T
Thermo Fisher Barnstead
Pacific AFT
Pure water system
26
13.1.2 Pure water limiting value:
A second press on the menu-key allows the pure water limiting conductivity value to be set in
this menu. Should the limiting value be exceeded, then the “
Lim. Val. Pure w.
” Message is
displayed (measuring point LF1)
Limiting value setting range: 0.055 – 9.999 µS/cm
Basic setting:
0.50 M
Ω
xcm
Settings above 9.999 µS/cm result in the limiting value being switched off. The word “
Off
”
appears in the display.
The display shows:
Lim.val.pure w.
2,0 µS/cm
13.1.3 Operating hours:
A third press on the menu-key allows the operating hours of the UV-lamp and the reverse
osmosis pump to be displayed in this menu. The UV-lamp operating hours counter registers
the total length of time for which the lamp was switched on. When the maximum operating
time is reached, the “
UV time
” fault message is triggered. The limiting value can be set in the
OEM menu.
The operating hours of the reverse osmosis pump does not have a limiting value.
The display shows:
UV-Time
0000 h
RO Time
0000 h