Troy-Bilt MXZ-4A36NA User's Manual | Page 9
9
Procedure
Pressthepiping/wiringcorrectionswitch(SW871)1minuteormoreafter
turningonthepowersupply.
• Correctioncompletesin10to15minutes.Whenthecorrectioniscom-
pleted,itsresultisshownbyLEDindication.Detailsaredescribedin
thefollowingtable.
• Tocancelthisfunctionduringitsoperation,pressthepiping/wiringcor-
rectionswitch(SW871)again.
• Whenthecorrectioncompletedwithouterror,donotpressthepiping/
wiringcorrectionswitch(SW871)again.
Whentheresultwas“cannotbecorrected”,pressthepiping/wiringcor-
rectionswitch(SW871)againtocancelthisfunction.Then,confirmthe
wiringandpipingcombinationinaconventionalmannerbyoperatingthe
indoorunitsonebyone.
• The operation is done while the power is supplied. Make sure not to
contactpartsotherthantheswitch,includingtheP.C.board.Thismay
cause electric shock or burn by hot parts and live parts around the
switch.ContactingthelivepartsmaycauseP.C.boarddamage.
• To prevent electronic control P.C. board damage, make sure to per-
formstaticeliminationbeforeoperatingthisfunction.
• Thisfunctiondoesnotoperatewhentheoutsidetemperatureis0°C
(32°F)orbelow.
4-4. EXPLANATION TO THE USER
• Using the OPERATING INSTRUCTIONS, explain to the user how to
use the air conditioner (how to use the remote controller, how to re-
movetheairfilters,howtoremoveorputtheremotecontrollerinthe
remotecontrollerholder,howtoclean,precautionsforoperation,etc.)
• RecommendtheusertoreadtheOPERATINGINSTRUCTIONScare-
fully.
LED indication during detection:
LED
1(Red)
2(Yellow)
3(Green)
Lighted
Lighted
Blinking
Result of piping/wiring correction function
LED
Result
1(Red)
2(Yellow) 3(Green)
Lighted
Notlighted
Lighted
Completed(Correctedsuccessful y)
Blinking
Blinking
Blinking
Cannotbecorrected
Otherindications
Referto“SAFETYPRECAUTIONS
WHENLEDFLASHES”located
behindtheservicepanel.
4-3. TEST RUN
• Besuretoperformthetestrunforeachunit.Makesureeachindoor
unitoperatesproperlyfollowingtheinstallationmanualattachedtothe
unit.
• Ifyouperformthetestrunforallindoorunitsatonce,youcannotde-
tectanyerroneousconnection,ifany,oftherefrigerantpipesandthe
indoor/outdoorunitconnectingwires.
About the restart protective mechanism
Oncethecompressorstops,therestartpreventivedeviceoperatessothe
compressorwillnotoperatefor3minutestoprotecttheairconditioner.
Wiring/piping correction function
Thisunithasawiring/pipingcorrectionfunctionwhichcorrectswiring
andpipingcombination.Whenthereispossibilityofincorrectwiringand
pipingcombination,andconfirmingthecombinationisdifficult,usethis
functiontodetectandcorrectthecombinationbyfollowingtheproce-
duresbelow.
Makesurethatthefollowingisdone.
• Powerissuppliedtotheunit.
• Stopvalvesareopen.
Note:
Duringdetection,theoperationoftheindoorunitiscontrolledbytheout-
doorunit.Duringdetection,theindoorunitautomaticallystopsoperation.
Thisisnotamalfunction.
SG79Y871H02.indb 9
9/7/2007 1:09:45 PM
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