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South Bend, Indiana USA 

 |

  networketi.com

PT-SINGLE

 INSTALLATION MANUAL  |  PART NO. 

25166

 REV 

D

2

instructions contained in this manual and those provided 

by the heater manufacturer.

Size  the  circuit  breaker  appropriately  for  the  expected 

load  and  inrush  current.  The  maximum  rated  current 

for the 

PT-SINGLE

 is 30 amps with resistive load.

Heater loads and their controls should not share a circuit 

branch with other types of equipment. A shared circuit 

may result in electromagnetic interference that can affect 

system operation.

Make certain that the heater shield is properly grounded. 

Failure to do so may result in damage to the equipment 

or fire.

Following installation and prior to beginning system 

operation, refer to and perform the Post-Installation Test 

described in this manual.

ITEMS INCLUDED

QTY. 

P/N 

DESCRIPTION

25170 

TRACON MODEL 

PT-SINGLE

  

Single-Point General Purpose 

Heat–Trace Control

25076 

Temperature Sensor

25299 

PT-SINGLE

 Installation Sheet

OVERVIEW

The  TRACON 

PT-SINGLE

  Heat–Trace  Control  is  a  single–

point  microprocessor–based  heat–trace  control 

thermostat.  It  is  ideal  for  applications  which  require 

Ground–Fault 

Equipment  Protection  (GFEP).  Ideal  uses 

include  freeze 

protection,  hot  water  temperature 

maintenance,  grease  line  trace,  tank  heating,  and  other 

temperature monitoring and control applications. The 

PT-

SINGLE

 and its heater load can operate with an available 

line voltage source of 100 –

 

277 V ac. The controller and 

heater  load  share  the  same

 

supply  connection.  The 

internal load contactor is rated to

South Bend, Indiana USA 

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switch up to 30 A resistive. The Integral GFEP provides 

safety in compliance with national and local electrical 

codes. The unit’s housing is a NEMA 4X IP66 weather–

resistant enclosure for enhanced durability.

FEATURES AND BENEFITS

•  Adjustable temperature setpoint allows precise control

of a wide range of processes

•  Can use an NEC Class 2 temperature sensor with up to

2,000 ft. cable for enhanced installation options

•  Thermistor temperature sensor with 20 ft. cable included

for applications of −40 °F to 230 °F (−40 °C to 110 °C)

• RTD input allows higher accuracy and extreme–

temperature applications

•  The unit can accommodate RTD sensors with 3–wire

configuration

• Temperature display for accurate adjusting and

monitoring

• Load current display for accurate adjusting and

monitoring

• Ground fault current display for accurate monitoring,

protection, and alarm

• Adjustable alarm thresholds for excess ground fault

current, load current, and temperature

• Alarms indicated with panel display and relay contact

for remote signaling

• A Fault Mode setting which can be set to energize or de-

energize the heaters during a sensor failure

• Fire Protection Mode maintains heater operation for use

in critical fire protection systems

• Durable weather–resistant NEMA 4X IP66 enclosure

permits indoor or outdoor installation

The 

PT-SINGLE

 is permanently connected equipment 

and does not have an internal disconnect device. The

 

installer must provide an accessible disconnect device, 

with short circuit and overcurrent protection (these are

 

not supplied by Environmental Technology Inc). When 

power is applied, the system will start.

Содержание TRACON PT-SINGLE

Страница 1: ...l Odor or Smoke In the event of smoke or a burning or abnormal odor immediately interruptpowertotheunitbyturningoff thecircuitbreakerprotecting the unit Electrical Shock Fire Hazard Any installation i...

Страница 2: ...nection The internal load contactor is rated to South Bend Indiana USA networketi com switch up to 30 A resistive The Integral GFEP provides safety in compliance with national and local electrical cod...

Страница 3: ...e only Listed Type 4X IP66 liquid tight conduit hubs or cable glands Connect the hub to the conduit system before connecting the hub to the enclosure The unit comes with two installed liquid tight cab...

Страница 4: ...PST contacts rated for heater loads up to 30 A ac and 277 V ac These two contacts are used to control both legs of the input power Line and Neutral Manual Load Test To manually energize the load selec...

Страница 5: ...to 230 F 40 C to 110 C See Figure 5 for proper wiring when using a thermistor sensor RTD The unit can use an RTD sensor for applications requiring a wider temperature range The PT SINGLE can operate...

Страница 6: ...contact to open to signal an alarm or power off condition then connect the other alarm relay lead to the NO Normally Open terminal If the unit has power and there are no alarm conditions then the NO...

Страница 7: ...en the heater is energized LOW TEMP indicator This blue LED indicates when sensors detect temperature has fallen below the Low Temp Alarm threshold ALARM indicator This red LED indicates when there is...

Страница 8: ...Load Current alarm you must view the Load Current Display screen Note If the heater relay is off the ground fault number is NOT shown Temperature Display screen Indicates the current temperature in Fa...

Страница 9: ...eens that display multiple fields there are two columns The left column displays the name of the parameter and the right column displays the current value Initially one of the fields in the left colum...

Страница 10: ...South Bend Indiana USA networketi com PT SINGLE INSTALLATION MANUAL PART NO 25166 REV D 10 FIGURE 10 Setting screen sequence...

Страница 11: ...High temperature alarm delay 0 s to 3000 s Default 300 s Low current alarm threshold 0 0 A to 10 0 A Default 0 1 A Enabled Low current alarm delay 0 s to 300 s Default 5 s Enabled High current alarm t...

Страница 12: ...to mark the Return Merchandise Authorization clearly on the outside of the shipping container so that it may be correctly processed upon receipt at Environmental Technology For more information about...

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