DESCRIPTION
Please read these instructions and keep them in a safe place.
These instructions must be followed carefully to ensure
proper operation.
The nVent RAYCHEM TraceTek TTA-SIM must be installed in
an ordinary (non-hazardous) location. It may be used with any
TraceTek sensing cable, point sensor and/or normally open, dry
contact devices (float switch, pressure or vacuum switch, optical
probe with adapter, limit switch, etc.). Up to 150 m (500 ft) of
sensing cable can be monitored by the TTA-SIM. Contact factory
for information regarding longer monitoring distance.
An external disconnect device and appropriate branch circuit
protection (no more than 20 amp rating) should be provided for
the TTA-SIM. The disconnect device should be clearly marked
as such. Follow all national and local codes and regulations
applicable to the installation.
INSTALLATION ITEMS (NOT SUPPLIED)
• Wall fasteners for surface mounting (four screws)
• TT-RS485 telemetry cable (optional)
TOOLS REQUIRED
• Drill for making conduit / cable gland entries
• Phillips (cross-head) screwdriver
• Small flat-blade screwdriver
• Small needle nose pliers (required only for device
programming if digital communication is used)
• Tools to mount enclosure
STORAGE
Keep the TTA-SIM modules in a dry place prior to installation.
Avoid damage to components.
ADDITIONAL ITEMS
An agency-approved zener barrier must be used where sensing
cable connected to the TTA-SIM will be located in Class1 Div 1
(Zone 0 or 1 in Europe) Hazardous Locations.
PRODUCT INFORMATION
nVent RAYCHEM TTA-SIM-
1A-120 &
TTA-SIM-2-120
TTA-SIM-1A-230 &
TTA-SIM-2-230
96 to 132 Vac, 50/60 Hz, 3 W
216 to 253 Vac, 50/60 Hz, 3 W
Relay contacts
Form C (SPDT), 250 Vac/30 Vdc
at 2 Amps maximum
Installation categories
Overvoltage Category II
Pollution Degree 2
Storage temperature
–18°C to 60°C (0°F to 140°F)
Operating temperature
0°C to 50°C (32°F to 122°F)
Enclosure
NEMA 1; IP20
TTA-SIM
Single Channel Alarm Module Installation/Operation Instructions
