The electrical design, installation and inspection in USA is governed by the National Electrical Code (NEC), or NFPA 70, standard.When on utility power, I read 115V on L1-G, 115 on L2-G and 230 on L1-L2.When on battery, I get 80V on L1-G, 140 on L2-G and 230V on L1-L2.
I thought it was a problem with the UPS, so I just received another chassis. The line and neutral wires are not reversed in the wall outlet. Manager) There are feedback circuits from the output receptacles to the input. Plug in some load e.g. Are you using UPS model that is dedicated to your geographical region Yes, both units were North America (I am in Florida) Have you correctly configured both utility input voltage and frequency I have tried setting th voltage to both 230 and 240 from the front panel Have you configured the segments I am only using the single L6-30 output from the UPS, but I get the same readings from the C19 connectors on the rear. I am not aware of any utility that can configure the output voltages of the UPS. Have you run the checks Have you read power logs The only check I have is the battery test. There are no fault messages in the logs I have measured the voltage both with and without loads. I am using this to power (4) HP DL380 servers, (2) Cisco 5020 switches. When I disconnect power from the UPS and it goes on battery, the voltage changes as I indicated. I have had the load at 25 and up to 50 with the same readings. This power inbalance only occurs when on battery. Have you correctly configured both utility input voltage and frequency I have tried setting the voltage to both 230 and 240 from the front. Are you using voltmeter or do you read voltage from the HP Power Management. Software (HP Systems Insight Manager) Do you have HP Power Management Software (HP Systems Insight Manager). As I stated, everything works fine when on site power, it is only on battery power that the voltages are out. That should exclude anything from site main power, should it not.Also, I have had the utility power tested and everything tests out proper. These are the overgrown cans, which blow up in arches of sparks when aliens are coming in movies. Permissible continuous loads are recommended to be not more than 80 120 V x 12 A 1440 VA of the branch circuit electric current rating. Hence the need for the 240 V, where you can connect more power hungry appliances.
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