Pentair TRACETEK TTDM-128 Installation Instructions Manual page 5

THERMAL BUILDING SOLUTIONS
TTDM-128 and TTDM-128-24 v power Wiring Connection
• There is no internal mechanism for de-energizing the power. Installer must provide individual
branch circuit breaker (no more than 20 amp rating and short circuit rating of minimum 5 kVA)
within line of sight.
• Pass the power cable through the gland plate adapter/bushing into the enclosure.
• Connect the ground/earth wire to the ground/earth stud
• The ground/earth stud is marked with this symbol:
IMpORTANT: Proper grounding/earthing of the TTDM-128 enclosure is important to avoid the
possibility of electromagnetic interference.
• Remove the power cable plug from the socket
• Connect the power supply wires to the power cable plug. Use L2 for neutral, if present.
IMpORTANT: The terminals can accept wires 10 AWG (4.7 sq. mm) or smaller. We recommend
12 AWG (3.0 sq. mm) wires, with branch circuit protection sized accordingly. Cable should have a
temperature rating of 65°C minimum.
• Insert the power cable plug back into the socket
110/220 Vac power supply
Do not
exceed
maximum
voltage
rating
24 V power supply
Do not
exceed
maximum
voltage
rating
EN-TraceTekTTDM128-IM-H57341 04/16
.
bq
on the power supply board
bn
on the power supply board
bn

Use L2
for neutral,
if present.

VAC IN



.
bl
.
bl
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