73
Dual Gas Three Phase Wire Diagram
Natural Gas
Valve
Concert Boiler
Control (A1167)
F1
(6.3A Slow Blow)
Burner on/off
switch
L2
Lockout Alarm
Output
(Dry Contact)
Boiler Running
Output
(Dry Contact)
RED
Alarm Buzzer with
Internal Silence
Water Flow
Switch
79
Condensate
Float Switch
P2-8
72
P2-9
P2-3
71
P1-5
70
(Cut Jumper
When Limit
Used)
92
88
89
87
80
P2-10
PCB-01
LWCO
P3-8
(A5)
J7-4
P3-9
J3
J6
P3-10
P3-12
P3-6
P3-5
J4-12
J4-10
(A8)
J7-1
(A2)
J6-1
(A3)
J7-6
(A6)
J7-3
(A7)
J7-2
(A1)
J6-2
(ILK)
J5-1
P1-2
J4-8
(LCI)
J6-3
24Vdc Display
Power Supply
L (+)
N (-)
J6-7
J6-8
111
R1
R2
P18b-2
P18b-3
P18b-1
P4a-3
112
P4a-2
Ignition
Transformer
For Spark
Brown
Blue
J5-4
P2-7
P1-1
X1
X2
X3
GRD
120vac
24vac
A
B
APS
Blower On
Thermal Fuse
Blocked Vent Switch
Low GPS
High GPS
P1-4
P4a-1
R2
R1
PCB-05
39
40
41
42
P2-2
P3-2
96
97
95
J7
99
100
98
102
103
101
91
90
P3-7
(A4)
J7-5
J5
Spare Limit
J8
J9
J10
104
82
81
84
83
86
85
P2-5
P2-4
P3-1
J4
77
78
76
73
J2
75
74
J1
L1
J5-2
107
108
P3-3
109
110
Ground Screw
Terminal
P3-11
P1-3
P1-6
P2-1
P2-6
C
C
C
NO
NC
NO
NC
C
N/A
N/A
N/A
1
2
3
1
2
3
Back View
E
1
2
P1
P2
LT
To Grounding
Conductor
Boiler must be grounded in accordance
with ANSI National Electric Code.
105
106
P3-4
N/A
A
B
1
1.1
NO
C
93
94
Transformer
+
-
120-24Vac
Transformer
R
C
1
2
3
E
LP Gas
Valve
C
NO
Low GPS 2
OFF
LP
NAT
Spare Limit
OFF
LP
NAT
OFF
LP
NAT
High GPS 2
C NC
3P
DT
S
w
itc
h f
or Du
al F
ue
l
Combustion Blower Power
GND
GND
L2
S
T
1
L3
L1
D
Blower
Fuses
L1
L2 L3
Connect to V/C/P
Power Supply
C
Primary
Fuses
Continue to low
voltage circuit
Wiring Legend
Wiring Line Types:
Terminal Types:
Terminals :
C = Common
NC = Normally Closed
NO = Normally Open
Factory Wire Harness – Line Voltage
Factory Wire Harness – Low Voltage
Factory wiring special Igniter
Field Wiring – Line Voltage
Field Wiring – Low Voltage
Male/Female Connector
Screw Terminal
70 PCB Screw Terminal
Annotations:
Optional Part
Field Installed
Ground Screw Terminal
Wire Nut
J8
Uncut Jumper
J8
Cut Jumper
Jumpers Cut:
1, 2, 3, 7, 8, 9, 11
Unused Terminals:
33, 34, 35, 37, 38
Last Terminal:
118
Cold Air Damper
End Switch
Standby Loss
Damper End Switch
J13
Isolation Valve
End Switch
J14
External Limit
(High Limit Auto
Reset when used
J15
Spare
Limit
32
J16
P30-4
PCB-03
J12
25
26
24
28
29
27
31
30
23
P30-3
PN: 80160667)
(continued)
Содержание BFITW 1000
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