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500169 Rev.18.0
pg. 38
521
Series
Theory of Operation
Powering the System
The green pushbutton on the left side of the teller unit control panel controls power to the entire system.
Within the switch is a green LED that indicates “power on.”
Power ON
1.
Teller switches power on
2.
Power indicator illuminates
3.
Automatic Teller Units only:
Teller Unit door opens
4.
CVM Systems only:
Camera and monitor in CVM are powered on
5.
System is now in ready state
Power OFF
1.
Teller switches power off
2.
Power indicator extinguishes
3.
Automatic Teller Units only:
Teller Unit door closes
4.
CVM Systems only:
Camera and monitor in CVM are powered off
5.
System is now off
The power switch may be used to recover from unusual system conditions simply by switching it off for at
least 30 seconds and on again – this will reset the system.
Send cycle
1.
Teller inserts carrier into teller unit
2.
Manual Teller Units only:
Teller closes teller unit door and Send cycle begins
3.
Automatic Teller Units only:
Teller presses SEND and Teller Unit door closes
4.
Send cycle begins
5.
Pressure blower activates
6.
The check valve in the Valve bend opens and the relief valve closes, sending air pressure to Teller
Unit
7.
Carrier is propelled from Teller Unit into transmission tubing, towards Customer Unit
8.
Carrier activates Deceleration Trigger – ending send cycle
(Note: if deceleration trigger is not
activated, the cycle timer times out and send cycle ends, but steps 10 & 11 do not occur)
9.
Pressure blower deactivates
10.
Stop Valve is activated by stop solenoid, blocking air behind carrier
(simultaneous to step 9)
11.
Carrier decelerates due to vacuum behind carrier
12.
Carrier arrives at Customer Unit
13.
System is now in ready state
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