Burner System Management

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Set the air/fuel ratio curvepoints as described on chapter “Programming the LMV2x” Note: the other phases are Ph60 = operation (OP= in modulation) Ph62 = travelling to shutdown Ph70 = off but in prepurge after the burntime Ph72 = travelling to postpurging Ph74 = postpurge (countdown is displayed) Press ESC the parameter “546” (Setting the maximum load) is displayed Then press to exit the programming mode. The display will show: Press for a second time: the display will show the load percentage the burner is working at. When the generator reaches the programmed set-point, the burner will be in stand-by: the display will show 22
Reset / manual lockout The system can be manually locked by simultaneously pressing the ENTER (InFo) button and any other button on the AZL2.... This function allows the user to stop the system from the operating level should an emergency occur. When making a reset, the following actions are carried out: Alarm relay and the fault display are off the lockout position is cancelled the unit performs a reset, then it switches to stand-by If the unit is in the lockout position, a reset can be made by pressing the InFo button for 1…3 seconds. The function is available only when the unit is in the lockout position. Longer or shorter pushes on the button do not produce a reset so that the system maintains the lockout position. Codice errore / Error code Codice diagnostico / Diagnostic code Descrizione / Meaning 167 2 Blocco manuale tramite AZL2.. / Manual lockout via AZL2… Timeout for menu operation The time for automatically leaving the parameter setting level can be adjusted between 10 and 120 minutes, using the parameter 127 (Timeout for menu operation). If, during that period of time, there is no operation via the AZL2..., the parameter setting level is quit and the password level reset to Info / Service. Caution! In addition, this timeout or interruption of communication between the LMV2.. and the AZL2... during the time the curves are set leads to lockout! Codice errore Error code Codice diagnostico Diagnostic code DescrizioneMeaning 167 8 Blocco manualeManual locking Entering the Parameter levels By means of a proper use of the keys, it is possible to enter the various level parameters, as shown in the following flow chart: The burner and consequently the LMV2x.. are factory set; the air and fuel curves as set as well. 23
Page 1 and 2: AZL2x - LMV2x Burner System Managem
Page 3 and 4: WARNINGS THIS MANUAL IS SUPPLIED AS
Page 5 and 6: MICROPROCESSOR CONTROLLED SYSTEM Th
Page 7 and 8: Parameters level (heating engineer)
Page 9 and 10: Block 200: Burner control Param. De
Page 11 and 12: 246 261 262 265 266 267 269 270 271
Page 13 and 14: ATTENTION: as for SQM3x actuators,
Page 15 and 16: COMMISSIONING THE BURNER The LMV2x
Page 17 and 18: Lo 3-stage In the example the Gmod
Page 19 and 20: Warm setting 1 Once pressed ENTER (
Page 21: BURNER STARTUP WITH LMV2x ALREADY P
Page 25 and 26: 10 Press InFo for more than three s
Page 27 and 28: PHASES LIST Fase / Phase Funzione F
Page 29 and 30: 29 Error code Diagnostic code Meani
Page 36: C.I.B. UNIGAS S.p.A. Via L.Galvani,

Burner System Management

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