Operating Instructions WBL-118 Refrigerated bath and circulator
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lower than the set value,
Lt
is displayed. The controller will trigger a beeping alarm. While the
actual temperature is lower than the
Lt
setting, the
Lt
may be set to a lower value by
pressing
so that
Lt
beeping can be cleared. If the actual temperature is recovered to
higher than the
Lt
setting, the
Lt
alarm will disappear automatically with seconds of delay, or may
be cleared immediately by pressing
.
CooL
: Control parameter for compressor, and select among
Auto
,
on
and
oFF
, which means as follows:
Auto
: Compressor works automatically as controlled by the difference between set and actual
temperatures;
on
: Compressor works continuously;
oFF
: Compressor is disabled.
Auto
: Select between
AoFF
and
Aon
, which means manually starting and automatically starting.
Atc
: Absolute temperature calibration (ATC), when the temperature displayed differs from the
temperature measured by a standard thermometer, ATC is used to calibrate the display.
dEFt
：
Return to the factory default setting. It may be used when system halts or any other abnormal
situation occurs.
ESc
: Exit the
SEt
menu.
Stb
: The independent safety temperature limiter (STB) is triggered, resulting from localized
overheating or low level. Once
Stb
alarm is triggered,
LED flashes for warning and both the
heating and circulating pump are disabled. The warning and protection against heating and
circulating are locked even if the level is recovered. The automatic resetting is possible only when
the temperature in the bath is lower than a designated safe limit.
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