42
WIRING DIAGRAM
DM92SS* & DC92SS*
R
YL YELLOW
OR ORANGE
PU PURPLE
GN GREEN
BK BLACK
BR BROW N
WH WHITE
BL BLUE
GY GRAY
RD RED
COLOR CODES:
LOW VOLTAGE (24V)
LOW VOLTAGE FIELD
HI VOLTAGE (115V)
HI VOLTAGE FIELD
NOTES:
1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS.
2. MANUFACTUR'S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING.
0140F02059-A
OR (MED LOW)
BL (MED)
RD (LOW)
GAS VALVE
C2
C G
W
INTERNAL TO
INTEGRATED CONTROL
JUNCTION
EQUIPMENT GND
FIELD GND
DIAGNOSTIC
LED
2 CIRCUIT
CONNECTOR
HOT
SURFACE
IGNITER
OVERCURRENT
PROT. DEVICE
IGNITER
TH (3)
INTEGRATED
CONTROL MODULE
JUNCTION BOX
LINE-H
XFMR-H
IN
TE
G
R
AT
E
D
C
O
N
TR
O
L
M
O
DU
LE
IN
TE
G
R
A
TE
D
C
O
N
TR
O
L
M
O
D
U
LE
GND
DISCONNECT
L
N
DISCONNECT POWER
BEFORE SERVICING.
WIRING TO UNIT
MUST BE
PROPERLY
POLARIZED
AND GROUNDED.
OVERCURRENT PROTECTION DEVICE
RD
BL
BK
4. BLOWER SPEEDS SHOULD BE ADJUSTED BY INSTALLER TO MATCH THE INSTALLATION REQUIREMENTS SO
AS TO PROVIDE THE CORRECT HEATING TEMPERATURE RISE AND THE CORRECT COOLING CFM.
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL
HAVING A TEMPERATURE RATING OF AT LEAST 105
TERMINAL
SWITCH (PRESS.)
5. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES.
PK PINK
115 VAC HOT AND PARK TERMINALS
LINE-H
FLAME
SENSOR
( SINGLE CONTROL ON 40K BTU )
BK
PLUG CONNECTION
FIELD SPLICE
SWITCH (TEMP.)
OR
24V THERMOSTAT
CONNECTIONS
N.E.C. CLASS 2 WIRE
GR
GND
115 VAC
24 VAC
BLOWER
COMPARTMENT
DOOR SWITCH
(OPEN WHEN
DOOR OPEN)
DOOR
SWITCH
WARNING:DISCONNECT POWER BEFORE
SERVICING.WIRING TO UNIT MUST BE
PROPERLY POLARIZED AND GROUNDED.
BK
GND
DISCONNECT
L
N
POW
ER
SUP
PLY
WITH
OVE
RCU
RR
ENT
PRO
TEC
TION
DEV
ICE
WH
JUNCTION
BOX
1
TO
115
VAC
/1
/60H
Z
OR
ID BLOWER
PRESSURE
SWITCH
HEAT-H
GND
WH
RD
WH
GND
BURNER COMPARTMENT
BLOWER COMPARTMENT
N
O
COOL-H
BK (HI)
BR BR
CAPACITOR
YL
WH
CONTROL
PRIMARY LIMIT
AUTO RESET
BL
PU
MANUAL RESET ROLLOUT LIMIT CONTROL(S)
RD
OR
PK
BK
WH
WH
BLOWER
INDUCED DRAFT
AUXILIARY LIMIT
CONTROLS
C
CIRCULATOR
BLOWER
FS
LIMIT CONTROLS
AUXILIARY
HEA
T-H
COO
L
IGNITER
HOT SURFACE
IND
IGN
BLWR
CIRCULATOR
BLWR
ID
FLAME SENSOR
115 VAC
TRANSFORMER
40 VA
24 VAC
GND
CONTROL
LIMIT
PRIMARY
AUTO RESET
(SINGLE CONTROL ON 40K BTU)
LIMIT CONTROL(S)
MANUAL RESET ROLLOUT
RO1 (5)
RO2 (11)
HLO (1)
HLI (7)
MVC (9)
GND (8)
TR (6)
O
R
W
H
W
H
BL
YL
O
R
R
D
G
R
BR
PK
PK
WH
11
5
VA
C
N
E
U
T
R
A
L
BK
BK
BK
GY
24
V
TH
ER
M
O
ST
A
T
C
O
NN
EC
TIO
N
S
N
.E.
C
.CL
AS
S
2
W
IR
E
MICRO
TO
C
G
Y
W
R
TRANSFORMER
40 VA
2
WH
OR
BL
YL
OR
PK
RD
OR
WH
X
F
M
R-
H
TE
R
M
IN
A
LS
BL
GY
GR
1
2
3
12
11
10
9
8
7
6
5
4
WARNING:
C. USE COPPER CONDUCTORS ONLY.
24 VAC
HUMIDIFIER
24 VAC
HUMIDIFIER
HUMIDIFIER
PSO (4)
MV(12)
PS (10)
C
NO
ID BLOWER
PRESSURE
SWITCH
OFF
= CONTROL FAILURE
STEADY ON = NORMAL OPERATION
1 FLASH
=
2 FLASHES = PRESSURE SW ITCH STUCK CLOSED
3 FLASHES = PRESSURE SW ITCH STUCK OPEN
4 FLASHES = OPEN HIGH LIMIT
5 FLASHES = FLAME SENSE W ITHOUT GAS VALVE
OPEN ROLLOUT/OPEN CONTROL FUSE
6 FLASHES =
SYSTEM LOCKOUT (RETRIES EXCEEDED)
CONTINUOUS/RAPID FLASHES = REVERSED 115 VAC POLARITY
CONTROL
MODULE
INTEGRATED
FUSE
MI
GY
G
Y
M1
GAS
VALVE
C2
TO 115VAC/ 1 /60 HZ POWER SUPPLY W ITH
PU
Y
BR
GY
BR
LIN
E
N
EU
TR
AL
S
NO
C
FRONT COVER
PRESSURE SWITCH
C
N
O
FRONT COVER
PRESSURE SWITCH
YL
7 FLASHES =
8 FLASHES =
6 FLASHES =
7 FLASHES = LOW FLAME SIGNAL
8 FLASHES = CHECK IGNITER OR IMPROPER GROUNDING
GND
GR
H
IG
H
V
O
LT
A
G
E
!
D
isconnec
t AL
L
po
w
er
b
ef
or
e
se
rv
ic
ing
o
r
ins
ta
lli
ng
th
is
un
it.
M
ul
tip
le
po
w
er
sou
rces
m
ay
b
e
pr
esen
t.
Fa
ilu
re
to
do
so
m
ay
caus
e
pr
ope
rt
y
da
m
ag
e,
p
er
son
al
in
ju
ry
o
r
de
at
h.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
