Safety Considerations - Carrier BW4 Installation, Start-Up, And Operating Instructions Manual

Installing and servicing heating equipment can be hazardous due to oil and electrical components. Only trained and qualified personnel should
install, repair, or service heating equipment. Untrained personnel can perform basic maintenance functions such as maintaining water level. All
other operations must be performed by trained service personnel. When working on heating equipment, observe precautions in literature, on tags,
and on labels attached to or shipped with unit and other safety precautions that may apply.
Recognize safety information. This is the safety-alert symbol
potential for personal injury.
Understand the signal words DANGER, WARNING, and CAUTION. These words are used with safety-alert symbol. DANGER identifies the
most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or
death. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage. NOTE is used
to highlight suggestions which will result in enhanced installation, reliability, or operation.
Read and obey the following rules to ensure safe installation and operation:
1. Read the Owner's Manual carefully for safe operation. Failure to follow the rules of safe operation and the instructions can cause a
malfunction of the boiler and result in death, serious bodily injury, and/or property damage.
2. Check local codes and utility requirements before installation. The installation must be in accordance with their directives, or follow NFPA
31—Installation of Oil Burning Equipment, latest revision.
3. Before servicing, allow boiler to cool. Always shut off any electricity and oil to boiler when working on it. This prevents any electrical
shocks or burns.
4. Inspect oil line and connections for leaks.
5. Be certain oil burner nozzle is size required. Overfiring will result in early failure of boiler sections. This causes dangerous operation.
6. Never vent this boiler into an enclosed space. Always vent to the outside. Never vent to another room or inside a building.
7. Be sure there is adequate air supply for complete combustion.
8. Follow a regular service and maintenance schedule for efficient and safe operation.
9. Keep boiler area clean and free from combustible materials, gasoline, and other flammable vapors and liquids.
WARNING: Use only number 1 or number 2 fuel oil having commercial standard grade CS 12-48. Do not use gasoline,
kerosene, crankcase oil, or any oil containing gasoline. A failure to adhere to this warning can cause a fire, explosion,
physical injury, or death.
WARNING: This boiler has been designed for residential installations. If used for commercial applications, all
jurisdictional requirements must be met. This may require wiring and/or piping modifications. The manufacturer is not
responsible for any changes to original design.
Check to be sure boiler size is correct before starting installation. See rating and capacity table shown in Fig. 1. Check rating plate on right side
of boiler.
The boiler must be supplied with the proper oil, fresh air for combustion, and a suitable electrical supply. Boiler must also be connected to a suitable
venting system and an adequate piping system. Finally, a properly located thermostat is needed for control of heating system. If there are any doubts
as to the various requirements, check with local authorities and obtain professional help where needed. The Operating Instructions and Final
Checks and Adjustments sections later in this document are vital to the proper and safe operation of the heating system. Take time to be sure they
are all done.
The following steps are all necessary for proper installation and safe operation of boiler.
1. LOCATING THE BOILER
2. OIL SUPPLY AND PIPING
3. FRESH AIR FOR COMBUSTION
4. PIPING CONNECTIONS
5. CHIMNEY AND VENT PIPE CONNECTIONS
6. ELECTRICAL WIRING
7. THERMOSTAT LOCATION
8. CHECKING AND ADJUSTING
9. MAINTENANCE
WARNING: Improper installation, adjustment, alteration, service, maintenance, or use can cause carbon monoxide
poisoning, explosion, fire, electrical shock, or other conditions which may cause personal injury or property damage.
Consult a qualified installer, service agency, fuel oil supplier, or your distributor or branch for information or assistance. The
qualified installer or agency must use only factory-authorized and listed kits or accessories when modifying this product.
Failure to follow this warning could result in electrical shock, fire, personal injury, or death.

SAFETY CONSIDERATIONS

. When you see this symbol on unit or in instructions and manuals, be alert to
INTRODUCTION
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