AERCO KC1000 Heater Mar 2011 - Manual (Page 5)

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 heaters and ANSI/NFPASB for
LP gas-fired heaters. Where applicable, the
equipment shall be installed in accordance with
the current Installation Code for Gas Burning
Appliances and Equipment, CGA B149, 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 through 1-4 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.
IMPORTANT
Read the following restrictions prior to
installing the water heater:
1. The water heater can only be used for
applications where the chlorine concentra-
tions Do Not Exceed 4 mg/L which is the
Environmental Protection Agency limit for
chlorine concentrations in drinking water.
2. Do Not use this heater for a pool heating
application.
3. If this heater was ordered with the optional
copper-lined, carbon steel shell, items 1 and
2 Do Not Apply. (Contact your local AERCO
representative to verify heater shell material.
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
DO NOT USE MATCHES, CANDLES,
FLAMES, OR OTHER SOURCES OF
IGNITION TO CHECK FOR GAS
LEAKS.
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 equipment
damage or loss of operating effectiveness .