Table 3. TTA-SIM-2 LED operational
status indications
Table 4. TTA-SIM communication status indications
(only active if connected to a network)
Leak
Service
Indication
User Action
TX
RX
Indication
FLASH
Leak detected. Check sensor
for leak or spill.
Preset reset to
acknowledge
FLASH
FLASH
Unit is communicating normally with TTDM-128
or host.
ON
Leak alarm has been reset
by operator but the leak
condition still exists
Press reset to
clear alarm once
leak is cleaned up
OFF
FLASH
Unit is receiving communication from TTDM-128
or host, but is not responding.
FLASH
The sensor needs servicing.
Check sensor and leadwires/
jumpers for continuity or
contamination.
Press reset
to clear once
problem is
corrected
OFF
ON
RS-485 communication wires are reversed
OFF
OFF
Unit is not communicating with TTDM-128 or host.
Selecting location measurement units
The TTA-SIM-2 can be configured to display leak location in
either feet or meters. To select the desired units:
• Press the RESET button and hold it for approximately 3 seconds,
until the display shows “Unt”.
• A small vertical bar in the LCD will appear next to either the Ft or
M label. Press (but do not hold) the RESET button to select the
desired units. When the vertical bar is next to the desired units,
press and hold the RESET for 3 seconds to accept the setting and
return to normal operation,
Reset pushbutton
Units indicator
TRACETEK
Figure 11. RESET pushbutton and units indicator locations
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nVent reserves the right to change specifications without notice.
RAYCHEMTraceTek-IM-H57541-TTASIM-EN-2012
North America
Tel +1.800.545.6258
Fax +1.800.527.5703
Europe, Middle East, Africa
Tel +32.16.213.511
Fax +32.16.213.604
Asia Pacific
Tel +86.21.2412.1688
Fax +86.21.5426.3167
Latin America
Tel +1.713.868.4800
Fax +1.713.868.2333
