AERCO BMK 3.0 LN Natural Gas July 2011 - Manual (Page 113)

APPENDIX H
H-1
1 2 3 4 5 6 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
SHELL
TEMP.
SENSOR
16-PIN CONNECTOR 19-PIN CONNECTOR
7-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 10K
1
7 18 19 17 16 14 15 16 13
AUTO RESET
IGNITION
XFMR
24 VAC
206
FUSE
FUSE
191
141
136 137 209
L3
L2
L1
200
POWER BOX
208 VAC
3O
60 HZ
L1
L2
L3
331
333
332
260
263
262
261
260
GND BLOCK
GND
321
TO CONTROL BOX {
321
320
206
261
262
263
203
330
200
141
194 137
193
155 154
136 135
192
138
140 195
190
171
170 172
169
168
167
166
165
164
163162161
133 134
SOLENOID
351
350
352
6 PIN CONNECTOR
SENSOR
TEMP.
AIR
366
201
202
204 203
209
208
190
191
192
193
194
195
209
207
208
201
202
204
142
142
173
148
N
C
HIGH GAS PRESS. SW. LOW GAS PRESS. SW.
PROOF OF
CLOSURE SWITCH
152 150
H
153 151
1K
NC
149
153 151
SHUTOFF VALVE
SAFETY
145
146
147
G
9-PIN CONNECTOR
4 9 8 7 6 5 3 2 1
ENCLOSURE
154
BLOCKED AIR INLET SW.
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
(FOR ABB VFD, SEE
ALTERNATE SCHEMATIC)
A1 B1 A2 B2 C1 C2
DRIVE
REACTOR
GND
375 330
331
333
332
375
WIRING SCHEMATIC, BMK 3.0 LN
208 VAC, 3 PHASE
REF: 68007 REV. J (SHT. 1 OF 2)
152 150 146 148
149 147 145
TO I/O BOX
AIR TEMP
SENSOR
363
364
EMERSON VFD
+ + + + + + + +
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
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