Carrier 50HC Series User Manual

2
ELECTRICAL OPERATION HAZARD
Failure to follow thi s warning could result in personal
injury or death.
Before performing service or maintenance operations
on unit, LOCK--OUT/TAGOUT the main power
switch to unit. Electrical shock and rotating equipment
could cause severe injury.
!
WARNING
ELECTRICAL OPERATION HAZARD
Failure to follow thi s warning could result in personal
injury or death.
Units with convenience outlet circuits can use
multiple disconnects. Check convenience outlet for
power stat us before opening unit for service. Locate
the disconnect switch and lock it in the open position
it. LOCK--OUT/TAGOUT this switch to notify others.
!
WARNING
UNIT OPERATION AND SAFETY HAZARD
Failure to follow this warning could cause personal
injury, death and/or equipment damage.
Puron (R--410A) refrigerant systems operate at higher
pressures t han standard R--22 systems. Do not use
R--22 service equipment or components on Puron
refrigerant equipment.
!
WARNING
!
WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this
warning could result in
death, serious personal
injury and/or property
damage.
Never use air or gases containing oxygen for leak testing
or for operating refrigerant compressors. Pressurized
mixtures of air or gases conta ining oxygen can lead to an
explosion.
!
WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this
warning could result in
death, serious personal
injury and/or property
damage.
Never use non--certified refrigerants in this product.
Non--certified refrigerants c ould contain contaminates
that could lead to unsafe operating conditions. Use
ONLY refrigerants that conform to AHRI Standard
700.
UNIT DAMAGE HAZARD
Failure to follow this caution may result in reduced
unit performance or unit shutdown.
High velocity water from a pressure washer, garden
hose, or compressed air should never be used to
clean a coil. The force of the water or air jet will
bend the fin edges and increase airside pressure drop.
CAUTION
!
OPERATIONAL TEST ALERT
Failure to follow this ALERT can result in an
unnecessary evacuation of the facility.
Pressing the controller’s test/reset switch for longer
than seven sec onds will put the duct detector into the
ala rm state and activate all automatic alarm responses.
NOTICE
IMPORTANT: Lockout/Tagout is a ter m used when
electrical power switches are physically locked
preventing power to the unit. A placard is placed on
the power switch alerting service personnel that the
power is disconnected.
UNIT ARRANGEMENT AND
ACCESS
General
Fig. 1 and Fig. 2 show general unit arrangement and
access locations.
50HC

Carrier 50HC Series Specifications

General

Brand	Carrier
Model	50HC Series
Category	Air Conditioner
Language	English