Pr
o
Minent
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2.2.3
Setting flow monitors
IMPORTANT
Make these settings only while at normal operating pressure.
• in menu position “STANDBY” turn the ring initiators of the flow pulse monitors (3a-3c,
see fig. 1) to the top position using adjusting discs.
• start pumps with “start up” button
• turn ring initiators slowly downwards until LED 3 “ flow monitor acid” (see fig 11), LED 5
“flow monitor chlorite” and LED 20 “flow monitor water” light up green with each stroke;
there should be no missing pulses
• after this, turn ring initiators ca. another 1mm downwards; then they are correctly set
NOTICE
Never set the ring initiators in the lowermost position; in this position safe
functioning of the system is not ensured!
• bring system to standstill by pressing “start up” button
• start metering by pressing “start” button
The system is now operating (with water only) at the desired metering rate.
2.2.4
Setting parameters and calibration
• fill water pump calibration cylinders with water exactly to 1000 or 2000 ml mark
• take foot valve for water metering pump out of bucket and dip in calibration cylinder
• turn ball valve taps to “calibrating” position (see fig.13)
• note if levels of acid and chlorite calibration vessels deviate from zero ml
• activate parameter level on control display
• set operating parameters (e.g. reference concentration of ClO
2
at maximum water flow;
see ch. 5.2 ff.)
• in menu position “water”, press “higher” button until minimum parameter setting appears
• Press “start” button: Depending on the capacity, the system switches off again between
2–5 minutes
• take suction hose with foot valve out of metering cylinder and place back in bucket
• note level reading on metering cylinder
• calculate difference between 1000 or 2000 ml and new reading in ml
• reading in ml must lie in range between 1.0 and 1.3 of the minimum parameter setting; enter
reading into control using “higher” button and secure by pressing “save” button
IMPORTANT
If it is not possible to enter the reading determined in this way, then correct by raising
or lowering the amount of ClO
2
metering in g/h (or maximum rate of flow in m
3
/h).
If reading is greater than 30 % of parameter minimum in display: lower setting of
stroke length (both must be the same) and repeat measurement. Stroke lengths may
not be less than 50 %.
• move to menu position “acid”
• read level of acid calibration vessel in ml; in case level at beginning of gauging procedure was
not equal to zero, correct present reading by amount of initial deviation
• enter corrected reading into display using buttons “higher” or “lower” and confirm with “save”
button
• move to “chlorite” position in menu
• read level of chlorite calibration vessel in ml; in case level at beginning of gauging procedure
was not equal to zero, correct present reading by amount of initial deviation
Commissioning
Summary of Contents for Bello Zon CDKa 10000
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