AERCO BMK 3.0 LN Dual-Fuel Series Gas Fired Low NOx Boiler System User Manual
Page 121
APPENDIX H
H-5
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
CONTROL BOX CONNECTORS
BLOWER PROOF SW
.
OVER TEMPERATURE SWITCHES
IGNITOR
TRANSFORMER
WATER LEVEL PROBE
FLAME ROD
16-PIN CONNECTOR
19-PIN CONNECTOR
MANUAL
RESET
STEPPING
MOTOR
PURGE POSITION
IGNITION POSITION
SWITCH
SWITCH
AIR/FUEL VALVE
BLK
YEL
WHT
53
5K
C
B
A
3
RED
GRN
BLU
2
10
K
1
18
19
17
16
14
15
16
13
154
AUTO
RESET
IGNITION
XFORMER
24 VAC
206
FUSE
FUSE
191
141
136
137
209
L3
L2
L1
GND
200
203
314
315
POWER BOX
460VAC
60 HZ
330
L1
L2
L3
331
333
332
CONTROL TRANSFORMER
H2
316
H1
317
H4
460VAC
H3
X2
X1
4 AMPS
XF
FUSE
120 VAC
260
263
262
261
260
GND BLOCK
GND
321
TO CONTROL BOX {
321
320
319
206
261
262
263
316
319
330
317
141
194
137
193
155
154
136
135
192
138
140
195
190
171
170
172
169
168
167
166
165
164
163
162
161
SOLENOID
351
350
352
6 PIN
CONNECTOR
366
201
202
204
203
209
208
190
191
192
193
194
195
209
207
208
201
200
202
204
315
314
142
142
173
ENCLOSURE
G
CLOSURE SWITCH
PROOF OF
SSOV
NAT
. GAS LOW
GAS PRESS
. SW
.
PROPANE HIGH GAS PRESS
. SW
.
408
PROPANE LOW GAS PRESS
. SW
.
407
150
407
408
405
403
148
CLOSURE SWITCH
PROOF OF
GAS PRESS
. SW
.
NAT
. GAS HIGH
N
H
C
NC
1K
405
408
152
405
405
401
400
H N
147
146
SSOV
G
402
405
402
404
403
407
408
SENSOR
TEMP.
SHELL
7
7-PIN CONNECTOR
148
152
151
C
NC
1K
404
150
152
153
151
149
SELECTOR SWITCH
3
POSITION FUEL
401
145
146
147
145
151 153
9
8
7
9-PIN CONNECTOR
5 4
2
3
1
133
134
5
6
4
2
3
1
BLOCKED AIR INLET SW
.
FUSE BLOCK
15 AMP
15 AMP
15 AMP
MOTOR
BLOWER
331
333
332
L3
L2
L1
U
W
V
303
302
301
300
PE
PE
VFD
A1
B1
A2
B2 C1 C2
DRIVE
REACTOR
GND
375
330
331
333
332
375
SENSOR
TEMP
.
AIR
364
363 TO I/O BOX
AIR TEMP
SENSOR
3O
WIRING SCHEMATIC, BMK 3.0 DF
460 VAC 3 PHASE
REF: 68013 REV. G (SHT. 1 OF 2)
+
+ + + + + + +
1
2 3
4
5
6 7 8
+
+ + + + + + +
9 10 11 12 13 14 15 16
TO I/O BOX
104
103
375
331
332
333
300
301
302
303
JUMPER # 367
JUMPER # 368
U1/L
V1/N
W1
PE
U2
V2
W2
NET A (0-10V)
NET B (A. GND.)
ALTERNATE SCHEMATIC FOR ABB VFD
(FOR ABB VFD, SEE
ALTERNATE SCHEMATIC)
EMERSON VFD
T1 T2
T4
T3
T6
T5
TO I/O BOX
NET A (0-10V)
NET B (AGND)
B2
B4 B5
JUMPER # 368
JUMPER # 367
103
104