Binder ULTRA.Guard UF V 500, Руководство по эксплуатации, Страница: 100 / 117

UF V (E3) 09/2018 Page 100/116
27. Technical description
27.1 Factory calibration and adjustment
The chambers were calibrated and adjusted in factory. Calibration and adjustment were performed using
standardized test instructions, according to the QM DIN EN ISO 9001 system applied by BINDER (certi-
fied since December 1996 by TÜV CERT). All test equipment used is subject to the administration of
measurement and test equipment that is also a constituent part of the BINDER QM DIN EN ISO 9001
systems. They are controlled and calibrated to a DKD-Standard at regular intervals.
27.2 Over current protection
The devices are equipped with an internal fuse not accessible from outside. If this fuse is blown, please
inform an electronic engineer or BINDER service.
27.3 Battery replacement (option “battery-buffered alarm system”)
Replace the battery only with a substitute of the same ratings (see chap. 27.6, art. no. 5007-0001). Re-
spect the correct polarity when replacing the battery!
Proceeding to exchange the battery:
•
Turn off the chamber at its main power switch (4) and disconnect it from the power supply.
•
Remove the bottom cover on the rear of the chamber
•
Remove the holding clamp of the battery
•
Disconnect the battery connections
When connecting the battery, respect the correct polarity.
•
When connecting the new battery, be sure to respect the correct polarity (red = positive, black = nega-
tive)
•
Secure the battery with its holding clamp
•
Reinstall the bottom cover on the rear of the chamber
•
Connect the freezer to the power supply and turn it on with the main power switch (4).