In Case Of Manual Pressure Regulator Device - TECNICOMAR MINIMAR PLUS Instructions For The Installation, Use And Maintenance


Start up the low pressure pump by pressing F1 key for 4 seconds.

Circulate the solution inside the closed loop for 5 to 10 minutes and then leave the solution in the watermaker.

Empty the prefilters and replace the cartridges.

Turn the manual three-way valve (T) into the SEA WATER INLET position.

Connect the BRINE (R) and the UNSAFE WATER (S) lines to the discharge fitting (Y).
Due to the high sensibility of membrane modules, we advise the exclusive use of flushing
chemicals and filter cartridges supplied by Tecnicomar.
To resume operation after prolonged shutdown, fill the prefilters with clean, nonchlorinated water. Open the sea water
intake valve (A2). Move back the selector automatic/manual in "automatic" position. Operate the system for 5 minutes
without pressure. After that, apply the right pressure as described in section 5.
The LONG-TERM SHUT DOWN may be avoided by operating the system for 10 minutes at least
once every two days. Membranes will be flushed and bacteria will not grow inside.
However, in all cases the membranes must be kept from freezing.

7.3.2 In case of manual pressure regulator device

If the system is not used for a long period of time, membranes may get seriously damaged by a bacteriological attack. If
the system must be out of operation for more than a week, the LONG-PERIOD SHUT DOWN procedure should be
performed. If the environment is very hot or humid, this procedure must be carried out when the watermaker is not used
for more than three days.
Referring to drawing 2 (washing/storage) follow the steps below:

With the system shut down, fully open the pressure control valve (I) by turning it counterclockwise (ignore this
point if the unit is equipped with the automatic pressure regulator device).

Close the sea water inlet valve (A2).

Empty the prefilters (B and C) and wash them using a normal dish-washing detergent.

Reinstall the filter cartridges (Fig. 8).

Prepare a container (X) with 20 liters of fresh, non-chlorinated water or water produced by the watermaker.

Turn the manual three-way valve (T) in the FLUSHING position (T2) (drawing 3) and connect to the container (X)
with a piece of hose.

Start up only the low pressure pump by pressing F1 key for 4 seconds.

Feed the system with all the 20 liters of water, then stop it (do not let the system dry out).

Prepare the biocide solution (0.2%) by dissolving 40 grams of the "FL403 Tecnicomar Membrane Preservative" in
20 liters of fresh water produced by the watermaker.
Do not use chlorinated water.

Disconnect the BRINE (R) and the UNSAFE WATER lines from the sea discharge fitting (Y) and connect with the
container (X) in which the solution has been prepared.

Check that the pressure control valve (I) is fully opened (ignore this point if the unit is equipped with the automatic
pressure regulator device).

Start up the low pressure pump by pressing F1 key for 4 seconds.

Circulate the solution inside the closed loop for 5 to 10 minutes and then leave the solution in the watermaker.

Empty the prefilters and reinstall the cartridges.

Turn the manual three-way valve (T) into the SEA WATER INLET position.

Connect the BRINE (R) and the UNSAFE WATER (S) lines to the discharge fitting (Y).
Instructions for the installation, use and maintenance of Tecnicomar watermaker
7-27