800.533.3794 | www.comcosystems.com 500169 Rev.18.0 pg. 2
Series
System Features pg. 3
521A Teller Unit
521 Single/Dual Sided Teller Unit
Customer Unit
Blower
System Controller
521 EZ Station
Operation
521A Teller Unit pg. 4
Operations
Specification
Parts List
521 Single/Dual Sided Teller Unit pg. 12
Operations
Specification
Parts List
521 EZ Master Station pg. 20
Cut Sheet
Riser Diagram
Wiring Diagram
Customer Unit pg. 24
Operations
Specification
Parts List
Installation
Blower pg. 30
Operations
Specification
Parts List
Glossary of Terms pg. 36
Key Words
Carriers pg. 37
Installation & Maintenance pg. 40
System Setup and Installation
Field Wiring Diagram
Help Desk Information pg. 52
Return Materials Authorization Procedure
Contact Information