AERCO BMK 3.0 LN Natural Gas July 2011 - Manual (Page 119)

APPENDIX H
H-7
CLOSURE SWITCH
SSOV PROOF OF
NCC
G N H
1 2 3 4 5 6 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
LOW GAS PRESS. SW.
BLOWER PROOF SW.
SSOV
OVER TEMPERATURE SWITCHES
IGNITOR
TRANSFORMER
WATER LEVEL PROBE
FLAME ROD
SHELL
TEMP.
SENSOR
16-PIN CONNECTOR 19-PIN CONNECTOR 9-PIN CONNECTOR 7-PIN CONNECTOR
MANUAL RESET
HIGH GAS PRESS. SW.
STEPPING
MOTOR
PURGE POSITION IGNITION POSITION SWITCH SWITCH
AIR/FUEL VALVE
BLK
YEL
WHT
53
5
K
C
B
A
3
RED GRN BLU
2
10
K
1
150
151 153
152
7 18 19 17 16 14 15 16 13
154
AUTO RESET
IGNITION
XFMR
24 VAC
206
FUSE
FUSE
191
141
148
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
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
161 153
152
151
150
149
148
147
146
145
133 134
SOLENOID
351
350
352
6 PIN
CONNECTOR
145
146
147
366
201
202
204203
209
208
190
191
192
193
194
195
209
207
208
201 200
202
204
315
314
142
142
N H G
202
201
203
173
ENCLOSURE
1K
149
BLOCKED AIR INLET SW.
N H G
SOLENOID
VALVE
FUSE BLOCK
15 AMP
15 AMP
15 AMP 331
333
332
A1 B1 A2 B2 C1 C2
DRIVE
REACTOR
GND
330
331
333
332
375
366
SENSOR
TEMP.
AIR
364
363 TO I/O BOX
AIR TEMP
SENSOR
3O
WIRING SCHEMATIC, BMK 3.0
460 VAC 3 PHASE IRI
REF: 68024 REV. E (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
375
(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
MOTOR
BLOWER
303
302
301
300
L3
L2
L1 U
W
V
PE PE
103
104