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TRACE

MATE-277V

ELECTRONIC THERMOSTAT

P/N: 1501-0013_1 TMII-277V 02/09 Printed in Canada

Nextron Corporation 6120 11

th

Street S.E., Calgary,

Alberta, T2H 2L7, Tel:(403) 735-9555, Fax: (403) 735-9559

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Содержание Tracemate-277V

Страница 1: ...TRACEMATE 277V OPERATOR S MANUAL ELECTRONIC THERMOSTAT ISO 9001 Registered ...

Страница 2: ...and Cabling 2 3 Power Wiring 2 3 Heater Wiring 2 3 Ground Connection 2 3 RTD Sensor Wiring 2 3 Alarm Wiring 2 4 3 Applications 3 1 Mechanical Thermostat Replacement 3 1 Alarm Annunciator 3 1 Switching Requirements 3 1 4 Operation 4 1 Alarms 4 1 Status Indicators 4 1 Alarm Reset 4 1 Heater Setpoint and Alarm Setpoints 4 1 5 Testing 5 1 Troubleshooting System Integrity 5 1 Calibration 5 1 Ground Fau...

Страница 3: ...ng 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 Re quirem ents TraceM ate 27 7V F ea ture s Te m p era t...

Страница 4: ...nt derated Conformal Coating Boards conformal coated for hostile environments Altitude 0 2000m User Definable Options Heater Setpoint Low Temperature Alarm Setpoint High Temperature Alarm Setpoint 0 C 511 C 1 C steps 0 F 511 F 1 F steps Temperature Units 0 C or F Current Fail Alarm Setpoint 0 0A 30 0A 1 A steps Ground Fault Trip Alarm Setpoint 0mA 511mA 1 mA steps Enclosure Type E5 Nema 4X steel p...

Страница 5: ...arm setpoint in mA AMP Setpoint Number generated by S1 9 is divided by 10 and interpreted as current fail alarm setpoint in A SP Setpoint Number generated by S1 9 is interpreted as heater setpoint in C or F NONE Setpoint Number generated by S1 9 has no effects on any setpoints Warning The ground fault trip function is intended for equipment protection only and should not be used in place of ground...

Страница 6: ...2 2 TRACEMATE 277V Chapter 2 Installation Figure 2 1 TraceMate 277V Controls and Indicators Figure 2 2 Typical Wiring Diagram ...

Страница 7: ... Temperature C 6 30 50 8 30 40 10 24 50 12 16 50 The supply voltage must be 277VAC for TM 1SIH1 E5 RTD 277V Single pole TM 1DIH2 E5 RTD 277V Dual pole and rated voltage range of the heat trace cable Wiring methods must conform to Class 1 Division II or Class 1 Zone II requirements Heater Wiring Connect heating cable wiring to terminals 3 and 4 See Figure 2 2 If the heating cable has a braid it sho...

Страница 8: ...m Wiring TraceMate 277V has a form c dry alarm and an active alarm output for driving an LED alarm indicator The alarm LED output is configured to turn on the alarm indicator when there is no alarm Refer to Figure 2 2 for alarm output terminals The form c dry alarm contact is rated 0 1A 30Vdc The alarm LED output is rated 6Vdc 50mA It can drive a 6Vdc LED indicator These alarm contact and output a...

Страница 9: ...ent of a problem Alarm Annunciator If an alarm annunciator or programmable controller is available terminal 10 11 12 can be used as a low cost digital interface These terminals are form c dry con tacts A separate voltage source must be connected across these terminals as shown in Figure 3 2 for the annuncia tor to sense the alarm logic Switching Requirements Two different TraceMate 277V models are...

Страница 10: ...e shut off after a ground fault it is very important that the alarm outputs be used so corrective action can be taken quicklyenough to prevent a process shutdown due to the loss of heat to a pipe Ground fault detection only works with resistance or solidly grounded systems If the system is ungrounded it must be grounded or an artificial ground must be created by means of a zip zag transformer Once...

Страница 11: ...ber generated by S1 9 is interpreted as the high temperature alarm setpoint in C or F The factory default value is 100 C Ground Fault Trip Alarm Setpoint If the jumper on JP1 is at GF position the Setpoint Number generated by S1 9 is interpreted as the ground fault trip alarm setpoint in mA The factory default value is 30 mA Current Fail Alarm Setpoint If the jumper on JP1 is at AMP position the S...

Страница 12: ...can be verified by adjusting the heater setpoint dip switch 2 C above and below a known temperature on the RTD input to see if the heater turns on and off For example if the RTD input temperature is 25 C setting the heater setpoint to 27 C will force the heater on and conversely a 23 C setpoint will force the heater off By substituting a known resistor value for the RTD sensor and looking up the e...

Страница 13: ...round fault sensor as a ground fault Size the resistor according to the table to ensure sufficient ground fault current of 30mA 25 Heater Voltage 110 240 277 AC Volts Resistance 2700 6200 6800 Ohms Wattage 5 10 15 Watts Voltage Rating 250 500 500 DC Volts 4 Apply power The ground fault indicator should come on after a short delay It should not be possible to turn on the heater even if the actual t...

Страница 14: ...OVIDED FOR IN WRITING IN THIS WAR RANTY EACH CONTROL IS PROVIDED WITHOUT ANY WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED IN PARTICULAR WITH OUT LIMITING THE GENERALITY OF THE FOREGOING THE FOLLOW ING IMPLIED WARRANTIES AND CONDITIONS ARE EXPRESSLY DIS CLAIMED a ANY IMPLIED WARRANTY OR CONDITION THAT THE CON TROL WILL MEET YOUR REQUIREMENTS b ANY IMPLIED WARRANTY OR CONDITION THAT THE OP ERATI...

Страница 15: ...TRACEMATE 277V ELECTRONIC THERMOSTAT P N 1501 0013_1 TMII 277V 02 09 Printed in Canada Nextron Corporation 6120 11th Street S E Calgary Alberta T2H 2L7 Tel 403 735 9555 Fax 403 735 9559 ...

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