Thermon TraceNet TCM 18 - Manual (Page 37)

Touch Pad Key
Sequence Programmable Circuit Functions
PROG plus
MAINTAIN TEMP This display screen indicates the heat tracing circuit
number selected. Using the UP or DOWN arrow, select
the desired circuit number or ALL and press ENTER.
The flashing cursor now moves to the temperature
control set point (maintenance temperature).
Press
the UP or DOWN keys to change the present setting.
Press the ENTER key to accept the new value.
Temperature control setting range limits are -200 ◦ F to
1112 ◦ F (-129 ◦ C to 600 ◦ C). Note that the temperature
control setting may not be set lower than the low
temperature alarm value nor higher than the high
temperature alarm minus the control band value.
Press the PROG key at any point to exit from this se-
quence. If left in the program mode, the TCM18 will af-
ter a short wait automatically return to the SCAN mode.
PROG plus
CONTROL BAND This display screen allows the programming of the tem-
perature control band and control method parameters
for each of the eighteen circuits individually or for all cir-
cuits (in the case the value is identical). Control band
width setting range is 1 to 320
◦ F or 1 to 178 ◦ C. Note
also that the control band cannot be set at a value
greater than the high temperature alarm value minus
the maintain temperature. The selectable options for
control methods are ON/OFF, SOFT START, or PRO-
PORTIONAL. Noting the location of the flashing cursor,
press the UP or DOWN keys to change the present set-
tings. Press the ENTER key to accept the new values.
33 PN 50316_0514