48
Figure 21: Ladder Diagram
Main 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
Cold Air Damper
End Switch
70
Standby Loss
Damper End Switch
(Cut Jumper
When Limit
Used)
J13
Isolation Valve
End Switch
J14
External Limit
(High Limit Auto
Reset when used
J15
Spare
Limit
32
J16
P30-4
92
88
89
87
80
P2-10
PCB-03
(Optional) PN: 106697-01
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
Combustion Blower Power
.25 KVA Control
Circuit
Transformer
C0250E5EFB
X1
X2
X3
GRD
120vac
24vac
L1
L2
GRD
Connect to V/C/P
Power Supply
A
B
C
C
Amp
Primary
Fuse
Amp
Primary
Fuse
GRD
L
A
B
C
APS
Blower On
Burner
Thermal
Fuse
Blocked
Vent
Switch
Low GPS
High GPS
P1-4
J12
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
25
26
24
28
29
27
31
30
23
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
P30-3
Spare Limit
79
80
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.
IMPORTANT:
The wiring shown for devices supplied and installed by others is suggested only. Certification of, and responsibility for the correctness of the
wiring is the responsibility of
the supplier of these devices. Thermal Solutions accepts no responsibility for the correctness or safety or execution of this wiring or of the operation of such
devices.
S
T
1
N
105
106
P3-4
N/A
A
B
1
1.1
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, 7, 8, 9, 10
Unused Terminals:
33, 34, 35, 37, 38
Last Terminal:
118
V/C/P 208/60/1 230/60/1
NO
C
93
94
Transformer
used for 208 V
and 240 V
only.
Voltage (V)
Phase Freq. (Hz)
1
60
60
60
120
208
230
1
1
Power Supply
Configurations
PN: 80160667)
Spare Limit
To Next Page
+
-
120-24Vac
Transformer
R
C
H1
H1
H2
H3
3 AMP
3 AMP
Содержание BFIT 1000
Страница 9: ...9 Figure 1 BFIT MODEL 1000 2000 ...
Страница 12: ...12 IV BFIT Component Identification continued Figure 2 Component Identification ...
Страница 13: ...13 IV BFIT Component Identification continued Figure 3 Component Identification ...
Страница 52: ...52 Figure 24 Operating Instructions XII System Start up continued ...
Страница 66: ...66 APPENDIX D INLET OUTLET WATER AND FLUE OUTLET TEMPERATURE SENSOR RESISTANCE VOLTAGE CHART ...
Страница 68: ...68 ...