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Appendix g - piping drawings, Aerc o, Appendix g – AERCO BMK 2.0 LN Natural Gas 2008 User Manual

Page 97: Le gend

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APPENDIX G

G-1

5) THIS

IS A TYPIC

AL INS

TALL

ATIO

N DRA

WING

.

LOCAL

C

ODE

S AND AU

THO

RITIE

S SHO

ULD BE

CONS

ULTE

D.

2) SH

ELL DR

AIN VA

LVE AN

D CON

DENS

ATE

D

RAIN

T

RAP SH

OUL

D BE AR

RANG

ED TO

P

ERM

IT THE

F

LUID

S TO DRA

IN

H

EIGH

T 18'

' A

BOV

E FLOO

R.

4) LOC

ATE W

ATER

IN

LET

A

ND OU

TLET

F

ITTIN

GS (i

.e. UN

IONS

, ELBO

WS, ET

C.) A MI

NIMU

M OF 6'

' FRO

M BOIL

ER

EL

ECTR

IC CO

NNEC

TION

S (SER

VICE

S

W

ITC

HES

, C

OND

UIT BO

XES

)

S

HOU

LD LIKE

WIS

E

1) F

OR ACT

UAL

S

IZES AN

D LOC

ATIO

NS OF

P

IPING

A

ND OT

HER

C

ONN

ECTIO

NS TO

THE BO

ILER

, S

EE DIM

ENS

IONA

L DRAW

ING

(

AP-A-

797).

3) ALL (*)

IT

EMS

A

RE INC

LUD

ED SEP

ARAT

ELY IN

S

HIPM

ENT

F

ROM

F

ACTO

RY.

BE

6

'' AW

AY FRO

M SID

E PANE

LS.

NO

T

ES

:

S

INGL

E UNIT

INSTA

LLAT

ION

G

AS FIR

ED BO

ILER

B

ENCH

MAR

K 2.0 MIL

. B

TU LO

W NOx

AIR SEP

ARA

TOR

AU

TOM

ATIC

AIR

V

ENT

1-1/2" NP

T

DRAI

N CON

N.

LIN

E SIZE

B

YPAS

S

BACK

FLOW

PREV

ENT

ER

DIAP

HRAG

M TYP

E

EXP

ANSI

ON TAN

K

WA

T

E

R

SU

P

PL

Y

* CON

DEN

SATE

D

RAIN T

RAP

P&

T

REL

IEF VA

LVE (T

YP.)

P

RESS

URE

R

EDU

CING

FILL

V

ALVE

H

EAT

ING

SYST

EM

RETU

RN

CH

ECK

VAL

VE

(TY

P.)

HE

ATIN

G

SY

STE

M

S

UPPL

Y

S

YSTE

M

PU

M

P

AT

M

AXIM

UM BT

U/HR

INPU

T,

MA

INTA

IN MIN

IMUM

NATU

RAL G

AS PRE

SSU

RE AT

4.0

"

W

.C.(

FM GAS

TRAIN

)/5.0

"

W

.C.(I

RI GAS

T

RAIN

);

MA

X. GAS

PRES

SURE

=

2.0 P

SIG. (SE

E NOT

E 6)

* 2" MAN

U

AL

SHU

TOF

F

VAL

VE

DI

R

T

T

RA

P

GA

S SUPP

LY

FREE

LY, BY G

RAVI

TY, TO

A

C

ONV

ENIEN

T FLO

OR DR

AIN. REL

IEF VA

LVE SH

OULD

BE PIPE

D VER

TICA

LLY TO

A

FITT

INGS

TO PRE

VEN

T INTER

FER

ENC

E WITH

R

EMO

VAL OF

BOILE

R PAN

ELS AN

D COV

ERS. ALL

P

IPIN

G AND

N

OR

T

H

VA

LE,

N

J 07647

INT

E

R

N

A

T

ION

A

L, IN

C.

APPD

.

DWN.

B

Y

SC

AL

E

DA

T

E

DA

T

E

CZ

NT

S

102

307

AERC

O

SD

-A

-6

7

1

TEM

PER

ATUR

E GAU

GE

P&T

PRE

SSU

RE &

BALA

NCIN

G VALV

E

ISOL

ATION

VALV

E

UNI

ON

Y STR

AINE

R

LE

GEND

6) WHE

N AVA

ILABL

E GAS PR

ESS

URE IS

G

REAT

ER TH

AN 2.0 P

SIG, A LO

CK-U

P STYL

E REG

ULAT

OR MU

ST BE

IN

STAL

LED

DO

WNS

TRE

AM OF

T

HE 2" MAN

UAL

S

HUTO

FF VA

LVE TO

B

RING

T

HE GA

S PRE

SSUR

E DOW

N TO 2.0

P

SIG.

RE

V

C

SEE

D

IAGR

AM

1

7) A GAS

R

EGU

LATO

R IS MA

NDAT

ORY

F

OR TH

E STAT

E OF MA

SSAC

HUS

ETTS

, REGA

RDLE

SS OF

S

UPPL

Y PRE

SSUR

E.

* 2

"

MA

NUA

L

S

HUT

O

F

F

VA

LV

E

(T

O BOIL

ER

)

Di

ag

ra

m

1

GAS SU

PP

LY

(SEE N

O

T

E

7)

M

A

IN

T

A

IN

A R

E

GU

L

A

T

E

D

4

.0"

W.C

. (

N

AT

. G

AS,

F

M

)/

5

.0

" W

.C

. (

N

AT

. G

AS,

IR

I)

GAS PR

ES

SU

R

E AT

M

A

X

BT

U

/H

R

IN

PU

T

DR

IP

T

R

A

P