i-therm Px-428 User'S Operating Manual Download Page 10 | Manualshive

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Summary of Contents for Px-428

Page 1: ...ads v Circuit breaker and appropriate fuses must be used for v The controller must be wired as per wiring diagram it to high voltage surges of extended duration high current power cables Where it is i...

Page 2: ...1 For SP programming 2 To access Control mode 3 To access Configuration mode along with UP key 4 To scroll the parameter to store its value 1 To increase alter parameter value in program mode 2 To ent...

Page 3: ...ed as soak timer Controller starts the execution of soak time as per the mode selected Soak timer can be programmed using four different time base in Config List 1 Either absolute auxiliary control or...

Page 4: ...Output1 is configured for Heat Cool SP set point will be consider as SP Gap1 for heating This parameter will be prompted only if selected control mode for output2 is Auxiliary control or an Alarm The...

Page 5: ...ut is ON PV decreases when output is ON User can select cooling logic in which OP1 will remain ON till PV SP This parameter will be prompted only if selected input is RTD or RTD 1 and is used for BOD...

Page 6: ...vated By pressing DOWN key Lower display will Toggle between SP1 value SP2 value Alarm SP Value AL SP Timer value SOAK By this parameter Lower display will only show the SP1 value By this parameter Lo...

Page 7: ...ompletion of current soak time cycle 1 At every Power ON 3 Power failure during soak time is in progress In this Mode Timer will start only after pressing START key for 3 sec PV SV for any of the foll...

Page 8: ...will Disable Alarm O P at power ON If this parameter is set as NO Alarm condition persists it will Enable Alarm O P at power up Once the Alarm is activated User has following three options to de activ...

Page 9: ...remains OFF till actual temperature drops down in Heat Logic or raises in Cool Logic equal to hysterisis set by user As shown in Fig 3 1 3 2 If the control performance by using auto tuning is still u...

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Page 12: ...remains OFF till actual temperature drops down in Heat Logic or raises in Cool Logic equal to hysterisis set by user As shown in Fig 3 1 3 2 2 Substantial change in SP from previous auto tuning value...

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