User's Manual

Electronic Instrument Installation
14. Connect the corrected module wires to TB1 on the Mini-Max board following the table below. Use
Honeywell upgrade kit 40-2678-1 to provide the second pulse output channel for the uncorrected
endpoint.
Corrected ERT Module Connections
ERT Module
Mini-Max TB1
Red wire K terminal
Blue wire* Ya terminal
White wire* Ya terminal
*Twist the blue and white endpoint wires together before connecting to the Mini-Max board.
Tighten terminal connections securely.
15. Connect the uncorrected module wires to the Input Switch Board UNC. VOL following the table below.
Uncorrected ERT Module Connections
ERT Module Mini-Max Input
Switch Board UNC. Vol.
Red wire COM terminal
Blue wire* NO terminal
White wire* NO terminal
*Twist the blue and white ERT module wires together before connecting to the Mini-Max board.
Tighten terminal connections securely.
16. Tighten the large strain relief securely.
Warning Do not crush the module through-cables when tightening the strain relief.
17. Re-install or reconnect the power or battery sources.
18. Close the instrument case and tighten the case screw securely. Replace any locks that were removed for
installation.
Wiring the Remote ERT Module to the Honeywell TCI
The Honeywell Instruments Temperature Compensating Index (TCI) provides two Form-A volume pulse
outputs and one Form-B alarm output. These outputs are electronic switches. The Form-A pulse outputs are
configurable for compensated or uncompensated volume. The Form-B output is for alarm output use only.
TDC-0824-014 100G Series Gas ERT Module Installation Guide, Remote Mount 47
Proprietary and Confidential