4
Another important consideration in selecting a location for
the unit(s) is the angle to obstructions. Either side adjacent
the valves can be placed toward the structure provided the
side away from the structure maintains minimum service
clearance. Corner installations are strongly discouraged.
OK!
OK!
AA
AA
A
A
C
C
C
C
OK!
OK!
OK!
OK!
NOT
RECOMMENDED
AA
AA
AA
AA
AA
B
B
B
B
Model Type
A B C AA
Residential
10" 10" 18" 20"
Light Commercial
12" 12" 18" 24"
Minimum Airflow Clearance
This unit can be located at ground floor level or on flat
roofs. At ground floor level, the unit must be on a solid,
level foundation that will not shift or settle. To reduce the
possibility of sound transmission, the foundation slab
should not be in contact with or be an integral part of the
building foundation. Care should be taken to ensure the
unit is installed away from noise sensitive locations such as
bedrooms, windows and outdoor living areas. Ensure the
foundation is sufficient to support the unit. A concrete slab
raised above ground level provides a suitable base.
ROOFTOP INSTALLATIONS
If it is necessary to install this unit on a roof structure,
ensure the roof structure can support the weight and that
proper consideration is given to the weather-tight integrity
of the roof. Since the unit can vibrate during operation,
sound vibration transmission should be considered when
installing the unit. Vibration absorbing pads or springs can
be installed between the condensing unit legs or frame and
the roof mounting assembly to reduce noise vibration.
Electrical Noise
The unit should be well grounded so that potential
effects of electrical noise from the inverter to surrounding
equipment can be minimized.
When selecting an installation location, keep sufficient
distance from the air conditioner unit and wiring to radios,
personal computers, stereos, etc., as shown in the
following figure.
Circuit
Breaker
(In.)
Radio, TV
60” or mor
e
To Indoor Unit and Thermostat
60” or mor
e
Placement to Minimize Electronic Noise
SAFE REFRIGERANT HANDLING
While these items will not cover every conceivable
situation, they should serve as a useful guide.
T
O
AVOID
POSSIBLE
INJURY
,
EXPLOSION
OR
DEATH
,
PRACTICE
SAFE
HANDLING
OF
REFRIGERANTS
.
WARNING
T
O
AVOID
POSSIBLE
EXPLOSION
,
USE
ONLY
RETURNABLE
(
NOT
DISPOSABLE
)
SERVICE
CYLINDERS
WHEN
REMOVING
REFRIGERANT
FROM
A
SYSTEM
.
• E
NSURE
THE
CYLINDER
IS
FREE
OF
DAMAGE
WHICH
COULD
LEAD
TO
A
LEAK
OR
EXPLOSION
.
• E
NSURE
THE
HYDROSTATIC
TEST
DATE
DOES
NOT
EXCEED
5
YEARS
.
• E
NSURE
THE
PRESSURE
RATING
MEETS
OR
EXCEEDS
400
PSIG
.
W
HEN
IN
DOUBT
,
DO
NOT
USE
CYLINDER
.
WARNING
R
EFRIGERANTS
ARE
HEAVIER
THAN
AIR
. T
HEY
CAN
“
PUSH
OUT
”
THE
OXYGEN
IN
YOUR
LUNGS
OR
IN
ANY
ENCLOSED
SPACE
. T
O
AVOID
POSSIBLE
DIFFICULTY
IN
BREATHING
OR
DEATH
:
• N
EVER
PURGE
REFRIGERANT
INTO
AN
ENCLOSED
ROOM
OR
SPACE
. B
Y
LAW
,
ALL
REFRIGERANTS
MUST
BE
RECLAIMED
.
• I
F
AN
INDOOR
LEAK
IS
SUSPECTED
,
THOROUGHLY
VENTILATE
THE
AREA
BEFORE
BEGINNING
WORK
.
• L
IQUID
REFRIGERANT
CAN
BE
VERY
COLD
. T
O
AVOID
POSSIBLE
FROSTBITE
OR
BLINDNESS
,
AVOID
CONTACT
AND
WEAR
GLOVES
AND
GOGGLES
. I
F
LIQUID
REFRIGERANT
DOES
CONTACT
YOUR
SKIN
OR
EYES
,
SEEK
MEDICAL
HELP
IMMEDIATELY
.
• A
LWAYS
FOLLOW
EPA
REGULATIONS
. N
EVER
BURN
REFRIGERANT
,
AS
P
OISONOUS
GAS
WILL
BE
PRODUCED
.
WARNING
Summary of Contents for VXC20 Series
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