Fig.
14—Unit
Wiring
Diagram
A99073e
LE
G
E
N
D
A
L
S
1
A
U
XI
L
IAR
Y
L
IM
IT
SW
IT
C
H
, O
VER
T
E
M
P
. M
A
N
U
A
L
R
ESET
, SP
ST
(
N
.C
.)
A
L
S
2
A
U
XI
L
IAR
Y
L
IM
IT
SW
IT
C
H
, O
VER
T
E
M
P
. AU
T
O
R
E
S
E
T
, SPST
(
N
.C
.)
B
H
I /
L
O
R
B
L
O
WE
R
M
O
T
O
R S
P
E
E
D
CHA
NG
E
RE
L
A
Y
, S
P
DT
B
H
T
/
CL
R
B
L
O
WE
R
M
O
T
O
R S
P
E
E
D
CHA
NG
E
RE
L
A
Y
, S
P
DT
B
L
W
M
B
L
O
W
ER
M
O
T
O
R
, 4
o
r 5
-
SPE
ED
, PER
M
A
N
E
N
T
-SPL
IT
-C
AP
AC
IT
O
R
B
L
W
R
B
L
O
W
ER
M
O
T
O
R
R
E
L
AY,
SP
ST
(
N
.O
.)
C
A
P
C
APAC
IT
O
R
C
P
U
M
IC
R
O
P
R
O
C
ESSO
R
A
N
D
C
IR
C
U
IT
R
Y
DS
S
D
R
A
F
T
S
A
F
E
G
U
A
R
D S
W
IT
C
H
(N
.C
.)
E
A
C-
1
E
L
E
CT
RO
NI
C A
IR CL
E
A
N
E
R C
O
N
N
E
C
T
IO
N
(
1
1
5
V
A
C
, 1
A
M
P
M
A
X
.)
E
A
C-
2
E
L
E
CT
RO
NI
C A
IR CL
E
A
N
E
R C
O
N
N
E
C
T
IO
N
(
C
O
M
M
O
N
)
F
R
S1
F
L
AM
E R
O
L
L
O
U
T
SW
IT
C
H
O
VER
T
E
M
P
. M
A
N
U
A
L
R
ESET
, SP
ST
(
N
.C
.)
F
R
S2
F
L
AM
E R
O
L
L
O
U
T
SW
IT
C
H
O
VER
T
E
M
P
. M
A
N
U
A
L
R
ESET
, SP
ST
(
N
.C
.)
F
S
E
F
L
A
M
E
-P
RO
V
ING
S
E
NS
O
R
E
L
E
C
T
R
O
D
E
F
U
1
F
U
SE,
3
AM
P,
AU
T
O
M
O
T
IVE B
L
A
D
E T
YPE
, F
A
C
T
O
R
Y I
N
ST
AL
L
E
D
FU
2
F
U
S
E
, FI
E
L
D
I
N
S
T
A
L
L
E
D
G
V
G
AS VA
L
VE,
R
E
D
U
N
D
AN
T
L
O
W
-H
E
A
T
O
PER
AT
O
R
S,
2
-ST
AG
E
HP
S
H
IG
H-
H
E
A
T
P
R
E
S
S
U
R
E
S
W
IT
C
H
, S
P
S
T
(
N
.O
.)
H
P
SR
H
IG
H
-H
EAT
PR
ESS
U
R
E
S
W
IT
C
H
R
E
L
AY,
SPST
(
N
.C
.)
H
S
I
H
O
T
-S
U
R
F
A
C
E
I
G
N
IT
E
R
(115 V
A
C
)
HS
IR
HO
T
-S
U
R
F
A
C
E
IG
NIT
O
R
R
E
L
A
Y
, S
P
S
T
(
N
.O
.)
HU
M
2
4
V
A
C
H
U
M
ID
IF
IE
R
C
O
N
N
E
C
T
IO
N
(
0
.5
A
M
P
.
M
A
X
.)
ID
M
IN
D
U
C
ED
D
R
AF
T
M
O
T
O
R
, 2
-SPE
ED
, SH
AD
E
D
-P
O
L
E
ID
R
IN
DU
CE
R M
O
T
O
R R
E
L
A
Y
, S
P
S
T
(
N
.O
.)
IH
I /
L
O
R
IN
D
U
C
ER
M
O
T
O
R
S
PEED
C
H
A
N
G
E R
E
L
AY,
SPD
T
IL
K
B
L
O
W
E
R
D
O
O
R
I
N
T
E
R
L
O
C
K
SW
IT
C
H
,
SPST
(
N
.O
.)
