Ottmr; Pneumatic Filter Cleaning Valve; Filter Cleaning Button; Filter Cleaning In Standby Mode - Nederman FlexPAK 800 Manual De Instrucciones

EN FlexPAK 800/1000
7.2.4

OTTmr

Menu for setting the overtime timer. If the unit needs to be used after the weekly timer
has expired, the unit can be turned on for a set number of hours by pressing the external
standby button. When the OTTmr expires, the machine goes back into Off mode.
If the unit is in Off mode and the weekly timer is not used, quickly pressing the external
standby button (less than 2 seconds) puts the unit into Standby mode for the time set in 'T',
for example two hours. See the figure below.
If the unit is in Standby mode and the weekly timer is not used, quickly pressing the
external standby button (less than 2 seconds) puts the unit into Off mode after the time set
in 'T',for example two hours. See the figure below.
If the weekly timer is being used, quickly pressing the external standby button (less than
2 seconds) keeps the unit into Standby mode for an additional two hours after the closing
time set in the weekly timer, see Section '7.2.3 Weekly timer'.
To reset OTTmr so that the time is not extended, press the external standby button longer
than 2 seconds and then release.
8

Pneumatic filter cleaning valve

8.1

Filter cleaning button

The filter cleaning button will only work when the system is in Standby mode or Running
mode.
8.2

Filter cleaning in Standby mode

Perform a filter cleaning in Standby mode as follows:
1. From Off mode, put the unit into Standby mode by pressing the Standby/Running
button.
2. Start filter cleaning by pressing the filter cleaning button.
The unit goes into Running mode, the motor starts and the FCV closes and vacuum is
established in the system. The unit will now open and close the FCV once and then leave
the FCV in its open position. After the cleaning cycle, the unit goes into Idling mode. The
unit waits for a pilot signal for 10 minutes. If the pilot signal is not received during this time,
the unit will stop its motor and go into Standby mode.
To perform a new filter cleaning in Idling mode, activate the pilot signal and enter Running
mode, or toggle the Standby/Running button to go to Standby mode and press the filter
cleaning button again.
8.3

Filter cleaning in Running mode

Perform filter cleaning in Running mode as follows:
1. Put the system into Standby mode by pressing the Standby/Running button.
2. Activate the pilot signal by connecting terminals X1:13 and X1:14 with a jumper.
The unit goes into Running mode. The motor starts, the FCV closes and pressure is
established in the system.
3. Start the filter cleaning by pressing the filter cleaning button.
30
T=02:00h: Extra time before the unit goes into Off mode. The default
setting is 2 hours.
Ta=00:00: The elapsed time since the overtime timer started.