Block Of Valves; Mp Sava3 Valve Block According To 2014/33/Eu European Standard; Description Of Valves; Unit Operation - MP sava3 Technical Manual

2 • BLOCK OF VALVES

2.1. MP sava3 Valve Block according to 2014/33/EU European Standard

2.1.1. Description of valves

YD Electrovalve Pressure switch
with adjustment
(descent)
+ YE (emergency) screw
7
Testing screw
of the rupture
valve
Names of adjusting screws

2.1.2. Unit operation

Connected Adjustment
5
C
3
4
YS-A3
YD YR
V700 - 11/2017
YR Electrovalve
Starting
(for speed
Electrovalve YS
change)
(-A3 optional)
2
1
3
4
5
6
Manual lowering
pushbutton
TO CYLINDER
FLOOR Adjustment
B
4
3
A
2
D
FLOOR YR
Manometer
protection key
Magnetic Sensor
Bypass Valve
SVC
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 pressure adjustment.
7: Relief valve adjustment into hand pump.
A Point Upwards deceleration signal.
Connected
Place at an S distance from the floor level equal to
�� ( �� ) =
B Point Disconnected motor signal.
C Point Downwards deceleration signal.
Place at an S distance from the floor level equal to
�� ( �� ) =
D Point YD Electrovalve disconnection signal
YS Electrovalve will be connected just before getting to the floor
Motor will remain connected for 2 seconds after the lift stops
For direct starting, motor idle time approx. 0,5 seconds
YS-A3
MOTOR
Change to D
Connect in Y for 2 seconds approx.
9/40
MP sava3 Hidraulic Power Unit 1 ¼" 1 ½"
Hand
pump
lever
2
��
+ 0.2 = 0.77 �� ; ������ �� = 0.63 ��/��
0.7
2
��
+ 0.2 = 0.77 �� ; ������ �� = 0.63 ��/��
0.7
Y- D
Starting
MTMECMPsava3_700_EN
Magnetic Sensor
Descent Valve
SVD
Hand pump
bleeding