45
Table 14-- Orifice Size* And Manifold Pressure (In. wc) For Gas Input Rate (CONT)
A08221A
To
ini
t
ia
te the compo
n
e
n
t test seque
n
ce, shut O
FF
the room thermost
a
t or d
i
sco
nn
ect the "R"
thermost
a
t le
a
d. Br
i
efly short the TEST
/
TWIN term
ina
l to the "
C
om
2
4V" term
ina
l. St
a
tus LED
w
i
ll fl
a
sh code
an
d the
n
tur
n
ON the
in
ducer motor. The
in
ducer motor w
i
ll ru
n
for the e
n
t
i
re
compo
n
e
n
t test. The hot surf
a
ce
i
g
ni
tor, blower motor f
an
speed (o
n
A
M
BER LED bo
a
rds
o
n
ly) blower motor-he
a
t speed,
an
d blower motor-cool speed w
i
ll be tur
n
ed ON for
10
-
15
seco
n
ds e
a
ch. G
a
s V
a
lve
an
d Hum
i
d
i
f
i
er w
i
ll
n
ot be tur
n
ed o
n
.
CONTINUOUS OFF
-
C
heck for
115
VA
C
a
t L
1
an
d L
2
,
an
d
2
4VA
C
a
t SE
C
-
1
an
d SE
C
-
2
.
CONTINUOUS ON
-
C
o
n
trol h
a
s
2
4VA
C
power.
RAPID FLASHING
- L
in
e volt
a
ge (
115
VA
C
) pol
a
r
i
ty reversed. If tw
inn
ed, refer to tw
innin
g k
i
t
in
struct
i
o
n
s.
LED CODE
STATUS
11 NO PREVIOUS CODE
- Stored st
a
tus code
i
s er
a
sed
a
utom
a
t
i
c
a
lly
a
fter 7
2
hours. O
n
RED LED bo
a
rds stored st
a
tus codes c
an
a
lso be er
a
sed whe
n
power
(
115
VA
C
or
2
4 VA
C
) to co
n
trol
i
s
in
terrupted.
12 BLOWER ON AFTER POWER UP
(
115
VA
C
or
2
4 VA
C
) -Blower ru
n
s for
90
seco
n
ds,
i
f u
ni
t
i
s powered up dur
in
g
a
c
a
ll for he
a
t (R-W closed) or R-W ope
n
s dur
in
g blower
o
n
-del
a
y.
13 LIMIT CIRCUIT LOCKOUT
- Lockout occurs
i
f the l
i
m
i
t, dr
a
ft s
a
fegu
a
rd, fl
a
me rollout, or
blocked ve
n
t sw
i
tch (
i
f used)
i
s ope
n
lo
n
ger th
an
3 m
in
utes.
-
C
o
n
trol w
i
ll
a
uto reset
a
fter three hours. - Refer to #33.
14 IGNITION LOCKOUT -
C
o
n
trol w
i
ll
a
uto-reset
a
fter three hours. Refer to #34.
21 GAS HEATING LOCKOUT
-
C
o
n
trol w
i
ll NOT
a
uto reset.
C
heck for: -
Mi
s-w
i
red g
a
s v
a
lve
-Defect
i
ve co
n
trol (v
a
lve rel
a
y)
22 ABNORMAL FLAME-PROVING SIGNAL
-
F
l
a
me
i
s proved wh
i
le g
a
s v
a
lve
i
s de-
e
n
erg
i
zed. I
n
ducer w
i
ll ru
n
u
n
t
i
l f
a
ult
i
s cle
a
red.
C
heck for: - Le
a
ky g
a
s v
a
lve
- Stuck-ope
n
g
a
s v
a
lve
23 PRESSURE SWITCH DID NOT OPEN
C
heck for:
- Obstructed pressure tub
in
g. - Pressure sw
i
tch stuck closed.
24 SECONDARY VOLTAGE FUSE IS OPEN
C
heck for:
- Short c
i
rcu
i
t
in
seco
n
d
a
ry volt
a
ge (
2
4VA
C
) w
i
r
in
g.
If st
a
tus code rec
a
ll
i
s
n
eeded, br
i
efly remove the
n
reco
nn
ect o
n
e m
ain
l
i
m
i
t w
i
re to d
i
spl
a
y stored st
a
tus code. O
n
RED LED bo
a
rds do
n
ot remove power or blower door before
ini
t
ia
t
in
g st
a
tus code rec
a
ll. After
st
a
tus code rec
a
ll
i
s completed compo
n
e
n
t test w
i
ll occur.
327596-101 REV. B
31
PRESSURE SWITCH DID NOT CLOSE OR REOPENED
- If ope
n
lo
n
ger th
an
f
i
ve m
in
utes,
in
ducer shuts off for
15
m
in
utes before retry.
