Unigas G258A Manual Of Installation - Use - Maintenance page 31

Microprocessor controlled gas burners
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Service level (Service)
Manifacturer level (OEM)
PHASES LIST
During operation, the following program phases are shown. The meaning for each phase is quoted in the table below
Fase /
Ph00
Fase blocco
Ph01
Fase di sicurezza
Ph10
t10 = tempo raggiungimento posizione riposo
Ph12
Pausa
t22 = tempo di salita ventilatore (motore ventilatore = ON, valvola intercetta-
Ph22
zione di sicurezza = ON)
Ph24
Verso posizione preventilazione
Ph30
t1 = tempo preventilazione
Ph36
Verso posizione accensione
Ph38
t3 = tempo preaccensione
TSA1 = primo tempo sicurezza (trasformatore accensione ON)TSA1 = primo
Ph40
tempo sicurezza (trasformatore accensione ON)
TSA1 = primo tempo sicurezza (trasformatore accensione OFF)
Ph42
Ph44
t44 = intervallo 1
Ph50
TSA2 = secondo tempo sicurezza
Ph52
t52 = intervallo 2
Ph60
Funzionamento 1 (stazionario)
t62 = massimo tempo bassa fiamma (funzionamento 2, in preparazione per
Ph62
spegnimento, verso bassa fiamma)
Ph70
t13 = tempo postcombustione
Ph72
Verso posizione postcombustione
Ph74
t8 = tempo postventilazione
Ph80
t80 = tempo evacuazione controllo tenuta valvole
Ph81
t81 = tempo perdita pressione atmosferica, prova atmosferica
Ph82
t82 = test perdita, test riempimento
t83 = tempo perdita pressione gas, test pressione
Ph83
Ph90
Tempo attesa "mancanza gas"
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:
Funzione
31
PART III: OPERATION
Function
Lockout phase
Safety phase
t10 = home run
Standby (stationary)
t22 = fan ramp up time (fan motor = ON,
safety shutoff valve = ON)
Traveling to the prepurge position
t1 = prepurge time
Traveling to the ignition position
t3 = preignition time
TSA1= 1st safety time (ignition transformer
ON)
TSA1 = 1st safety time (ignition transformer
OFF)
t42 = preignition time OFF
t44 = interval 1
TSA2 = 2nd safety time
t52 = interval 2
Operation 1 (stationary)
t62 = max. time low-fire (operation 2, prepa-
ring for shutdown, traveling to low-fire)
t13 = afterburn time
Traveling to the postpurge position
t8 = postpurge time
t80 = valve proving test evacuation time
t81 = leakage time test time atmospheric
pressure, atmospheric test
t82 = leakage test filling test, filling
t83 = leakage test time gas pressure, pres
sure test
Gas shortage waiting time

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