![background image](http://html.mh-extra.com/html/carrier/58cva/58cva_installation-start-up-operating-and-service-and-maintenance-instructions_2562745042.webp)
L
E
G
E
N
D
JU
N
C
TI
O
N
TERMINAL
C
O
NTROL
T
E
RMINAL
FA
C
TO
R
Y PO
W
E
R
W
IR
IN
G
(
115V
A
C
)
FA
CT
O
R
Y
CO
N
TR
O
L
WI
RI
NG (2
4
V
AC
)
FI
EL
D C
O
NTROL
WI
RI
NG (2
4
V
AC
)
C
O
ND
UC
TOR ON
C
O
NTROL
FI
EL
D WI
RI
NG
SC
RE
W
TE
RMI
N
AL
EQU
IP
M
ENT
GROUN
D
PL
UG
R
E
C
E
PT
A
C
LE
NO
TE
S
:
32756
2-101 R
EV. C
1.
If
an
y o
f the
ori
gi
na
l e
q
ui
p
m
e
n
t w
ir
e
is
r
e
p
lac
ed
u
se
w
ir
e
rat
e
d
f
or 1
0
5
∞
C.
2.
U
se
o
n
ly
cop
pe
r
w
ire b
e
tw
ee
n t
h
e
dis
co
n
n
e
ct
sw
itc
h
and
t
h
e furnac
e junc
tio
n
b
o
x
(J
B
).
3
.
Th
is
wi
re
m
u
st
b
e
c
o
nn
ec
te
d
t
o
f
u
rn
ac
e s
h
e
e
t met
a
l f
o
r co
nt
ro
l t
o
pr
ov
e f
lame.
4.
S
ym
b
o
ls
are e
lectr
ic
al
rep
re
se
nt
a
tio
n
on
ly
.
5
.
So
lid l
ine
s
in
si
de PCB a
re p
ri
n
te
d c
ir
cu
it b
o
a
rd
c
o
nd
uc
to
rs
a
n
d
ar
e
no
t i
n
cl
u
d
ed
in
le
g
e
n
d
.
6.
R
e
pl
ac
e o
n
ly
w
ith
a 3
am
p
f
u
se.
7.
In
duc
to
r is u
sed
w
ith
3/4
hp
an
d
1 h
p
E
C
M
B
low
e
r m
o
tor
s.
8.
F
a
ct
ory c
onn
ec
te
d
w
h
en
(LG
P
S
)
not us
ed.
9.
B
lo
w
er off
-delay, ga
s h
eati
ng
se
le
ct
io
n
s a
re (
9
0
, 1
20, 15
0
, 18
0) s
e
co
nd
s,
c
o
o
lin
g
or h
e
a
t pu
m
p
90
se
co
nds
or 5
se
co
nds
w
hen
de
hu
m
idi
fy
ca
ll i
s a
ct
ive.
1
0
.
Ign
iti
o
n
lo
ck
out
wi
ll oc
cu
r a
ft
e
r f
o
u
r co
n
se
cu
tiv
e un
su
cc
es
sf
u
l t
ri
a
ls
f
o
r i
g
ni
tio
n
.
Co
nt
ro
l wi
ll
a
u
to
-r
e
se
t
a
fte
r th
re
e
h
o
u
rs
.
11
.
In
duc
er m
o
tor (I
D
M
) c
o
n
ta
in
s int
e
rn
a
l auto-r
e
set t
h
erm
al
o
ve
rl
o
a
d
sw
itc
h
.
1
2
.
F
a
ct
or
y co
n
n
e
ct
e
d whe
n BVSS i
s n
o
t u
se
d
.
BVSS u
se
d
whe
n Chi
m
n
e
y Ad
ap
te
r Ac
ce
ss
o
ry
Ki
t
is
in
st
a
lle
d
.
13
.
A
ny
of t
h
e
5 w
ire
s sh
ow
n
w
ithi
n
th
e N
E
U
T
R
A
L
L2
b
o
x
ca
n
be
co
nn
ected
t
o
an
y term
inal w
ith
in
the
b
o
x.
14
.
B
lo
w
e
r m
o
tor
(
B
L
W
M
)
is
lo
cke
d-r
o
to
r o
verl
o
ad
prot
e
ct
e
d b
y re
dun
da
n
t electr
on
ic
c
o
n
trol
ci
rcu
its.
