8.913-970.0 - L • WATERMAZE CLP 5024/7034
17
W
A
TER
TREA
TMENT
SYSTEM
OPERA
T
OR’S MANU
AL
This valve should be open at all times to allow
pressurized water to fl ush out the sludge hose
(See pages 14, 38, 66).
Valve 16
Should be open at all times. Allows fresh water
into tank 2 when SV#2 opens. Valve should be
fully open (See page 44).
Valve 17
In the recirculation mode, this valve is used to
control the volume of water going to tank #1 when
the PLC or AMC opens SV#4. Open partially to
match fi lter fl ow meter allowing a smooth fl ow
without cycling transfer pump as much as possible
(See pages 38, 66).
Valve 20
Should be open partially to control the amount
of water fl ow to backwash the multi-media fi lter
when the PLC or AMC opens SV#7. Set for 30
gpm (See pages 36, 62).
Valve 21
Should be open partially to control the amount of
water fl ow to the backwash carbon fi lter when the
PLC or AMC opens air solenoid valves. Set for
15 gpm (See pages 40, 56).
