Weil-McLain UO-3 CV Instruction Manual page 13

Weil-mclain uo-3 cv; uo-4 cv; uo-5 cv; uo-3 dv; uo-4 dv; uo-5 dv oil fired water boiler
Hide thumbs Also See for UO-3 CV:
Table of Contents

Advertisement

Figure 8. GeniSys Model 7505 Control
Reset Button with Red Light
Yellow Light
Green Light
Thermostat Terminals
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.
Table 4 - Reset Button Operation
If the burner is in the
below state:
Lockout
Valve-on Delay, Trial for
Ignition, Ignition Carryover
Run (igniter is shut off)
Motor-Off Delay, Standby
Pump Prime
Table 5 - Status Lights
Light Color
Red
Restricted (Hard) Lockout
Flame Sensed during normal operation
Green
(Could be stray light during standby)
Control is in Pump Prime mode or
Yellow
Reset button currently held for 15+ seconds.
Weil-McLain Ultra Oil NX Burner Manual
Optional Components:
Contractor's Tool:
Hand-held device for
programming and diagnostics
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 specifi cations.
Button Click
(press < 1 second)
Reset from Soft Lockout
Go to Pump Prime (see "Priming
the Pump" above)
No action
No action
No action
On Continuously
Wiring
Connections
Communication Port 2
Communication Port 1
Pushing the reset button will:
Button Hold
(press > 1 second)
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.
Exit Pump Prime mode and return to Standby
Soft Lockout
Recycle
N/A
Section: Burner Control
Cad Cell
Connections
Button Hold
(press 15+ seconds)
Reset from Restricted (Hard)
Lockout
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.
Flashing
13

Advertisement

Table of Contents
loading

This manual is also suitable for:

Uo-3 dvUo-4 dvUo-4 cvUo-5 dvUo-5 cv

Table of Contents