SW2-1 – Keypad Lockout
Factory default is OFF (open) = keypad not locked.
This security feature prevents unwanted keypad actions. When SW2-1 is turned ON (closed), the system will
begin a five (5) minute timer. If there is no pushbutton activity during that length of time, the CryoWiz™ will
lockout the front panel pushbuttons. To re-enable the pushbuttons, hold the SOURCE key for approximately
4 seconds. If there is no pushbutton activity for another 5 minutes, the keypad lockout function will resume.
Keypad lockout may also be temporarily disabled using the web server or the service software.
To permanently keep the front panel pushbuttons enabled, SW2-1 must be in the OFF (open) position.
SW3-1 – Alarm Configuration
Factory default is OFF (open) = all alarm relays operate independently.
The CryoWiz has five (5) dry contact alarm relays. Each one is defined in Table 4. There may be applications that
require a single relay contact closure, regardless of the alarm event, to be routed to the facility’s management
system. Turning SW3-1 ON (closed) directs the CryoWiz™ to use the LS1 relay as a master alarm that signals
when any of the 5 relays are in the alarm condition.
SW3-2 – Audible Alarm ON/OFF
Factory default is ON (closed) = the audible alarm will sound.
To disable the audible alarm, turn SW3-2 OFF (open).
NOTE:
With the exception of SW3-2, the CryoWiz™ will need to be power cycled for a DIP Switch change to be
recognized.
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