Lennox SIGNATURE SLO185BV Series - Genisyst Primary Control

Page 23
GeniSyst Primary Burner Control
SLO185B units are equipped with the Beckett GeniSyst
7505B primary burner control. The control is positioned on
the upper right-hand side of the Beckett NX burner assem
bly. The control includes a reset button and three status
lights. See figure 21 for location of reset buttons and status
lights. Table 10 details reset button operation. Table 11 de
tails status light function.
Additional information on the GeniSyst 7505B primary
burner control is provided with this furnace.
Beckett GeniSyst 7505B Primary Burner Control
Reset Button
with Red Status Light
Yellow Pump
Prime Status Light
Green Flame
Status Light
FRONT VIEW
Wiring
Connections
REAR VIEW
Cad Cell
Connections
Figure 21
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)
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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 button 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
No action
Pump Prime No action Exit Pump Prime mode and return to Standby
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R
Green
Flame Sensed during normal operation (Could be stray
light during standby)
Recycle
Yellow
Control is in pump prime mode or
N/A
Table 10
Reset Button Operation
Table 11
Status Light Function
Reset button currently held for 15+ seconds.