NGV A3 VALVE
INSTALLATION, USE AND MAINTENANCE
10991483 EN - 1.10 26.05.2023
4.2.4.3 TEST IN UP DIRECTION
For safety it’s required that the test take place behind closed doors. Then proceed as follows:
1. Put at all landings the sign “Out of service”
2. Move the empty car to the floor below the top floor
3. Wait for the closing of the door
4. Start on the valve card NGVA3 the procedure 9.3 UCM UP TEST using the programmer PT01.
5. Start on the control panel the UP direction test procedure. This procedure must :
- To exclude the possibility to call the car form outside
- Open the electrical safety chain at the landing doors level (for the system the doors must be open even
if physically closed)
6. Open, manually or electrically, the emergency lowering valve , moving in down direction the car until the
intervention of the re-levelling.
When the re-levelling occurs, the system start to move in up direction at rated speed and the switch intended
to detect unintended car movement must be activated and the car must stopped.
7. Verify that the car stops according to the rule EN 81-20.
8. Exit from the procedure 9.3 UCM UP TEST pushing the ESC key
9. Close the landing doors level of the electrical safety chain
10. Remove the signs “Out of service”
11. Restore the normal working status of the system.
NOTE
The switch to detect unintended car movement can be the same used to detect the movement of the
car, away from the landing unlocking zone with doors not in the locked and closed position,
4.2.4.4 TEST IN DOWN DIRECTION
For safety it’s required that the test take place behind closed doors. Then proceed as follows:
14. Put at all landings the sign “Out of service”
15. Move the fully loaded car to the floor below the top floor
16. Wait for the closing of the door
17. Start on the valve card NGVA3 the procedure 9.4 UCM DN TEST using the programmer PT01.
18. Start on the control panel the DOWN direction test procedure. This procedure must :
- To exclude the possibility to call the car form the landings
- Open the electrical safety chain at the landing doors level (for the system the doors must be open even
if physically closed)
19. Using the hand pump, moving in up direction the car until the intervention of the re-levelling. When the
re-levelling occurs, the system start to move in down direction at rated speed and the switch intended to
detect unintended car movement must be activated and the car must stopped.
20. Verify that the car stops according to the rule EN 81-20.
21. Exit from the procedure 9.4 UCM DN TEST pushing the ESC key
22. Close the landing doors level of the electrical safety chain
23. Remove the signs “Out of service”
24. Restore the normal working status of the system.
NOTE
The switch to detect unintended car movement can be the same used to detect the movement of the
car, away from the landing unlocking zone with doors not in the locked and closed position.
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