Hayward TRX-20 Guide D'utilisation page 30

STEP 6
CONT'D. . .
1. The First Plumbing System: Single Line Suction.
This is when you have only one pipe
coming from your pool to your pump. If
this is the case there are no added
adjustments necessary, as the Automatic
Bypass Valve will regulate your
TRX-20. You are done with step 6!
2
3. ADJUSTING WHEEL RPM (Optimal setting 11-14 RPM)
For the TRX-20 to run optimally the revolutions per minute should be between 11
and 13 (Note it will still clean as low as 8 RPM but will NOT climb walls).
While the TRX-20 is running take it by the leader hose so that the TRX-20
is just below the water. (KEEP THE CLEANER BELOW THE WATER LEVEL or else it will suck air).
Now count the number of revolutions made per minute by the RIGHT FRONT WHEEL by using
the hump (raised treads) as your marker. If it is between 11 and 13 RPM you are done.
If it is above 14 RPM adjust your three-way valve toward the main drain until the RPM drops
below 13. Once it has dropped below 14 RPM, you are done with Step 6.
If it is below 11 RPM adjust your three-way valve so that more water flows through the
TRX-20 and skimmer until it is above 11 RPM. Once it is above 11 RPM, you are
done with Step 6.
NOTE: This is equivalent to 7 to 10 inches of mercury on a vacuum gauge. A vacuum gauge
is NOT included with the TRX-20
but is available at your local pool store.
RPM=revolutions per minute
KEEP THE TRX-20 BELOW THE WATER LEVEL ! ! !
In general there are 2 plumbing styles that will determine
whether or not you need to make any adjustments.
2. The Second Plumbing System:
Adjustable three-way valve.
3 WAY
This is when you have a three-way valve
VALVE
regulating flow between the pump and the
main drain and the skimmer(s). This allows
you to adjust your system while ensuring
the best possible performance from your
TRX-20. (See next step).
Count RPM here
at the hump on the
RIGHT FRONT WHEEL
1
R
3
L
7