Better Water LLC; rev. Jun 2016
Page 38 of 72
MediPac, Tank-Feed Operator Manual
9.
During the 30 minute to 2 hour dwell
(circulate)
time, open each of the
Sample and Drain
Ports
, and all
Points-of-Use in the Loop
, in the Post-Treatment to allow disinfectant to flow
through them for at least 30 seconds, closing when finished.
10.
OPEN
the
Loop Return to Drain Valve
and
CLOSE
Loop Return to Storage Tank
Valve
, and let the Repressurization Pump empty the storage tank and loop.
- The pump will automatically turn off when there is no more water/disinfectant in the storage
tank.
11.
Remove the 3/4" Product Disinfect Hose from the Drain and connect to Loop Return Header.
-
OPEN
Loop Return Clear-Out Valve
.
-
OPEN
Storage Tank Drain Valve
.
12.
Place the RO
in “Direct-Feed” mode, by opening the RO Control Box and turning the
Tank/Direct Switch
to
DIRECT
.
13.
Start the RO in normal Operate mode.
- Set the
OPERATE-DISINFECT-OFF Switch
to
OPERATE
- Set
OPERATE-DISINFECT Key Switch
to
OPERATE
- Set
OPERATE-FLUSH
Switch
to
OPERATE
- This will start the RO and produce water to rinse out the
loop and storage tank.
- Continue rinse until there is no residual sampling reveals no disinfectant residual at the
Storage
Tank Drain
.
14.
Turn
the RO OFF…
- Set the
RO’s
OPERATE-DISINFECT-OFF Switch
to
OFF
15.
Remove hose from between
Storage Tank
and
Loop Return Clear-Out Valve
.
16.
CLOSE
the
Storage Tank Drain Valve
, and turn the
Storage Tank’s 3-Way Valve
back to
Storage Tank.
17.
Turn the RO
ON…
- Set the
RO’s
OPERATE-DISINFECT-OFF Switch
to
OPERATE
- Fill the storage tank until water is flushed out of the trapped overflow.
18.
OPEN
the
Loop Return to Drain Valve.
19.
Start the Repressurization Pump
by…
-
Set the Medipac’s
REPRESSURIZATION PUMP Switch
to
ON
- Press and hold the
PUMP START Button
until the repress pump starts
20.
Run in this mode until the Loop Return Sample Port is clear of residual disinfectant.
21.
After all residual has been rinsed out of the system, and verified at each point of use
station and all Post Treatment Sample Ports, put the system back into
normal operation…
-
CLOSE
the
Loop Return to Drain Valve
-
OPEN
the
Loop Return to Storage Tank Valve
-
Set RO’s
DIRECT/TANK Switch
back to
TANK.
- Verify that the Storage Tank is full
-
Verify the MediPac’s Repressurization Pump is operating