First Commissioning And Routine Start-Up; Filter Initial Pre-Sets; First Commissioning; Start-Up - Uvar UDI 6Matic 706M002 Maintenance Manual

6 - FIRST COMMISSIONING AND ROUTINE START-UP

NOTE: The manual below is based on the optional PLC controller.
NOTE: The differential pressure switch and timers have been preset to the proper settings. Do not
adjust prior to start-up.

6.1 - Filter initial pre-sets

1. The differential pressure switch is set to 0.5 bar (7 psi) maximum, do not adjust.
2. It is recommended to set the flushing duration to 30 seconds.
3. Flushing interval (time between one flush to the next one) should be set according to water
conditions

6.2 - First commissioning

Check prior to to start-up the following and adjust when required.
1. Check that the line pressure will always be at least 2 bar (29 psi) at the filter inlet during the
flushing cycle.
2. Check that there are no restrictions upstream in the pipeline .
3. Check that the filter is mounted in the correct flow orientation, as indicated by the arrows on
the body.
4. Check that the flushing valve is mounted properly.
5. Check that the tubing connections are installed correctly.
6. Check that power is available to the electrical board and that the main switch on the electrical board
is in the "OFF" position.
7. Check that the flushing valve drain lines are installed.
8. Check that the upstream and downstream isolation valves are closed.
9. Check that adequate space is available around the filter for maintenance.

6.3 - Start-up

1. Slowly open the inlet valve to the filter allowing the filter to pressurize.
2. Check for any external leakage and eliminate if needed .
3. Slowly open the outlet valve of the filter (if installed).
4. Turn the main switch ON.
5. Verify that all power supply and all machine elements are connected.
6. Turn the operation mode switch to "AUTO" position.
7. Initiate a manual flushing cycle, the filter will perform its first flush and stops.
8. During filter flushing:
1. Observe the movement of the screw through the indicating sight on the gear motor
protection cover.
2. Ensure that the filter inlet pressure is higher than 2 bar (29 psi).
3. The flushing chamber pressure should be 1.8 - 2.5 bar (26 - 36 psi) below inlet pressure.
NOTE: At any given time pressing the manual flushing push button will cause one flushing cycle. The
duration of the flushing cycle can be adjusted via the controller, it is recommended not to shorten the
flushing time below 30 seconds, for it then will not clean the whole screen area.
UDI 5-3-2020
Maintenance Manual -
13
6Matic.