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4.3.2 Conductivity
The conductivity menu gives a graphical indication of the water quality. When all 10 blocks are
shaded the water quality is to specification.
When the number of shaded blocks drops to four, the "Change Water" error message will be
displayed, the water bottle indicator will flash red, and an intermittent alarm will sound.
Hydrogen will continue to be delivered to the application.
If the water quality degrades to the point at which none of the blocks are shaded, the outlet
valve of the generator will close and a conductivity error will be generated. The water bottle
indicator will illuminate red and a continuous alarm will sound. Hydrogen will not be delivered
to the application.
Press
to advance to the next menu.
The water bottle should be drained and refilled with deionised water, ASTM II, >1 M , <1 S, filtered to <100 m at the earliest convenient time.
4.3.3 Pressure Measurement
The units of pressure measurement may be changed between bar, psi and Mpa.
Press
or
to change the units of measurement.
When the desired units have been selected, press
4.3.4 Run Time Data
The Run Time Data Menu displays the following data:
HOURS RUN - Time in hours that the generator has been producing hydrogen.
SERVICE IN - The time in hours that the generator can produce hydrogen before a
service is required.
4.3.5 Flow
The Flow menu displays the current flow and the total amount of hydrogen produced by the
generator when on-line.
Flow ml/min. - Current flow in ml/min being produced by the generator. This is for indication
only and we recommend the use of a flow meter to gain an accurate measurement.
Litres - Total amount of hydrogen produced by the generator measured in litres.
4.3.6 Dryer Status
The dryer status menu is used for diagnostic purposes. When displayed press and hold
and
.
The menu will change to display the following:
STATUS A(B) mmm: ss – Indicates the length of time the operating column (A or
B) has been on-line.
CYC TIME – Indicates the total on-line cycle time of the column.
Press
.
The menu will change to display the following:
HEAT A(B) OFF (ON) – The operating status of Heater A and Heater B.
o
XXX
C – The operating temperature of Heaters A and B.
Press
to progress to the condition dryer menu.
to advance to the next menu.
C O N D U C T I V I T Y
X
C H A N G E
W A T E R
A C T
1
0
0
%
C O N D U C T I V I T Y
A C T
1
0
0
%
P R E S S U R E
U O M
B a r
H O U R S
R U N
X
X
S E R V I C E
I N
X
X
F L O W
m l
/ M I N
L I T R E S
D R Y E R
S T A T U S
H O L D
&
S T A T
U
S
A
m
m m : s s
C Y C
T
I
M E
X
X
X M
H E A T
A
O F F
X
X
H E A T
B
O N
X
X
X
X
X
X
X
X
0 0
0
0 0 0
I
N
X
O
C
X
O
C
13
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