Appendix h – AERCO BMK 3.0 LN Nat. Gas APRIL 2009 User Manual
Page 113
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APPENDIX H
H-7
CLOSURE
SW
ITC
H
PR
OOF OF
LO
W G
AS PRESS. SW
.
BLOW
ER
P
ROOF S
W.
SAFETY
IGN
ITO
R
WAT
ER LEVEL
PROBE
FLAM
E ROD
HIG
H G
AS PRESS. S
W.
PURGE
POSITIO
N
IGN
ITION
POSITIO
N
SWIT
CH
SWIT
CH
BLK
YEL
WHT
RED
GRN
BLU
GND
321
351
352
361
364
365
362
SHUTOFF VAL
VE
SH
IEL
D
360
359
6 PI
N CONNECT
OR
FRO
M
358
}
FR
OM
I/O
BOX
142
142
SHUTOFF
VAL
VE
SAFETY
{
BLO
CKED
AIR IN
LET
SW.
SOLE
NOID
VALVE
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