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Comco 921 Series User Manual

Comco 921 Series
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ComCo Systems Inc. | 800.533.3794 www.comcosystems.com 500628 Rev. A
921 Series
Installation and
Operator Manual
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Comco 921 Series Specifications

General IconGeneral
BrandComco
Model921 Series
CategoryIndustrial Equipment
LanguageEnglish

Summary

System Features

Teller Unit (TU)

Manual operated door unit, suspended from the ceiling.

Customer Unit (CU)

Open carrier access design with optional 2-way video unit.

Dual Pack UL Blowers

Dual blowers for pressure and vacuum.

Teller Unit

Teller Unit Operation

Teller Unit Switch Operation

Teller Unit Specifications

Customer Unit

Customer Unit Operation

Customer Unit Specifications

Dual Pack Blower

Blower Module Installation

Shock Hazard Warning

Disconnect AC Power before servicing.

Electrical Requirements

Electrical requirements and compliance with NEC.

Carrier Specification

Carrier Closure Requirement

Carriers must be closed before insertion for proper function.

Theory of Operation

Powering the System

How the system power switch controls power.

Send Cycle Description

Detailed steps of the send cycle process.

Recall Cycle Operation

Installation Cut Sheets: General

Installation Cut Sheets: Teller Unit

Teller Unit Notes

Teller unit receives low voltage power from blowers.

Installation Cut Sheets: Blower

Blower System Requirements

Details about the blower system requirements.

Dedicated Circuit Requirement

Requirement for dedicated circuits for each blower.

Installation: Teller Unit Field Wiring

Installation: Customer Unit Field Wiring

Wiring Notes

Deceleration switches must be wired in parallel.

Installation: Conversion Field Wiring

Installation: Control and Audio Wiring

Installation: System Riser Diagram

Installation and Maintenance

Tubing Installation

Requirements for sealing and de-burring tubing joints.

Replacement Parts: Overview

Replacement Parts: Specifics

Appendix A: Controller Guide