Preventive Maintenance1-3Figure 1-1. The solution for switching the power terminal connection of a transformerInput powerSingle phase AC220V Power Consumption: 6.3 KVA (Maximum) Frequency: 50 / 60 HzDangerIf unspecified voltage is used or power input is changedimproperly, fire could occur and a death from electric shockcould occur.Change of power input must be done by a trained repair andmaintenance operator or our authorized C/S personnel.1.2.3. Environmental conditions During operation Temperature: +10 ℃ ~ +35 ℃ Humidityà Less than 50% RH (35 ℃)à Less than 90% RH (20 ℃) During shipment or storage (in states other than during operation) Temperature: -10 ℃ ~ +60 ℃ Humidity: 20% RH ~ 90% RH (non-condensation state)