Modulex EXT Light Commercial Series Boilers User Manual
CHAPTER 1: Safety Precautions
OMM-0095_0H AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 7 of 144
GF-139 Phone: 800-526-0288 09/15/2017
CHAPTER 1: SAFETY PRECAUTIONS
The following defined symbols are used throughout this manual to notify the reader of potential
hazards of varying risk levels.
DANGER!
Indicates an imminently hazardous situation, which if not avoided, WILL result in death or
serious injury.
WARNING!
Indicates a potentially hazardous situation, which if not avoided, MAY result in death or
serious injury.
CAUTION!
Indicates a potential hazardous situation, which if not avoided, COULD result in minor or
moderate injury. Also may caution against unsafe practices.
Note that all hazard notifications and notes are presented enclosed in a rectangle with filleted
(round) corners, as shown below, in order to differentiate them from the main text.
It is of utmost importance to observe all CAUTIONS and WARNINGS presented in this manual to avoid
injury, death, and damage to the equipment. Failure to properly heed safety warnings and cautions may
result in the voiding of applicable warranties.
WARNING!
Never use flames to detect gas leaks!
What to do if you smell gas:
• Do NOT try to light or turn on any appliance.
• Do NOT touch any electric switch or open switched doors.
• Do NOT use any phone or intercom device in your building.
• Do NOT touch metal doorknobs or any grounded device or surface without using insulated
gloves or other insulated material if you suspect static charge buildup.
• Immediately call your gas supplier from a neighbor’s phone or, if you are outside, your cell
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
WARNING!
This boiler has been built for installation in the country indicated on the technical data plate.
Installation in any other country may be a source of danger for people, animals and
property.
NOTE:
Carefully read the warranty conditions and clauses on the warranty certificate attached to the
boiler.
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