AERCO BMK 3.0 LN Nat. Gas June 2010 - Manual (Page 115)

APPENDIX H
C
LOS
URE
S
W
IT
C
H
P
R
OO
F
OF NC C
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
LO
W G
AS PR
ESS. SW
.
BL
O
W
ER PR
O
O
F SW.
SA
FETY
OVER TEMPERATURE SWITCHES
IG
N
ITO
R
TRANSFORMER
WA
TE
R
LE
VE
L P
R
O
B
E
FL
AM
E R
O
D
SHELL
TEMP.
SENSOR
16-PIN CONNECTOR 9-PIN CONNECTOR 7-PIN CONNECTOR
MANUAL RESET
HIG
H
G
AS PR
ESS. S
W.
STEPPING
MOTOR
PURG
E
PO
S
IT
IO
N
IG
N
ITIO
N
PO
S
IT
IO
N
SW
IT
C
H
SW
IT
C
H
AIR/FUEL VALVE
BL
K
YEL
WH
T
53
5K
C
B
A
3
RE
D
GR
N
BL
U
2 10K
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
MOTOR
BLOWER
460VAC
3O
60 HZ
L1
L2
L3
331
333
332
120 VAC
CONTROL TRANSFORMER
H2
316
H1
317
H4
460VAC
H3
X2
X1
4 AMPS
XF
FUSE
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
161 153
152
151
150
149
148
147
146
145
133 134
SOLENOID
351
350
35
2
6 PIN CONNECTOR
L3
L2
L1
T1 T2 T4 T3 T6 T5
145
146
147
SH
UTO
FF VA
LV
E
366
U
W
V
303
302
301
300
VFD
201
202
204 203
209
208
190
191
192
193
194
195
209
207
208
201 200
202
204
315
314
142
14
2
PE PE
173
ENCLOSURE
VFD
1K
149
BLO
C
KED
AIR
IN
LE
T SW.
FUSE BLOCK
15 AMP
15 AMP
15 AMP
SH
IE
LD
A1 B1 A2 B2 C1C2
DRIVE
REACTOR
GND
375
375
330
331
333
332
375
AIR
TEMP.
SENSOR
364
363 TO I/O BOX
AIR TEMP
SENSOR
TO I/O BOX
AGND
0-10V
WIRING SCHEMATIC, BMK 3.0 LN
460 VAC, 3 PHASE
REF: 68006 REV. I (SHT. 1 OF 2)
H-3