2 Specifications subject to change without notice. RGV-036-072-01SI
Understand the signal words DANGER, WARNING,
CAUTION, and NOTE. 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.
DANGER
ELECTRICAL SHOCK HAZARD
Failure to follow this warning will result in personal injury
or death.
Before performing service or maintenance operations
on unit, turn off main power switch to unit and install
lock(s) and lockout tag(s). Ensure electrical service to
rooftop unit agrees with voltage and amperage listed on
the unit rating plate. Unit may have more than one
power switch.
WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in death,
serious personal injury and/or property damage.
Disconnect gas piping from unit when pressure testing at
pressure greater than 0.5 psig (3450 Pa). Pressures
greater than 0.5 psig will cause gas valve damage
resulting in hazardous condition. If gas valve is
subjected to pressure greater than 0.5 psig, it must be
replaced before use. When pressure testing field-
supplied gas piping at pressures of 0.5 psig or less, a
unit connected to such piping must be isolated by
closing the manual gas valve(s).
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could cause personal
injury, death and/or equipment damage.
R-410A refrigerant systems operate at higher pressures
than standard R-22 systems. Do not use R-22 service
equipment or components on R-410A refrigerant
equipment.
WARNING
PERSONAL INJURY AND ENVIRONMENTAL
HAZARD
Failure to follow this warning could cause personal injury
or death.
Relieve pressure and recover all refrigerant before
system repair or final unit disposal.
Wear safety glasses and gloves when handling
refrigerants. Keep torches and other ignition sources
away from refrigerants and oils.
CAUTION
PERSONAL INJURY HAZARD
Failure to follow this caution may result in
personal injury.
Sheet metal parts may have sharp edges or burrs. Use
care and wear appropriate protective clothing, safety
glasses and gloves when handling parts and servicing
air conditioning equipment.
WARNING
CARBON-MONOXIDE POISONING HAZARD
Failure to follow instructions could result in severe
personal injury or death due to carbon-monoxide
poisoning, if combustion products infiltrate into the
building.
Check that all openings in the outside wall around the
vent (and air intake) pipe(s) are sealed to prevent
infiltration of combustion products into the building.
Check that furnace vent (and air intake) terminal(s) are
not obstructed in any way during all seasons.
AVERTISSEMENT
RISQUE D’INTOXICATION AU MONOXYDE DE
CARBONE
Si ces directives ne sont pas suivies, cela peut entraîner
des blessures graves ou une intoxication au monoxyde
de carbone pouvant causer la mort, si des produits de
combustion s’infiltrent dans le bâtiment.
Vérifier que toutes les ouvertures pratiquées dans le mur
extérieur autour du ou des tuyaux d’évent (et de la prise
d’air) sont scellées de manière à empêcher l’infiltration
de produits de combustion dans le bâtiment.
Veiller à ce que la ou les sorties de l’évent de l’appareil
de chauffage (et la prise d’air) ne soient, en aucune
façon, obstruées, quelle que soit la saison.
WARNING
FIRE HAZARD
Failure to follow this warning could result in severe per-
sonal injury and/or property damage.
Inlet pressure tap set screw must be tightened and
1/8 in. NPT pipe plug must be installed to prevent gas
leaks.
Gas Valve
Inlet Pressure
Tap Set Screw
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