USER’S INFORMATION MANUAL
P6SP Series
Single Package Electric Heating/Electric Cooling Rooftop Unit
Single Package Electric Heating / Electric Cooling Rooftop Unit
10T Shown
IMPORTANT
Read this owner information thoroughly before attempting to operate or maintain this unit to become familiar with the capabilities and use of your appliance. Keep this literature where you have
easy access to it in the future. If a problem occurs, check the instructions and follow recommendations given. If these suggestions don’t eliminate your problem, call your NORDYNE Servicing
Contractor (Service PRO).
Any additions, changes, or conversions required in order for the appliance to satisfactorily meet
the application needs must be made by a qualifi ed installer, service agency, or the gas supplier
using factory specifi ed and approved parts.
FOR YOUR SAFETY
WARNING: If the information in this manual is not followed exactly, a fi re or explosion may
result causing property damage, personal injury, or loss of life.
— Do not store or use gasoline or other fl ammable vapors and liquids in the vicinity of this or
any other appliance.
— Installation and service must be performed by a qualifi ed installer or service agency.
General Information
This Single Package Electric Heating/
Electric Cooling Rooftop Unit unit has
been designed and built to 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 hazards for
you. Please read this manual carefully
to familiarize yourself with operation,
maintenance, and safety procedures
for this unit.
A regular service and maintenance
schedule should be established to
ensure effi cient and safe operation
of the unit. Contact your dealer for a
periodic unit inspection by a qualifi ed
service technician.
WARNING!
To avoid possible equipment
damage, fire, or death, the
following instructions must
be observed regarding
unit location and operation
procedures.
Unit Location
The area around this single package
air conditioning unit and the vicinity
of any other appliances must be
kept clear and free of combustible
materials, gasoline, and other
fl ammable vapors and liquids. Do
not store or use fl ammable items such
as paint, varnish, or strippers in the
vicinity of the unit.
inspect the unit and to replace any
part of the electrical control system
which has been under water.
Ductwork
The duct connections must be
physically sound and sealed to the
unit’s casing.
The return air and circulating air
ductwork must not be connected
to any other heat producing device
such as a fi replace insert, stove, etc.
Doing so may result in fi re, explosion,
personal injury, carbon monoxide
poisoning, or property damage.
Operating Instructions
Cooling Operation
1. Set the thermostat system switch to
COOL and the thermostat fan switch
to AUTO. (See Figure 1)
2. Set the thermostat temperature
selector to the desired temperature
level. The outdoor fans, compressors,
and indoor blower will all cycle on and
off to maintain the indoor temperature
at the desired cooling level.
Heating Operation
1. Set the thermostat system switch to
HEAT and the thermostat fan switch
to AUTO. (See Figure 1)
2. Set the thermostat temperature
selector to the desired temperature
level. The indoor blower and optional
electric heat module will cycle
on and off to maintain the indoor
temperature at the desired heating
level.
Continuously — Set the thermostat
fan switch to ON (may be called
CONT on some thermostat models).
(See Figure 1) The indoor blower
will start immediately, and will run
continually until the fan switch is
reset to AUTO.The continuous indoor
blower operation can be obtained
with the thermostat system switch set
in any position, including OFF. The
continuous indoor blower operation is
typically used to circulate the indoor air
to equalize a temperature unbalance
due to a solar load, cooking, or
fi replace operation
System Shutdown— Set the
thermostat system switch to OFF and
the thermostat fan switch to AUTO.
(See Figure 1) The system will not
operate, regardless of the thermostat
temperature selector(s) setting.
To Operate the Indoor Blower
Continuously —Set the thermostat
fan switch to ON (may be called CONT
on some thermostat models). (See
Figure 1)
The indoor blower will start immediately,
and will run continually until the fan
switch is reset to AUTO.
The continuous indoor blower
operation can be obtained with the
thermostat system switch set in any
position, including OFF.
The continuous indoor blower
operation is typically used to circulate
the indoor air to equalize a temperature
unbalance due to a solar load or
building equipment.
Do not use the area around the unit
as a storage area. This area must be
kept clear and clean. The unit must
also be kept clear of loose or exposed
insulation materials. Examine the
unit’s area when it is installed or
when insulation is added, since
some insulation materials may be
combustible.
Do not use this appliance if any part
has been under water. Immediately
call a qualifi ed service technician to
2
SYSTEM
MODE
FAN
SWITCH
Figure 1. Typical Thermostat
TEMPERATURE
SENSOR
System Maintenance
CAUTION:
Be certain all electrical power
to the unit is disconnected
before performing the following
recommended maintenance.
Proper maintenance is most important
to achieve the best performance
from the appliance and should be
performed by a qualified service
technician at least once a year. Follow
the maintenance schedule and the
instructions below for years of safe,
trouble free operation.
• Do not place combustible
materials on or against the
cabinet.
• Do not store gasoline or any
other fl ammable vapors and
liquids in the vicinity of the
unit.
• Annually inspect the physical
support of the unit to ensure that
it is physically sound without
sagging, cracks, gaps, etc.,
around the base so as to provide
a seal between the support and
the base.
• Annually inspect the returnair connection to ensure that
it is physically sound and is
still sealed to the casing of the
unit.
• Annually inspect the unit and
ductwork for signs of physical
deterioration.
• Always replace the doors on
the unit after servicing. Do not
operate the unit without all doors
and covers in place.
1. Regular Cleaning:
CAUTION:
Do not strike any of the internal
electrical components while
cleaning.
• Remove any debris from the
outdoor coil, being careful not to
damage the aluminum fi ns.
• Check for and remove any
obstructions to condenser
airfl ow.
• Clean the blower compartment
regularly during the heating and
cooling seasons to remove any
dust that may have accumulated
in the compartment or on the
blower and motor. Buildup of
dust on the blower and motor
can create excessive loads on
the motor resulting in higher than
normal operating temperatures
and possible shortened service
life.
2. Air Filters:
WARNING!
Never operate the unit without
a fi lter in the return air system.
Dust and lint in the return air
can build up on the internal
components, resulting in a
loss of effi ciency, equipment
damage, and possible fire
risk.
6, 7½ and 10 ton rooftop package units
are factory equipped with pleated 2”
disposable fi lters. The fi lters should
be checked periodically and replaced
(or cleaned) when necessary with
fi lters of the same dimensional size.
Replace using disposable fi lters with
a minimum airfl ow rating of 500 FPM
or permanent fi lters only. The fi lter rack
is fi eld adjustable to accommodate
1” permanent fi lters. DO NOT use 1”
disposable fi lters in these units.
NOTE: Filters must be ULC approved
or equivalent for use in Canada.
Always replace the fi lter access
panels after changing or cleaning
the fi lters. Do not operate unit
without the fi lter access panels in
place.
3. Motor Lubrication:
WARNING!
Lubrication of the motors in
this unit is not required. Do
not lubricate any motor in this
product.
The motors for the circulating air blower
and outdoor fan are pre-lubricated at
the factory. No further oiling is required
for the life of this product.
3
Before Calling A Service Technician:
If the unit fails to operate in cooling or heating, be certain of the following:
1. The thermostat is operating properly. Refer to “Cooling Operation” or “Heating Operation.”
2. The electrical power to the unit is turned on.
3. The fi lters are not dirty.
O’Fallon, MO
¢708879m¤
708879A
Specifi cations and illustrations subject to change
without notice and without incurring obligations.
708879A (Replaces 7088790)
Printed in U.S.A. (02/09)
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