C
heck for: - E
x
cess
i
ve w
in
d
- Proper ve
n
t s
i
z
in
g - Defect
i
ve
in
ducer motor
- Low
in
ducer volt
a
ge (
115
VA
C
) - Defect
i
ve pressure sw
i
tch
- I
na
dequ
a
te combust
i
o
n
ai
r supply - D
i
sco
nn
ected or obstructed pressure tub
in
g
- Low
in
let g
a
s pressure (
i
f LGPS used) - Restr
i
cted ve
n
t
If
i
t ope
n
s dur
in
g blower o
n
-del
a
y per
i
od, blower w
i
ll come o
n
for the selected blower
off-del
a
y.
33 LIMIT CIRCUIT FAULT -
I
n
d
i
c
a
tes
a
l
i
m
i
t, dr
a
ft s
a
fegu
a
rd, fl
a
me rollout, or blocked ve
n
t
sw
i
tch (
i
f used)
i
s ope
n
. Blower w
i
ll ru
n
for 4 m
in
utes or u
n
t
i
l ope
n
sw
i
tch rem
a
kes
wh
i
chever
i
s lo
n
ger. If ope
n
lo
n
ger th
an
3 m
in
utes, code ch
an
ges to lockout #
1
3.
If ope
n
less th
an
3 m
in
utes st
a
tus code #33 co
n
t
in
ues to fl
a
sh u
n
t
i
l blower shuts off.
F
l
a
me rollout sw
i
tch
an
d BVSS requ
i
re m
an
u
a
l reset.
C
heck for: - Restr
i
cted ve
n
t
- Proper ve
n
t s
i
z
in
g - Loose blower wheel. - E
x
cess
i
ve w
in
d
- D
i
rty f
i
lter or restr
i
cted duct system.
- Defect
i
ve blower motor or c
a
p
a
c
i
tor. - Defect
i
ve sw
i
tch or co
nn
ect
i
o
n
s.
- I
na
dequ
a
te combust
i
o
n
ai
r supply (
F
l
a
me Roll-out Sw
i
tch ope
n
).
34 IGNITION PROVING FAILURE
-
C
o
n
trol w
i
ll try three more t
i
mes before lockout #
1
4
occurs. If fl
a
me s
i
g
na
l lost dur
in
g blower o
n
-del
a
y per
i
od, blower w
i
ll come o
n
for the
selected blower off-del
a
y.
C
heck for: -
F
l
a
me se
n
sor must
n
ot be grou
n
ded
- O
xi
de bu
i
ldup o
n
fl
a
me se
n
sor (cle
an
w
i
th f
in
e steel wool).
- Proper fl
a
me se
n
se m
i
cro
a
mps (.
5
m
i
cro
a
mps D.
C
. m
in
., 4.
0
-
6
.
0
n
om
ina
l).
- G
a
s v
a
lve defect
i
ve or g
a
s v
a
lve tur
n
ed off -
Man
u
a
l v
a
lve shut-off
- Defect
i
ve Hot Surf
a
ce Ig
ni
tor -
C
o
n
trol grou
n
d co
n
t
in
u
i
ty
- Low
in
let g
a
s pressure - I
na
dequ
a
te fl
a
me c
a
rryover or rough
i
g
ni
t
i
o
n
- Gree
n/
Yellow w
i
re
MUST
be co
nn
ected to fur
na
ce sheet met
a
l
45 CONTROL CIRCUITRY LOCKOUT
Auto-reset
a
fter o
n
e hour lockout due to;
- G
a
s v
a
lve rel
a
y stuck ope
n
-
F
l
a
me se
n
se c
i
rcu
i
t f
ai
lure - Softw
a
re check error
Reset power to cle
a
r lockout. Repl
a
ce co
n
trol
i
f st
a
tus code repe
a
ts.
SERVICE
COMPONENT TEST
EA
C
H O
F
THE
F
OLLOWING STATUS
C
ODES IS A TWO DIGIT NU
M
BER WITH THE
F
IRST DIGIT DETER
M
INED BY THE NU
M
BER O
F
SHORT
F
LASHES AND THE SE
C
OND DIGIT BY THE NU
M
BER O
F
LONG
F
LASHES.
A04223
Fig. 55 -- Service Label
58PH
A
Содержание start-up and
Страница 41: ...41 Table 13 Orifice Size and Manifold Pressure In wc for Gas Input Rate A08220 58PHA ...
Страница 42: ...42 Table 13 Orifice Size and Manifold Pressure In wc for Gas Input Rate CONT A08220A 58PHA ...
Страница 44: ...44 Table 14 Orifice Size And Manifold Pressure In wc For Gas Input Rate A08221 58PHA ...
Страница 52: ...52 A08176 Fig 59 Wiring Diagram 58PHA ...
