Oilon GKP-50 MH, Operation And Maintenance Manual

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Start-up
● Control unit safety features are activated.
● Fan motor starts (X25).
● Servomotors drive to the pre-purge position.
0021 ver. 2
● The differential air pressure switch contact closes when the required air pressure
is reached. If the required air pressure is not reached, a safety shutdown will be
initiated. Control is active until a controlled shutdown.
Pre-purge
0023 ver. 2
0019 ver. 2
● Pre-purge begins.
●
Models with double gas valve:
Automatic leak test for gas valves begins if it is
selected to be run during pre-purge, or if the burner is powered down.
● If the control unit receives a flame detection signal, it will initiate a safety shutdown.
Control is active until a controlled shutdown.
● Servomotors drive to the ignition position.
0035 ver. 2
Ignition
●
A
- with ignition gas
●
B
- without ignition gas
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