© Global Cooling, 2009
10/29/2009
Version 1.2u
7
QUICK GUIDE
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clip, laminate, keep with freezer
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Global Cooling ULT-25 Freezer
BASIC FUNCTIONS
ON
Press & hold
I/O
for two beeps
OFF
Press & hold
I/O
for three beeps
Change Set Point
Press & hold
Set T
until
Set T
LED glows,
S ##
displayed, then
or
See Set Point
Press
Set T
briefly.
S ##
displayed
Return to Temp Display
Press
Set T
briefly, or wait 8 seconds.
7-segment display
number only – chamber temperature;
S ##
– set point;
ADVANCED FUNCTIONS
Change to Preset
Press & hold
Set
until
Set T
LED glows,
S ##
displayed, then
Preset 1 2
or
3
Change Preset Temp
Press & hold
Preset 1 2
or
3, P ##
is displayed, and then
or
Max Temp
Set T
LED must be off. Push
briefly.
H###
displays the Max temperature.
Min Temp
Set T
LED must be off Push
briefly.
L###
displays the Min temperature.
Clear Temp Min/Max
Set T
LED must be off Push both
and
simultaneously.
Postpone Over T Alarm
When
Over T
light glows, press
Preset 3
until time shows (
1.0h
default)
(If
Over T
LED is not glowing, then
Preset 3
acts as a Temp Preset)
Change Silence Time
When
Over T
light glows, press
Preset 3
until time shows (
1.0h
default)
then use
or
while continuing to press
Preset
3
Perm. Silence Alarm
Change silence time to negative number. LED will function, but not Audible
Change Temp Allowance
When
Over T
light glows, press
Preset 2
and
3
until
A##
shows, then
or
Return to Temp Display
Wait 8 seconds
See Error Code Again
If
Error
LED is on then Press
Preset
2
briefly
(If
Error
LED is not glowing, then
Preset 2
acts as a Temp Preset)
Turn off
Error
LED
Press & hold
Preset
2
for 5 seconds when
Error
LED is on (will turn on again
if error condition persists)
Lock Panel
Press & hold
Preset 1
AND
2
AND
3
until
Locked
LED turns on (5 seconds)
Unlock Panel
Press & hold
Preset 1
AND
2
AND
3
until
Locked
LED turns off (5 seconds)
7-segment display
H###
– Max temp;
L###
– Min temp;
P ##
– Preset temp;
## h
– alarm silence;
A ##
– Temp Allowance;
E ##
– Error code
© Global Cooling Inc, 2009
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clip, laminate, keep with freezer
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