Ignition And Call For Heat With Single-Stage Thermostat - Lennox G71MPP-36B-070 Installation Instructions Manual

IGNITION AND CALL FOR HEAT WITH SINGLE-STAGE THERMOSTAT
L
L
A
T
L
I
G
H
T
O
F
F
--- [ Safety 19 Check
Verify There
Is No Main Burner
Flame
YES
Indoor Blower OFF After
Heat OFF Delay
(Low Heat Speed)
De-Energize LJcombustion Air_
Gas Valve Inducer ON
YES
Indoor Blower _
ON NO_
(100% Speed)
J _ I Indoor Btower OFF
After Heat OFF Delay
H gh HeaiSpeed
YES
v
ac I°gr _libt i UoS_ iO_ 7A0 r°/lo n rda t c erp e%Nd
_ N°" I
Calibration t_
NO
]
YES
Pre-Purge
--I 15Sec°nds I
I 'g°it°r I"
20 Seconds
I GasVaive Energized I
I
÷ ÷
IgnitionTdal Begins Indoor Blower On I
I Ignit/rON II Delay Timer Started I /[
_NO_
D eG-aSle rVaIgiVzee d _Stches s_fu Y E S _-[
YES
I IgnitorOFF I
÷
I Wait For Ignition Stabilization Delay I
I Set to
I
.... Low Firing Rate I
Move to Mid Firing Rate
and High Firing Rate after / qR
_,Call For Heat Satisfied
I 2nd and 3rd Stage Delays I \_J
I (based on DIP Switch selections) I_
Soft Lockout:
Error Code
Flashes
Post-Purge H Combustion Air]_ (20 Seconds) Inducer OFF
Interpurge (15 Seconds) ]
T
NO
YES
YES
YES NO
IA/nedr_ H ;aE_oWF_F OF, F
Soft Lockout:
Error Code
Flashes Z_
:SOFT LOCKOUT IS RESETAUTOMATICALLYAFTER ONE HOUR WITFACALL FOR HEAT ACTIVE
HC:R: LCoYcE: IobG IqH: ECsAErL :: :yHcL i%: :O_W: :C:l :HGEPcOoV_ETRRToO L:HE CONTROL.
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