JB
JU
NC
T
IO
N
B
O
X
L
E
D
L
IG
HT
-E
M
IT
T
ING
DI
O
D
E
F
O
R S
T
A
T
U
S
CO
DE
S
L
G
PS
L
O
W
G
A
S-
PR
E
S
SU
R
E
SW
IT
C
H
, SPST
(
N
.O
.)
L
P
S
L
O
W
-H
E
A
T
PR
E
S
S
U
R
E
SW
IT
C
H
, SPST
(
N
.O
.)
L
S
L
IM
IT
S
W
IT
CH
, O
V
E
R
T
E
M
P
E
R
A
T
URE
-A
UT
O
RE
S
E
T
,
S
P
S
T
(
N
.C
.)
M
G
V
R
M
A
IN
G
A
S
V
A
L
V
E
R
E
L
A
Y
, D
P
S
T
(
N
.O
.)
-
1 =
V
A
LV
E
-
2 =
H
U
M
ID
IF
IE
R
P
L
1
1
2
-C
IRCU
IT
CO
NN
E
C
T
O
R
P
L
2
9
-C
IRC
UI
T
CO
NN
E
C
T
O
R
P
L
3
3
-C
IR
CU
IT
I
D
M
CO
NN
E
C
T
O
R
P
L
6
2
-C
IRC
UI
T
HS
I
C
O
NNE
C
T
O
R
SW
1
H
IG
H
-H
E
A
T
-O
N
L
Y SW
IT
C
H
,
S
P
S
T
(
M
AN
U
A
L
)
*
SW
2
L
O
W
-H
A
T
-O
N
L
Y S
W
IT
C
H
, SPS
T
(
M
AN
U
A
L
)
*
S
W
3
&
4
B
LO
W
E
R
-OF
F
D
E
LA
Y
S
E
T
T
IN
G S
W
IT
C
H
E
S
,
SP
ST
(
M
A
N
U
A
L
)
*
T
J
T
W
IN
NI
NG
J
U
M
P
E
R
, S
P
D
T
F
O
R
M
A
S
T
E
R
O
R
S
L
AV
E
ST
A
T
U
S
(
M
AN
U
A
L
C
H
AN
G
E
O
V
E
R
)
T
R
AN
T
R
AN
SF
O
R
M
E
R
-1
1
5
V
A
C
/2
4
V
A
C
T
W
IN
/T
E
S
T
1
-C
IR
CU
IT
T
W
IN
NI
NG
B
U
S
S
CO
N
N
E
C
T
O
R,
A
L
S
O
S
T
A
T
US
CO
DE
R
E
CA
L
L
JUN
CT
IO
N
TE
R
M
IN
A
L
CO
N
T
RO
L
T
E
RM
IN
A
L
F
A
C
T
O
R
Y
P
O
W
E
R W
IRING
(
1
1
5
V
A
C
)
F
A
C
T
O
R
Y
CO
NT
R
O
L
W
IRI
N
G
(
2
4
V
A
C
)
F
IE
L
D
P
O
W
E
R W
IRING
(
1
1
5
V
A
C
)
F
IE
L
D CO
NT
RO
L
WI
R
IN
G
(
2
4
V
A
C
)
CO
N
D
U
C
T
O
R
O
N
CO
NT
RO
L
F
IE
L
D
W
IR
ING
S
C
RE
W
T
E
RM
INA
L
FI
E
L
D
G
R
O
U
N
D
EQ
U
IPM
E
N
T
G
R
O
U
N
D
FI
E
L
D
S
P
L
IC
E
P
L
UG
RE
CE
P
T
A
C
L
E
N
O
T
ES:
3244
59
-1
01
RE
V
.
B
1.
Us
e
onl
y
co
pper
wi
re
between
t
he di
sc
onnec
t s
w
itc
h
and
the
uni
t.
2.
If
any
of the
or
ig
in
al
wi
re
, as
s
uppl
ied,
m
u
st
be r
e
p
lac
ed, us
e
th
e
sa
me or
equi
va
lent ty
pe wi
re
.
3.
Indu
ce
r
(I
DM)
and b
lower
(
B
LW
M)
motor
s c
ont
ai
n
inte
rn
al
a
ut
o
-r
e
se
t
ther
mal
ov
e
rl
oad
sw
itc
h
e
s.
