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If your system is an add-on type, (installed in conjunction with a stan-
dard furnace) inspect your furnace blower motor and care for it in the
same way.
FILTER CARE
Inspect the air filter(s) at least once a month. If they are dirty, wash
reusable filters with a mild detergent per manufacturer's recommenda-
tions. Replace disposable filters with new filters.
PROBLEM
1. Thermostat for proper settings.
2. Circuit breakers and fuses.
3. Check outdoor unit for dirty coil (Cooling).
No Heat
4. Outdoor unit for snow accumulation. (Heating).
or
5. Indoor unit for dirty filter (Heating).
Cooling
6. Emergency heat light status on thermostat.
Wet on Floor
Condensate drain and "P" trap
or in Furnace
CLEARANCES
The minimum clearances shown below must be maintained should any
patio or yard improvements be done around the outdoor unit.
• Top 48"
• Sides 12"
• Access 24"
POWER INTERRUPTION
When ice, snow, wind storms, etc. disrupt electrical power supply to
your house, proceed as follows:
Heating Season
1.
Switch thermostat to emergency heat.
NOTE: There will be no heat available until power is re-established.
2.
Leave on emergency heat for at least 8 hours after electrical
power is re-established if the power was off more than 8 hours.
3.
Switch thermostat back to heating or auto.
Unitary Products Group
TROUBLESHOOTING GUIDE
CHECK
Light on = Malfunction
Light flashing = Malfunction
Install the clean filters with "air flow" arrow in the same direction as the
air flow in your duct. Filters should be clean to assure maximum effi-
ciency and adequate air circulation. Drapes, furniture or other obstruc-
tions blocking your supply and return air grilles will also decrease
efficiency.
OUTDOOR UNIT FINISH
If you wish to maintain the finish of the outdoor unit, it can be polished
with car wax. It is recommended the unit be cleaned with soap and
water prior to waxing.
ACTION TO TAKE
Set thermostat to proper setting.
Reset circuit breakers - Replace blown fuses.
Clean coil, see "COIL CARE" section.
Remove loose snow only.
Clean or replace, see "FILTER CARE" section.
Check 1 - 5, call qualified service person.
Check 1 - 5, call qualified service person.
Check 1 - 5, call qualified service person with fault code.
Remove blockage, usually mold or fungus.
Cooling Season
1.
Switch thermostat to OFF position.
2.
Do not switch to cooling or auto until electrical power has been re-
established for 8 hours if the power was off more than 8 hours.
SERVICE CALLS
There are a few instances where you can avoid unnecessary service
calls. (See Troubleshooting Guide above). Some models provide fault
codes. The flashing light on the system thermostat is capable of provid-
ing you with time and money saving information. The fault code num-
bers listed can be handled by taking the corrective action indicated. Call
qualified service person if displaying fault code numbers not listed.
PARTS INFORMATION
Replacement parts are available from local contractor/dealers or the
nearest distribution center.
126114-UUM-C-0306
FAULT CODE
-
-
2
3
2
2
-
-
-
3
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