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PCB
PL1
SPARE 2
EAC-1
_HT
CAP
-
PL4
V_ff
BRN
BRN
CRN/YEI,,
]DM
BLK
NOTE #10
RED (LO)
BLU
(MED LOJ
¢THT (OOM)
BLK
_SCONNECT
S/._ITCH (lAdEN
REQ'D}
JB
___NOTE_#2
I
PU2
I
BLK
----
BLK---_OI"
I --
L1
........
I
I
ILK
G_D
1
I
ILK--
BHT/CLR
BLOWER MOTOR SPEED CHANGE RELAY, SPDT
BLWR
BLOWER MOTOR RELAY, SPST-(N O)
BLWM
BLOWER MOTOR¸ PERMANENTSPUTCAPACITOR
PCB
CAP 1,2
CAPACITOR
PL1
CPU
MICROPROCESSOR
AND CIRCUITRy
PL2
EAC-1
ELECTRONIC
AIR CLEANER CONNECTION
(115 VAC 1 0 AMP MAX¸)
PL3
EAC_
ELECTRONIC
AIR CLEANER CONNECTION
(COMMON)
PL4
FRS
FLAME ROLLOUT SW -MANUAL RESET SPST-(N C )
PRS
FSE
FLAME-PROVING
ELECTRODE
TE SPPRA/IN
FU 1
FUSE, 3 AMP, AUTOMOTIVE
BLADE TYPE, FACTORY INSTALLED
TRAM
FU 2
FUSE OR CIRCUIT BREAKER CURRENT
INTERRUPT DEVICE
(FIELD INSTALLED
& SUPPUED)
GND
EOUIPMENT
GROUND
Q
GV
GAS MALVE_REDUN DANT
m
GMR 1 2
GAS VALVE RELAY, DPS_-(N O )
m
HSI
HOT SURFACE IGNITER (115 VAC)
HSIR
HOT SURFACE IGNITER RELAY SPS_, (N O)
HUM
24VAC HUMIDIFIER
CONNECTION
(0 5 AMP
MAX¸)
-- -- --
IDM
INDUCED DRAFT MOTOR¸ PSC
....
IDR
INDUCED DRAFT MOTOR RELAY, SPST (NO)
ILK
BLOVlJER ACCESS PANEL IN]ERLOCK
SWITCH, SPST (N O)
J1
BLOWER - OFF DELAY JUMPER
SELECTOR
Q
J2
COOLING - OFF DELAY JUMPER
JB
JUNCTION
BOX
LED
LIGH*PEMITTING
DIODE FOR STATUS CODES - RED
LGPS
LOWGAS
PRESSURE SM/ITCH, SPS]:(N O)
LS
LIMIT SWITCH, AUTO-RESET
SPST (NC)
_
)_
AUTO RESET INTERNAL
MOTOR OVERLOAD
[EMPERATURE
SWITCH (NC)
PRINTED
CIRCUIT BOARD CONTROL
11 _31RCUIT PCB CONNECTOR
2_CIRCUIT CONNECTOR
2_IRCUIT
HSI,
CONNECTOR
3dSIRCUIT IDM EXTENSION CONNECTOR
PRESSURE
SWITCH, SPST-(N O )
COMPONENT
TEST & _RMN TERMIRAL
TRANSFORMER-115VAC!24_,AC
JUNCTION
UNMARKED TERMINAL
PCB CONTROL TERMINAL
FACTORY tMRING (115VAC)
FACTORY WIRING (24VAC)
FIELD WIRING (115VAC)
FIELD WIRING (24MAC)
CONDUCTOR ON CONTROL
PCB
FIELD WIRING SCREW TERMINAL
FIELD EARTH GROUND
EQUIPMENT
GROUND
FIELD SPLICE
PLUG RECEPTACLE
TO 115VAC FIELD
DISCONNECT
SCHEMATIC
DIAGRAM
NOTE #2
IL 2
GNDi_
7 EQUI[t%IBXq GROUND
(NATURALGAS & PROPANE)
SPARE-2 -"
M[DLO
CAP-1
HEAT
..
L1D@R_
H}ILO
SPAREq
L2 I
COOL
NOTE #10
EAC_
R ®
/
:
I
.E.osJ
w®/t/
1
I
M1 i
L i,_{_#11_
I
_JM
PRS
I
NOTES:
1
If ar_y of the onginal eq_ #_leqt '_'_re is iet:Jaced
use '_re
lated for 105 C
2
Use only copper
'_re bet_,een
the disconr_ct
s,_tde and the fun'ace
jul_ction
box (JB)
3
This _._.4re must de cor_ected
to furnace
sheet
met_ for control to prove flame
Syrdeols
are elec_]cal
repiesenta_on
onl
Solid lines ir_ide
PCB are printed
circ_t
_oard conductors
apd are not ir_,luded
in legend
6
Replace
ctly with a 3 amp f_se
7
Inducer
(IDM) a_d blower
(BL_M)
motc_s centaln
intem_
ad_o-reset
therm_
overlead
S',Mtches (OL)
8
Neutral
connections
_ e interchangeaNe
_thin
the NEUTRAL
conr_cto_
block
9
BloweI" moto_ speed selec_or_
ale for avetage
condtions
see ii_st_lation
instrucqons
for details
on
optimum
speed selection
10
YELLOWlead
i'_€ on all r_'oto_ s
11
Fantol 3, connected
whel
LGPS
is not used
12
lgnitiol_-Iockout
w_ll OCCUr after four consecutive
unsuccessful
trials-for4gn_tion
Control w_ll
auto4-eset
alter _ree
houis
13
Blower-ct_
delay:
gas dealsng 60 seconds,
cooling
c{ hea_ pt,rnp 2 seconds
14
Blower-off
delay:
gas dealing
selections
are 90
120,150
or 180 seconds,
coding
or heat p_rrlp
90 see_nds
Or 5 seconds
when
J2 is cut
328150-101
RE1L A
./
A02271
Fig. 32--Wiring
Diagram
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