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IMPORTANT INFORMATION
NOTICE
The entire system (combination of indoor and outdoor sec-
tions) must be manufacturer approved and air condition-
ing, heating, and refrigeration institute (AHRI) listed. Note:
Installation of unmatched systems is not permitted. Dam-
age or repairs due to installation of unmatched systems is
not covered under the warranty.
NOTICE
When the outdoor unit is connected to main power, the
-
pared for operation when needed. Due to this, the Control
Board components have to be cooled even when the unit is
not running. For this cooling operation, the condenser fan
may come on at any time, including in the winter months.
Any obstruction to the outdoor fan should be avoided at all
times when the unit is powered to prevent damage.
The successful development of hermetically sealed refriger-
ation compressors has completely sealed the compressor's
moving parts and electric motor inside a common housing,
minimizing refrigerant leaks and the hazards sometimes as-
sociated with moving belts, pulleys or couplings.
Fundamental to the design of hermetic compressors is
a method whereby electrical current is transmitted to the
compressor motor through terminal conductors which pass
through the compressor housing wall. These terminals are
sealed in a dielectric material which insulates them from
the housing and maintains the pressure tight integrity of
the hermetic compressor. The terminals and their dielec-
tric embedment are strongly constructed, but are vulnerable
to careless compressor installation or maintenance proce-
dures and equally vulnerable to internal electrical short cir-
cuits caused by excessive system contaminants.
In either of these instances, an electrical short between the
terminal and the compressor housing may result in the loss
of integrity between the terminal and its dielectric embed-
ment. This loss may cause the terminals to be expelled,
thereby venting the vaporous and liquid contents of the com-
pressor housing and system.
A venting compressor terminal normally presents no danger
to anyone, providing the terminal protective cover is properly
in place.
If, however, the terminal protective cover is not properly in
place, a venting terminal may discharge a combination of
a. hot lubricating oil and refrigerant
b.
in a stream of spray which may be dangerous to anyone in
the vicinity. Death or serious bodily injury could occur.
Under no circumstances is a hermetic compressor to be
electrically energized and/or operated without having the
terminal protective cover properly in place.
See Service Section S-17 for proper servicing.
WARNING
TO AVOID POSSIBLE EXPLOSION:
• NEVER APPLY FLAME OR STEAM TO A REFRIGERANT
CYLINDER. IF YOU MUST HEAT A CYLINDER FOR FASTER
CHARGING, PARTIALLY IMMERSE IT IN WARM WATER.
• NEVER FILL A CYLINDER MORE THAN 80% FULL OF LIQUID
REFRIGERANT.
• NEVER ADD ANYTHING OTHER THAN R-410A TO A RETURN-
ABLE R-410 CYLINDER. THE SERVICE EQUIPMENT USED
MUST BE LISTED OR CERTIFIED FOR THE TYPE OF REFRIG-
ERANT USE.
• STORE CYLINDERS IN A COOL, DRY PLACE. NEVER USE A
CYLINDER AS A PLATFORM OR A ROLLER.
WARNING
TO AVOID POSSIBLE EXPLOSION:
• USE ONLY RETURNABLE (NOT DISPOSABLE) SERVICE CYL-
INDERS WHEN REMOVING REFRIGERANT FROM A SYSTEM.
• ENSURE THE CYLINDER IS FREE OF DAMAGE WHICH COULD
LEAD TO LEAK OR EXPLOSION.
• ENSURE THE HYDROSTATIC TEST DATE DOES NOT EXCEED
5 YEARS.
• ENSURE THE PRESSURE RATING MEETS OR EXCEEDS 400 LBS.
WHEN IN DOUBT, DO NOT USE THE CYLINDER.
WARNING
TO AVOID POSSIBLE INJURY, EXPLOSION OR DEATH, PRACTICE
SAFE HANDLING OF REFRIGERANTS.
CAUTION
THE COMPRESSOR PVE OIL FOR R-410A UNITS IS EXTREMELY
SUSCEPTIBLE TO MOISTURE ABSORPTION AND COULD CAUSE
COMPRESSOR FAILURE. DO NOT LEAVE SYSTEM OPEN TO ATMO-
SPHERE ANY LONGER THAN NECESSARY FOR INSTALLATIONS.
NOTICE
Inverter A/C models can only be matched with a DV**PEC
Air Handler, TX-V** Expansion Valve Kit. Damage resulting
from operation with any other combination is not covered
by our warranties. DV**PEC Air Handler is not applicable
only for DX20VC0**1A Model or later revision. Only use
Daikin approved Communicating Thermostats. Approved
Communicating Thermostats are Daikin One+ Smart Ther-
mostat and CTK04AE or newer. (Herein after referred to as
"Thermostat")
WARNING
SYSTEM CONTAMINANTS, IMPROPER SERVICE PROCEDURE
AND/OR PHYSICAL ABUSE AFFECTING HERMETIC COMPRESSOR
ELECTRICAL TERMINALS MAY CAUSE DANGEROUS SYSTEM
VENTING.
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