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Appendix h – AERCO BMK 3.0 LN Nat. Gas APRIL 2009 User Manual

Page 107

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APPENDIX H

H-1

BLO

WER

PRO

OF SW

.

IGN

ITO

R

WATER L

EVEL PRO

BE

FLAM

E ROD

PURG

E

POSI

TIO

N

IGN

ITION

POSITI

ON

SWIT

CH

SWIT

CH

BLK

YEL

WHT

RED

GRN
BLU

GND

321

351

352

361
364
365
362

360

359

6 PI

N CONNECT

OR

FRO

M

358

}

FRO

M I/O

BO

X

142

142

{

HIG

H G

AS PR

ESS. SW

.

LO

W G

AS PRESS

. SW.

PR

OOF

OF

CLOSURE

S

WIT

CH

SHUTOFF VAL

VE

SAFETY

BLO

CKED

AIR INL

ET

SW.