Bryant ASPAS1BBA015 Manual de usuario Pagina 78

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Page 78
SECTION 4.2
OPERATIONAL ANALYSIS
PART 4
DC CONTROL
INITIAL DROPOUT OF
UTILITY SOURCE VOLTAGE
Refer to Figure 2, above. Should a "Utility" power
source failure occur, circuit condition may be briefly
described as follows:
The circuit board constantly senses for an
acceptable "Utility" source voltage, via transfer
switch fuses F1/F2, transfer switch "Utility 1/Utility
2" terminals, connected wiring, control panel "Utility
1/Utility 2" terminals, the sensing transformer (TX),
and Wires 224/225.
C
HAR
G
E
R
BATTERY
0
1
62
22
V
O
LTA
GE
RE
GU
LAT
OR
ELE
C
TR
O
NI
C
6
4
0
11
(
STATOR
)
DPE WINDIN
G
C
2-
8
2
C
2-
7
C
2-1
1
C
2-1
0
C
B
2
4
0
22
6
BA
FIELD
0
1
3
11
0
77
C
2-
1
3
1
2
C
1-
3
4
14
11
1
6
17
12
1
3
1
5
14
C
2-
3
PRINTED
C
IR
CU
I
T
0
C
1-
6
C
2-
9
0
0
55
C
2-
4
4
0
WINDIN
G
EN
G
INE R
UN
(
STATOR
)
66
CO
NTR
OL
B
O
AR
D
3
2
1
J2
3
7
9
4
6
5
J1
5
4
1
2
66A
66A
85
351
HT
O
C
1-
4
C
2-
2
0
0
S
W
2
17
22
5
1
5
224
0
66A
14
1
94
2
3
1
94
56
1
5A
66A
2
39
1
8
86
2
3
224
4
86
0
L
OP
14
22
5
2
39
1
5A
2
3
1
94
1
3
22
5B
BATTERY
C
HAR
GE
WINDIN
G
1
3
1
2
77
224B
11
22
1
6
66
3
4
22
5A
224A
9
7
7
9
B
CR
0
14
1
3
1
3
1
3
0
0
224
22
5A
22
5
224A
22
11
0
0
1
5A
TX - TRANSFORMER, 16 Vac 56 VA & 16 Vac 1 VA
(
DUAL SEC.
)
DIA
G
RAM KE
Y
BA - BR
US
H A
SS
EMBL
Y
SC
R -
S
TARTER
CO
NTA
C
T
O
R RELA
Y
SC
-
S
TARTER
CO
NTA
C
T
OR
HT
O
- HI
G
H
O
IL TEMPERAT
U
RE
S
WIT
CH
F
S
- F
U
EL
SO
LEN
O
I
D
CB1 - CIRCUIT BREAKER
,
MAIN OUTPU
T
L
O
P - L
O
W
O
IL PRE
SSU
RE
S
WIT
CH
IM2 - IGNITION MODULE
,
CYLINDER #
2
IM1 - IGNITION MODULE
,
CYLINDER #
1
S
W1 - A
U
T
O
/
O
FF
/
MAN
U
AL
S
WIT
CH
S
M -
S
TARTER M
O
T
OR
S
W2 -
S
ET EXER
C
I
S
E
S
WIT
CH
SP1
,
SP2 - SPARK PLUG
S
CB2 - CIRCUIT BREAKER
,
ALT. EXCITATIO
N
B
C
R - BATTERY
C
HAR
G
E RELA
Y
F2 - F
US
E 7.
5
AM
P
D - DI
O
D
E
F1 - F
US
E 1
5
AM
P
CB3 - CIRCUIT BREAKER
,
EXTERNAL OUTLET
,
PUSH/PUL
L
= 12 VD
C
ALWAY
S
PRE
S
EN
T
= A
C
V
O
LTA
GE
=
G
R
OU
ND F
O
R
CO
NTR
O
L P
U
RP
OS
E
S
= 12 VD
C
D
U
RIN
G
C
RANKIN
G
O
NL
Y
= 12 VD
C
D
U
RIN
G
EN
G
INE R
U
N
CO
NDITI
ON
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