TABLE OF CONTENTS
0 •INDIVIDUAL PROTECTION EQUIPMENT ....................................................................................................................................................................................4
1 •HYDRAULIC POWER UNIT...........................................................................................................................................................................................................4
1.1. Mechanical assembly..................................................................................................................................................................................................................4
1.2. Types of pipe couplings...............................................................................................................................................................................................................5
1.3. Process for joining steel pipes ....................................................................................................................................................................................................5
1.4. Steel pipes and flexible hoses.....................................................................................................................................................................................................6
1.5. Rupture valve ..............................................................................................................................................................................................................................6
1.6. Electrical connections for 3-phase motors ¡Error! Marcador no definido. ..................................................................................................................................7
1.7. Sart-up.........................................................................................................................................................................................................................................8
2 •BLOCK OF VALVES .....................................................................................................................................................................................................................8
2.1. MP sava3 Valve Block according to 2014/33/EU European Standard.......................................................................................................................................9
2.1.1. Description of valves.............................................................................................................................................................................................................9
2.1.2. Unit operation .......................................................................................................................................................................................................................9
2.1.3. Hydraulic circuit MP sava3 Valve Block with Soft-Stop according to European Directive 2014/33/EU ............................................................................10
2.1.4. Adjustment of Valves..........................................................................................................................................................................................................11
2.1.5. Testings ..............................................................................................................................................................................................................................12
2.2. MP sava3 Valve Block...............................................................................................................................................................................................................14
2.2.1. Description of Valves..........................................................................................................................................................................................................14
2.2.2. Unit operation .....................................................................................................................................................................................................................14
2.2.3. Hydraulic circuit (Valid for Standard and Y- D configurations).........................................................................................................................................15
2.2.4. Valve adjustment................................................................................................................................................................................................................15
2.3. MP sava3 Valve Block SOFT-STOP.........................................................................................................................................................................................16
2.3.1. Description of Valves..........................................................................................................................................................................................................16
2.3.2. Unit operation .....................................................................................................................................................................................................................16
2.3.3. Hydraulic circuit MP sava3 + Soft-Stop..............................................................................................................................................................................17
2.3.4. Valve adjustment................................................................................................................................................................................................................17
3 •OIL COOLING DEVICE ...............................................................................................................................................................................................................18
3.1 Oil cooling device connections - 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. Failure simulation of the VB valve in ascent ......................................................................................................................................................................22
7.2.2. Failure simulation of the VB valve in descent ....................................................................................................................................................................22
7.3. Failure simulation of the VD valve (Bypass valve operated by the YS Electrovalve)...............................................................................................................23
7.4. Test of the monitoring system...................................................................................................................................................................................................23
8 •COMMISSIONING WITH A PRESSURE OF 200% FULL LOAD, AS PER EN 81-2 AND EN 81-20.......................................................................................24
A. APPENDIX •ACTIONS TO FACE MALFUNCTIONS................................................................................................................................................................25
A1. Introduction ................................................................................................................................................................................................................................25
A2. Ascent ........................................................................................................................................................................................................................................27
A2.1. Start-up (the lift does not start)............................................................................................................................................................................................27
A2.2. Nominal speed (a slower speed than usual).......................................................................................................................................................................29
A2.3. Levelling speed (does not function correctly) .....................................................................................................................................................................30
A3. Descent......................................................................................................................................................................................................................................31
A3.1. Start-up (the lift does not start) .....................................................................................................................................................................................31
A3.2. Nominal speed ....................................................................................................................................................................................................................31
A3.2.1. Speed slower than usual..............................................................................................................................................................................................31
A3.2.2. Speed higher than usual...............................................................................................................................................................................................32
A3.3. Levelling speed (does not work or does not reach the correct speed)...............................................................................................................................32
4. At floor ..........................................................................................................................................................................................................................................33
A4.1.The lift descends continuously.............................................................................................................................................................................................33
A4.2.The lift descends when loaded.............................................................................................................................................................................................34
A5. Miscellany ..................................................................................................................................................................................................................................34
A6. Electric Motors, Operating Instructions......................................................................................................................................................................................36
