Carel Compact ROC 140, User Manual

Page: 24 / 60

24
ENG
Initial start-up and flushing of the membrane(s) WTS +0300130EN rel. 1.0 - 05.09.2022
Notice
: The pump may only be operated with the water inlet valve open, otherwise it could be damaged.
Exception: first commissioning.
8.2 Adjusting the metering pump
The ROC140 allows the use of the optionally available antiscalant dosing pump.
When using the recommended antiscalant Pragmaclean 309, proceed as follows:
» Position the fl ow control knob at 30%
ON / OFF
RESET
LED
KNOB
Fig. 8.a
When the activity LED is green, the metering pump supplies an amount 10 times higher than the nominal value. Only
use this setting after consultation with the specialist dealer or CAREL.
In standard operation, you use the dosing pump with the divider switched on (orange LED lights up constantly).
To supply the dosing pump with the antiscalant mixture from the canister, proceed as follows:
» Switch off the divider, the colour of the LED changes to green.
The DIVIDER is switched on and off as follows:
» Short press on the ON/OFF button (pump goes into standby mode).
» Long press on the ON/OFF button, after 4 short flashes the LED changes colour. Only then release the
pressure on the button
A
Fig. 8.b
» Set the rotary knob to 100% (fast pulse frequency).
» Open the vent screw (A)
» Close the vent screw (A) when the transparent tube is completely filled with the antiscalant mixture.
When the antiscalant mixture reaches the pump, the "knocking noises" of the dosing pump become quieter.
» Set the rotary knob to 30%.
When the antiscalant mixture is transported bubble-free in the tube:
» Switch on the divider, the orange LED lights up continuously.
Notice
: During operation, you can directly change the frequency of the dosing pump via the control knob.
ED flashing states
status LED (flashes per sec.) status pump operation
3x RED Pump powered but voltage too low
2x RED Pump powered but voltage too high
2x ORANGE Pump OFF and powered
leuchtet ORANGE, schaltet bei jedem Klopfen aus Pump ON
always on (RED) Level alarm
Notice
:
When using the recommended antiscalant Pragmaclean 309, dose it according to the feed water quality (see technical
data).
Only use diluted antiscalant!