General Information; Safety Considerations; Site Preparation - Nordyne Two Stage R-410A Split System User's Information/Installation Instructions

Read Your Warranty
Please read the separate warranty document
completely. It contains valuable information
about your system.

GENERAL INFORMATION

!
CAUTION:
This unit uses R-410A. DO NOT under
any circumstance use any other
refrigerant besides R-410A in this unit.
Use of another refrigerant will damage
this unit.
Read the following instructions completely before
performing the installation.
Outdoor Unit Section — Each outdoor unit
is shipped with a refrigerant charge adequate
to operate the outdoor section with an indoor
matching coil or air handler. These units include
the proper amount of refrigerant for an additional
15 ft. of refrigerant lines the same size as the
valve fi ttings.
NOTE: DO NOT USE ANY PORTION OF
THE CHARGE FOR PURGING OR LEAK
TESTING.
Matching coils and air handlers may be shipped
with a small holding charge to pressurize them to
keep out contaminants. To release the pressure,
read the indoor section installation instructions
carefully.
Liquid and Suction Lines — Fully annealed,
refrigerant grade copper tubing should be used
when installing the system. Refrigerant suction
line tubing should be fully insulated.
Field Connections for Electrical Power
Supply — All wiring must comply with current
provisions of the "National Electrical Code"
(ANSI/NFPA 70) and with applicable local
codes having jurisdiction. The minimum size of
electrical conductors and circuit protection must
be in compliance with information listed on the
outdoor unit data label.

SAFETY CONSIDERATIONS

Pressures within the System — Split
system heat pump equipment contains liquid
4
and gaseous refrigerant under pressure.
Installation and servicing of this equipment
should be accomplished by qualifi ed, trained
personnel thoroughly familiar with this type of
equipment. Under no circumstances should the
Homeowner attempt to install and/or service
the equipment.
Labels, Tags, Precautions — When working
with this equipment, follow all precautions in the
literature, on tags, and on labels provided with
the equipment. Read and thoroughly understand
the instructions provided with the equipment prior
to performing the installation and operational
checkout of the equipment.
Brazing Operations — Installation of equipment
may require brazing operations. Safety codes
must be complied with. Safety equipment (e.g.;
safety glasses, work gloves, fi re extinguisher,
etc.) must be used when performing brazing
operations.
!
WARNING:
Ensure all electrical power to the unit
is off prior to installing or servicing
the equipment. Failure to do so may
cause personal injury or death.

SITE PREPARATION

Unpacking Equipment — Remove the
cardboard carton and User's Manual from the
equipment. Take care to not damage tubing
connections when removing from the carton.
Inspect for Damage — Inspect the equipment
for damage prior to installing the equipment at
the job site. Ensure coil fi ns are straight and, if
necessary, comb fi ns to remove fl attened and
bent fi ns.
Preferred Location of the Outdoor Unit at the
Job Site — Conduct a survey of the job site to
determine the optimum location for mounting
the outdoor unit. Overhead obstructions,
poorly ventilated areas, and areas subject to
accumulation of debris should be avoided. The
outdoor unit should be installed no closer than
18 inches from the outside walls of the facility
and in an area free from overhead obstructions
to ensure unrestricted airflow through the
outdoor unit.