AERCO KC1000 Low NOx Boiler July 2011 - Manual (Page 7)

SAFETY PRECAUTIONS
1-1
SECTION 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) for gas-fired boilers and ANSI/NFPASB for
LP gas-fired boilers. 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.
See pages 1-2 and 1-3 for important
information regarding installation of units
within the Commonwealth of Massachusetts.
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
PERFORM ANY MAINTENANCE ON
THE UNIT, SHUT OFF ALL GAS AND
ELECTRICAL INPUTS TO THE UNIT.
WARNING
DO NOT USE MATCHES, CANDLES,
FLAMES, OR OTHER SOURCES OF
IGNITION TO CHECK FOR GAS
LEAKS.
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
THE EXHAUST VENT PIPE OF THE
UNIT OPERATES UNDER A POSI-
TIVE PRESSURE AND THERE-
FORE MUST BE COMPLETELY
SEALED TO PREVENT LEAKAGE
OF COMBUSTION PRODUCTS INTO
LIVING SPACES.
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 OF 120
VAC ARE USED IN THIS EQUIP-
MENT. THEREFORE THE COVER
ON THE UNIT’S POWER BOX
(LOCATED ON THE FRONT RIGHT
SIDE OF THE UNIT UNDER THE
HOOD AND SHEET METAL SIDE
PANEL) MUST BE INSTALLED AT
ALL TIMES, EXCEPT DURING
MAINTENANCE AND SERVICING.
CAUTIONS
Must be observed to prevent equip-
ment damage or loss of operating
effectiveness .