User Guide

7313 William Barry Blvd.
North Syracuse, NY 13212
ICM CONTROLS 800.365.5525
www.icmcontrols.com
LII352-1
WIRING DIAGRAM
LEGEND:
 ALS= Auxilarylimitswitch(overtemp),SPST
(N.C.),manualreset
BLWM= Blowermotor
 CAP= Capacitor
 DSS= Draftsafeguardswitch,SPST(N.C.),
manualreset
EAC-1= Electronicaircleanerconnection(115VAC)
EAC-2= Electronicaircleanerconnection(common)
 FU1= Fuse,3AMP.automotivebladetype
 FU2= Fuse,eldinstalled
 FL= Fusiblelink
 GV= Gasvalve(redundant)
 IDM= Inducerdraftmotor
 ILK= Blowerdoorinterlockswitch,SPST(N.O.)
 JB= Junctionbox
 LS= Limitswitch(overtemp),SPST(N.C.),auto
reset
 PL1= 9-circuitconnector(PCB1)
 PL2= 2-circuitconnector(L1,L2)
 PL3= 2-circuitconnector(IDM)
 PL4= 5-circuitplugconnector(BLWM)
 PRS= PressureswitchSPDT
TRAN= Transformer(115VAC/24VAC)
Junction
Unmarkedterminal
Terminalfactoryconnector
Markedterminal
Factorywiring(120VAC)
Factorywiring(24VAC)
Fieldwiring(120VAC)
Fieldwiringscrewterminal
Fieldground
Equipmentground
Fieldsplice
NOTES:
1. Internallyconnectedtoequipmentgroundthroughmountingscrew.
2. Ifanyoftheoriginalequipmentwireisreplaced,usewireratedfor105°C.
3. Blowermotor(BLWM)&inducermotor(IDM)containauto-resetthermaloverloadswitch.
4. Blowermotorfactoryspeedselections(PL4)areforaverageconditions.Seeinstallationinstructionsfor
detailsonoptimumspeedselections.
5. Useonlycopperwirebetweenthedisconnectswitchandthefurnacejunctionbox(JB).
6. Symbolsareelectricalrepresentationsonly
7. Auxiliarylimitswitch(ALS)usedondownowmodelsonly.
8. Thetransformer24VACwindingisprotectedbya3AMPautomotiveblade-typefuseonthecontrolboard.A
24VACshorttogroundduringinstallationcheckout,operation,serviceormaintenancecouldcausethefuse
toopen.Donotreplacethe3AMPfusewithanyothersizefuse.
9. Blowermotor(BLWM)adjustableoff-relay.Factoryset,120seconds,cutresistor,180seconds.
SPECIFICATIONS
ENVIRONMENT
• AmbientTemperature
 – Operating:-40ºFto176ºF
 – Storage:-40ºFto185ºF
• Humidity:5%to95%R.H.(non-condensing)@+55ºF
• Vibration:13.8Hz@0.2Gsforonehourineachorthogonalaxis
ELECTRICAL
• VoltageRange:Line(98-132VAC)@60Hz
• CoolBlower:20A,2HP,240VAC
• Heat:10A,240VAC
• InducerMotor:4AFLA,8ALRA@120VAC
TIMING
• InducerPre-PurgeTime:1second
• HeatBlowerOnDelay:45seconds
• HeatBlowerOffDelays:120or180sec.
• CoolBlowerOnDelay:1seconds
• CoolBlowerOffDelay:1seconds
I C M
2 8 0 4
FURNACE CONTROL BOARD
Replaces:CarrierCES0110074-01
FAULTCODES
CES0110074-00andCES0110074-01Differences:
ThisboardfunctionsidenticallyastheCES0110074-00andtheCES0110074-01.Itisaform,
tandfunctionalreplacementoftheCES0110074-01.WhenreplacingtheCES0110074-00
somequickconnectorshavetobechangedoradded.EAC-1andEAC-2musthave1/4”
connectors.COM,SEC-1andSEC-2musthave3/16”connectors.
LED1 FAULTCONDITION
Onsolid Nofault
1blink Gasvalvestuckopen
2blinks Pressureswitchopen
3blinks Limitswitchopen
4blinks Gasvalveshorted
ALS FL LS
(When Used) See Note #7
TR TH NO
NOTE #8
NC
NC
BRN
DSS
PRS
BRN ORN YEL BLU RED RED WHT BLK
TRAN
BLK
BLU
RED
HGV
PILOT
C
4
1
2
3
GV
MED LO
MED HI
HI
COM
LO
RED
BLWM
BLK
WHT
PL4
NOTE #4
BRNBRN
CAP
JB
GRNGRN
WHT
FU2
BLK
FUSE DISCONNECT
SWITCH
(WHEN REQUIRED)
1
2
PL2
BLK
WHT
BLK
WHT
ILK
NOTE #5
2
1
PL3
BLK
BLK
IDM
WHT
NOTE #9
NOTE #8
NOTE #1
Status
LED