4
Key
Function
EK
Press this key to select the Status and Engineer's Key Data (EK) modes.
Fuel
Press this key to change the Fuel/Profile. If you change fuel when the burner is
firing, the burner will go OFF and then restart, using the new fuel Profile. *
On/Off/
Mode
Press this key to switch the burner ON or OFF, and to enable changes between
Normal and Local operation.
Note: Terminal PE6 must be ON for this switch to start the burner
.
Mute
Reset
Press this key to mute (open) the alarm relays, and then press and hold the key
down for approximately three seconds to reset the cleared faults.
* The Fuel key will have no function when used with the Fireye PPC6000.
When using the NX6220 and NX6330 displays, the password entry expects a 6 figure number,
entered in two phases/sets. Press F4 COM to enter Commissioning, Site, and Adjust Ratio
passcodes. See examples below:
When entering Commissioning passcode with 000 displayed scroll up entering first phase/set then
Press [ENTER ] scroll up entering second phase/set then Press [ENTER].
When entering passcode for Site and ADJ Ratio with 000 displayed press the right arrow key, then
scroll up entering Site or Adjust Ratio passcodes then Press [ENTER].
Example:
000 Shown scroll up to XXX then Press [ENTER] scroll up to XXX [ENTER] equaling Commissioning.
000 Shown Press then scroll up to XXX equaling Adjust Ratio number then Press [ENTER].
000 Shown Press then scroll up to XXX equaling Site Passcode number then Press [ENTER].
To obtain Commissioning, Adjust Ratio, and Site Passcodes consult
with Fireye or OEM.
