Air Handler
1
1. Safety Precautions
Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion,
fire, electrical shock, or other conditions which may cause death, personal injury, or property
damage. Consult a qualified installer, service agency, or your distributor or branch for information or
assistance. The qualified installer or agency must use factory--authorized kits or accessories when
modifying this product. Refer to the individual instructions packaged with the kits or accessories
when installing. Follow all safety codes. Wear safety glasses, protective clothing, and work
gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions included in literature and attached to
the unit. Consult local building codes and National Electrical Code (NEC) for special requirements.
Recognize safety information. This is the safety--alert symbol
.
When you see this symbol on the unit and in instructions or manuals, be alert to the potential
for personal injury. Understand these signal words;
DANGER
,
WARNING
, and
CAUTION
. These
words are used with the 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 may 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.
WARNING
Electrical shock hazard
Failure to follow this warning could result in personal injury or death.
Before installing, modifying, or servicing system,main electrical disconnect switch must be in
the OFF position. There may be more than 1 disconnect switch. Lock out and tag switch with a
suitable warning label.