4.
B
lo
w
er
motor
s
p
eed
se
le
ct
ions
ar
e for
av
e
ra
g
e
c
ondi
tions
. S
e
e
Ins
ta
lla
tion Ins
tr
uc
tions
f
o
r
det
ai
ls
on
o
pti
mum
s
peed s
e
le
ct
ion.
5.
Repl
ac
e
on
ly
wi
th
a
3-
A
M
P
f
u
se
.
6.
A
u
xi
liar
y
lim
it
sw
itc
h
es
(
A
LS
1 &
2)
us
ed on s
ome hor
iz
ontal
and
so
me downfl
ow
model
s.
7.
T
h
is
wi
re
mus
t
be c
onnec
ted t
o
f
u
rnac
e s
heet
met
al
f
o
r
co
n
tr
o
l to pr
ov
e
flame.
8.
F
a
ct
or
y
co
n
nec
ted w
hen LG
P
S
n
ot
us
ed.
RE
D
LS
FR
S
2
R E
D
RED
FR
S
1
(W
HE
N US
E
D
)
AL
S
1
DS
S
ORN
LG
P
S
YEL
NO
T
E
#
8
LP
S
N O
TE
#8
(W
HEN
USE
D)
RED
YEL
O R
N
(W
HE
N U
S
E
D
)
NO
T
E
#
6
AL
S
2
OR N
SW
IT
C
H
12
HE
A
T
SE
T
-U
P
SW
IT
C
H
NO
RM
HI H
T
LO
H
T
*
ON
OFF
OFF
ON
BL
O
W
E
R
-
O
FF D
E
L
A
Y
(S
E
C
.)
SW
IT
C
H
34
90
S
E
C
13
5 S
E
C
*
18
0 S
E
C
22
5 S
E
C
O N
O FF
O FF
O N
2
-ST
AG
E
F
URN
A
C
E
CO
N
T
RO
L
FAC
TO
R Y
SE
TTIN
G S
12
3
4
ON
OFF
3
2
1
BLU
B
LO
W
E
R
-O
FF D
E
LA
Y
BL
O
W
ER
-O
F
F
D
E
LA
Y
LO
W
-H
EAT
O
N
L
Y
H
IGH
-H
E
A
T
ON
L
Y
*
RE
D
RE
D
OR
N
W2
C
o
m
24
V
W/
W1
Y
/Y
2
R
G
H
U
M
LE
D
S
M
TJ
TW
IN
T
EST
12
11
10
GR N
GR Y
BRN
P1
W H
T
BLK
G R
Y
YE
L
3
2
1
9
8
7
W H
T
FSE
BLK
GR
Y
BR
N
HP
S
BR
N
HI
P
BL
U
GR
N
M
ID
M
HS
I
GR
N
IL
K
JB
L1
WH
T
PL
6
R E
D
BLK
W H
T
BLK
W H
T
12
123
PL
3
WHT
BL
K
RE
D
PL
2
PR1
PR2
L1
L
2
COMMO
N
H
I-C
O
O
L
HI
-GAS
HEAT
EA
C
-2
EAC-
1
LO-
GAS
HEAT
S
PARE
SEC1
FU1
SE
C
2
NO
T
E
#
4
BL
W
M
BR
N
BR
N
CA
P
WH
T
BL
K
TR
A
N
R E
D
BLU
W H
T
BLK
GV
C
GR
N
F
U
S
E
D
DI
S
C
O
N
NE
CT
S
W
IT
CH
(W
HE
N RE
Q
'D
)
NO
T
E
#
1
BL
K
WHT
GR
N
L2
GR
N
FU
2
C
O
NN
E
C
T
IO
N
DI
A
G
R
A
M
L1
BL
W
R
T
O
1
1
5
VAC
F
IEL
D
D
ISC
O
N
N
E
C
T
SW
IT
C
H
NO
T
E
#
1
E
Q
U
IPM
EN
T
G
R
O
U
N
D
L
O
-G
A
S
-H
E
A
T
H
I-
G
AS
-H
EA
T
SP
AR
E
NO
T
E
#
4
C
O
MMO
N
HS
IR
EA
C
-1
SC
H
E
M
A
T
IC
D
IAG
R
A
M
(N
A
T
U
R
A
L
G
AS &
PR
O
PAN
E)
EA
C
-2
3
1
HS
I
2
9
PL
2
PR
2
115V
A
C
PR
1
TR
A
N
24V
A
C
ID
R
L2
IL
K
ID
M
BL
W
M
B
H
I / L
