36
Communicating Furnace
INTEGRATED FURNACE CONTROL
T
5
T4
T3
P
2
7
-
TERM
I
NA
L
L
OW
VO
L
TAGE
CONNECT
I
ON
P
5
5-
TERM
I
NA
L
L
OW
VO
L
TAGE
CONNECT
I
ON
P1
4
-
TERM
I
NA
L
L
OW
VO
L
TAGE
CONNECT
I
ON
P100
/
P101
FUSE
E11
24VAC
(FROM
XFMR)
E10
24VAC
SEC
(FROM
XFMR)
T2
24VAC
THERMOSTAT
I
NPUTS
AUX
1
CONNECT
I
ON
AUX
2
CONNECT
I
ON
COMMON
FOR
AUX
1
&
AUX
2
I
NPUTS
SUPP
L
Y
A
I
R
SENSOR
I
NPUT
OUTDOOR
A
I
R
TEMPERATURE
SENSOR
I
NPUT
S8
PUSH
BUTTON
U38
DUA
L
7
SEGMENT
D
I
AGNOST
I
C
D
I
SP
L
AY
P6
MEMORY
CARD
CONNECTOR
S1
S2
S3
D
I
P
SW
I
TCH
BANKS
P4
C
I
RCU
L
AT
I
ON
B
L
OWER
COMMUN
I
CAT
I
ONS
CONNECT
I
ON
HUM
I
D
I
F
I
ER
RE
L
AY
OUT
(DRY
CONTACTS)
E
L
ECTRON
I
C
A
I
R
C
L
EANER
OUTPUT
NEUTRA
L
FOR
E
L
ECTRON
I
C
A
I
R
C
L
EANER
OUTPUT
NEUTRA
L
TERM
I
NA
L
S
(NEUTRA
L
)
P3
I
NDUCER
OUTPUT
120
VAC
TERM
I
NA
L
S
(
L
1)
COMMUN
I
CAT
I
ONS
L
ED
'
S
TRANSM
I
T(TX)
RECE
I
VE(RX)
S4
B
I
AS
/
TERM
I
NAT
I
ON
D
I
PSW
I
THES(COMM
ON
L
Y)
(A
LL
MUST
BE
OFF)
T1
SPARK
I
GN
I
T
I
ON
TRANSFORMER
J
1
R
J-
11
COMMUN
I
CAT
I
ON
CONNECT
I
ON
T
O
MAI
N
(
T
WI
ST
-L
OC
K)
WI
R
I
NG
HA
RNESS
24
VAC
TO
L
OW
VO
L
TAGE
S
I
DE
OF
CONTRO
L
TRANSFORMER
20
19
18
17
16
1
5
14
13
12
11
9
8
7
6
5
4
3
2
1
10
S1
S2
S3
ST
-A1
194-51
FIGURE 27
R80V TWO-STAGE COMMUNICATING FURNACE CONTROL LAYOUT
