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Optional Accessories
1.Temperature recorder
When using the temperature recorder, please refer to the "User manual for Temperature Recorder"
provided with the recorder.
The temperature recorder should only be installed by professionals or Haier serviceman.
Caution
Before installing the temperature recorder, please cut off the power supply to avoid
Warning
electric shock or fi re.
2.LCO
backup cooling system
2
For installation and operation of the backup cooling system, please refer to the user's manual
provided with the system.
For LCO
back up system, please make sure the LCO
Caution
2
liquid dip tube to make sure the liquid is fed to the backup system. For LN
system, please use a LN
dewar of 35 to 50 psig.
2
• Whenever a CO
or LN
Warning
2
2
be well ventilated. Increased concentration of CO
fatal. If the ventilation is poor, alternative methods should be considered to reduce the
nitrogen or CO
concentration to the normal level.
2
• If a LCO
or a LN
cylinder fell to the ground, its valves nay get damaged, resulting in
2
2
a risky condition. Fastening the bottles with a chain are to secure the them to ensure
the bottles are positioned vertically and securely.
• The temperature of liquid CO
When replacing the cylinder, please always wear a pair pf protective glasses and
protective clothes.
• This kind of backup cooling system should be used with the LCD panel.
3.Wireless cold chain module
The wireless cold chain module adopts wireless communication as a medium to
realize the exchange between the specimen bank inside ultra-low temperature
freezer and the specimen bank system, as well as the functions of data
synchronization, management synchronization, operation synchronization and
information synchronization.
4.Electromagnetic lock
• The electromagnetic lock can eff ectively enhance the safety of specimen access inside the
freezer, which is convenient for use. When using it, make sure to swipe the card or use the
fi ngerprint to unlock the lock before opening the door. If not swipe the card or use the fi ngerprint, or
pull the handle forcibly, it may destroy the electromagnetic lock.
• Usage method: Before using the electromagnetic lock for the fi rst time after unpacking, fi rstly open
the door, and then remove the small clip for fi xing the spring of electromagnetic lock.
• When the electromagnetic lock is unlocked, it may continuously maintain the open state for about
10 seconds. If more than 10 seconds later, you need to open the door once again, please swipe the
card or punch the fi ngerprint. The unlocked/ locked state of electromagnetic lock is displayed on
the touch screen.
• If the freezer operates in normal mode, any attached magnetic card can be used to open the door
by swiping it in the card reading area of the display panel cover,but the fi ngerprint does not have
the function.
supply bottle has an internal
2
backup system is installed, the location of the freezer must
in the air is harmful and even
2
/LN
is extremely low, which could cause frostbite.
2
2
40
Preparation before Use
1. Remove the packaging materials and strings
Remove all packing materials and straps for transportation.
2. Check the supplied accessories
Check the items in the packing box according to the packing list. If they do not match each other,
please contact Haier immediately.
backup
2
3. Installation environment
There should be at least 30 cm space between the
surrounding walls and the freezer for ventilation.
4. Adjust support legs
Rotate the leveling legs clockwise to extend them
out to support the unit to the fl oor to ensure that
the unit does not move while in usage.
5. Placement
After adjusting and cleaning the unit, do not connect the power cord immediately.The freezer needs
to be placed in its intended location for at least 24 hours before connecting the power to make sure
it will operate normally.
9
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