A/
C
Ai
r
C
o
nd
it
io
ni
ng
(A
d
jus
ta
b
le
Ai
rf
lo
w
-C
FM
)
AC
R
Ai
r
C
o
nd
it
io
ni
ng
Rel
a
y, S
P
ST
(
N.O.)
AC
RD
J
Ai
r
C
o
nd
it
io
ni
n
g
Rel
a
y
Def
ea
t
Ju
mp
er
B
LWM
B
low
e
r M
o
tor
(
E
C
M
)
B
V
SS
B
locke
d
V
e
n
t S
a
fe
ty
Swi
tch,
Ma
nu
a
l R
e
set,
SP
ST
(
N
.C
.)
CF
C
o
n
tin
u
o
u
s
Fan
(
A
dju
st
ab
le
A
ir
flo
w
-
C
FM
)
C
O
MMR
C
o
mmuni
c
a
ti
o
n
Re
la
y,
S
P
DT
C
P
U
M
icr
o
p
ro
ces
so
r 7
C
ircui
tr
y
D
H
UM
DH
UM
C
o
nne
c
ti
o
n
(2
4
V
AC 0
.0
2
Amp
s)
DS
S
D
ra
ft S
a
fe
g
u
a
rd
S
w
.,
Au
to
-R
e
se
t, S
P
ST
(
N
.C
.)
EAC
-1
El
ectr
o
n
ic
A
ir
C
lea
n
e
r C
o
n
n
ecti
o
n
(1
1
5
V
A
C
1
.0
Amp
Ma
x.
)
EAC
-2
El
ectr
oni
c A
ir
C
lea
ner
C
o
n
n
ecti
on
(
C
o
mmon)
FR
S
F
la
m
e
Rol
lo
ut
Swi
tc
h, M
a
n
. Re
set
, SP
ST
(N
.C
.)
FS
E
Fla
m
e
-P
ro
v
in
g
S
e
n
so
r
E
le
c
tr
o
d
e
FU
SE
F
use
, 3
A
m
p
, Au
tomo
ti
v
e
B
la
d
e
Typ
e
,
Fa
ct
o
ry In
st
a
lle
d
GV
Ga
s
V
a
lv
e
GV
R
Ga
s
V
a
lv
e
Rel
a
y, D
P
ST
(
N.O.
)
H
P
S
H
igh-
H
e
a
t
P
ress
ure
Swi
tch
, S
P
ST (
N.O.
)
H
P
SR
H
igh-
H
e
a
t
P
ress
ure
Swi
tch
Re
la
y,
SP
ST
(N.C
.)
H
SI
H
o
t
Sur
fa
ce I
g
n
iter
(
1
15V
AC
)
H
SIR
H
o
t
Sur
fa
ce I
g
ni
ter
Rel
a
y,
SP
ST
(N.O.
)
HU
M
24V
A
C
Hu
m
idifie
r C
o
n
n
e
c
ti
o
n
(
0
.5
A
m
p
M
a
x.
)
H
U
MR
H
u
m
id
if
ie
r
Re
la
y
, S
P
ST
(
N
.O
.)
ID
M
In
d
u
c
e
r
D
ra
ft M
o
to
r, 2-
Sp
e
e
d
, S
h
a
d
ed
P
o
le
ID
R
In
d
u
c
e
r
M
o
to
r
Rel
a
y, SP
ST
(
N.O.)
IH
I/
LO
R
In
d
u
cer
M
o
tor
Sp
eed
C
h
a
n
g
e
Re
la
y,
SP
D
T
IL
K
B
lower
Do
or
In
terl
o
c
k
Swi
tch
, S
P
ST (
N.O.)
IN
D
In
d
u
c
tor (N
ot
e
#
7
)
LE
D
Li
g
h
t Emi
tti
ng
Di
o
d
e
f
o
r Sta
tus
C
o
d
e
s
LG
P
S
Lo
w Ga
s
P
ress
ur
e
Swi
tc
h, S
P
ST
(N.O.
)
LP
S
Lo
w-
H
e
a
t
P
ress
ure
Swi
tc
h, S
P
ST (
N.O.
