MP sava3 - Block of Valves Systems; MP sava3 Valve Block (2014;33;EU Standard); Valve Description and Unit Operation

MP sava3 Hidraulic Power Unit 1 ¼” 1 ½”
V700 - 11/2017
9/40
MTMECMPsava3_700_EN
A Point Upwards deceleration signal.
Place at an S distance from the floor level equal to
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
󰇜



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      
B Point Disconnected motor signal.
C Point Downwards deceleration signal.
Place at an S distance from the floor level equal to
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󰇛

󰇜




      
D Point YD Electrovalve disconnection signal
Connected
Adjustment
FLOOR
Adjustment
YR
FLOOR
MOTOR
YR
YS-A3
4
3
2
5
3
4
A
B
C
D
YD
Connected
Change to D
Connect in Y for 2 seconds approx.
Y- D
Starting
UPWARDS
DOWNWARDS
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
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 adjustment
6: Cylinder minimum pressure adjustment.
7: Relief valve adjustment into hand pump.
Names of adjusting screws
YD Electrovalve
(descent)
+ YE (emergency)
YR Electrovalve
(for speed
change)
Pressure switch
with adjustment
screw
Testing screw
of the rupture
valve
Manual lowering
pushbutton
Hand pump
bleeding
Manometer
protection key
1
6
TO CYLINDER
Starting
Electrovalve YS
(-A3 optional)
Hand
pump
lever
5
4
3
2
7
Magnetic Sensor
Descent Valve
SVD
Magnetic Sensor
Bypass Valve
SVC