Installation and startup guide

1 LRV-1 Lift Control Valve, Size 175 / 350 / 700 NTA-2 power supply unit and DELCONS oftware version + and startup guide1/86 Reference: 300-I-9010050-E-28 Issue: lift control valve2/86300-I-9010050-E-28 Hydraulics AGIndustriestrasse 15CH-6345 NeuheimPhone +41 41 757 03 33 Fax +41 41 757 05 2012 by Bucher Hydraulics AG, CH-6345 NeuheimAll rights reserved. This documentation, in whole and/or in part, is protected by copyright. It maynot be reproduced, nor may it be stored, processed, replicated or distributed by electronic means,without written permission from Bucher is provided for the purpose of product description only, and must not be construed as war ranted characteristics in the legal sense. No assertion regarding either a particular property or thefitness for a particular intended purpose can be derived or deduced from this information.

2 The in formation does not relieve users from the duty of conducting their own evaluations and the products are subject to continual improvement, we reserve the right to amend theproduct specifications contained in this catalogue. The original language and legal terminology ofall Bucher Hydraulics documentation is exclusively German. Bucher Hydraulics cannot be heldliable for any possible errors in lift control valve3/86300-I-9010050-E-28 , product 1 lift control hydraulic electrical connection of electronic of and switching diagram for normal travel and switching diagram for short travel 2 power supply feedback controls and valve (EN art. ) of the operating - PC and lift control valve4/86300-I-9010050-E-28 or supply the power supply emergency-lowering 2 x 24 emergency-lowering 1 x 12 or 1 x 24 VDC (option) the test the minimum static pressure of the max.

3 Operating pressure (EN 81-2, art. ) demand/feedback response difference, in the unlocking zone of the door inspection-travel speed the shaft switches for the deceleration the mechanical zero rupture valve with with travel curve control parameters (PID) of values point / Hall sensor menu menu the demand values for maximum / list for fault movement at low and approved hydraulic fluids with biodegradable service guide for DOWN pilot lift control valve1 General, product description5/86300-I-9010050-E-28 , product descriptionThis guide is an integral part of the product. It describes the product ssafe use in all phases of operation and is valid for all model series thatare referred groupSOperatorSInstallerSService engineerSRepair documentsDescriptionDocumentLift Control Valve, Quick-Start termsTermDefinitionDELCONE lectronic control card for LRV 1 valveLRV-1 lift control valve1 General, product description6/86300-I-9010050-E-28 guide differentiates between the following subassemblies:LRV 1 lift control valveDELCON electronic control cardon NTA-2 NTA-2 power supply useLift control valve for operating hydraulically-driven passenger and products must not be handled in any way by unauthorised lift control valve1 General, product description7/86300-I-9010050-E-28 product was designed and developed in conformity with thefollowing directives and standards.

4 EC-directive95/16/CEStandardsEN 81-2:1998 EMC standardsEN 12015:2004EN 12016:2004+A1:2008 LRV-1 lift control valve1 General, product description8/86300-I-9010050-E-28 R175/K251/VN120 / 150 l/min 21 / 45 barP min-max/adj 7-63 / 55 Valve type= LRV 1752 Flow ring= R 1753 Spool= K 2514 Manual emergency-lowering valve withpreload= VN5 Flow rate UP= 120 l/min6 Flow rate DOWN= 150 l/min7 Minimum static pressure (empty car)= 21 bar8 Maximum static pressure (full car)= 45 bar9 Setting range= 7 .. 63 bar10 Set for maximum working pressure= 55 bar11 Customer specific number21 Legend12 Test numberNameplateLRV-1 lift control valve1 General, product description9/86300-I-9010050-E-28 codeD0/MP/EN00/VNK 251/-LRV 175-1/Valve type/size= LRV 175-1= LRV 350-1= LRV 700-1 Flow range: flow rate/typeLRV 175-115.

5 45 l/min= R 4546 .. 90 l/min= R 9091 .. 175 l/min= R 175176 .. 250 l/min= R 250 LRV 350-1150 .. 250 l/min= R 250251 .. 350 l/min= R 350351 .. 500 l/min= R 500 LRV 700-1400 .. 700 l/min= R 700701 .. 1000 l/min = R 1000 Spool: flow rate/typeLRV 175-115 .. 90 l/min= K 9191 .. 250 l/min= K 251 LRV 350-1150 .. 500 l/min= K 501 LRV 700-1400 .. 1000 l/min = K 1001 Manual emergency-lowering valveEmergency-lowering valve with preload= VNEmergency-lowering valve without preload = SNElectrical emergency-lowering valvewithout electrical emergency-lowering valve= EN 00with DC solenoid 12 V= EN 12with DC solenoid 24 V= EN 24** further option: via NTA 2 with 2x24 V batteries, page 29, chapter and page 47, chapter portwithout test nipple (female thread G )= OPwith test nipple (DIN 16271)= MPDELCON typewithout DELCON= D0with DELCON= D1R 175 LRV-1 lift control valve1 General, product description10/86300-I-9010050-E-28 1 lift control valveLegend12345678 Maximum-pressure setscrewBypass-pressure setscrewLowering-speed limiter (valvesize 700 only)Pressure-relief valvePilot filterTest port, G Pressure gaugePressure gauge shut-off screw(valve sizes 175 and 350)/Pressure gauge shut-off valve(valve size 700)

