Emerson Quiet Kool 18S-EHVC24WD2V, Руководство пользователя, Страница: 4 / 19

2
SAFETY
Important - This document contains a wiring diagram
and service information
.
This is customer property and is
to remain with this unit
.
Please return to service informa
-
tion pack upon completion of work
.
Failure to follow this warning could result in property
damage
,
severe personal injury , or death .
Disconnect all electric powe r , Including remote disconnects
before servicing
.
Follow proper lockout
/
tagout procedures
to ensure the power cannot be inadvertently energized
.
HAZARDOUS VO LTAGE!
Any attempt to repair a central air conditioning product
may result in property damage
,
severe personal injury ,
or death
.
These units use R-410 A refrigerant which operates at
50 to 7o% higher pressures than R-22
.
Use only
R
-
410A approved service equipment
.
Refrigerant
cylinders are painted a “ Rose ” color to indicate the type
of refrigerant and may contain a “ dip ” tube to allow for
charging of liquid refrigerant into the system
.
All R
-
410A
systems with variable speed compressors use a PVE
oil that readily absorbs moisture from the atmosphere
To limit this “ hygroscopic ” action
.
the system should
remain sealed whenever possible
.
If a system has been
open to the atmosphere for more than 4 hours
,
the
compressor oil must be replaced
.
Never break a
vacuum with air and always change the driers when
opening the system for component replacement
.
May cause minor to severe burning
.
Failure to follow this
Caution could result in property damage or personal injury .
Do not touch top of compressor
.
REFRIGERANT OIL!
HOT SUR FACE!
WARNING
CAUTION
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 manufacturer or seller cannot be
responsible for the interpretation of this information
,
nor
can it assume any liability in connection with its use
.
CAUTION
WARNING
Failure to follow proper procedures can result in
personal illness or injury or severe equipment
damage
.
System contains oil and refrigerant under high
pressure
.
Recover refrigerant to relieve pressure
before opening system
.
CON TAINS REFRIGERANT!
Failure to inspect or use proper service tools may
result in equipment damage or personal injury
.
Reconnect all grounding devices
.
All parts of this
product that are capable of conducting electrical
current are grounded
.
if grounding wires
,
screws
,
straps
,
clips
,
nuts
,
or washers used to complete a
path to ground are removed for service
,
they must be
returned to their original position and properly
fastened
.
GROUNDING REQUIRED!
Failure to follow this warning will result in abrupt
release of system charge and may result in personal
injury and
/
or property damage
.
Extreme caution
should be exercised when opening the Liquid Line
Service valve
.
Turn valve stem counterclockwise only
until the stem contacts the rolled edge
.
No torque is
required
.
SERVICE VALVES
!
Failure to inspect lines or use proper service tools
may result in equipment damage or personal injury .
if using existing refrigerant lines make certain that all
joints are brazed
,
not soldered
.
BRAZING REQUIRED
!
Failure to follow this warning could result in property
damage
,
severe personal injury , or death .
Earth connection essential before connecting
electrical supply .
HIGH LEAKAGE CURRENT!
CAUTION
CAUTION
WARNING
WARNING
WARNING