Nordyne P6SP Series User Manual

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.

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.

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 

inspect the unit and to replace any 
part of the electrical control system 
which has been under water.

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.

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.

TEMPERATURE
SENSOR

FAN
SWITCH

SYSTEM
MODE