Unigas HRX2060, Manual Of Installation - Use - Maintenance

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1 WIRING RECOMMENDATIONS ............................................................................................................................................................................................... 4
1.1 Earthing ........................................................................................................................................................................................ 4
1.1.1 TN earthing system ............................................................................................................................................................. 4
1.1.2 Protective Earth (PE) and Functional Earth (FE) .................................................................................................................. 4
1.2 .Frequency inverter / Variable Speed Drive (VSD) ......................................................................................................................... 5
1.3 Ignition electrodes and transformers ............................................................................................................................................. 5
1.3.1 Recommendations .............................................................................................................................................................. 6
1.3.2 Shielding ............................................................................................................................................................................. 6
1.4 Wireway and electrical conduit ...................................................................................................................................................... 7
1.4.1 Servomotor wiring example ................................................................................................................................................. 9
1.4.2 Bus cable wiring on LMV5x and AZL doors. ........................................................................................................................ 9
1.4.3 EARTH connection example................................................................................................................................................ 9
2 AZL display/programming unit ................................................................................................................................................................................................. 10
2.1 LMV5x program operating phases .............................................................................................................................................. 11
2.2 LMV5x program structure ............................................................................................................................................................ 12
2.3 Burner ID number ....................................................................................................................................................................... 13
2.4 Password .................................................................................................................................................................................... 14
2.4.1 Access to service levels by password ................................................................................................................................ 14
2.4.2 Password Logout............................................................................................................................................................... 14
2.4.3 Changing password. .......................................................................................................................................................... 14
3 Thermostatic series and safety loop ........................................................................................................................................................................................ 15
4 Actuators .................................................................................................................................................................................................................................. 16
4.1 Addressing the actuators ............................................................................................................................................................ 16
4.2 Actuator doors configuration ....................................................................................................................................................... 17
4.3 Setting the actuator speed .......................................................................................................................................................... 17
5 Setting the load controller ........................................................................................................................................................................................................ 18
6 Setting the probes and set-points ............................................................................................................................................................................................ 19
6.1 Configuration of a temperature probe at X60 door ....................................................................................................................... 19
6.2 Configuration of a pressure or a temperature probe type at X61 door ......................................................................................... 20
6.2.1 Configuration of a pressure or a temperature probe signal at X61 door ............................................................................. 20
6.3 Configuration of the X62 door input signal ................................................................................................................................... 20
6.4 Setting the setpoint and the burner and the PID operative band. ................................................................................................. 21
6.4.1 Set-point ............................................................................................................................................................................ 21
6.4.2 SD_ModON e SD_Mod Off................................................................................................................................................ 21
6.4.3 PID control parameters...................................................................................................................................................... 22
6.5 Setting functions “TL_ThreshOff” and “TL_SD_On” ..................................................................................................................... 23
7 VSD Standardization ................................................................................................................................................................................................................ 24
8 SPECIAL POSITIONS ............................................................................................................................................................................................................. 25
8.1 Ignition position ........................................................................................................................................................................... 25
8.2 Prepurge position ........................................................................................................................................................................ 25
8.3 Home position ............................................................................................................................................................................. 25
8.4 Postpurge position ...................................................................................................................................................................... 25
9 ADJUSTING THE AIR/FUEL RATIO CURVES ....................................................................................................................................................................... 26
9.1 Fuel burner settings - curve-points .............................................................................................................................................. 26
9.2 Setting the load points output (burners with no FGR) .................................................................................................................. 27
10 Configurations for burner with FGR ......................................................................................................................................................................................... 30
10.1 Recommendations ...................................................................................................................................................................... 30
10.2 Address and activate the AUX3 servomotor. ............................................................................................................................... 31
10.3 Setting the special positions ........................................................................................................................................................ 32
10.4 Setting the load controller mode: see the previous chapter (regolazione senza FGR) ................................................................. 32
10.5 FGR mode choice ....................................................................................................................................................................... 33
10.6 Main parameter of the FGR function ........................................................................................................................................... 34
10.7 Example of FGR factor and FGR Maps Factor on the burner regulation. ..................................................................................... 35
11 Cold start thermal shock (CSTP) ............................................................................................................................................................................................. 36
12 BURNER MANUAL OPERATION ........................................................................................................................................................................................... 38