Initial Operation - Netafim SANDSTORM Installation Manual

INITIAL OPERATION

1. Set the BackFlush controller
The controller is equipped with an LCD display and 4 keys, as displayed below. When the unit is left
untouched for a minute, the display switches off and a beep is heard every 20 seconds to indicate it is
working.
Holding down any of the keys for a few seconds will bring the screen back to life.
The actual DP value.
Available only when the built-in
electronic DP sensor is used.
The desired
flushing time
per station.
The screen consists of several fields. Some of them are editable and some of them are not.
To enter the EDIT MODE, press the
editable field.
Each time you press the
Use the and
Press the key again to set the selected value for the current field and move to the next editable field.
To return to a previous field during the process of passing through the editable fields, press the
repeatedly until you get back to the FLUSH TIME field, and there are blinking fields. You can then begin the
process again.
Configuration
Parameter
Main valve
(sustaining valve)
Dwell time
DP delay
Looping limit
Alarm
Delay valve
18 | SANDSTORM SINGLE/DOUBLE CHAMBER INSTALLATION MANUAL
™
FLUSH
TIME
Sec
ENTER
key. The EDIT MODE is indicated by blinking of the currently
key, the next editable field becomes active and starts blinking.
keys to change the value in the active field.
Definition
The pre-dwell delay between the main valve
opening and the opening of station 1
The backwashing delay between stations
The delay during which the DP sensor reading
is expected to remain stable before reaction
The number of consecutive flushing cycles
triggered by the DP sensor before deciding
that there is an endless looping problem
Allocates one output for alarm activation
Allocates one output for delay-valve activation
DP ACTUAL
DP SET
FLUSH
MODE
BAR Hours
Action
Select: YES if exists
Enter: 20 sec
Enter: 10 sec
Enter: 10 sec
Enter: 3
Select: YES
Select: YES if exists
(continued on the next page)
The DP set-point.
Available only when the built-in
electronic DP sensor is used.
MANUAL
The desired flushing mode.
Contains either the flushing
interval or, when the flushing
is triggered by DP only, the
letters "DP.
key