O
R
BH
T
/
C
L
R
CA
P
BR
N
BR
N
PL
6
IH
I / L
O
R
SE
C
1
FU
1
NO
T
E
#
5
1
2
3
HI
CO
M
HP
S
R
1
5
6
2
N/
A
N/
A
H
I-
C
OOL
PL
3
4
7
SEC
2
8
LS
AL
S
1
DS
S
AL
S
2
FR
S
1
(W
HE
N US
E
D
)
FR
S
2
N/
A
12
2
3
MG
V
R
-2
9
6
NO
T
E
#
8
L
P
S
(W
HE
N U
S
E
D
)
TW
IN
TE
S
T
SL
A
V
E
MA
S
T
E
R
W/
W1
R
HU
M
TW
IN
N
IN
G
JU
M
P
E
R
TJ
W2
Y/
Y2
G
MG
V
R
-1
NO
T
E
#
8
HP
S
5
4
1
10
7
8
N/
A
N/
A
FS
E
11
HI
M
P
C
NOTE#
7
PL
1
C
O
M
P
O
N
EN
T
T
EST
T
o
in
iti
a
te
t
he c
om
ponent
t
e
st
s
equenc
e
w
ith
no t
her
m
o
st
at
input
s and
w
ith
al
l i
nduc
e
r
P
o
st
-P
u
rg
e
and B
lowe
r-
O
ff
D
e
la
y
per
iods
c
o
m
pl
e
ted,
s
hor
t
the
"T
W
IN
/T
E
S
T
" t
e
rm
inal
t
o
t
he "
C
O
M
" t
e
rm
inal
f
o
r about
tw
o s
e
conds
. T
he c
ont
ro
l w
ill
tu
rn
O
N
t
he
induc
er
m
o
to
r Low
-S
peed,
induc
er
m
o
to
r H
igh-
S
peed,
H
S
I,
bl
ow
er
m
o
to
r
Low
-G
as
-H
eat
S
p
ee
d,
bl
ower
m
o
to
r Hi
gh-
G
a
s-
H
eat
S
peed,
and
bl
owe
r m
o
to
r H
igh-
Cool
S
peed f
o
r 7-
15
se
co
nds
eac
h.
N
e
ither
t
he g
as
v
a
lv
e
no
r t
h
e
h
u
m
id
ifie
r w
ill b
e
t
u
rned
O
N
.
CP
U
LGP
S
LO
SW
1
GV
ORN
SW 4
SW 3
SW 2
C
OM
9.
S
ym
b
ol
s ar
e
an el
ec
tr
ic
al
r
e
pr
es
ent
ati
on onl
y.
10.
B
L
O
W
E
R
-O
N DE
LA
Y
:
G
a
s heati
ng
45 s
e
co
nds
,
C
ool
ing/
Heat P
u
m
p
2
se
conds
.
11.
C
ool
ing/
Heat P
u
m
p
B
L
O
W
E
R
-O
F
F
DE
LA
Y
is
90
se
conds
.
1
2
.
IG
N
IT
IO
N
-L
O
C
KO
U
T
w
ill o
ccu
r a
ft
e
r
fo
u
r
co
n
se
cu
tive
u
n
su
cc
e
ss
ful
tr
ia
ls
-f
or
-i
gni
tion.
Cont
ro
l wi
ll a
u
tomati
ca
lly
re
se
t
af
ter
thr
ee hour
s.
13.
C
ont
ro
l m
u
st
be gr
ounded at pi
n 10 of
1
2
-p
in
c
onn
ec
to
r.
14.
N
A
-
Not
A
ppl
ic
abl
e
15.
S
par
e ter
mi
nal
and w
ir
e
not
av
ai
labl
e on s
ome
a
ppl
ic
ati
ons
.
Ins
ul
a
te c
onne
ct
or
if
n
o
t
av
ai
labl
e.
RE
D
LO
RE
D
ME
D
L
O
BL
U
CO
M
W
H
T
BL
K
HI
YEL
M
E
D HI
ME
D
CO
M
HI
ME
D
ME
D
L
O
LO
NO
T
E
#
1
5
OR
N
SPA
R
E
M
E
D HI
SPAR
E
BL
U
N
O
T
E
#15
12
