NGV A3 VALVE
INSTALLATION, USE AND MAINTENANCE
10991483 EN -1.10 - 26.05.2023
GMV Spa will not assume any responsibility if the instructions included in this manual are not observed.
Particularly, may cause safety problems to the system and to the passengers, if you do not respect the
instructions of this manual, about:
- signals RUN, RDY ed UP
- motor/pump power on and power off
- soft stop sequence
- sensors S1, S2 ed S3
WARNING
The automatic return to the landing in event of lack of voltage should be made moving the car to the
lowest floor. To return to a landing floor that is not the lowest floor, may cause safety problems to the
system and to the passengers
Never move the sensors S1 S2 S3 !
The sensors are installed, adjusted and tested at the factory.
The change of their position should be performed only by authorized and properly trained
people.
The movement of these sensors may cause safety problems, to the system and to the
passengers.
The displacement sensors voids the warranty.
The factory setting is: INSTALLATION
It's possible to change the parameter to NORMAL only after you have completed:
• The installation of the main parties (car)
• The connection of all the signals of the shaft
5.5 p_stat min
5.6 p_stat max
The parameters are adjusted at the factory on the following pressures:
Pmin (P min> = 12) = pressure calculated with empty car
(or Pmin of the motor / pump - 20)
Pmax = pressure with car fully loaded.
After the installation, check the parameters (Menu 1.1), reading if the values match those
entered and in case they are different, correct them with the ones detected.
These values refer to the run graph in NORMAL mode, and they are ignored in
INSTALLATION mode
All other parameters did not affect the installation, but are used to regulate in detail the system working in
normal mode
To prevent the appearance of some alarms is sufficient that:
• The pressure is at least 7-8 bar (Menu 1.1)
• The oil temperature is at least 5-8 ° C (Menu 1.2)
• he motor / pump will start only after the RUN signal, sent from the card (Menu
1.5 output parameter N)
In case of alarms consult the troubleshooting section of this manual and follow the
directions.
If you do not find a solution to the problem call for service.
SWITCH TO NORMAL MODE AT THE END OF THE INSTALLATION
1. Use the PT01 programmer to modify the parameter value 5.12 Mode = Normal
2. Verify that the following parameters (menu 5 Setting) are correct:
- 5.1 Lift Ratio: must match the value shown on the project layout
- 5.2 Jack Diam: must match the value shown on the project layout
- 5.5 Pstat min: with empty car must be equal to the value of the menu 1.1 Pressure
- 5.6 Pstat max: with car fully loaded must be equal to the value of the menu 1.1 Pressure
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