King-electric GPT 3 Manuel d'utilisateur

We manage heat®®Model GPT–3Freeze Protection ThermostatPart Number 19425Installation and Operation ManualEnvironmental Technology, Inc.1850 N Sheridan

Page 10 of 21OperationNormalThe GPT–3 requires little or no attention after installation. Although changing the temperature setting can improve heatin

Page 11 of 21LocationThe GPT–3 is suitable for indoor or outdoor mounting on a vertical surface. Although the NEMA 3R rated housing is strong and dura

Page 12 of 21wire size of 10 AWG with, minimum, 300 volt insulation rated for at least 75ºC.Figure 2 shows a pictorial wiring diagram of the heater an

Page 13 of 21GPT®–3TRACON®GFEPFAULTSUPPLYHEATERGFEPRESETTESTHEATERFAULTTemperature2015685925771055041°C°FWe Manage Heat®http://www.networketi.come-mai

Page 14 of 21connection of the two sensors. The GPT–3 comes factory set for self-limiting cable.Systems using constant-wattage heaters require only on

Page 15 of 21Custom SettingsGeneralThe performance of the GPT–3 can be adjusted to match the needs of the application using the DIP switch as shown in

Page 16 of 21CurrentThe GFEP current setting can be increased from its factory set 30 mA value to 120 mA in 30 mA steps. The higher current settings s

Page 17 of 21MaintenanceGeneralThe GPT–3 does not require routine maintenance. It contains no field replaceable components.TroubleshootingThe GPT–3 pr

Page 18 of 21GPT®–3TRACON®GFEPFAULTSUPPLYHEATERGFEPRESETTESTHEATERFAULTTemperature2015685925771055041°C°FWe Manage Heat®http://www.networketi.come-mai

Page 19 of 21Appendix B. GPT–3 wiring diagram.GPT®–3TRACON®GFEPFAULTSUPPLYHEATERGFEPRESETTESTHEATERFAULTTemperature2015685925771055041°C°FWe Manage He

DISCLAIMEREnvironmental Technology, Inc. makes no representations or warranties, either expressed or implied, with respect to the contents of this pub

Page 20 of 21Appendix C. Control and monitor sensor connections for self-limiting heaters.GPT®–3TRACON®GFEPFAULTSUPPLYHEATERGFEPRESETTESTHEATERFAULTTe

Page 21 of 21Appendix D. Control and monitor sensor connections for constant wattage heatersGPT®–3TRACON®GFEPFAULTSUPPLYHEATERGFEPRESETTESTHEATERFAULT

Page 3 of 21Table of ContentsSafety 7Contacting Environmental Technology 7General 7Introduction 7Specifi cations 9Operation 10Normal 10Abnormal 10Ins

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Page 5 of 21Index of FiguresFigure 1. GPT–3 dimensional drawing 8Figure 2. GPT–3 wiring diagram 11Figure 3. Control and monitor sensor connections f

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Page 7 of 21SafetyMake all electrical connections in compliance with the National Electric Code (NFPA 70) and local electrical code. If you have quest

Page 8 of 21the control sensor temperature, the GPT–3 may momentarily declare a cold heater.The GPT–3 automatically executes a self-test every 24 hour

Page 9 of 21Specifi cationsControlRange: 41° to 77°F (5° to 25°C)Dead band: 2°F (1°C)ElectricalSupply: 120, 208, 240 or 277 volts auto-sel