Comco 921 Series Setup guide

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

1 ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev. A
921 Series
November 21st, 2019
ComCo Systems, INC. A division of Communications Conveyor Company
P/N: 500628 Rev. A
This publication contains materials protected by copyright. No part of this publication may be reproduced in any form or used
as the basis for the sale or manufacture of apparatus without prior written consent by ComCo Systems.
©2013 ComCo Systems INC All rights reserved
Some of the materials and applications described in this publication may be protected under one or more of the following US
patents: DES272076, 4180354, 4971481, 4984939, 5584613, 6039510, or other Patents Pending.

ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev A 2
921 Series
System Features pg. 3
Manual Teller Unit
Customer Unit
Blower
Operation
Manual Teller Unit pg. 4
Operations
Specification
Customer Unit pg. 8
Operations
Specification
Blower pg. 11
Operations
Specification
Carriers pg. 13
Operations
Specification
Theory of Operation pg. 14
Installation & Maintenance pg. 16
System Setup and Installation
Field Wiring Diagram
Replacement Parts
Help Desk Information pg. 29
Return Materials Authorization Procedure
Contact Information
Contents

3 ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev. A
921 Series
System Features
The Model 921 is an overhead pressure/vacuum system that utilizes 4x7 tubes and
carriers. The carrier travels from the teller unit to the customer unit under pressure and
returns under vacuum. The blower unit is located near the teller unit.
•The Model 921 is configured with three major subsystems:
1. Teller Unit (TU) P/N: 200430-1
2. Blower Unit P/N: 200281-3
3. Customer Unit (CU) P/N: 201280
Features
Teller Unit (TU)
TU-921-200430-1
Manual operated door unit,
which is suspended from the
ceiling, typically over
countertop.
Customer Unit (CU)
CU-921-201280
Open carrier access design
with optional 2-way video
unit.
Dual Pack UL
Blowers
200281-3
Features:
2 Power Cords
2 115Vac/15A
2 Blowers for pressure
2 Blowers for vacuum

ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev A 4
921 Series
Teller Unit
Model: TU-921-200430-1

5 ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev. A
921 Series
Manual Operated Teller Unit (TU) (P/N: 200430-1)
The manual teller unit utilizes a manually operated door. The teller unit’s door MUST remain closed
during a send or recall cycle for the system to function properly. The teller unit door should only be
opened when a carrier is being inserted to send to the customer unit, or immediately after a carrier has
arrived from the customer unit. Opening the door will cancel operation. To resume operation close door
and press RECALL or SEND.
Please note the reference guide in Fig. 1.0.
**NOTE:
Door Close Light next to the manual door handle MUST be ON to function properly!
Operation

ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev A 6
921 Series
Teller Unit (P/N: 200430-1)
Switch Operating instructions
ON/OFF The power switch cycles the complete system (Inside Unit,
Outside Unit & Blowers). Power ON: all lights will be present.
Power OFF: complete system power down. If installed it will
power down the Customer Video Module (CVM).
SEND Sends a carrier to the customer unit. The teller unit door must be
closed in order to send a carrier to the customer unit.
RECALL Recalls a carrier from the customer unit. The teller unit door must be
closed in order to recall a carrier from the customer unit.
Operation

7 ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev. A
921 Series
Teller Unit (P/N: 200430-1)
Dimensional & Electrical Specifications
Item
Measurements
Value
Teller Unit
(TU-921-200430-1)
Nominal Voltage
Current (max)
24 VAC From Blower
1 Amp
OPEN SEND
RECALLCLOSE
System Controller
(P/N: 200155K)
See Appendix A
For System Settings
Specification

ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev A 8
921 Series
Customer Unit
Model: CU-921-201280

9 ComCo Systems Inc. | 800.533.3794 | www.comcosystems.com 500628 Rev. A
921 Series
Customer Unit (P/N: 201280)
Machine & Switch Operating Instructions
SEND Sends carrier to Teller Unit.
CALL Generates audible tone at the Pharmacy/Teller Center when depressed.
Bottom Switch Keypad (P/N: 200574-2)
Top Switch Keypad (P/N: 200573-2)
Operation