)
LS
1
,
2
Li
m
it
S
w
itch,
Auto
-R
es
e
t,
SP
ST
(
N
.C
.)
PC
B
Pr
in
te
d
Ci
rc
ui
t B
o
a
rd
P
L1
1
2
-C
irc
u
it
C
o
n
n
e
c
to
r
PL
2
4
-C
irc
u
it
H
SI
&
ID
M
Co
nne
c
to
r
P
L3
4
-C
ircu
it
EC
M
B
LWM C
o
n
n
ecto
r
P
L4
4
-Cir
c
u
it
M
o
de
l Plu
g
Co
n
n
e
c
to
r
P
L7
4
-C
ircu
it
C
o
mmuni
c
a
ti
o
n
C
o
nn
ector
P
L9
2
-Cir
c
u
it
O
A
T Co
nn
e
c
to
r
P
L1
0
2
-Cir
c
u
it
HS
I Co
nn
e
c
to
r
PL
1
1
ID
M C
o
n
n
e
c
tor (3
-C
irc
u
it
)
P
L12
1
-C
ircu
it
In
d
u
cto
r Sp
lic
e
C
o
n
n
ecto
r
PL
1
3
1
6
-C
irc
u
it
E
C
M B
lowe
r
Ct
rl.
Co
nne
c
to
r
P
L1
4
5
-Cir
c
u
it
E
C
M B
low
e
r Po
w
e
r Co
n
n
e
c
to
r
SW1
-1
Ma
nua
l Sw
itch,
St
a
tus
C
o
d
e
Re
ca
ll,
S
P
ST
(N.
O.)
SW1
-2
Ma
nua
l Sw
itch,
Lo
w
-H
e
a
t On
ly
, S
P
ST(N
.O.)
SW1
-3
Ma
nua
l Sw
itch,
Lo
w
-H
e
a
t Ri
se
Ad
j. S
P
ST
(N.
O.)
SW1
-4
Ma
nua
l Sw
itch,
C
o
mf
or
t/
Ef
fici
enc
y
Ad
just
ment,
SP
ST
(N
.O
.)
SW1
-5
Ma
nua
l Sw
itch,
C
ool
in
g
C
FM
/T
o
n
, SP
ST
(
N.O.)
SW1
-6
Ma
nua
l Sw
itch,
C
o
mp
onent
T
e
st
, SP
ST
(
N.O.)
SW1
-7
,8
Ma
nua
l Sw
it
ches,
B
lowe
r Of
f-
Del
a
y
, SP
ST
(N.O.)
SW4
-1
Ma
nua
l Sw
it
c
h
, T
w
in
n
ing
M
a
in
(O
FF
) /
Se
c
. (O
N
)
SW
4-2&
3
FO
R
FU
TU
R
E
U
SE
TRAN
Tr
a
n
sf
o
rmer
, 1
1
5
V
AC
/
2
4
V
A
C
GV
M
C
HI
NOTE #
3
BLU
BR
N
HP
S
GRN
/Y
EL
FR
S1
FR
S2
DS
S
BV
SS
NOT
E #
8
(W
H
E
N
US
E
D
)
GR
Y
ORN
RED
NOT
E
#
1
2
RED
RED
RED
ORN
LP
S
(W
H
E
N U
SE
D
)
LG
P
S
BR
N
FS
E
WH
T
PL
3
1
4
HS
I
L1
FU
SE
D OR
CI
RC
U
IT
B
R
EA
K
E
R DISC
ONNEC
T
SW
IT
C
H
(
W
H
E
N
REQ'
D)
NOTE #
2
GN
D
NE
UT
RA
L
FU
2
BLK
IL
K
PL
10
JB
1
2
BL
K
WH
T
PL
1
TRAN
BLWM
NEUTRA
L -
L
2
L1
EAC
-1
PL
1
2
IN
D
NOTE #
7
PL12
4
LO
HI
HSI
PL
2
VS
EAC
-2
NOTE #1
3
BL
K
WH
T
WH
T
WH
T
RED
BLU
SEC
-2
CODE
SEC
-1
HUM
FU
SE
3-AM
P
W/
W
1
DH
UM
G
24
V
om
C
W2
Y
/Y2
R
Y1
STATUS
LE
D
S
COM
M
ACRD
J
PL8
PL
9
OAT
SW4
PL
7
AB
C
D
CF
AC
SW1
PL4
GRN/
Y
E
L
1
.
