1 0991 486
EN
-
29.09.2016
ENG
DLV
VALVE MANUAL
I
NSTALLATION
,
U
SE AND
M
AINTENANCE
3 / 11
0 GENERAL SECTION
0.1 INTRODUCTION
Assembling,installation,start-up and hydraulic lift maintenance should be performed by experienced
personnel.Before starting any work on the hydraulic components,personnel showld carefully read these
instructions,particularly referring to 0.3 chap. “Safety precautions”.
This “Instruction Manual” in an integral part of the lift and should be protected and accessible.
DLV is a non return electrically-controlled valve,working in series with the main valve to stop the lift during an
unintended car movement from the floor.
DLV valve prevent only the downward unintended car movement.
The purpose of the valve is to work together with the main valve according to the Lift European Standards EN
81.2:1998 + A3:2009 which states that “in case of use of two electro-valves working in series, the self control
implies the separate verification of the opening and closing of each single valve when the car is empty. If a
fault is detected, the subsequent movement of the lift must be avoided”
0.2 INSTALLATION RELATED DOCUMENTS
The documents to use for the installation are those required by the EN81-2:1998 and by the rules in force,
particularly the following:
T
HIS INSTALLATION MANUAL
W
IRING AND HYDRAULIC DIAGRAMS
(EN81-2:1998
16.2
A
)
6
AND
7).
All the documentation for a correct and safe installation, must be stored by the installation responsible.
Please remember that this documentation is considered part of the plant and must be complete, well stored
and unabridged in every part.
In order to maintain the readability, the documentation shouldn’t be damaged and shouldn’t have missing
parts. Moreover, do not tear or deteriorate sheets during consulting.
0.3 SAFETY PRECAUTION DURING INSTALLATION
Installers and maintenance staff are completely responsible for their own safety during their activities.They
should follow all the safety official rules to prevent accidents to the working staff.
In these instructions,the major points concerning the working safety and prevention,will be marked by the
following symbols:
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