is appliance is not intended for use at altitudes exceeding
2,000 meters.
2. Inspection
On receiving the product, visually inspect it for any major ship-
ping related damages. Shipping damages are the carrier’s respon-
sibility. Inspect the product labels to verify the model number and
options are in accordance with your order. e manufacturer will
not accept damage claims for incorrectly shipped product.
Product design for use with A1 refrigerant are marked with
R410A refrigerant specied on the nameplate.
Product design for use with A2L refrigerant are marked with R32
or R454B refrigerant specied on the nameplate, and the product
will be marked with the following symbols:
Figure 2-1
Product design for use with A2L refrigerant are equipped with
an A2L refrigerant detection system (RDS), which includes A2L
Sensor, Mitigation Control Board, and Wiring Harnesses. Refer
to Section 12 of this manual wiring and operation instructions.
3. Codes & Regulations
is product is designed and manufactured to comply with na-
tional codes. e product shall be installed in accordance with
national wiring regulations. It is the responsibility of the installer
to follow such codes and / or prevailing local codes / regulations.
Compliance with national gas regulations shall be observed. e
manufacturer assumes no responsibility for equipment installed
in violation of any codes or regulations.
4. Installation Preparation
Read all the instructions in this guideline carefully while paying
special attention to the WARNING and CAUTION alerts. If any
of the instructions are unclear, clarify with a certied technician
before proceeding. Gather all tools needed for successful installa-
tion of the unit prior to beginning the installation.
Assure that the maximum operating pressure is considered when
connecting any evaporator unit or condenser unit.
Refer to Section 10 of this manual for refrigerant charging
instructions.
is product family Models CA/CC/CE/CM are PARTIAL UNIT
AIR CONDITIONERS, complying with PARTIAL UNIT require-
ments of UL 60335-2-40 Standard, and must only be connected
to other units that have been conrmed as complying to corre-
sponding PARTIAL UNIT requirements of this Standard (UL
60335-2-40).
e appliance shall be installed in accordance with national reg-
ulations. is product was tested at an external static pressure of
0.66” W.C. None of the components in this product family are
designed or approved to be suitable for outdoor use.
Refrigerant lines must be routed to allow the minimum required
clearance of 24” for service. Consult all appropriate regulatory
codes prior to determining nal clearances.
1. Important Safety Instruction
Potential safety hazards are alerted using the following symbols.
e symbol is used in conjunction with terms that indicate the
intensity of the hazard. It is the responsibility of the owner and the
installer to read and comply with the safety information and the
instructions accompanying these symbols.
This symbol indicates a potentially
hazardous situation, which if not avoided,
could result in serious injury, property
damage, product damage or death.
WARNING
This symbol indicates a potentially
hazardous situation, which if not avoided,
may result in moderate injury or property
damage.
CAUTION
Certied technicians or those individuals
meeting the requirements specied by
NATE may use this information. Property
and product damage or personal injury hazard may occur
without such background.
This appliance is not intended for use by persons (including chil-
dren) with reduced physical, sensory, or mental capabilities, or
lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the
appliance by a person responsible for their safety.
Children must be supervised to ensure that they do not play with
the appliance.
Product designed and manufactured to permit installation in
accordance with local and national building codes. It is the in-
staller’s responsibility to ensure that the product is installed in
strict compliance with the aforementioned codes. Manufactur-
er assumes no responsibility for damage (personal, product or
property) caused due to installations violating regulations.
WARNING
Disconnect ALL power before servicing
or installing this unit. Multiple power
sources may be present. Failure to do so
may cause property damage, personal injury, or death.
WARNING
Do not use means to accelerate the
defrosting process or to clean, other
than those recommended by the manu-
facturer. The appliance shall be stored in a
room without continuously operating ignition sources
(for example: open ames, an operating gas appliance or an
operating electric heater). Do not pierce or burn. Be aware that
refrigerants may not contain an odor.
WARNING
Do not bypass safety devices.
WARNING
- 2 -
If any hot work is to be conducted on the
refrigerating equipment or any associ-
ated parts, appropriate re extinguishing
equipment shall be available to hand. Have a dry powder or
CO2 re extinguisher adjacent to the charging area.
WARNING
Absence of pressure/charge does not
verify a leak. Check coils for leaks prior to
installation.
NOTICE
PARTIAL UNITS shall only be connected
to an appliance suitable for the same
refrigerant.
WARNING
Read the precautions in this manual carefully before
operating the unit.
Read the instructions in this manual carefully before
operating the unit.
Read the instructions in this manual carefully before
servicing the unit.
Read the instructions in this manual carefully before
wiring the unit.
Warning or Caution
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