2
EMP
Installation & Service Manual
109529-03 - 11/19
All boilers must be installed in accordance with National, State and Local Plumbing, Heating and
Electrical Codes and the regulations of the serving utilities . These Codes and Regulations may differ
from this instruction manual . Authorities having jurisdiction should be consulted before installations
are made .
In all cases, reference should be made to the following Standards:
The following terms are used throughout this manual to bring attention to the presence of hazards of
various risk levels, or to important information concerning product life .
USA BOILERS
A . Current Edition of American National Standard ANSI/NFPA 31, “Installation of Oil
Burning Equipment”, for recommended installation practices .
B . Current Edition of American National Standard ANSI/NFPA 211, “Chimneys, Fire
places, Vents, and Solid Fuel Burning Appliances”, For Venting requirements .
C . Current Edition of American Society of Mechanical Engineers ASME CSD-1,
“Controls and Safety Devices for Automatically Fired Boilers”, for assembly and
operations of controls and safety devices .
D . All wiring on boilers installed in the USA shall be made in accordance with the
National Electrical Code and/or Local Regulations .
IMPORTANT INFORMATION - READ CAREFULLY
NOTICE
This boiler has a limited warranty, a copy of which is included with this boiler. The warranty for this boiler
is valid only if the boiler has been installed, maintained and operated in accordance with these instructions.
Surface rust on cast iron sections may be attributed to the manufacturing process as well as condensation
during storage. Surface rust is normal and does not affect the performance or longevity of a boiler.
NOTICE:
Indicates special instructions on
installation, operation, or maintenance which
are important but not related to personal injury
hazards.
DANGER
Indicates an imminently hazardous situation
which, if not avoided, will result in death, serious
injury or substantial property damage.
CAUTION
Indicates a potentially hazardous situation
which, if not avoided, may result in moderate or
minor injury or property damage.
WARNING
Indicates a potentially hazardous situation
which, if not avoided, may result in moderate or
minor injury or property damage.
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IMPORTANT
This boiler is equipped with a feature that saves energy by reducing the boiler water
temperature as the heating load decreases. This feature is equipped with an override
which is provided primarily to prevent the use of an external energy management
system that serves the same function. THIS OVERRIDE MUST NOT BE USED
UNLESS AT LEAST ONE OF THE FOLLOWING CONDITIONS IS TRUE:
• An external energy management system is installed that reduces the boiler water
temperature as the heating load decreases.
• This boiler is not used for any space heating.
• This boiler is part of a modular or multiple boiler system having a total input of
300,000 BTU/HR or greater.
• This boiler is equipped with a tankless coil.
