Avidity Science, LLC
Puro Range Water Purification System Operation Manual
Routine Maintenance
11
Change the RO Membranes
Follow this procedure to change RO membranes.
IMPORTANT:
To change the membranes the RO machine must first be removed from the system water flow.
1.
Disconnect power to the Puro unit.
2.
If the Puro is mounted to the wall,
with the assistance of another person, remove the RO machine from
it’s mounting bracket and place the unit on a table.
3.
Remove the screws that secure the rear panel and remove the panel.
4.
Disconnect the tube fitting from the screw cap at the top of each membrane housing by depressing
the push fitting collars.
5.
Remove the threaded screw caps from the RO membrane housing.
6.
Remove the RO membrane module from the housing.
7.
Insert a new membrane module into the RO membrane housing.
8.
Secure the threaded screw caps to the RO membrane housing.
9.
Reconnect the tube fitting to the applicable membrane housing.
10.
Replace the rear panel and secure the previously removed fittings.
11.
If applicable, mount the RO machine to it’s mounting bracket.
12.
Reconnect power to the Puro unit and rinse permeate water to drain 2 hours before use.
13.
Dispose of the used membranes following your site requirements for disposal.
CAUTION!
Personal injury. Use two people to mount the RO machine to the
bracket on the frame. The RO machine weighs approximately 55 lbs [25 kg].
One person is not enough to stabilize and mount the unit. Failure to do so can
result in personal injury and equipment damage.
