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EAC-1
EACh2 L2
GRN (24V COM)
BLK C
[ GRN/YEL
IDM
/YEL
BLK PL_ -
V_T _: WHT
i
,_T (COM) l
,WE{T--
BLK
BFANR
BHT/CLR
BLWR
BLWM
BVSS
CPU
DSS
EAC-1
EAC-2
FRS 1,2
FSE
PU 1
FU 2
GND
GV
GVR I, 2
HSI
HSIR
HUM
IDM
IDR
ILK
IND
J1
JB
LED
LGPS
PL6
CONTINUOUS-FANSELECT RELAY,SPDT LS 1,2
BLOWERMOTOR SPEED CHANGEELAY,SPDT PCB
BLOWERMOTOR RELAY,SPST-(N.O.) PLI
BLOWER MOTOR PL2
BLOCKED VENTSHUTOFFSWITCH. MANUAL-RESET,SPST-(N.C.) PL3
MICROPROCESSORAND CIRCUITRY PL5
DRAFTSAFE GUARD SW TCH,AUTO-RESET,SPST-(N.C.) PL6
ELECTRONICAIR CLEANERCONNECTION (115VAC 1.0AMP MAX.) PL7
ELECTRONICAIR CLEANERCONNECTION COMMON) PRS
FLAME ROLLOUTSW.-MANUALRESET, SPST-N.C. TEST_WIN
FLAME PROVING ELECTRODE TRAM
FUSE, 3AMP, AUTOMOT VEBLADE TYPE,FACTORY INSTALLED
FUSEOR CIRCUITBREAKER CURRENTINTERRUPT DEVICE
(FIELD INSTALLED& SUPPLIED) O
EQUIPMENTGROUND
GAS VALVE-REDUNDANT
GAS VALVERELAY,DPST-(N.O.)
HOT SURFACEIGNITER (115 VAC)
HOT SURFACEIGNITER RELAY,SPST-(N.O.)
24VAC HUMIDIFIERCONNECTION (0.5AMP.MAX.) ....
INDUCED DRAFTMOTOR, SHADED-POLE
iNDUCED DRAFTMOTOR RELAY,SPST-(N.O.) Q
BLOWERACCESS PANELINTERLOCKSWITCH,SPST-(N.O.) ._L
INDUCTOR(SEE NOTE #16) _-
BLOWER - OFF DELAYJUMPERSELECTOR /'-)'7
JUNCTIONBOX
LIGHT-EMITTINGDIODE FORSTATUSCODES -AMBER
LOW GAS PRESSURESW TCH, SPST-(N.O.) "--") >---
R
LIMIT SWITCH,AUTO-RESET,SPST-(N.C.)
PRINTED CIRCUITBOARD CONTROL
11- CIRCUITPCB CONNECTOR
2 - CIRCUITCONNECTOR
2 - CIRCUITHSI, CONNECTOR
5 - CIRCUITBLWM SPEEDTAP CONNECTOR
4 - CIRCUITBLWM POWER CONNECTOR
1 - CIRCUITINDUCER SPLICECONNECTOR
PRESSURESWITCH, SPST- N.O.)
COMPONENTTEST &TW N TERMNAL
TRANSFORMER-115VAC/24VAC
JUNCTION
UNMARKEDTERMINAL
PCBCONTROLTERMINAL
FACTORYWIRING (115VAC)
FACTORYWIRING (24VAC)
FIELDWIRING (115VAC)
FIELDWIRING (24VAC)
CONDUCTORON CONTROLPCB
FIELDWIRING SCREWTERMINAL
FIELD EARTHGROUND
EQUIPMENT GROUND
FIELD SPLICE
PLUG RECEPTACLE
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
TO 115MAC FIELD DISCONNECT
NOTE #2
EOU, ENT ROONO
IDR PL2 _IDM
BFANR PL5
L2
I:
BLWR
X;
X
X
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NOTES:
PCB
NOTE # NOTE#3
FURNACETYPE_PL11:1
BACKWARDCOMPATIBLE_ PL1-11
PL1-7
................ ._ PL1-3
-- _, Ifanyoftheoriginalequ]pmentwireisrep tacedusewireratedf°rl05°C,
• Useonlycopperwirebetweenthedisconnectswitchandthefurnace unctionbex JB.
3. This wire must be connectedto fumaoesheet meta forcontro toprove flame.
4. Symbols are electricalrepresentationonly.
5. Solid lines inside PCB are printedcircuit boardconductorsand are not includedin legend, _t_
6. Replaceonly with a 3 amp fuse• . ,
7. Inducer(IDM) motorcontains internalauto-resetthermalovenoad switcnes OL. }l_
8. L2connections are interchangeablewithinthe L2connector block.
g. Blower motorspeed selectionsarefor averageconditions, seeinstallationinstructionsfor _1_
details onoptimum speed selection.
10. Factoryconnected when BVSS(ChimneyAdapter Accessory Kit)is not installed• _l_
11. Factoryconnected when LGPSis not used.
12, Ignition4ockoutwilloccur afterfour consecutiveunsuccessful trials-for-ignition. Control _1_
will auto-reset after threehours•
13. Blower-ondeiay: gas heating25 seconds,cooling or heat pump2 seconds. _l_
14. Blower.offdelay: gas heatingselections are90, 120,150or 180 seconds,cooling or
heatpump 90 secondsor 5 secondswhen DHUM is active, }1_
15. BLWM is locked- rotoroverload protected byredundantelectroniccontrol circuits.
16. Inductor usedwith 1 HP BLWM. 334222-101 REV. B _1_
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