Section 1 - safety precautions, Safety precautions – AERCO KC1000 Low NOx Boiler equipped with C-More version 3.04 User Manual
Page 7
SAFETY PRECAUTIONS
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, 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 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!
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. 
CAUTION!
Many soaps used for gas pipe leak 
testing are corrosive to metals. The 
piping must be rinsed thoroughly with 
clean water after leak checks have 
been completed. 
CAUTION!
DO NOT use this boiler if any part has 
been under water. Call a qualified 
service technician to inspect and 
replace any part that has been under 
water. 
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