13
Weil-McLain Ultra Oil NX
Burner Manual
Table 5 - Status Lights
Light Color
On Continuously
Flashing
Red
Restricted (Hard) Lockout
Soft Lockout
Green
Flame Sensed during normal operation
(Could be stray light during standby)
Recycle
Yellow
Control is in Pump Prime mode
or
Reset button currently held for 15+ seconds.
N/A
Table 4 - Reset Button Operation
If the burner is in the
below state:
Pushing the reset button will:
Button Click
(press < 1 second)
Button Hold
(press > 1 second)
Button Hold
(press 15+ seconds)
Lockout
Reset from Soft Lockout
Reset from Restricted (Hard)
Lockout
Valve-on Delay, Trial for
Ignition, Ignition Carryover
Go to Pump Prime (see “Priming
the Pump” above)
Disable the Burner:
Any time the burner is running,
press and hold the reset but-
ton to disable the burner. The
burner will remain off as long as
the button is held.
Enables Pump Priming:
After the reset button has been
held for 15 seconds, the button
can then be clicked during the
next ignition sequence to enter
Pump Prime mode.
Run (igniter is shut off)
No action
Motor-Off Delay, Standby
No action
Pump Prime
No action
Exit Pump Prime mode and return to Standby
Reset Button Operation
The table below explains what action the control will take when the reset button is pressed for different lengths of time during the
various burner operating states.
Figure 8. GeniSys Model 7505 Control
Section: Burner Control
Display Module:
Permanent device for programming
and diagnostics
Alarm Module:
For adding isolated low voltage alarm
contacts to the base control. See Alarm
Module Instructions for speci
fi
cations.
Contractor’s Tool:
Hand-held device for
programming and diagnostics
Cad Cell
Connections
Wiring
Connections
Communication Port 2
Reset Button with Red Light
Communication Port 1
Thermostat Terminals
Green Light
Yellow Light
Optional Components
:
Summary of Contents for UO-3 CV
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