Ultra Reef UCS-140 Instruction Manual page 17

START
When connecting hose insert the hose into the fitting
and push it to the end. To remove it, push down the
security ring and at same time pull the hose. Connect
the pipes as shown:
1. Water load hose H2O IN
2. CO2 IN load hose
3. Water drain hose H2O OUT
4. Air vent hose O2 OUT
Water load H2O IN: Use the supplied fittings to connect
the water load hose to an existing pipeline or by
installing a dedicated pump (suggested around 1500
lit/h).
Warning: Install a non-return valve (not supplied) on
the CO2 load hose to prevent backflow of water into
the cylinder or its valve.
Warning: NEVER operate the reactor with fully closed
drain valve.
PH Probe: The use of a PH probe, relative controller and
solenoid valve is optional. For the use of a PH probe,
refer to the probe and solenoid valve controller
manual. For more information, ask to your trusted
retailer.
To start the reactor:
1. Remove the plug on the air vent hose.
2. Connect the water inlet (or start the pump load) of
the reactor. Once the chamber is filled, the water
will begin to overflow from the air vent hose and
drain hose.
3. Loosen the upper connector on the bubble counter
and fill it with water.
4. Shake gently the reactor in order to release the air
bubbles trapped in the sand.
5. Reinsert the plug on the air vent hose and check
that the reactor discharges only water from
drainpipe.
6. Start the reactors pump.
7. Close off the output valve until you get a flow of
between 1 and 2 l/h.
8. Open the carbon dioxide cylinder valve and adjust
the output pressure of 0.1 bar.
9. Verify the release of CO2 into the reactor through
the bubble counter.
SETTING
If air should accumulate in the reactor, remove the plug
on the air vent hose and release it out.
Manual calibration: Act on the control valve of the CO2
until you get a flow of about one bubble per second.
PH controller calibration: Act on control valve of the
CO2 until you get a flow of about 2 bubbles per second.
Calibrate the controller so that it closes the solenoid
valve when it detects a pH of about 6.80.
Warning: The reactor is now in operation and the
process of lowering the pH begins.
After about 24 hours take a water sample from the
drainpipe and check that carbonate hardness is
approximately higher than that in the tank. Usually
reactors are set to provide a 25-30 ° KH.
Manual correction: Operate the control valve and
increase the bubbles per second if the value of °KH
detected is too low. Conversely, decreased the number
of bubbles per second.
PH controller correction: Operate the controller and
lower the PH limit value if the value of °KH detected is
too low. Conversely, increased the PH limit value.
At least every week you will need to check the
aquarium's °KH value and observe the trend. If the
value continues to decrease, it is necessary to increase
the output water flow. Conversely, decreased flow.
Manual regulation: After changing the outflow, it is
necessary to adjust the CO2 intake until the proper
carbonate hardness leaving the reactor, usually 25-30 °
KH, is obtained.
PH Controller regulation: After changing the output
flow, it would not be necessary to adjust the CO2
intake, as the solenoid valve automatically adjusts it.
7
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