EM500 Open-Loop Vector Control Inverter User Manual 138 F19.16 Running Mode at Fault See F19.04 Parameter Description 0 × F19.17 Working Time at Fault h 0 × F25 Application of water supply basic groups F25.00 Run Mode Selection 0：The basic mode of constant pressure water supply 1：Not Used 0 〇 F25.01 Not Used F25.02 Upper Limit Pressure F25.03~F09.03 % /MP a 100.0 〇 F25.03 Lower Limit Pressure 0.1~F25.02 % /MP a 0.1 〇 F25.04 Overpressure alarm pressure of pipe networks 0.1~F09.03 % /MP a 100.0 ● F25.05 Under-voltage alarm pressure of pipe networks 0.1~F09.03 % /MP a 0.1 ● F25.06 overpressure And under-voltage protection action time 0~3600 s 500 ● F25.07 ~ F25.15 Not Used F25.16 H Pump Definition 0:
No H Pump 1: H Pump is Sewage pump 2: H Pump is primary pump(Only when F25.00=0) 0 〇 F25.17 I Pump Definition 0: No I Pump 1: I Pump is Auxiliary(Sleep) pump 2:I Pump is Emergency pump (Only when F25.00=0) 0 〇 F25.18 Not Used F25.19 Electromagnetic switch switching time 0.1~5.0 S 0.5 〇