8
Red Sea REEFER
™™
G2+ Series
4 Overview of the REEFER
™
water management system
Surface Skimmer / Overflow Box
Surface water from the aquarium flows via the removable comb sections
of the surface skimmer into the overflow box that houses the dual
intakes of the silent-flow downpipe system and the outlet nozzle of the
sump return pump. The silent-flow downpipe system includes a flow-
regulated main downpipe and a secondary overflow bypass pipe. An
external pipe is placed over the main downpipe to ensure positive water
motion throughout the entire height of the overflow box.
The fine adjustment flow valve on the main downpipe enables the water
level in the overflow box to be maintained at a constant height between
the intakes of the main and bypass pipes, which ensures positive surface
skimming while eliminating all noise from the water flow to the sump.
An incorrect setting of the flow valve will be accompanied by the sound
of the water returning to the sump and is an indication that the flow
valve needs adjusting.
Sump
Water from the flow-regulated main downpipe and the secondary
overflow bypass pipe enter a compact reception chamber in the sump.
Care should be taken in the choice of any filter media placed in the
reception chamber as the turbulent flow conditions from the downpipe
could cause a constant discharge of fine media particles.
The water then flows through the 225 micron filter bags or cups before
entering the constant-height main reactor or skimmer chamber. If the
filter bags are not cleaned frequently enough and become blocked, the
water will bypass the filter bags without affecting the overall operation
of the sump.
To install a ReefMat or other roller filter, remove the filter-bag tray and
slide out the removable divider wall.
The optional refugium wall divides the sump chamber into 2 sections. The
water level in the front (refugium) section is set by the combs at the top
of the wall. The water level in the rear (skimmer) section is set by the
height of the pump chamber inlet gate that should be set according to
the requirements of your skimmer.
A bubble trap labyrinth with coarse sponge, at the inlet of the pump
compartment, will prevent bubbles from the skimmer being returned to
the aquarium.
Any loss of water due to evaporation will cause a drop in the water level
in the pump compartment of the sump. Maintaining a constant water
height in the pump compartment is essential for the stability of the entire
water management system by ensuring a constant head pressure on the
intake of the main pump.
The ReefATO+ supplied with the system will automatically replace the
water lost to evaporation and will maintain the water level in the pump
compartment at a stable constant level.
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