SAFETY PRECAUTIONS
1-1
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.
WARNINGS
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 DIS-
CONNECT 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
FRONT PANEL DOOR) MUST BE
INSTALLED AT ALL TIMES, EXCEPT
DURING
MAINTENANCE AND
SERVICING.
CAUTIONS
Must
be observed
to prevent
equipment damage or loss of
operating effectiveness
.
Summary of Contents for Benchmark 3.0LN Series
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