Friedrich Kuhl+ KEQ08A11A User Manual

61 PB
TROUBLESHOOTING
Figure 711 (Troubleshooting Tips)
COMPLAINT CAUSE SOLUTION
Unit Does Not Cool/ Heat Room
Sufciently, or Cycles On And Off
Too Frequently (continued).
Operating in Cooling mode while the
outside temperature is below 60 °F
(16°C).
Donottrytooperateyourairconditionerinthe
coolingmodewhentheoutsidetemperatureis
below60°F(16°C).Theunitwillnotcoolprop-
erly,andtheunitmaybedamaged.
Thedigitalcontrolissettofancycling
mode.
Sincethefandoesnotcirculatetheroomair
continuouslyatthissetting,theroomairdoes
notmixaswellandhot(orcold)spotsmay
result.Usingthecontinuousfansettingisrec-
ommendedtoobtainoptimumcomfortlevels.
Theairconditionerhasinsufcientcool-
ingcapacitytomatchtheheatgainof
theroom.
Checkthecoolingcapacityofyourunittoensure
itisproperlysizedfortheroominwhichitisin-
stalled.Roomairconditionersarenotdesigned
tocoolmultiplerooms.
Theairconditionerhasinsufcient
heatingcapacitytomatchtheheatloss
oftheroom.
Checktheheatingcapacityofyourunit.Aircon-
ditionersaresizedtomeetthecoolingload,and
heatersizeisthenselectedtomeettheheating
load.Inextremenorthernclimates,roomair
conditionersmaynotbeabletobeusedasa
primarysourceofheat.
Unit Runs Too Much.
Thismaybeduetoanexcessiveheat
loadintheroom.
Ifthereareheatproducingappliancesinuse
intheroom,oriftheroomisheavilyoccupied,
the unit will need to run longer to remove the
additionalheat.
It may also be due to an improperly sized
unit.
Besuretouseexhaustventfanswhilecooking
or bathing and, if possible, try not to use heat
producingappliancesduringthehottestpartof
theday.
Compressor does not run.
Low voltage
Checkvoltageatcompressor.115Vunitswill
operateat10%voltagevariance
Temperaturenotsetcoldenoughor
room air thermistor inoperative
Settemperaturetolowerthanambientposition.
Testthermistorandreplaceifinoperative.
Compressorhumsbutcutsoffonover-
load
Directtestcompressor.
Open overload Testoverloadprotector&replaceifinoperative
Opencapacitor Testcapacitor&replaceifinoperative
Inoperative power button
Testforcontinuityinallpositions.ReplaceUser
Interfaceifswitchinoperative.
Broken,looseorincorrectwiring
Refertoappropriatewiringdiagramstocheck
wiring.Correctasneeded.
Tips continued

Friedrich Kuhl+ KEQ08A11A Specifications

General

Brand	Friedrich
Model	Kuhl+ KEQ08A11A
Category	Air Conditioner
Language	English