AERCO BMK 3.0 LN Dual-Fuel Series Gas Fired Low NOx Boiler System - Manual (Page 117)

APPENDIX H
H-1
T1 T2 T4 T3 T6 T5
B2 B4 B5
JUMPER # 368
JUMPER # 367
SOLENOID
6 PIN CONNECTOR
195
194
193
192
191
190
208
209
202
203
206
204
201
AUTO RESET
OVER TEMPERATURE SWITCHES
MANUAL RESET
137 209 136
190 138 135 136 193 141
BLOWER PROOF SW
.
142
154
WATER LEVEL PROBE IGNITOR
351 321
FLAME ROD
GND
352
137 191 194 155 154
TRANSFORMER
IGNITION
141
192 140 195
19-PIN CONNECTOR
13 16 17 19 18 15 14 12 1110 9 8 7 6 5 4 3 2 1 16 15
152 150 148 146 134 133 162 166 168 172 170
C
N
148
3
STEPPING
AIR/FUEL VALVE
SWITCH POSITION IGNITION SWITCH POSITION PURGE
C
53
MOTOR 5
K B
A
BLK WHT
YEL
BLU GRN RED
2 10K
1
CLOSURE SWITCH
PROOF OF
GAS PRESS
. SW
.
GAS PRESS
. SW
.
407 150
H
152 405
NC
1K
401
167 173 171 169 163
165 161 153 151 149
403
146
147
G
SHELL
SENSOR
TEMP.
147 145
4
9-PIN CONNECTOR
CONTROL BOX CONNECTORS
16-PIN CONNECTOR
13 14 12 11 10 9 8 7 6 5 4 3 2 1
164
7 8 9 5 6 1 2 3 7 6 5 4 3 2 1
7-PIN CONNECTOR
PROOF OF
CLOSURE SWITCH
SSOV N
C NC
H
1K
G
401
SSOV
402
402
400
145
403
404
404
3
POSITION FUEL
SELECTOR SWITCH
405
PROPANE HIGH GAS PRESS
. SW
.
151
405
151
405
405
153
408
407
GAS PRESS
. SW
.
408
152
NAT
. GAS LOW
PROPANE LOW
408
NAT
. GAS HIGH
408
407
BLOCKED AIR INLET SW
.
XFMR
24 VAC
FUSE
FUSE
L3
L2
L1
200
POWER BOX
208 VAC
60 HZ
L1
L2
L3
331
333
332
260
263
262
261
260
GND BLOCK
TO CONTROL BOX {
321
320
206
261
262
263
203
330
200
350
366
209
207
208
201
202
204
142
ENCLOSURE
GND
NEU
FUSE BLOCK
20 AMP
20 AMP
20 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
208 VAC, 3 PHASE
REF: 68012 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
W
1P
E
U2
V2
W2
NET A (0-10V)
NET B (A. GND.)
ALTERNATE SCHEMATIC FOR ABB VFD
(FOR ABB VFD, SEE ALTERNATE SCHEMATIC)
EMERSON VFD
TO I/O BOX
NET A (0-10V)
NET B (AGND)
103
104