Installer's Information; Site Preparation; General Information - Nordyne S3BM-120G User's Information And Installation Instructions Manual

SAFETY INFORMATION
Safety markings are used frequently throughout this
manual to designate a degree or level of seriousness and
should not be ignored. WARNING indicates a potentially
hazardous situation that if not avoided, could result in
personal injury or death. CAUTION indicates a potentially
hazardous situation that if not avoided, may result in minor
or moderate injury or property damage.
WARNING:
Shut off all electrical power to the unit before
performing any maintenance or service on the
system. Failure to comply may result in personal
injury or death.
Pressures within the System
Split system air conditioning equipment contain liquid
and gaseous refrigerant under pressure. Installation
and servicing of this equipment should be performed
by qualifi ed, trained personnel thoroughly familiar with
this type of equipment. Under no circumstances should
non-qualifi ed personnel 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 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.

GENERAL INFORMATION

This unit has been designed and tested for capacity and
effi ciency in accordance with A.R.I. 340/360 Standards.
This unit will provide many years of safe and dependable
comfort, providing it is properly installed and maintained.
With regular maintenance, this unit will operate satisfactorily
year after year. Abuse, improper use, and/or improper
maintenance can shorten the life of the appliance and
create unsafe hazards.
To achieve optimum performance and minimize equipment
failure, it is recommended that periodic maintenance be
performed on this unit. The ability to properly perform
maintenance on this equipment requires certain
mechanical skills and tools.
4

INSTALLER'S INFORMATION

Please consult your dealer for maintenance information
and availability of maintenance contracts. Please read all
instructions before installing the unit.
Condensing Unit
Each condensing unit is shipped with a refrigerant holding
charge adequate to maintain a positive pressure to keep
out contaminants. NOTE: Do not use any portion of the
charge for purging or leak testing.
Liquid and Suction Lines
Refrigerant grade copper tubing should be used when
installing the system. Refrigerant suction line tubing should
be fully insulated.
When condensing unit is matched with two air handlers
(two coils) or a dual circuit evaporator coil, refrigerant
tubing should be branched between both evaporator coils
or circuits using equal lengths of tubing to maintain equal
evaporator/circuit performance.
Field Connections for Electrical Power Supply
All wiring must comply 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.

SITE PREPARATION

Unpacking Equipment
Remove the cardboard carton and User's Manual from the
equipment. Take care not to damage the tubing connections
when removing 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
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 airfl ow
through the outdoor unit.
Facility Prerequisites
Electrical power supplied to the unit must be adequate for
proper operation of the equipment. The system must be
wired and provided with circuit protection in accordance
with local building codes.