5
4.
Low Fire. Green = Low Fire Hold, Gray = Normal fire modulation based on real demand.
This setting allows the control to maintain a low fire modulation rate using the digital input.
The operation of this setting is impacted by the keypad Low Fire key.
5.
Auto/manual modulation mode
This setting gives the user the ability to place the control in Manual Modulation Mode. Manual
adjustment of the modulation rate can further be done using the keypad or via Modbus. The
operation of this setting is impacted by the keypad AUTO/MAN key.
6.
Dual function- Check/run and fault information
This setting gives the user the ability to enable or disable the RUN/CHECK operation via the
digital input. See the BURNER CONTROL SETUP (See Bulletins PPC-4001 or NXF-4001)
section for information on run/check operation. This also allows the user to retrieve Fault
History Display.
7.
Commissioning Mode
Go to the Commissioning or Adjust Ratio Mode. LED illuminates when C-MODE is enabled
(after passcode enabled). While in Commissioning Mode or Adjust Ratio Mode, hitting C-
Mode is used to correctly terminate Commissioning and Adjust Ratio Mode.
8.
Jump to set point adjust menu
This function allows direct access to the set point menu for set-point, Cut In, Cut Out, P-Band
and other Set-point setup parameters.
9.
Begin modify/save changes
Modify “Green” enters modify mode. UP/DOWN arrows are used to modify current value.
SAVE “Red” Save/ enters current parameters being entered.
10.
Information
Show summary of servos positions, VFD speed, DI activations and other top level data.
11.
Home
From anywhere and in any menu or submenu, immediately suspends any modify mode if
enabled and directs user to default or main screen.
12.
Navigation up/raise setting
Move up to the previous menu item. When in MODIFY mode, used to increment numerical
value.
13.
Navigation down/lower setting
Move down to the next menu item. When in MODIFY mode, used to decrement numerical
value.
14.
Navigation Backwards
Move back one menu layer to navigate with in the menu.
15.
Navigation Forwards
Move forward one menu layer to navigate with in the menu. This function is also used to
advance within the combustion curve.
