37MARAQ: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
2
SAFETY CONSIDERATIONS
Installing, starting up, and servicing air- conditioning equipment can be
hazardous due to system pressures, electrical components, and equipment
location (roofs, elevated structures, etc.).
Only trained, qualified installers and service mechanics should install,
start- up, and service this equipment.
Untrained personnel can perform basic maintenance functions such as
coil cleaning. All other operations should be performed by trained service
personnel only. When working on the equipment, observe the precautions
in the literature and on tags, stickers, and labels attached to the
equipment.
Follow all safety codes.Wear safety glasses and work gloves. Keep a
quenching cloth and a fire extinguisher nearby when brazing. Use care in
handling, rigging, and setting bulky equipment. Read these instructions
thoroughly and follow all warnings or cautions included in the literature
and attached to the unit. Consult local building codes and National
Electrical Code (NEC) for special requirements. Recognize safety
information.
This is the safety - alert symbol .
When you see this symbol on the unit and in instructions or manuals, be
alert to the potential for personal injury. Understand these signal words:
DANGER, WARNING, and CAUTION. These words are used with the
safety- alert symbol.
DANGER identifies the most serious hazards which results in severe
personal injury or death.
WARNING signifies hazards which could result in personal injury or
death.
CAUTION is used to identify unsafe practices which may result in minor
personal injury or product and property damage.
NOTE is used to highlight suggestions which results in enhanced
installation, reliability, or operation.
The following symbols may be seen on the unit.
Table 1 — Symbols displayed on the indoor unit or
outdoor unit
NOTE: Risk of Fire. Flammable refrigerant used. To be repaired
only by trained service personnel. Do not puncture
refrigerant tubing.
WARNING
This symbol shows that
this appliance used a
flammable refrigerant. If
the refrigerant is leaked
and exposed to an external
ignition source, there is a
risk of fire.
CAUTION
This symbol shows that
the operation manual
should be read carefully.
CAUTION
This symbol shows that a
service personnel should
be handling this
equipment with reference
to the installation manual.
CAUTION
CAUTION
This symbol shows that
information is available
such as the operating
manual or installation
manual.
PERSONAL INJURY AND PROPERTY DAMAGE HAZARD
For continued performance, reliability, and safety, the only
approved accessories and replacement parts are those specified by
the equipment manufacturer. The use of non-manufacturer
approved parts and accessories could invalidate the equipment
limited warranty and result in a fire risk, equipment malfunction,
and failure.
Please review the manufacturer’s instructions and replacement
parts catalogs available from your equipment supplier.
WAR N I N G
FOR FLAMMABLE REFRIGERANTS
Do not use means to accelerate the defrosting process or to clean,
other than those recommended by the manufacturer.
The appliance shall be stored in a room without continuously
operating ignition sources (for example: open flames, an operating
gas appliance or an operating electric heater).
Do not pierce or burn. Be aware that refrigerants may not contain
an odor.
WA R N I N G
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