Def
a
u
lt
A/
C a
ir
flo
w
whe
n A/
C
sw
it
c
h
es
a
re i
n
OF
F p
o
si
ti
on
2
. Def
a
u
lt
con
t.
fa
n a
ir
flo
w when CF
swi
tc
h
es
a
re
in
OF
F p
o
si
ti
on
A/
C
OR
C
F AI
RF
LO
W S
E
LE
C
TI
O
N
C
H
ART
B
A
SED
ON 3
5
0
C
FM/
TON
1
HS
I
2
ID
M
1
2
3
HI
CO
M
LO
S
C
H
E
MA
T
IC DI
A
G
R
A
M
ID
R
TO 11
5VAC FI
EL
D-
DI
SC
ONN
ECT SW
IT
CH
IL
K
EQ
U
IP
M
EN
T
GR
O
U
N
D
1
2
3
HS
IR
IH
I/L
O
R
PL
2
L2
L2
FU
1
NO
T
E
#6
DS
S
FR
S
2
PL
1-
8
R
PL
1-
6
LS
1
L2
PL1
1
PL1
0
NO
T
E
#1
2
4
CPU
NOT
E #
5
PC
B
PL3
12
3
4
BLWM
PL1
3
10 16
1 7
5
4
3
2
1
EAC
-1
PL
1
4
PL
1
2
IN
D
NOTE #
7
PL
1
2
L1
EAC
EAC
-2
TR
A
N
115
V
A
C
L1
L2
SE
C
2
SE
C
1
24V
A
C
(W
HE
N U
S
E
D
)
BVSS
P
L1-
12
HP
S
R
GV
LP
S
NO
T
E
#8
LG
P
S
(W
HE
N
US
E
D
)
HP
S
HI
P
L1-
2
PL1
-4
PL1
-3
P
L1-
10
P
L1-
5
W/
W
1
CP
U
GV
R
D
HUM
W2
Y/
Y
2
G
Y1
CO
M
NO
T
E
#
3
C
M
PL1
-1
FS
E
NO
T
E
#5
AC
R
CO
M
M
R
PC
B
1
1
1
1
2
2
2
100
1750
1400
1
400
1400
1
225
1225
1225
1225
1
225
1
050
1
050
10
50
875
875
87
5
70
0
70
0
700
525
525
110
,135
,
1
5
5
090
DE
F.
DE
F.
DE
F.
070
SI
ZE
MO
D
E
L
1 2 3
OFF
1 2 3
OFF
1 2 3
OFF
1 2 3
OFF
1 2 3
OFF
1 2 3
OFF
1 2 3
OFF
1 2 3
OFF
ORN
BLK
GRN/
Y
E
L
5
16
17
10
BLU
YEL
GRN
RED
PL
1
3
PL
1
4
BL
K
YE
L
CO
NNE
CT
IO
N DI
A
G
RA
M
WH
T
RED
BL
K
BL
K
WH
T
YEL
1
4
3
2
BLU
YEL
GRN
RED
SW1
-7
,8
B
LOWER OF
F D
E
LA
Y
SE
LE
C
TI
O
N
90
SE
C
12
0
SE
C
15
0
SE
C
1
80
SE
C
OFF OFF OFF OFF
7 8 7 8 7 8 7 8
1
1
2
1
1
ACRDJ
GR
N
/Y
E
L
ID
M
CO
M
LO
PL1
1
1
3
2
HI
WH
T
RE
D
BLK
PRINTED CIRCIUT BOARD
PRINTED CIRCIUT BOARD
HUM
R
HU
M
RED
LS
2
(W
HE
N
US
E
D
)
RED
LS
2
(W
HE
N U
S
E
D
)
FR
S
1
LS
1
MO
D
E
L
MO
DE
L
SI
ZE
PLU
G
HK
70EZ
P
IN RESIS
TANC
E K
1 -
4
2 -
3
070
090
110
135
155
00
1
00
3
00
4
00
5
00
6
5.
1
5.
1
5.
1
5.
1
5.
1
11
24
33
39
51
P
L4
-
MO
DE
L
PL
UG
CH
AR
T
A02160
Fig.
51
—
Wiring
Diagram
41