Bryant 312AAV/JAV instruction manual KitAdapter Chimneyin Usedswitch Shutoffvent Blocked

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NO		YES

.control replaceOK, If.connections Check	.on turnedare valvesgas . all valve thatCheck Replace	roughor carryoverflame .pressure for: Inadequate . gasinlet Check ignition Low - -	.gap over-carry . incorrect ratefiring or nominal) Proper Blocked 045” .( - -	totest repeatand .operation oncome intermittent toower for blow check All
NO		NO	NO	YES

is and -high replace then .pressure flame current in heat nominal) check on - manifold and If stay high . repeat carryover retry 0 not in . operate check and 6- on, still connections 0.(4 stay will burners heat, burner value burners . not - check location typical will If low to burners If . sensor Check near . control switch OK, heat If	.electrode Replace	.control furnaceReplace
NO	NO	NO

312AAV

-LOW PRESSUREHEAT OPENSWITCH

43

-LOW PRESSUREHEAT DIDSWITCH

32

codesStored

PREVIOUSNO –CODE

11

WHILE -HIGH PRESSUREHEAT

–REOPENED openIf

NOT ORCLOSE

LEDRED

hours72 On.

are aftererased

ISSWITCH -CLOSED for:Check

inducerminutes, offshuts

longer 5than

boards statusstored cancodes bealso

-Low pressureheat stuckswitch .open

-

opensIf

15for beforeminutes .retry

whenevererased (115Vpower 24V)or

pressureobstructed

- orDisconnected

blowerduring delay-on blowerperiod,

systemRun athrough

is .interrupted

.tube

will oncome thefor blowerselected -off

coolingor tocycle

heat,-low heat,-high

pressureMiswired .switches

-

.delay for:Check

check .system

pressuregas LGPS(if .used)

- inletLow

ventProper .sizing

-

Low voltageinducer .(115V)

-

1 controltestandWasperiod? and .sequence115V

Check Unpluginitiate forNEUTRALforpresent - igniteranother115VonL2the harnessbetweenthe15 fromcomponentpin.controlsecond

.used) . pressure LGPS supply obstructed air (ifpressure combustion or gas Inadequate Disconnected inletLow	. .switch motorinducer pressure . . wind ent . Defective Defective Excessive vRestricted tubing
- - -	- - - -

–UP POWERAFTER ONBLOWER	- call delay off - .operation er a (Rwhen - blowselected duringup or onblower Normal powered closed) the – the W/W1 during 24V) for is opens) runs unit - OR (R Blower if heat . (115V , W/W1 period delay for
12

setand voltmeterConnect gasDoes leadthermostat . .connections R heatfor valve 24V? theReconnect callto gas receive thermostat across valve YES flow?to gasallow andopen valvegas Does YES ignite?ners burmain theDo YES on?stay burnersmain theDo NO

theIndicates –FAULT CIRCUITLIMIT

is until . manual longer continues . . or used) or code less Flame system capacitor supply rollout,. (if minutes is open requires connections whichever minutes, . duct air . flame switch* If #33 offor combustion open) 4 . code shuts restricted motor for #13 BVSS . switch safeguard, 3wheel or . shutoff run remakes than lockout ower switch ower . sizing . status and :vent wind willor or ower rollout vent ower longer lb switch fk lb Inadequate estricted vent Excessive witch to . until Chec filter bl Defective Defective draft blocked Bl s open changes min flash Dirty Loose (flame Proper . 3 rollout . limit, open open If than to resetR - - - - - - - -

33

Lockout– LOCKOUTCIRCUIT LIMIT	flame used) will . Control 33 safeguard, (if code switch* . See draft vent minutes3 .hours limit, blocked than 3 theif or longeropen afterreset occurs rollout, - is auto	tofailed System– LOCKOUTIGNITION	.attempts See 4 .hours inflame 3after prove reset -auto . andgas will 34code ignite Control status	offTurn –LOCKOUT HEATINGGAS	. on .wire retry relay valve tominutes valve gas 5 gas toshort wait closed or and for: . Miswire wer Check Stuck control po - -
13		14		21

sensor the flame Is.period check ignition 5? andheat for .0below for trialduring microamps callRepeat current DC

YES

andwool steelfine withsensor flameClean

to0. 4is currentNominal .current recheck

.microamps 0.6

value?typical nearcurrent Is

YES

on?stay andignite burnersmain Will

YES

.Fixed

NO

YES

flameIf –FAILURE PROVINGIGNITION

ignitionfor trialthe duringsensed notis

ignitionthe repeatwill controlthe period,

lockoutbefore timesmore 3sequence

duringlost issignal flameIf .occurs #14

willblower period,delay -on blowerthe

.delay -off blowerselected thefor oncome

beforefirst . connectedbe items step . MUST . valve xt off ollowing nethe turned off wire f to valve -shut Green/Yellow the proceeding as Manual Check G - - -

.grounded . benot metalsheet mustsensor furnace Flame to -

inis problemthe whetherdetermine To

sensorflame origniter, valve,gas the

thein operatedbe cansystem the

.igniter thecheck tomode testcomponent

connectionthermostat Rthe removeFirst

theinitiate andcontrol thefrom

the ofend Does the period? .sequence byorange/white up -warm testcomponent glowigniter second15 the

34

SIGNALPROVING -FLAME ABNORMAL

-de isvalve gaswhile vedpro isFlame

isfault untilrun willInducer .energized

for:Check .cleared

.alve vgas leakyor openStuck -

OPEN NOT . .closed DIDSWITCH tubepressure stuckswitch PRESSURE for: Obstructed Pressure Check - -

ISFUSE VOLTAGESECONDARY

for:kChec OPEN

voltagesecondary incircuit Short-

thermostatincluding wiring(24V)

leadsthermostat Disconnect.leads

.circuit shortisolate to

ORSWITCH OR PRESSURE CLOSE HEAT NOTDID - RELAY HIGH

22

23

24

31

KitAdapter

Chimneyin

usedswitch

shutoffvent

Blocked*

ontrolC valvGasSee REOPENEDe -relayisstatus Checkmaymis 32code bewired. for: .defective.

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A05001

54