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6 - INSIGHTS
6.1 Battery charger connection 900KBPK 
Viper can also function in the absence of main power supply by in-
stalling 900KBPK without making any modications to the system.
IMPORTANT: by using battery charger and photocells, it is nec-
essary to connect the power of the photocells in the connector 
CN13.
Key Automation S.r.l. produces systems for the automation of gates, 
garage doors, automatic doors, rolling doors, parking lots and road 
barriers. However, Key Automation is not the manufacturer of your 
automation, which is rather the result of a process of analysis, eval-
uation, selection of materials, and installation performed by your 
own installer. Each automation is unique and only your installer has 
the experience and professionalism required to create an installa-
tion to suit your needs, safe and reliable over time, and carried out 
according to the good industry practice, i.e. compliant with the cur-
rent regulations. Even if your automation meets the security level re-
quired by law, this does not exclude the existence of “residual risks”, 
i.e. the possibility that it may cause dangerous situations, usually as 
a result of improper or irresponsible use; for this reason we would 
like to give you some suggestions:
• Before using the automation for the rst time, ask the installer to 
explain the origin of residual risks.
• Keep this manual for future use and deliver it to any new owner of 
the automation.
• Inappropriate or improper use of the automation can make it dan-
gerous: do not command the movement of the automation if people, 
animals or things are in its range.
• Children: If properly designed, an automation ensures a high de-
gree of security, preventing movement in the presence of people or 
things with its detection systems, and ensuring always predictable 
and safe activation. It is prudent to prevent children from playing 
near the automation and keep  s out of their reach to prevent ac-
cidental activation.
• Malfunctions: As soon as you notice any malfunctions, disconnect 
the installation from the power supply and operate the manual re-
lease. Do not attempt any repairs by yourself, but require the assis-
tance of your installer: meanwhile, the installation can operate like 
a non-automated opening device after releasing the motor with the 
release key supplied with the system.
• In case of failures or power failures: while awaiting the arrival of 
your installer or the restore of the electricity, if the installation is not 
equipped with backup batteries, the automation can be operated as 
any normal non-automated opening device. To do this, you must run 
the manual release.
Release and  manual movement:  before performing  this operation 
pay attention that the device can be released only when the door 
is stationary.
• Maintenance: Like any machine, your automation needs periodic 
maintenance to ensure its long life and total safety. Agree with your 
installer on a maintenance plan on a periodic basis; Key Automation 
recommends a frequency of 6 months for normal domestic use, but 
this period may vary depending on the intensity of use. All inspec-
tion, maintenance or repairs should be performed only by qualied 
personnel.
• Do not change the installation and control or programming param-
eters of the automation: the responsibility lies with your installer.
• The testing, routine maintenance and any repairs must be docu-
mented by the person who performs them, and related documents 
must be kept by the owner.
The only interventions that are possible for the user and should be 
carried out periodically are the cleaning of the covers of the photo-
cells, as well as the removal of any leaves or rocks that could block 
the automation. To prevent anyone from activating the gate or door, 
before proceeding, remember to release the automation and clean 
only with a cloth slightly dampened with water.
•  Disposal: At  the  end  of  the  automation life,  make sure  that the 
dismantling is carried out by qualied personnel and the materials 
are recycled or disposed of according to local regulations in force.
• Operate the gate or door (with transmitter, key switch, etc..); if eve-
rything is working properly, the gate or the door will open and close 
normally,  otherwise  the  ashing  light  ashes  and  the  manoeuvre 
does not start.
With the safety devices out of use, the automation must be repaired 
as soon as possible.
Replacing the transmitter battery: if your transmitter seems to work 
worse or not work at all after a while, this may simply depend on the 
exhaustion of the  battery (depending on  use, it may  take  several 
months to over a year). In that case, you will see that the conrma-
tion of transmission light does not turn on, or comes on only briey. 
The batteries contain polluting substances: do not throw them in the 
garbage but use the methods prescribed by local regulations.
Thank you for choosing Key Automation; for more information feel 
free to visit our website www.keyautomation.it.
7 - INSTRUCTIONS AND WARNINGS FOR THE END USER
Connection sequence:
• Disconnect the 230 VAC power supply
• Connect 900KBPK to terminal CN13 .
• Re-connect the mains power supply
• New batteries charge up after about ten hours.