TRACE
MATE-277V
1.1
Product Overview
Introduction
The TraceMate-277V solid state heat tracing control is an
electronic thermostat designed to maintain a single heater
at a desired setpoint temperature. It is suitable for use
with mineral-insulated, self-regulating or constant-
wattage cable in applications such as freeze protection,
process control and instrument tracing. The TraceMate-
277V is intended for indoor or outdoor installation in
ordinary or class 1, division 2 hazardous locations.
TraceMate-277V offers many advantages over other heat
tracing control schemes, which generally use some
combination of mechanical thermostats, custom-built
panels or programmable controls to provide control,
monitoring and alarm functions. Wiring costs are mini-
mized by mounting the control in close proximity to the
heat tracing cable and pipe. A NEMA 4X enclosure and
wide temperature range electronic components are used to
make mounting possible in most locations. Temperature
sensing is achieved by mounting a 100 ohm platinum
(DIN 43760) RTD sensor on the pipe. Heater current is
controlled by a solid state switch rated 30A. The
temperature setpoint is digital for fast non-ambiguous
setting over a wide range. Maximum system reliability is
obtained from a comprehensive alarm package which
includes indicators for quick fault identification and a
ground fault trip to minimize fire hazards.
By combining the control, system monitoring and testing
requirements of a heat trace control system into a general
purpose control, the TraceMate-277V makes it possible to
significantly upgrade systems at low installed cost. In
addition, it is very flexible in its application to adapt to
specific user requirements.
Conventions
The following conventions are used in this manual:
Features and Benefits
R e q u i re m e n ts
Tra c e M a te -2 7 7 V F e a ture s
Te m p e ra ture
C o n tro l
*
*
*
*
0 -5 1 1 °C /0 -5 1 1 °F s e tp o i n t
N o n -a m b i g uo u s , d i g i ta l te m p e ra tu re
s e tp o i n t
1 0 0 o h m p la ti n um R TD s e n s o r
3 -w i re , le a d re s i s ta n c e c o m p e n s a ti o n
S ys te m F a ult
A la rm s
*
*
*
*
*
*
B re a k e r le ft o ff o r tri p p e d
H e a te r c o nti n ui ty o r lo w c urre n t
G ro u nd fa ult tri p
L o w te m p e ra tu re
H i g h te m p e ra tu re
B ro k e n s e ns o r
E a rly W a rn in g
*
*
*
Tra c e c h e c k e xe rc i s e s d o rm a n t
s ys te m s e ve ry 2 4 h o u rs fo r e a rly
w a rn i ng to p re ve n t s hu td o w n s
S ta tu s in d i c a to rs s ho w c a u s e o f
a la rm s
S e p a ra te fa i l-s a fe lo c a l a n d re m o te
a la rm s
R e m o te
M o n i to ri n g
*
*
F o rm C a la rm d ry c o n ta c t o u tp u t fo r
a la rm i nd i c a ti o n
L E D A la rm in d i c a to r vi e w a b le o n
d o o r
H a za rd o us /
O rd i n a ry A re a
M o u n tin g
*
*
*
*
C S A a p p ro ve d fo r o rd i na ry o r C la s s
1 , D ivi s io n 2 , G rp s A ,B ,C ,D
h a za rd o us a re a
-4 0 ° to + 5 0 °C o p e ra ti n g ra n g e
3 0 a m p s @ 2 7 7 V A C ra ti n g
W e a the rp ro o f, N e m a -4 X e n c lo s u re
E a s y re tro fi t re p la c e m e n t fo r
m e c h a n i c a l the rm o s ta t
L o w Ins ta lle d
C o s t
*
*
*
*
C o m p e ti ti ve ly p ric e d
S e lf c o nta in e d , n o c o n tro l p a n e l to
b ui ld
G ro u nd fa ult tri p e li m i n a te s e xp e n s ive
g ro u nd fa ult c i rc u i t b re a k e r
S ta n d a rd m o d e l s i m p li fi e s s p a re
p a rts s to c k i n g
