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Aerco, Benchmark 1.5ln low nox boiler, Gf-120 – AERCO BMK 1.5 LN July 2011 User Manual

Page 138: Operation and maintenance manual, Legend, Appendix g: piping drawings

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APPENDIX G: PIPING DRAWINGS

Page

138 of 152 PR2: 05/09/12

Benchmark 1.5LN Low NOx Boiler

Operation and Maintenance Manual

OMM-0041_0D

GF-120

AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288

HEATING SYSTEM

RETURN FROM

SUPPLY TO DOMESTIC STORAGE GENERATOR COIL

MOTORIZED GLOBE VALVE

P&

T

P&

T

P&

T

SUPPLY TO HEATING SYSTEM

BACKFLOW PREVENTER

LINE SIZE

BYPASS

SYSTEM MAKE

-UP

WATER SUPPLY

TYPICAL LOCATION OF MAKE UP AND EXPANSION COMPONENTS

PRESS

. RED

.

FILL VALVE

DIAPHRAGM TYPE EXPANSION TANK

A

A

BENCHMARK

1.

5

MIL

. BTU GAS FIRED

BOILER LAYOUT FOR COMBINATION

HEATING

&

DOMESTIC WATER PLANT

1)

FOR ACTUAL SIZES AND LOCATIONS OF PIPING AND OTHER CONNECTIONS TO THE BOILER

, SEE DIMENSIONAL

ELECTRIC CONNECTIONS

(SERVICE SWITCHES

, CONDUIT BOXES

) SHOULD LIKEWISE BE

6"

AWAY FROM SIDE PANELS

.

4)

LOCATE WATER INLET AND OUTLET FITTINGS

(i.

e.

UNIONS

, ELBOWS

, ETC

.)

A MINIMUM OF

6''

FROM BOILER

A HEIGHT

18

'' ABOVE FLOOR

.

2)

SHELL DRAIN VALVE AND CONDENSATE DRAIN TRAP SHOULD BE ARRANGED TO PERMIT THE FLUIDS TO DRAIN

5)

THIS IS A TYPICAL INSTALLATION DRAWING

.

LOCAL CODES AND AUTHORITIES SHOULD BE CONSULTED

.

3)

ALL

(*)

ITEMS ARE INCLUDED SEPARATELY IN SHIPMENT FROM FACTORY

.

NOTES

:

AIR SEPARATOR

RETURN FROM DOMESTIC STORAGE GENERATOR COIL

RELIEF VALVE

(TYP

.)

CHECK VALVE (TYP

.)

DRAWING

(AP

-A

-739

).

FREELY

, BY GRAVITY

, TO A CONVENIENT FLOOR DRAIN

.

RELIEF VALVES SHOULD BE PIPED VERTICALLY TO A

FITTINGS TO PREVENT INTERFERENCE WITH REMOVAL OF BOILER PANELS AND COVERS

.

ALL PIPING AND

NORTHVALE

, NJ

07647

INTERNATIONAL

, INC

.

APPD

.

DWN

.BY

SCALE

DATE

MPC

052898

DATE

SCD

NTS

052698

AERCO

SD

-A

-741

A

REV

.

TEMPERATURE GAUGE

P&

T

PRESSURE

&

BALANCING VALVE

ISOLATION VALVE FLANGE

Y-

STRAINER

LEGEND

PUMP

BMS HEADER TEMP

. SENSOR