Mike Dolt Enterprises
Mike Dolt Enterprises
User: Ron_B, Location: Massachusetts
Asked on: Monday, March 21, 2011 at 3:17 pm EDT
Answered on: Tuesday, May 14, 2024 at 3:04 am EDT
Question: I have a 460v Chromalox CVEP Hazardous heater that is inside a hazardous container that houses 55 gallon drums. The heater contains its own contactor, transformer, and thermostat, but it is very inconvient to get to. I want to be able to control this heater using another more convient to get to thermostat. Is there a way to wire this and would I need another contactor to protect my remote thermostat?
Wiring Diagram
Materials
Remote thermostat Additional contactor (optional) Wiring
Steps
1.
Disconnect power to the heater.2. Remove the cover of the hazardous container to access the heater's thermostat.3. Disconnect the existing thermostat wires from the heater.4. Connect the wires from the remote thermostat to the terminals on the heater where the existing thermostat wires were connected.5. If using an additional contactor for protection
- Install the contactor in a convenient location.- Connect the power supply to the contactor's line terminals.- Connect the heater's power wires to the contactor's load terminals.- Connect the coil terminals of the contactor to the remote thermostat's output terminals.6.
Securely fasten all connections.7. Restore power to the heater and the remote thermostat.Protection
Using an additional contactor provides an extra layer of protection for your remote thermostat. It ensures that power is only supplied to the heater when the remote thermostat is calling for heat, preventing damage to the thermostat.
Note: Verify that the voltage and current ratings of the remote thermostat and contactor (if used) are compatible with the heater. Always follow proper electrical safety procedures and consult a qualified electrician if you are not comfortable performing the wiring. Reinstall the cover of the hazardous container securely after completing the wiring. Flag for review