Carrier 19XRV Series Start-Up And Service Instructions

Start-Up and Service Instructions

SAFETY CONSIDERATIONS

Centrifugal liquid chillers are designed to provide safe and
reliable service when operated within design specifications.
When operating this equipment, use good judgment and
safety precautions to avoid damage to equipment and prop-
erty or injury to personnel.
Be sure you understand and follow the procedures and
safety precautions contained in the machine instructions, as
well as those listed in this guide.
Failure to follow these procedures will result in severe per-
sonal injury or death.
DO NOT VENT refrigerant relief devices within a building.
Outlet from rupture disc or relief valve must be vented out-
doors in accordance with the latest edition of ANSI/ASHRAE
15 (American National Standards Institute/American Society
of Heating, Refrigerating and Air-Conditioning Engineers)
(Safety Code for Mechanical Refrigeration). The accumula-
tion of refrigerant in an enclosed space can displace oxygen
and cause asphyxiation.
PROVIDE adequate ventilation in accordance with ANSI/
ASHRAE 15, especially for enclosed and low overhead
spaces. Inhalation of high concentrations of vapor is harmful
and may cause heart irregularities, unconsciousness, or death.
Intentional misuse can be fatal. Vapor is heavier than air and
reduces the amount of oxygen available for breathing. Product
causes eye and skin irritation. Decomposition products are
hazardous.
DO NOT USE OXYGEN to purge lines or to pressurize a
machine for any purpose. Oxygen gas reacts violently with oil,
grease, and other common substances.
DO NOT USE air to leak test. Use only refrigerant or dry
nitrogen.
NEVER EXCEED specified test pressures. VERIFY the
allowable test pressure by checking the instruction literature
and the design pressures on the equipment nameplate.
DO NOT VALVE OFF any safety device.
BE SURE that all pressure relief devices are properly installed
and functioning before operating any machine.
RISK OF INJURY OR DEATH by electrocution. High volt-
age is present on motor leads even though the motor is not run-
ning when a solid state or inside-delta mechanical starter is
used. Open the power supply disconnect before touching
motor leads or terminals.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53190062-01
DANGER
Printed in U.S.A.
with PIC III/PIC 6 Controls
Eaton LCX9000 VFD Option
Failure to follow these procedures may result in personal
injury or death.
DO NOT USE TORCH to remove any component. System
contains oil and refrigerant under pressure.
To remove a component, wear protective gloves and goggles
and proceed as follows:
a. Shut off electrical power to unit.
b. Recover refrigerant to relieve all pressure from system
using both high-pressure and low pressure ports.
c. Traces of vapor should be displaced with nitrogen and
the work area should be well ventilated. Refrigerant in
contact with an open flame produces toxic gases.
d. Cut component connection tubing with tubing cutter and
remove component from unit. Use a pan to catch any oil
that may come out of the lines and as a gage for how
much oil to add to the system.
e. Carefully unsweat remaining tubing stubs when neces-
sary. Oil can ignite when exposed to torch flame.
DO NOT USE eyebolts or eyebolt holes to rig machine sec-
tions or the entire assembly.
DO NOT work on high-voltage equipment unless you are a
qualified electrician.
DO NOT WORK ON electrical components, including con-
trol panels, switches, starters, or oil heater until you are sure
ALL POWER IS OFF and no residual voltage can leak from
capacitors or solid-state components.
LOCK OPEN AND TAG electrical circuits during servicing.
IF WORK IS INTERRUPTED, confirm that all circuits are
de-energized before resuming work.
AVOID SPILLING liquid refrigerant on skin or getting it into
the eyes. USE SAFETY GOGGLES. Wash any spills from the
skin with soap and water. If liquid refrigerant enters the eyes,
IMMEDIATELY FLUSH EYES with water and consult a
physician.
NEVER APPLY an open flame or live steam to a refrigerant
cylinder. Dangerous over pressure can result. When it is neces-
sary to heat refrigerant, use only warm (110°F [43°C]) water.
DO NOT REUSE disposable (nonreturnable) cylinders or
attempt to refill them. It is DANGEROUS AND ILLEGAL.
When cylinder is emptied, evacuate remaining gas pressure,
loosen the collar, and unscrew and discard the valve stem. DO
NOT INCINERATE.
CHECK THE REFRIGERANT TYPE before adding refriger-
ant to the machine. The introduction of the wrong refrigerant
can cause machine damage or malfunction.
(Warnings continued on next page.)
Form 19/23-9SS Pg 1
19XRV, 23XRV
WARNING
6-19 Replaces: 19/23-5SS