Oilon GKP-350 M, Operation And Maintenance Manual

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● Lockout, if fan contactor contact opens or fan motor rotation speed signal
disappears during burner operation.
● Lockout, if servomotors do not reach the defined position during operation.
● Lockout, if the Esc and Enter buttons on the operating and display unit are pressed
simultaneously during operation.
● Immediate shutdown, if start release opens during operation.
● Immediate shutdown, if safety loop opens during operation.
● Immediate shutdown, if boiler temperature limiter activates during operation.
62 Controlled shutdown
● Servomotors run to min. load.
70 Post-purge begins
● Oil pump motor stops.
● Main oil valve closes.
● Nozzle valve closes when oil pressure in control circuit disappears.
● Flame extinguishes.
72... 78 Post-purge begins
● Servomotors run to post-purge position.
● Lockout, if burner control receives flame signal.
● Fan motor stops at the end of phase 78.
● Burner control safety functions end at the end of phase 78.
10 Servomotors run to stand-by position
Restart possible, when stand-by position is reached.
00 Lockout phase
● Servomotors run to stand-by position.
● Burner failure activates.
● Requires manual reset.
In fault conditions fuel supply is shut off immediately, and the fan stops. If lockout
occurs, the fault is shown on the operating and display unit. Lockout can be reset
immediately. After resetting servomotors run to stand-by position. Only then burner
control begins with a new burner start-up.
Immediate shutdown means that fuel supply will be cut off immediately
regardless of load. System continues normal shutdown sequence from
phase 70.
Controlled shutdown means that burner capacity will be run down. Fuel
supply will be cut off, and shutdown sequence continues from phase 70.
Pressing of burner failure reset button during burner operation causes a
lockout. Button is also used as emergency stop button.
Lockout means that fuel supply is cut off immediately regardless of load.
Fan stops and servomotors run to stand-by position.
M5178 1647EN 105 (129)