Pentair TRACETEK TTDM-128 Installation Instructions Manual page 9

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.
co
.
bq
.
co

SHIELD
RS-485 (–)
RS-485 (+)
adapter/bushing into the
br
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