Koolance RP-402X2 User Manual
1
RP-402X2 Installation Guide v 1.0
The Koolance RP-402X2 is designed for one or two PMP-400 pumps (not
included). It mounts into two consecutive 5.25” computer drive bays using the
included screws.
Pump Disassembly
The pumps must be disassembled for installation.
Remove the four screws on the bottom.
O-ring
2
O-ring
The pump blocker includes its own
o-ring. DO NOT USE this if a pump
will be installed here. Instead, use the
original pump’s o-ring.
Remove the original pump cover. Make sure the
original o-ring stays seated on the pump. This o-ring
is required for the RP-402X2.
Original pump o-ring (required)
Pump Installation
If you need to remove the pump blocker,
unscrew its four short screws. This is only
necessary when installing two pumps.
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Pump #2 (“P2”)
To mount the second pump, repeat the
previous process for the opposite side of
the RP-402X2.
Place the pump in the desired location and
attach with the longer screws included with
the RP-402X2. The pump wire must exit the
back end of the reservoir.
NOTE: If your pump version has
feet on the plastic base, these
must be removed in order to fit
the RP-402X2.
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Using Serial or Parallel Loops
The dual front reservoirs can be left
separate (parallel) or combined to form
one reservoir. This is done by replacing
the large side plug. Use the long version
for separate tanks, and the short version
to combine them.
Long Side Plug
(Separate Tanks)
Pump #1 (“P1”)
Operation with One Pump
The RP-402X2 is shipped with one pump
side “blocked”. Leave this in place with its
screws and o-ring if you are only installing
one pump.
In addition, the inlet and outlet of this pump
must stay plugged on the rear nozzle ports
to prevent leaking.
CAUTION: To prevent leaking while using one pump, make sure the
pump blocker remains installed with its screws and o-ring. The rear inlet
!
and outlet ports for this absent pump must also remain plugged.
Pump blocker
NOTE: For serial pump operation, the
rear outlet from one pump should be
directly connected to the inlet of the other
using hose or available fittings.
LED Lighting (Optional)
There are four locations behind the acrylic
for 3mm wide LED lights (sold separately):
2 on the bottom and 1 on either side.
Slide each LED into the small receptacles in
the edge of the acrylic. A small drop of hot
glue can help hold each LED in place.
Short Side Plug
(Combined Tanks)
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