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

Page 111

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APPENDIX H

H-5

BLOW

ER

P

ROOF

S

W.

IGN

ITOR

WA

TER L

EVEL

PRO

BE

FLAM

E RO

D

PURG

E

POSITIO

N

IGN

ITIO

N

POSITIO

N

SWITCH

SWITCH

BLK

YEL

WHT

RED
GRN
BLU

GND

321

351

352

361
364
365
362

360

359

6 P

IN

CON

NEC

TO

R

FRO

M

358

}

FRO

M I/

O BO

X

142

{

SAFETY

SHUTO

FF VALVE

HIG

H G

AS

PRESS. SW.

LO

W G

AS PRESS. SW

.

PR

OOF

OF

CLO

SUR

E SWIT

CH

SHUTO

FF VALVE

SAFETY

BLOC

KED AIR

INLE

T SW.

SOLENO

ID

VALVE