Jandy DEL Series Installation And Operation Manual page 7

Diatomaceous Earth Pool Filters - DEL Series Filter
Laars Heater
Waterfall
Pool Return
Figure 3. Basic Pool/Spa Combination Plumbing
c. Orient the gauge/air release assembly in the
desired position. Raise and thread the locknut
onto the bottom of the gauge/air release
assembly. Hand tighten the nut only. Using
a wrench to tighten the nut may damage the
nut, gauge or air release assembly.
5. To reduce pressure losses, 2" (minimum) piping is
recommended for plumbing the system.
Figure 4. Pressure Gauge/Air Release Assembly
Spa Make Up
Jandy
Check
Valve
6.
7.
Housing
8.
O-Ring
Tank Adapter
Tank Adapter
to Housing
Coupler
O-Ring 9.
10. Connect the pipes using the unions supplied with
Be sure that all provisions for wastewater disposal
meet local, state or national codes. One hundred
gallons (100 gals.) or more of pool water will be
discharged during fi lter backwashing. Do not
discharge water where it will cause fl ooding or
damage.
Outlet Port
Jandy Filter
From Pool
Drain
Spa Return
From Pool Skimmer
For best effi ciency use the fewest possible number
of fi ttings. This will prevent a restriction in the
water fl ow.
Make all plumbing connections in accordance
with local plumbing and building codes. Filter
connections are provided with an o-ring seal. To
avoid damage to the o-rings, use only a silicone
base lubricant on the o-rings. Do not use pipe joint
compound, glue or solvent on inlet/outlet union
coupling nuts.
Keep piping tight and free of leaks. Pump suction
line leaks may cause air to be entrapped in fi lter
tank or loss of prime at the pump. Pump discharge
line leaks may show up as dampness or jets of
water.
Support the inlet/outlet pipes independently to
prevent any undue strains on the fi lter MPV.
the fi lter. Do not use tefl on tape or pipe dope on
any unions. Assemble the unions dry and hand
tighten.
Caution
Page 7
Inlet Port
Jandy Pump
Spa Suction