49
Figure 22: Ladder Diagram continued...
J8-8
J8-10
J8-9
J9-4
J9-6
J9-5
Supply Sensor
J8-4
J8-11
J8-5
J9-1
P20-1
P20-5
P20-4
P20-6
54
53
52
51
50
49
Header or Outdoor Temperature Sensor
(Optional)
Direct Immersion PN: 101935-01
Mounted PN: 103104-01
DHW Temperature Switch OR Sensor Input
(Optional)
Sensor PN: 101935-01
Return Temperature Sensor
J10-2
J10-3
P20-2
P20-3
Time of Day Contact (Optional – Supplied by
others)
PCB-04
43
44
J17
P18a-4
P18a-3
P4b-1
J11
P4b-2
J8-3
P5-8
P5-11
47
48
M
B1
A
B
C
Modbus To/From
Energy Management
System (EMS)
Communication
In/Out
Transfers both
EMS
and Boiler peer
to
peer signals
between boilers
RJ45
A
B
C
M
B2
BACnet MSTP,
Metasys
N2 or LonWorks
(When optional
Universal
Gateway Installed)
Modbus To Other
Controllers To Be
Monitored
FG
V-
V+
24Vdc
Supply
+
-
Com 2
Concert Display
(B07S515)
-
+
24Vdc
P28-6
P28-5
P28-4
P28-7
P28-8
P28-9
P28-1
P28-2
Universal
Gateway
(Optional)
BACnet
PN
: 106416-01
Lonworks
PN
: 106418-01
Tx/+
Rx/-
GND
3
4
5
6
1
1
2
+ PWR
- PWR
Frame
Ground
RS485 +
P28-3
2
RS485 -
3
RS 485
GND
(24Vac
+)
J8-1
113
114
P6-4
P5-6
P6-2
P5-7
P5-9
P6-1
P6-3
(24Vac
-)
J8-2
PCB-06
P5-10
P5-3
P5-4
P26-6
P26-5
P26-10
P26-9
P26-8
P26-2
P26-3
P26-4
P26-1
P26-7
P26-12
P27-1
P27-2
P27-3
4
9
5
61
62
63
55
56
57
58
59
60
A
B
C
A
B
C
65
66
67
68
69
A+
B-
CG
A+
B-
Cg
64
RJ45
P27-4
P27-5
6
1
Central Heat
Enable/
Disable
Input
(STAT)
F2
(3A Slow Blow)
PCB-01
24Vdc Display
Power Supply
PCB-05
N/A
P5-5
N/A
Setpoint or Modulation
4-20mAdc Input
(Supplied by others)
J8-6
P4b-4
45
P18a-2
J8-7
P4b-3
46
P18a-1
P5-2
P5-1
45
46
113
114
C – I+
C – I-
B –
24V
B – 0V
A - V+
A -
COM
0-10V
Input
+
-
0-10V to
4-20mA
Signal Converter
(Optional)
PN: 107183-01
+
-
Rate Tracking
0-10Vdc Output
115
116
117
118
J10-6
P5-12
J10-5
P5-14
+
-
Rate Tracking
4-20mAdc Output
J10-4
P5-13
J10-1
Alarm Reset
J2-1
J2-3
J2-2
J2-4
Combustion Blower Comm.
Tach.
DC+
PWM
DC-
J1-4
J1-6
UV Scanner
Blue
White
DB9
Concert Boiler
Control (A1167)
2
2.2
3
2
1
Outdoor
Temperature
Wireless
Input
Wireless Outdoor
Adapter
(Optional)
PN: 105766-01
Wireless
Outdoor
sensor
EC
OM
3
2
1
Stack Sensor
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Summary of Contents for BFIT 1000
Page 9: ...9 Figure 1 BFIT MODEL 1000 2000 ...
Page 12: ...12 IV BFIT Component Identification continued Figure 2 Component Identification ...
Page 13: ...13 IV BFIT Component Identification continued Figure 3 Component Identification ...
Page 52: ...52 Figure 24 Operating Instructions XII System Start up continued ...
Page 66: ...66 APPENDIX D INLET OUTLET WATER AND FLUE OUTLET TEMPERATURE SENSOR RESISTANCE VOLTAGE CHART ...
Page 68: ...68 ...