CONNECTING THE TRACETEk NETWORk
THERMAL BUILDING SOLUTIONS
If the TTDM-128 will be used as the network master in a TraceTek network, follow these
instructions to connect the communication wiring.
IMpORTANT: Some TraceTek network configurations will require different c onnections for the
communication wiring. Please refer to the TTDM-128 User Manual (H56853) for further details.
prepare communication cable.
Ensure that the communication cable has been installed and tested.
Make connections.
WARNING:
Shock hazard. Disconnect from live voltage prior to opening enclosure door.
• Confirm that power to the unit has been shut off.
• Open the enclosure door.
• Feed the end of the communication cable through the gland plate
enclosure.
• Remove the J10 cable plug
• Connect the positive wire to terminal 3 (485+) and the negative wire to terminal 4 (485–) of the
J10 cable plug.
• Connect the shield wire to the round lug
IMpORTANT: Observe the polarity. If wires are not connected to the proper terminals, the leak
detection system cannot operate properly.
• Insert the J10 cable plug back into the socket
• Place the positive and negative wire in the Ferrite clamp. Do not place the shield wire inside the
clamp. Close the clamp by securing its latch to the snaps.
PL
Ferrite clamp
RS-485 cable to next TraceTek module.
EN-TraceTekTTDM128-IM-H57341 04/16
from the socket.
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SHIELD
RS-485 (–)
RS-485 (+)
adapter/bushing into the
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