6 91011121314151617182021 Air-bleed screwHall sensorMain filterFlow-rate measuring systemEmergency-lowering valveDOWN spoolCheck valveUP spoolUP damping jetDOWN damping jetPipe rupture valveBall valvePTZZ1Z2Z3 Pump portTank portCylinder portPressure switch portPressure switch portHand pump portABCDDELCONNTA 2 LRV 1 Control cabinet (customer's)LRV-1 lift control valve1 General, product description11/86300-I-9010050-E-28 hydraulic electrical diagramABCD4678101112131415162021222324 MPTZZ1Z2Z3K1K2K3K4K5K6K7K825R1R1 R2R2 M22aLegend467810111213 Pressure-relief valveTest point, G Pressure gaugePressure gauge shut-offscrew/ valveFeedback sensor(non-contacting)Main filterFlow-rate measuring systemEmergency-lowering valve14151620212222a232425 DOWN spoolCheck valveUP spoolPipe-rupture valveBall valveElec. emergency lowering (opt.)

7 Speed set. elec. emerg. switchHand pumpRelevelling (optional)PTZZ1Z2Z3 Pump portTank portCylinder portPressure switch portPressure switch portHand pump portR1R2 ABCDto EN 81-2, EN 81-2, 2 LRV 1 Control cabinet (customer's)LRV-1 lift control valve1 General, product description12/86300-I-9010050-E-28 connection diagramGNDYEWHGNBNABCD2226a26b4 x 12 V = 48 V2 x 24 V = 48 VL1, L2, L3, 2 LRV 1 Control cabinet (customer's)browngreenwhiteyellow2226a/b R1R2 Electrical emergency-lowering12 or 24 VDC (option) page 48, chapter emergency-lowering2 x 24 VDC page 47, chapter EN 81-2, EN 81-2, lift control valve1 General, product description13/86300-I-9010050-E-28 settingsAll valves are factory-set to the values for the particular Installation andthen valve set to the maximum working pressureSBypass pressure as per the calculated minimum static pressureSEmergency-lowering valve set to 5.

8 10 % of maximum DOWN speedSMechanical zero point of the feedback of functionThe lift control valve can be subdivided into 3 main UP section / pressure-relief valve4116 SInitial position:UP spool (16) is open in the 0 position; pump flow goes directly totankSUp travel / acceleration:UP spool (16) is progressively closed by the electro-proportionalvalve (UP solenoid); this results in smooth acceleration of the lift upto maximum speedSDeceleration:UP spool (16) is progressively opened by the electro-proportionalvalve (UP solenoid); this results in smooth deceleration of the lift tostandstillSOverload:pressure-relief valve (4) and UP spool (16) open when the maximumworking pressure set with screw (1) is reachedLRV-1 lift control valve1 General, product description14/86300-I-9010050-E-28 DOWN section / Emergency-lowering valve1314 The down section is constructed in a similar way to the up position:DOWN spool (14) is closed leak-free in the 0 positionSDown travel / acceleration:DOWN spool (14) is progressively opened by the electro-proportionalvalve (DOWN solenoid); this results in smooth accelerationSDeceleration:DOWN spool (14) is progressively closed by the electro-proportionalvalve (DOWN solenoid).

9 This results in smooth deceleration of the liftto standstillSPower failure/ evacuation:With the electrical emergency-lowering valve (optional), the car canbe lowered using DC voltage ( page 48, chapter )SThe car can be lowered slowly with the manual emergency-loweringvalve (13)LRV-1 lift control valve1 General, product description15/86300-I-9010050-E-28 Flow-rate measuring system1012 SThe oil flows through the flow meter (12) in both the up and downdirectionsSThe baffle-disc is displaced axially as a function of the flow rateSThis axial displacement is converted by a non-contacting feedbacktransducer (10) into an electrical DC signal (the feedback signal),which is then sent to the output signal (the feedback) is proportional to the flow rateSThe controller in the DELCON works to match the feedback value tothe demand signalLRV-1 lift control valve1 General, product description16/86300-I-9010050-E-28 data300-7-10015573H*R*L*aALegendView: valve sizes 175 and3501234 Flow-rate measuring systemPressure-relief valveDOWN solenoidUP solenoid567aOrientation of Z-portPressure gauge shut-off screw(valve sizes 175 and 350)/Pressure gauge shut-off valve(valve size 700)Test number (embossed)View from belowZ1Z2Z3 PTZP ressure switch portPressure switch portHand pump portPump portTank portCylinder portH*L*R*Orientation of Z-port(specify when ordering!)

10 Rear (standard)leftrightLRV-1 lift control valve1 General, product description17/86300-I-9010050-E-28 , T, PZ1, Z2, Z3[kg][bar]LRV 175-1G1G 880 LRV 350-1G1 G 1180 LRV 700-1G2, G2 , G2G , G , G3 [mm]bcdekLmnp1p2s1s2tv1v2 LRV 175-119932518220850475517521277515M8923 LRV 350-121935520520865486320035388525M10142 8 LRV 700-1297428255225808783265485612441M1030 30 SThe permissible temperature range is determined by the permissibleviscosity range of 20 .. 500 of the viscosity the temperature must not fall below 0 Cand must not exceed 70 detailed information, page 83, chapter lift control valve1 General, product description18/86300-I-9010050-E-28 dropR 90R 175R 250R K 91 Spool K 251 ABUP (P-Z)DOWN (Z-T)LRV 175-1 Flow ring (R)R 350R 500R ring (R)LRV 350-1 Spool K 501 ABDOWN (Z-T)UP (P-Z)LegendABPressure drop [bar] min.