Section 1. Safety - Trane 5TTR4018A Installation And Operation Manual

Section 1. Safety

!
Only qualified personnel should install and service the
equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment
can be hazardous and requires specific knowledge
and training. Improperly installed, adjusted or altered
equipment by an unqualified person could result in
death or serious injury. When working on the equip-
ment, observe all precautions in the literature and on
the tags, stickers, and labels that are attached to the
equipment.
!
RISK OF FIRE!
Flammable refrigerant used. To be repaired only by
trained service personnel. Do not puncture refrigerant
tubing.
Dispose of properly in accordance with federal or local
regulations. Flammable refrigerant used.
!
This information is intended for use by individuals
possessing adequate backgrounds of electrical and
mechanical experience. Any attempt to repair a central
air conditioning product may result in personal injury
and/or property damage. The manufacture or seller
cannot be responsible for the interpretation of this
information, nor can it assume any liability in connec-
tion with its use.
!
UNIT CONTAINS R-454B REFRIGERANT!
Proper service equipment is required. Failure to use
proper service tools may result in equipment damage
or personal injury.
SERVICE
USE ONLY R-454B REFRIGERANT AND
APPROVED COMPRESSOR OIL.
WARNING
!
Extreme caution should be exercised when opening
the Liquid Line Service Valve. Turn counterclockwise
until the valve stem just touches the rolled edge. No
torque is required. Failure to follow this warning will
result in abrupt release of system charge and may
result in personal injury and /or property damage.
WARNING
!
Ensure that the area is in the open or that it is
adequately ventilated before breaking into the system
or conducting any hot work.
2
WARNING
WARNING
WARNING
WARNING
!
The appliance shall be stored in a room without contin-
uously operating ignition sources (for examples: open
flames, an operating gas appliance or an operating
electric heater). Do no pierce or burn. Be aware that
refrigerants may not contain an odour.
!
LIVE ELECTRICAL COMPONENTS!
During installation, testing, servicing, and troubleshoot-
ing of this product power should be disconnected. It
may be necessary to work with live electrical compo-
nents. Failure to follow all electrical safety precautions
when exposed to live electrical components could
result in death or serious injury.
WARNING
!
The appliance is not to be used by persons (including
children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, un-
less they have been given supervision or instruction.
WARNING
!
Children should be supervised to ensure that they do
not play with the appliance.
!
If using existing refrigerant lines should be brazed not
soldered. Solder alloys with a melting temperature
less than 427°C are not acceptable.
!
Scroll compressor dome temperatures may be hot. Do
not touch the top of compressor; it may cause minor to
severe burning.
!
WARNING!
This product can expose you to chemicals including lead,
which are known to the State of California to cause cancer
and birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov
Table 1. Operating Range
Mode Model
Cooling 1.5 – 5 Ton
WARNING
WARNING
CAUTION
CAUTION
WARNING
Operating Range
55°F – 120°F
18-AC128D1-1B-EN