ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com
500628 Rev B
14
921
Series
Theory of Operation
Powering the System
The rocker switch in the center of the teller unit control panel controls power to the system. The adjacent
red LED indicates “power on.”
NOTE
: The power switch does
not
switch off 120VAC service to any component. It is only used
to deactivate the system. Some components may remain energized and/or active when the system
is “off.”
Power ON
1.
Technician/Teller switches power on
2.
Power indicator illuminates
3.
CVM Systems only:
Camera and monitor in CVM are powered on
4.
System is now in ready state
Power OFF
1.
Teller switches power off
2.
Power indicator extinguishes
3.
CVM Systems only:
Camera and monitor in CVM are powered off
4.
System is now off
The power switch may be used to recover from unusual system conditions simply by switching it off and
on – this will reset the system.
Send cycle
1.
Technician/Teller inserts carrier into teller unit
2.
Teller closes teller unit door and presses SEND
3.
Send cycle begins
4.
Pressure blower activates
5.
The valve in the Teller Unit Check Valve closes and the valve in the Teller Unit opens, sending air
pressure to Teller Unit
6.
Carrier is propelled from Teller Unit into transmission tubing, towards Customer Unit
7.
Carrier passes Deceleration Switch Tube over Customer Unit
8.
Pressure blower deactivates
9.
Carrier decelerates due to Solenoid engaging
10.
Solenoid timer waits for Carrier to land.
11.
Send cycle ends; System is now in ready state
Operation
