 Electric Motors Operating Instructions The Operating Instructions of electrical motor manufacturer are shown here below Importantes instrucciones de Seguridad ...

Страница 37: ...MP sava3 Hidraulic Power Unit 1 1 V700 11 2017 37 40 MTMECMPsava3_700_EN ...

Страница 38: ...MP sava3 Hidraulic Power Unit 1 1 V700 11 2017 38 40 MTMECMPsava3_700_EN ...

Страница 39: ...MP sava3 Hidraulic Power Unit 1 1 V700 11 2017 39 40 MTMECMPsava3_700_EN ...

Страница 40: ...sh available at MP website Products constantly developed the specifications can be modified without prior notice HEADQUARTERS Pabellón MP Leonardo Da Vinci 15 Isla de la Cartuja 41092 Seville SPAIN 34 902 197 277 elevacion mpascensores com www mplifts com ...

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