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2.6.2 OUTGOING POWER WITH DISTRIBUTION SYSTEM
Load Power Terminal Blocks
Locate the outgoing heater terminal blocks using the supplied elevation/layout drawing, and
connect per the associated schematic drawings. Depending upon the size of the branch circuit
breaker and voltage loss calculations, use the appropriate size and number of wires to connect
from the panel’s Load Power Terminal Blocks to the heat-trace power junction box.
Heat trace cabl
TB- (Y)
CRM
TB*
SSR
contacts
circuit
breaker
Terminal
Block
junction
box
17
16
15
14
13
Cable-CT**
* Reference panel drawing for terminal block number
** Represents HTC circuit number 1-40
LCGF
CTM
connector
X
Fig. 2.2 Heat trace power wiring diagram
2.6.3 INCOMING/OUTGOING POWER WITHOUT DISTRIBUTION PANEL BOARD
Line Power Terminal Blocks
Locate the incoming power terminal blocks in the panel using the supplied elevation/layout
drawings and connect per the associated schematic drawing. Depending upon size and type of
the remotely located branch circuit breakers, use the appropriate size and number of wires to
connect directly to the Line Power Terminal Blocks.
Load Power Terminal Blocks
Locate the outgoing power terminal blocks in the panel using the supplied elevation/layout
drawings and connect per the associated schematic drawing. Depending upon size and type of
the remotely located branch circuit breakers, use the appropriate size and number of wires to
connect from the Load Power Terminal Blocks to the heater’s power connection box.
L1
LP
*
–L1
*
–T1
C
*
CB
*
CB
*
CTM–
*
CT GF CT
TB*
T1
TB*
Heat trace cable
o pole C.B.
N
N
*
–N
*
–N
N
L1
LP
*
–L1
*
–T1
C
*
CTM–
*
CT GF CT
TB*
T1
TB*
Heat trace cable
Line Power
Terminal Blocks
Load Power
Terminal Blocks
Line Power
Terminal Blocks
Load Power
Terminal Blocks
L2
LP
*
–L2
*
–T2
T2
* Reference panel drawing for terminal block number
Fig. 2.3 Single pole and two pole circuit breaker wiring diagrams
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