NuAire BLIZZARD NU-99729VFT, Operation & Maintenance Manual

Page: 35 / 41

OM0299 P
AGE
35
OF
41 R
EV
1 D
ECEMBER
/2020
• The temperature of liquid CO2 /LN2 is extremely low, which could cause frostbite. When replacing the
cylinder, please always wear a pair of protective glasses and protective clothes.
• This kind of backup cooling system should be used with the LCD panel.
9.4 Electromagnetic Lock
The electromagnetic lock can effectively enhance the safety of specimen access inside the freezer, which is
conve nient for use. When using it, make sure to swipe the card or use the fingerprint to unlock the lock before
opening the door. If not swipe the card or use the fingerprint, or pull the handle forcibly, it may destroy the
electromagnetic lock.
Usage method:
• Before using the electromagnetic lock for the first time after unpacking, firstly open the door, and then remove
the small clip for fixing 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
fingerprint. 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 fingerprint does not have the function.
• If the freezer operates in authorized mode, first ensure that the magnetic card or fingerprint is registered on
it. When you can create a new account, the registration will be completed by swiping the card or punching
the fingerprint, meanwhile a magnetic card shall be assigned to the new account. Only when the magnet ic
card corresponds to the login account, can the electromagnetic lock be unlocked.
• If the user does not use the electromagnetic lock temporarily, it can be fixed with a clip, to ensure that the
door can be opened / closed without swiping the card or usin g the fingerprint.
• When there is a loss of power or the backup battery power is out of power, please contact technical support
personnel should there be a need to open the freezer door.
•
If the card is not swiped or fingerprint information is not entered, the door should not be opened forcibly as
it can damage the electromagnetic lock.