Cleaning Program - Hach BioTector B7000i User Manual

8.3.4.2

Cleaning Program

The parameters in Cleaning Program menu identifies the operation of the specific cleaning cycle built and programmed for each
specific analyzer.
CLEANING TYPE
CLEANING START
CLEANING PERIOD
STREAM 1
STREAM 2
STREAM 3
...............
STREAM 6
BASE WASH  Systems, programmed to operate with the BASE WASH
 When CLEANING TYPE is programmed as REVERSE WASH,
 During the Span Calibration and Span Check reactions, the
 During Manual sample analysis, the REVERSE WASH cleaning
 When the CLEANING TYPE is programmed as FULL
 If the CLEANING TYPE is programmed as REACTOR WASH,
 Systems built and programmed with the BASE WASH and/or
FIRST  CLEANING START determines whether BioTector to start the
1 , 1  In CLEANING PERIOD 1 , 1 setting, the first point "1 by default"
100
100
100
...
100
 For instance, if the CLEANING PERIOD setting is "10 , 1", one
 A setting of "0 , 1" inhibits the cleaning cycles.
 In BioTectors operating with BASE WASH cleaning cycle, the
cleaning type, carries out sample tubing wash cycle at a
programmable frequency, and if necessary a reactor wash cycle
using the base reagent.
and if a STREAM REVERSE time is set in Sample Pump menu
(see Section 8.2.2 Sample Pump
Pump runs reverse with the Cleaning Valve activated to wash
the sample lines automatically using the BioTector oxidized
sample liquid.
REVERSE WASH cleaning cycle operation is automatically
blocked by the software.
cycle is deactivated by default with the MANUAL REVERSE time
set to 0 seconds. In order to utilize the reverse wash cleaning
cycle during manual sample analysis, system requires a Manual
Bypass Valve, which redirects the oxidized liquid back into drain.
REACTION, an external cleaning liquid is injected into the
reactor and oxidized with a complete reaction cycle.
an external cleaning liquid is injected into the reactor and mixed
for the REACTOR WASH TIME programmed below.
REVERSE WASH cleaning cycles cannot run FULL REACTION
or REACTOR WASH cycles. In order to change the cleaning
type in a BioTector, several mechanical and system
configuration changes are required.
cleaning cycle before (FIRST by default) or after (LAST) the
number of reactions programmed in CLEANING PERIOD below.
defines the number of analysis cycles between each cleaning
cycle, and the second point "1 by default" defines the number of
the cleaning cycles to be performed. The default settings of "1 ,
1" is the recommended setting for REVERSE WASH cleaning
cycle.
REVERSE WASH cleaning cycle (or one FULL REACTION or
one REACTOR WASH cycle) is carried out every tenth analysis
cycle.
system carries out the base wash cleaning at the programmed
analysis cycle (every 100 reactions by default) for each stream
(STREAM 1-6).
for details), the Sample
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