Riello MO550-BWG Installation, Use And Maintenance Instructions page 23

1 General warnings ....................................................................................................................................................................... 2
1.1 Guarantee and responsibility....................................................................................................................................... 2
1.2 Installation safety notes............................................................................................................................................... 2
1.3 Notes on safety for the electrical wiring....................................................................................................................... 2
2 Installation .................................................................................................................................................................................. 3
3 Electrical data and operating times.......................................................................................................................................... 4
3.1 Electrical characteristics.............................................................................................................................................. 4
3.2 Operating times ........................................................................................................................................................... 4
3.3 Wiring diagram (one-stage version with heater).......................................................................................................... 5
3.4 Operating programme (one.stage version with heater)............................................................................................... 6
3.5 Wiring diagram (two-stage version without heater) ..................................................................................................... 7
3.6 Operating programme (two-stage version without heater) .......................................................................................... 8
3.7 Table of times.............................................................................................................................................................. 9
3.7.1 Operating status indication.......................................................................................................................................... 9
3.7.2 Fault diagnostics - lockouts ....................................................................................................................................... 10
3.7.3 Fuel pre-heating function (only for suitable applications) .......................................................................................... 10
3.7.4 Shut-down test .......................................................................................................................................................... 10
3.7.5 Intermittent operation ................................................................................................................................................ 10
3.7.6 Recycle and limit of repetitions.................................................................................................................................. 11
3.7.7 Presence of an extraneous light or parasite flame .................................................................................................... 11
3.7.8 Pre and post-ignition of the discharge of the ignition transformer ............................................................................. 11
3.7.9 Reset by button and remotely of the burner .............................................................................................................. 11
3.7.10 Protection reset ......................................................................................................................................................... 11
3.7.11 Reset button/Remote reset fault................................................................................................................................ 11
3.7.12 External lockout signal (S3)....................................................................................................................................... 11
3.7.13 Hour counter function (B4) ........................................................................................................................................ 11
3.7.14 Monitoring the power supply voltage......................................................................................................................... 12
3.7.15 Frequency supply error ............................................................................................................................................. 12
3.7.16 Internal voltage fault .................................................................................................................................................. 12
3.7.17 Checking the fan motor ............................................................................................................................................. 12
3.7.18 EEprom check ........................................................................................................................................................... 12
3.7.19 Checking the electronic control circuit of the 1st stage valve.................................................................................... 12
3.7.20 Checking the electronic control circuit of the 2nd stage valve................................................................................... 12
3.7.21 Checking the short-circuit of the 1st stage valve....................................................................................................... 12
3.7.22 Long pre-purging ....................................................................................................................................................... 13
3.7.23 Post-purging .............................................................................................................................................................. 13
3.7.24 Continuous purging ................................................................................................................................................... 13
3.7.25 Lockout log ................................................................................................................................................................ 13
3.7.26 Logging of burner operating parameters ................................................................................................................... 13
3.7.27 Admissible lengths of the external connections to the burner ................................................................................... 14
3.8 Automatic deactivation of the pre-heating (only for suitable applications) ................................................................ 14
3.9 Programming menu................................................................................................................................................... 15
3.9.1 General notes............................................................................................................................................................ 15
3.9.2 Block diagram for entering the menu ........................................................................................................................ 15
3.9.3 Shutdown test............................................................................................................................................................ 16
3.9.4 Post-purging and continuous purging........................................................................................................................ 16
3.9.5 Intermittent operation ................................................................................................................................................ 16
3.9.6 Setting the opening delay of the 2nd stage ............................................................................................................... 16
3.9.7 Setting a long pre-purging ......................................................................................................................................... 16
3.9.8 Displaying the lockout log.......................................................................................................................................... 17
3.9.9 Resetting the programming menu parameters and the lockout log.......................................................................... 17
3.10 Lockout types ............................................................................................................................................................ 18
4 Faults / Solutions ..................................................................................................................................................................... 19
Contents
1
GB
20138365