035-16409-001 Rev. A (101)
Unitary Products Group
3
START-UP
The comfort control switch is assumed
to be in the “OFF” position. If the main
power supply to the outdoor and indoor
units is off, turn the appropriate discon-
nects to the “ON” position. Place the
system into operation as follows:
1.
Set temperature adjustment to the
desired temperature on your ther-
mostat.
COOLING -
The higher the setting, the
lower the amount of energy consumed.
The National Bureau of Standards rec-
ommends a setting of 78 °F.
HEATING -
The lower the setting, the
lower the amount of energy consumed.
Federal guidelines recommend a set-
ting of 65 °F or lower.
NOTE:
If your cooling and heating
temperature adjustments are sepa-
rate, be sure to set both.
2.
After considering “Fan Operation
Selection” above, select and set
the fan operation mode you desire.
3.
Move the comfort control switch to
the desired mode of operation
(Cooling or Heating) found on your
particular thermostat.
POWER FAILURE
When accidents, wind storms, etc. dis-
rupt electrical power supply to your
house, switch thermostat to “OFF”
position.
NOTE:
This air conditioning system
has many built-in features to protect
the unit:
1.
After a power interruption or ther-
mostat off cycle the system will
delay its start-up for five minutes to
prevent the unit from short cycling.
2.
Anytime the power “dips” or is
lower than normal; the Comfort
Enhancer Control™ will prevent
the unit from operating to prevent
possible damage.
SYSTEM OPERATION
MANUAL CHANGE-OVER
THERMOSTAT
COOLING YOUR HOME - With the
comfort control switch in the “COOL”
position, the system will operate as fol-
lows: When the indoor temperature
rises above the level indicated by the
temperature adjustment setting, the
system will start. The outdoor unit will
operate and the indoor fan will circu-
late the cooled, filtered air. When the
room temperature is lowered to the
setting selected, the system will shut
off.
HEATING YOUR HOME - If your sys-
tem includes a heating unit and the
comfort control switch is in the “HEAT”
position, the system will operate as fol-
lows: When the indoor temperature
drops below the level indicated by the
temperature adjustment setting, the
system will start. The heating system
will operate and the indoor fan will cir-
culate the filtered air. When the room
temperature rises to the setting
selected, the system will shut off.
Whether heating or cooling, the fan will
continue to operate if the fan switch
was set in the “ON or Intelligent” posi-
tion. The “AUTO” setting on the fan
switch will allow the fan to shut off
when your system does.
ELECTRONIC
THERMOSTAT
The computerized electronic thermo-
stat, when programmed, will function
automatically to operate the system as
follows: When the indoor temperature
rises above the higher (COOL) set-
ting, the outdoor unit will operate and
the indoor fan will circulate the cooled,
filtered air. When the room tempera-
ture is lowered to the selected level,
the system will shut off. The indoor fan
will either shut off or run continuously,
depending upon your choice of fan
switch setting. When the indoor tem-
perature drops below the lower (HEAT)
setting, the heating system will oper-
ate, and the indoor fan will circulate the
heated, filtered air. When the indoor
temperature rises to the selected set-
ting, the system will shut off.
1.
Once the desired temperature is
selected on the thermostat, the
unit will delay its start up for five
seconds to prevent unnecessary
operation of the unit.
2.
When the system switches from
first to second stage operation,
there will be an five second delay
during transition.
CARE OF SYSTEM
It is strongly recommended that regular
periodic preventative maintenance be
performed on this equipment. The per-
son most familiar with the equipment in
your H.V.A.C. system is a local dealer.
The local dealer can ensure your main-
tenance program meets the conditions
of the “Warranty”, maximize the effi-
ciency of the equipment, and service
your unit within the federally man-
dated guidelines with regard to unlaw-
ful discharge of refrigerants into the
atmosphere.
COIL CARE
Keep the outdoor unit free of foliage,
grass clippings, leaves, paper, and any
other material which could restrict the
proper air flow in an out of the unit.
The coil may be vacuumed to remove
any debris from between the fins. If the
coil becomes excessively dirty, turn the
main disconnect switch to “Off” and
wash the coil with your garden hose.
Avoid getting water into the fan motor
and control box. Flush dirt from base
pan after cleaning the coil.
CARE OF FAN MOTORS
Some fan motors are provided with
lubrication ports. Inspect your indoor
and outdoor units to determine
whether or not lubrication ports are
provided. The fan motor is shipped
with an oil supply which will last for
several years under normal operating
conditions. After this time, each motor
bearing should be oiled with 10 - 15
drops (approximately 1/4 teaspoon) of
SAE 20 non-detergent electric motor
oil or auto-mobile oil. DO NOT use def-
inite purpose oils such as sewing
machine, cleaning, rust preventative,
cutting, household, etc.
Do not operate this unit in
“cooling” mode when out-
door temperatures are
below 60°F as this will
cause damage to the unit.
