Chapter 1: safety precautions, 1 warnings & cautions, Benchmark 1.5ln low nox boiler – AERCO BMK 1.5 LN July 2011 User Manual
Page 9: Gf-120
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CHAPTER 1: SAFETY PRECAUTIONS
PR2: 05/09/12 Page
9 of 152
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
CHAPTER 1: SAFETY PRECAUTIONS
1.1 WARNINGS & CAUTIONS
Installers and operating personnel MUST, at all times, observe all safety regulations. The
following warnings and cautions are general and must be given the same attention as specific
precautions included in these instructions. In addition to all the requirements included in this
AERCO Instruction Manual, the installation of units MUST conform with local building codes, or,
in the absence of local codes, ANSI Z223.1 (National Fuel Gas Code Publication No. NFPA-54).
Where ASME CSD-1 is required by local jurisdiction, the installation must conform to CSD-1.
Where applicable, the equipment shall be installed in accordance with the current Installation
Code for Gas Burning Appliances and Equipment, CSA B149.1, and applicable Provincial
regulations for the class; which should be carefully followed in all cases. Authorities having
jurisdiction should be consulted before installations are made.
IMPORTANT
This Instruction Manual is an integral part of the product and must
be maintained in legible condition. It must be given to the user by
the installer and kept in a safe place for future reference.
WARNING
MUST BE OBSERVED TO PREVENT SERIOUS INJURY
.
WARNING
BEFORE ATTEMPTING TO PER-FORM ANY MAINTENANCE
ON THE UNIT, SHUT OFF ALL GAS AND ELECTRICAL INPUTS
TO THE UNIT.
WARNING
THE EXHAUST VENT PIPE OF THE UNIT OPERATES UNDER
A POSITIVE PRESSURE AND THERE-FORE MUST BE
COMPLETELY SEALED TO PREVENT LEAKAGE OF
COMBUSTION PRODUCTS INTO LIVING SPACES.
WARNING
A DOUBLE-POLE SWITCH MUST BE INSTALLED ON THE
ELECTRICAL SUPPLY LINE OF THE UNIT. THE SWITCH MUST
BE INSTALLED IN AN EASILY ACCESSIBLE POSITION TO
QUICKLY AND SAFELY DISCONNECT ELECTRICAL SERVICE.
DO NOT AFFIX SWITCH TO UNIT SHEET METAL
ENCLOSURES.
WARNING
DO NOT USE MATCHES, CANDLES, FLAMES, OR OTHER
SOURCES OF IGNITION TO CHECK FOR GAS LEAKS.
WARNING
FLUIDS UNDER PRESSURE MAY CAUSE INJURY TO
PERSONNEL OR DAMAGE TO EQUIPMENT WHEN
RELEASED. BE SURE TO SHUT OFF ALL INCOMING AND
OUTGOING WATER SHUTOFF VALVES. CAREFULLY
DECREASE ALL TRAPPED PRESSURES TO ZERO BEFORE
PERFORMING MAINTENANCE.
WARNING
electrical voltages up to 120 vac may be used in this equipment.
Therefore the cover on the unit’s power box (located behind the