Wheelock TBM Installation Manual

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INSTALLATION INSTRUCTIONS

MODEL TBM

TALK-BACK MODULE

NOTE:

Use this product according to this instruction manual. Please keep this instruction manual for future reference.

All

CAUTIONS

and

WARNINGS

are identified by the symbol .

APPLICATION INFORMATION:

The Talk-Back Module (TBM) is a plug-in module designed to provide centralized Talk-Back in the MZC-144 Modular Zone
Control.

Figure 1 shows the MZC-144 board, and illustrates the location of the TBM module.

Figure 1: MZC-144 Board and TBM Position

Copyright 1996, 1997 Wheelock Inc. All rights reserved.

P83271 B

Sheet 1 of 3

INSTALLATION AND PROGRAMMING INSTRUCTIONS:

NOTE: For additional information, see MZC-144 Installation Instructions (P83259).

1. Remove MZC-144 cover.

2. Disconnect power from the MZC-144.

3. Set the Talk-Back Master switch, on the MZC-144 PC Board (see Figure 1), to the Enabled position.

4. Enable Talk-Back in the desired zones. See Figure 2 for Expansion Modules and Figure 1 for Main Board.

5. Remove the shorting jumper from J8 on the MZC-144.

6. Plug the TBM into the proper location (see Figure 1).

CAUTION: Make sure that all of the pins are aligned properly.

7. Turn power on to the MZC-144.

8. Adjust the Talk-Back volume (see Figure 3).

9. Install the MZC-144 cover.

CAUTION: These devices are not intended for use in hazardous locations as defined by the National Electrical Code (NEC).

Figure 2: Configuration Instructions for MZEM-3 Talk-Back Module

Figure 3: Talk-Back Module (TMB) PC Board

Limited Warranty

P83271 B

Sheet 2 of 3