Stimmen - 4, Durchschnittliche Bewertung: 4 ( )

Hersteller: Lennox International Inc. Dateigröße: 1.27 mb Dateiname: Unterrichtssprache:

Theunit will remain in thedefrost mode until the defrost sensor hasdeterminedthatlhe frosthasbeenremovedfrom the coil or a 10 minute time periodhas elapsed. FIGURE3 OEFROST TEST PINS OEFROST TIMEJUMPER T2= 60 MINUTES T1 = 30 MINUTES T3 = 90 MINUTES Thedefrost controlis alsoequippedwitha setof testpinsto aidintroubleshootingof thedefrost system.The following is a briefoutline of the testing of the defrost system. Thedefrostsensorwiltbeclosedat32° Forbelow.Iftemperaturesaresuchthat the switchis notclosed,jumper between the defrostsensorterminalson the defrostcontrol. Start the systemin heating operation. Jumper testpins. A 1/4" quick connectterminalcrimpedonto a solidwireor brazing rod workswellfor testjumper. Closing test pinsspeedup timeintervalbya factor of 256. DEFROSTCONTROLSETTINGDEFROSTTESTCYCLETIME T1-30 minutes 7 seconds T2-60 minutes 14 seconds T3-90 minutes 21 seconds Afterclosingtest pinsand appropriatecycle timehas elapsed,the reversingvalveshouldshiftto defrostmodeand the outdoor fan should stop. Aftertwo secondsof defrostoperation, the reversing valveshouldshift back to heating operation and the outdoor fan shouldstart. SYSTEMPERFORMANCE For maximumperformanceof this heatpump system,the operatingtemperaturesand pressureshouldbe checked and superheat determined at Standard ARItestconditionsof82°Foutdoor -80°Findoordrybulb/67°F wetburb.If the superheatmeasureddeviates from thevalues in the tablebelow,the refrigerant charge shouldbe adjustedaccordingly for maximum performance. PWCSUCTIONSUPERHEAT -TABLE2 Outdoor Unit Model SuctionSuperheat@ A.R.I. Conditions PWC182 18° . 20OF PWC242 17° -19% [ [ PARTNOI 4t_g4DOg4DATESUPERSEOESNEWI I ] 4iS-g,I I RAGE8OF_O MAINTENANCE NORMAL MAINTENANCE WARNING: PRIOR TO ANY OF THE FOLLOWING MAINTENANCE PROCEDURESSHUT OFF ALL ELECTRICALPOWERTOTHEUNIT. FAILTURETODOSOCOULDCAUSE PERSONALINJURY. Periodic inspectionand maintenancenormallyconsistsof changing or cleaningfilters and (under someconditions) cleaning the coils. FILTER-supplied. Inspectoncea month.Replacedisposable,or clean permanenttypeas necessary. DONOTreplace permanenttype with disposable. MOTORS-indoorand outdoortan motors arepermanentlylubricatedand requirenomaintenance. OUTDOORCOIL-Foreignmaterial shouldnot beallowedtoaccumulateonthe outdoor coilsurfaceor other parts inthe air circuit. Cleaningshould beas oftenas necessaryto keepthe coil clean. Usea brush,vacuum cleanerattachment, or other suitable means. If water is used to cleanthe coil, be sure power to the unit is shutoff prior to cleaning. NOTE: CARESHOULDBE USEDWHENCLEANINGTHE COILSSOTHATTHE COILFINS ARENOTDAMAGED. OUTDOORBASEDRAIN-Foreignmaterial should notbe allowedto clogthe drain hole.Inspect andclear'drain openingpriorto heatingseason. PHYSICALAND ELECTRICALDATA 1/4 _/4 I _,,9_Do9.l .-_5-g_l ,_GEgOF,O I OA_El SU_E.SEOES.EW I ?AND 10 PVC 0NLY llllll llllll RED CAP. lira UOI'CR VZOI.[T >( HIGH _EE EV.OV_ Rm U m.L0W CmTm RE9 8L_X C/P/Z:IT_-RIJ_ eTI O / V/I.VE © B.UE im_E)"/_()s'r CONNECTION DIAGRAM I PAGE10OF 10 1PA'_RT N0. I 411941)094 I DATE I 4-15-94 I SUPERSEDES I NEW 3Ct/'ZsO-t-60SUPPLTWI?H .[N. 75'€ €_ WIIaE CX_Z:_zT t i _ cz_qcuzT 2 ) -_ -LINK; tOLTAE_'II_O Lof vo.T_4[_ BUJE 11.10_6?AT IIIIII NO"_j F AWlG_ THE CtqXOINAL IrlRl_ _ _ T14. SAUESIZE A_P TYPEWIRE i_T 0. USf_, IIIIII VXa.k'T HZOH mAC= I €_rxcTOR aU_a_ Yn.LOW I 'flg.LOw CAPACl TIOR-RUN V_ =lJu_ © Ot.UE ,.)NNECT I ON DIAGRAM PWC SELF CONTAINED THRU-THE-WALL HEAT PUMP Part No. Supersedes 30790F08g 30790G082 Date Page_of 6-1-69 12 ,! Installation Maintenance and Instructions _O,MSTP_, Part N_ 30790F089 Date. 6-1-89 $upereedes 30790G082 Page2__2__of FORWARD This is a self-contained heat pump designed for Installation through an exterior wall. The unit is Underwriters' Laboratories listed under heat pumps and is in compliance with Underwriters Standard, UL 559. The unit is also certified to the Air Conditioning and Refrigeration Institute as complying to ARI Standard 240. To simplify the proper Installation and to assure that the unit will operate tn conformity with general accepted safety regulations, you should read carefully the instructions outlined In this manual. Failure to comply with the Installation Instructions, Operating Instructions or Maintenance Instructions, or Alterations of internal widng or parts not specifically outlined within this manual will void the Agency Listing's and Manufacturer's limited warranty. KEEP THIS MANUAL IN A SAFE PLACE FOR READY REFERENCE. PartNo. 307SOF089 Date 6-1-89 Supersedes 30790G082 Page _of INTRODUCTION This manual is intended to familiarize the installer, serviceman, and the user with the installation, operation and maintenance of this thru-the-wall heat pump. This unit is shipped from the factory in one package completely assemblied and wired. A specially d...

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