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Frequently Asked Questions
- Are Avtron load banks suitable for marine environments?
- Are load banks available on a highway trailer?
- Can a Three-Phase Portable Load Bank be used on a Single-Phase Application?
- Can Avtron load banks equipped with SIGMA network with third party load banks?
- Can I control my load bank with my PC?
- Can I link the load bank into my existing building management system?
- Can I perform high frequency testing using a load bank?
- Can I power controls and fans from internal supply or external power supply? Can I switch between the two?
- Can I rent your load banks?
- Can I use my load bank at voltages lower than the rated capacity?
- Can I use my own load bank software and can I create my own Modbus system?
- Can load banks be supplied with Quick Connectors in place of lugs?
- Can SIGMA LT work with capacitive load?
- Can SIGMA LT work with reactive load?
- Can SIGMA work with Medium Voltage load bank?
- Can we apply 208V to a 480V/240V the Loadbank and make it functional using the internal power for the controls and blowers? What is the resulting kW rating?
- Can you retrofit a SIGMA control to load bank that doesn’t have it?
- Do you offer cable storage reels?
- Do you sell power cables with the load banks?
- Does altitude affect the performance of the load bank?
- Does SIGMA offer diagnostic capabilities?
- How are load banks used in data centers?
- How are load banks used to test generator performance?
- How are load banks used to test power distribution systems?
- How are the load banks used in Engine Generator Tier IV applications?
- How can a load bank reduce generator emissions and improve backup power reliability?
- How can a SIGMA load bank control system streamline testing?
- How can auto load or site load settings be changed?
- How can I apply load to different types of circuits?
- How can load banks be protected from environmental conditions including inclement weather?
- How do I apply load on a SIGMA LT hand-held?
- How do I change the logo on SIGMA PC Software test reports?
- How do I change the settings on a SIGMA LT hand-held?
- How do I choose load bank controls? SIGMA LT vs SIGMA 2 controlled load bank options
- How do I connect the power cables to the load bank?
- How do I connect the wireless gateway?
- How do I connect wireless control to a Load Bank?
- How do I control individual SIGMA LT load banks in a network?
- How do I data capture on a SIGMA LT hand-held?
- How do I fix the load bank fan/blower motor if it is running in reverse?
- How do I get started using SIGMA LT?
- How do I know the correct trip setpoint of the overload relays for the blower motors of load banks?
- How do I operate SIGMA LT Hand-Held controller?
- How do I see status and events on the SIGMA LT hand-held?
- How do I set up a basic test using SIGMA 2 hand-held?
- How do I setup and print test reports on SIGMA PC Software?
- How do I update firmware on a SIGMA 2 hand-held?
- How do I update firmware on SIGMA LT?
- How do I use a Load Bank with a SIGMA 2 controller in Emergency Control Mode?
- How do I use a Load Bank with a SIGMA 2 controller in Emergency Control Mode?
- How do I use manual control on SIGMA PC software?
- How do I use the SIGMA 2 Hand-Held Controller?
- How do load banks communicate with control systems to modbus?
- How far can the remote control panel be from a load bank?
- How many control wires are needed between the Load Bank and the Control Panel?
- How many load banks can I connect with SIGMA 2?
- How many load banks can I connect with SIGMA LT?
- How should 8000 SERIES containerized load banks be shipped?
- How to connect multiple 2000 series SIGMA LT load banks using a hand held controller?
- How to connect Sigma LT and Sigma 2 load banks and control them altogether?
- How to limit the total load bank capacity on SIGMA LT load banks?
- How to maintain the 2000 series Load Bank?
- How to properly duct a permanent load bank from inside to outside the building?
- I want to return my faulty Load Bank or its parts to the factory for inspection and repair. What is the process and who do I contact to do so?
- I’m experiencing issues with my SIGMA PC software.
- Is it safe to operate Model 4800 Load Bank when it is raining?
- Is the camlok connection on the load bank male or female?
- Is there a -50° C option for 4800 load bank?
- Is there a 3-position selector switch (Internal-External-OFF) for fans & controls on 3000 series static load banks?
- My SIGMA 2 Load Bank Control Module is showing “n” code – “Load Bank firmware upgrade in progress” on the LED status display. What does that mean?
- What are basic operating components that make load banks work?
- What are best practices for maintaining load banks?
- What are some of the factors that could cause an Overtemperature condition?
- What are the available SCCR ratings?
- What are the control methods offered in SIGMA 2 load control?
- What are the control methods offered in the SIGMA LT range of load banks?
- What are the default settings for auto load?
- What are the dimensions of the radiator-mounted load bank?
- What are the discharge temperatures from load bank?
- What are the required clearances for airflow for permanent load banks?
- What does adaptive load correction do?
- What is a load bank?
- What is a SIGMA Load Control?
- What is non-unity power factor?
- What is required for extreme temperatures?
- What is required for high saline environment applications?
- What is site load correction?
- What is the difference between a resistive and reactive load bank?
- What is the difference between load bank series numbers?
- What is the difference between SIGMA 2 and SIGMA LT control?
- What is the IP rating of the 3000, 6000 & 8000 Series Load Banks?
- What is the maximum altitude I can use an Avtron Load Bank?
- What is the maximum recommended distance for controlling a Sigma 2 Load Bank(s)?
- What is the maximum recommended distance for controlling a Sigma LT Load Bank(s)?
- What is the paint colour of the 3000, 6000 & 8000 series load banks?
- What is the required CFM?
- What is the SIGMA Instrumentation System (SIS)?
- What is the SIGMA PC Software?
- What is the sound level of the load bank?
- What is the weight of radiator mount load bank?
- What safety device protects load bank operations?
- What software do I use if I have SIGMA LT?
- What type/size camlok connection do I need for load cables?
- When do I need to test with a capacitive load bank?
- When do you use auto load correction vs site load correction?
- Where can I find Load Bank general anchoring guidelines for 4100, 4500 & 4800?
- Where can I find specifications for load banks?
- Where do I connect my wires inside my load bank for a remote load dump?
- Where does the Current Transformer (CT) get installed for the Auto Load Control (ALC)?
- Where is the CT (current transformer) placed for site load correction?
- Where should the High “H1” side of the Auto Load Controller CT face?
- Why can't I have a specific capacity at ALL voltages?
- Why do I need to disconnect the control transformer as per installation checkout procedure on 4000 series load bank equipped with Control Power Transformer?
- Why is it so expensive to modify a load bank in the field?
- Why is there an “ERR CFG” message on the SIGMA LT display?
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How do I know the correct trip setpoint of the overload relays for the blower motors of load banks?
Locate the Serial Number/Sales Order Number/Model Number on the load bank nameplate and reach out to Avtron Technical Support to verify the correct setpoint for the overload relays. If the relay has a manual/automatic reset selector, always set it to manual reset.