Netafim Fertikit 3G, Руководство по установке

Страница: 38 / 48

38 FERTIKIT 3G INSTALLATION MANUAL
SYSTEM OPERATION
• Make sure all the field valves are closed.
• Gradually open the isolation valves installed at the inlet and outlet of the system until the required main
line pressure is attained.
Keep the system under static pressure for 10 minutes and visually check for leaks.
• Perform a simulation test with a 10 liter (2 gallons) bucket of water. (see page 40 )
Check the dosing booster operation
CAUTION
If isolation valves are installed at the FertiKit™ inlet and outlet, ensure that they are open before
running the dosing booster.
• Switch the dosing booster ON.
• Check that the dosing booster is rotating in the correct direction (see the enclosed Dosing Booster Manual).
HIGH VOLTAGE ELECTRICAL HAZARD
Before unplugging the system from the main power source,
switch the unit and the main power source OFF!
Running the FertiKit
™
• Define a program in the controller for one valve or multiple valves (SHIFT) as defined by the irrigation
plan (see the enclosed Controller Manual).
• In the first stage it is recommended that you define a program with quantitative or proportional
fertilization only, without EC/pH control (see the enclosed Controller Manual).
• Temporarily deactivate all alarms in the system - EC/pH, flow control, etc. (see the enclosed controller manual).
• Start the program and wait for the lines to be filled
(this takes a few minutes, depending on the size of the installation).
• Check that the flow and the pressure on the main line are stabilized (see the enclosed Controller Manual).
• Activate the dosing booster and the dosing channels.
• See the main line flow meter and pressure gauge, the upper manifold and lower manifold pressure
gauges and make sure all the hydraulic conditions are in range according to the main line pressure
and flow conditions of the specific mode (see
pages 10-25 ).
• If the system cannot reach the hydraulic conditions, it is possible that there is an air pocket in the dosing
booster's impeller chamber (see the enclosed Dosing Booster Manual):
• Open the FertiKit™ sampling valve until a stable flow, free of air bubbles, is obtained.
• If the system still cannot reach the hydraulic conditions - loosen the dosing booster's bleeding screw
and wait until a stable flow, free of air bubbles, is obtained, then retighten the bleeding screw
(see the enclosed Dosing Booster Manual).
• Check the suction of the dosing channels from the stock tanks, and tune the desired flow rate for each
dosing channel by adjusting the needle valve (see Calibration of the FertiKit™ while irrigating , page 42).
• Let the system run for about ten minutes and see that it works properly.