Operating Instructions WBL-118 Refrigerated bath and circulator
15
Chapter 3 Controller descriptions and operation
3.1 Controller panel (Fig 4)
3.1.1 Display for temperature and working parameters
Normally it displays the bath temperature once switched on and initiated or
0FF
when standstill.
Other possible symbols include:
SEt
,
Ht
,
Lt
,
CooL
,
Auto
,
Atc
,
dEFt
,
ESc
,
Stb
. Related definitions are
as follows:
SEt
: Setting of working temperature, must be 5
°
C higher than low limit
Lt
and 5
°
C lower than the high
limit
Ht
. The temperature setting beyond the scope will not be accepted.
Ht
: This parameter is an absolute value and used for reminding only. When temperature in the bath is
higher than the set value,
Ht
is displayed. The controller will trigger a beeping alarm and disable
the heating. While the actual temperature is higher than the
Ht
setting, the
Ht
may be set to a
higher value by pressing
so that
Ht
beeping can be cleared. If the actual temperature is
recovered to lower than the
Ht
setting, the
Ht
alarm will disappear automatically with seconds of
delay, or may be cleared immediately by pressing
. The heating is possible only if the
Ht
is
cleared.
Lt
: This parameter is an absolute value and used for reminding only. When temperature in the bath is
Fig 4 Controller panel
1
Temperature and working parameter
display
2
Status display
3
Key
4
Power switch
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