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Bedienungsanleitung Carrier Streamline Scroll 69NT20-531-300

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  • Carrier Streamline Scroll 69NT20-531-300 - page 1

    Model 69NT20-531-300 Streamline Scroll T- 309 R ev A Car rier T ransicold Container R e frigeration Operation &S e r v i c e ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 2

    OPERA TION AND SER VICE MANUAL CONT AINE R REFRIGERA TION UNIT MODEL 69NT20 - 531 - 300 Streamline Scroll Carr ier Transic old. A member of the Unit ed T echnologies C orporation family. Stoc k s y mbol UTX . Carr ier Transic old Div sion, C arrier Cor poration, P .O . Box 4805, Sy rac us e, N.Y . 13221 U. S. A . ã 2002 Carr ierCor poration D Prin ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 3

    T -309 Safe ty-1 SA FETY S UMMAR Y GENE RAL SAF ET Y NOT ICES The following ge nera l safety notice s supplement the specif ic warnings and ca utions appea ring else where in this manual. They are recommended precautions that m ust be understood and applied during operation and maintenance of the equipme nt cove red her ein. The gene ral safe ty no ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 4

    Safe ty-2 T -309 W ARNING Mak e sure that th e un it cir cui t breaker(s) (CB-1 & CB-2) and the S T AR T -S TOP switch (S T) ar e in the “O” ( OFF) p os iti on b efore conn ectin g to an y electri cal p ower so urce. W ARNING Never use air for leak tes tin g. I t has been d etermin ed th at pressu rized , mix tures of r efri geran t and a i ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 5

    T -309 Safe ty-3 CAUTIO N When P r e-T rip key is pr esse d, econo my , dehumidif icatio n and bulb m ode will be deact ivat ed. At the comple tion of Pr e-T rip activity , econom y , dehumidification and bulb mode must b e r eact ivated. CAUTIO N When a failur e occ urs during automatic t esting the unit will suspend operation awaiting op era tor ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 6

    i T309 T ABL E OF CONT ENTS P ARAGRAPH NUM BER Page GENERAL S AFETY NOTIC ES Safety -1 ..................................................... FIRST A ID Safet y-1 ...................................................................... OPER A TING PR ECAUTIONS Safety -1 ...................................................... MAINTENANCE P REC AUTIONS S ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 7

    ii T309 T ABL E OF CONT ENTS (co nt ) 2.5.1 Standard Ope ration 2-9 .......................................................... 2.5.2 Economized Ope ration 2-9 ......................................................... 2.5.3 Unloaded Oper ation 2-9 ........................................................... MICROPROCESSOR 3- 1 ....................... ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 8

    iii T309 T ABL E OF CONT ENTS (co nt ) OPER A TION 4- 1 ................................................................................. 4.1 INSP ECTION (Bef ore Starting) 4-1 ................................................... 4.2 CONNECT P OWER 4-1 ............................................................ 4.2.1 Connection T o 380/460 vac Powe ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 9

    iv T309 T ABL E OF CONT ENTS (co nt ) SER VICE 6- 1 .................................................................................... 6.1 SECTION LA YOUT 6-1 ............................................................ 6.2 SER VICE V AL VES 6-1 ............................................................. 6.3. MANIFOLD GAUGE S ET 6-1 ........... ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 10

    v T309 6.21.1 Handling Module s 6-14 ........................................................... 6.21.2 Controller T rouble-Shooting 6- 15 ................................................... 6.21.3 C ontroller Pr ogramming Proce dure 6-15 .............................................. 6.21.4 R emoving and I nstalling a Module 6-16 ................. ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 11

    vi T309 LIS T OF ILLUS TRA TION S FI GURE NUM BER Page Figure 2-1 Ref rigera tion Unit - - Front Section 2-1 ............................................... Figure 2-2 Evaporator Sec tion 2-2 ............................................................ Fi gure 2 -3 C omp resso r Sect ion 2-3 ......................................................... ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 12

    vii T309 LIS T OF ILLUS TRA TION S FI GURE NUM BER Page Figure 6-22 Retur n Sensor Positioning 6-18 ..................................................... Figure 6-23 Door Hinge Repair 6-19 ........................................................... Figure 6-24. Insert Location 6-21 ............................................................. Figur ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 13

    1-1 T-309 SECTI ON 1 INTRODUCTION 1.1 I NTRO DUCTI ON The Carr ier T ransic old model 69NT20 - - 531-300 units are of lightwe ight aluminum frame c onstruction, designed to fit in the front of a containe r and serve as the containe r front wall. They are one p iece, sel f-cont ain ed, all elect ric u nit s whic h are f itted with cooling and he ati ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 14

    1-2 T -309 1.3. 1 1 460 V ol t Cab le V arious powe r ca ble and plug designs are availa ble for the main 460 volt supply . The plug options tailor the cables t o each cust om ers requi remen ts . 1.3. 12 Cabl e Restrai nt V arious designs are available f or storage of t he power cab les. These options are var iations of the compre ssor section f r ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 15

    T -309 2-1 SECTI ON 2 DESCRIPTION 2.1 GEN ERAL DESCRI PT IO N 2.1 .1 Re frige ra tion Unit - - Front Sec tion The unit is designed so that the majority of the components are accessibl e from t he front, see Fi gure 2-1. The upper access panels allo w entry into th e evapo rato r s ecti on, and th e center acces s pan el al lows access t o t he evap ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 16

    2-2 T -309 2.1. 3 E vapo rato r Secti on The evapor ator se ction (Figure 2-2) conta ins the return rec order sensor , re turn tempera ture sensor , evaporator expansion valve, unloader valve, suction modulation valve, dual- speed e vaporator fans ( EM1 and EM2), evapo rator coi l an d h eater , defros t h eaters, d efrost tempe rature sensor , hea ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 17

    T -309 2-3 2.1. 4 Co mpresso r Sect io n The compre ssor section includes the compr essor (with high pressure switc h) and the oil sepa rator . This section also contains the oil return solenoid, compre ssor power plug, the dischar ge pre ssure tran sdu cer , di scharge t emperat ure s enso r and th e suction pre ssure transduc ers. The supply temp ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 18

    2-4 T -309 2.1 .5 Air C ooled Conde nser S ec tion The air cooled condenser se ction (Figure 2- 4) consists of the condenser fan, condenser coil, receiver , sight glass/moisture indic ator , liquid line servic e va lve, filter -drie r and fusible plug. The condenser fan pulls air in the bottom of the coil and it is dischar ged hor izontally out thr ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 19

    T -309 2-5 2.1. 6 Co nt rol Bo x Secti on The control box (Figure 2-5) includes the manual opera tion switches; circ uit breaker (CB-1); compressor , fan a nd heate r contac tors; c ontrol power transf ormer; fuses; ke y pad; display module ; cur rent sensor module; controlle r module expansion module and the communic ations interf ace module . 2.1 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 20

    2-6 T -309 2.2 REFRIG ERA TIO N SYSTEM DA T A Model RSH105 W eight (Dry ) 46.5 kg (103 lb) a C o m p r e s s o r / M o t o r Approved Oil Mobil ST32 a . C o m p r e s s o r / M o t o r Assembl y Oil Char ge 2957 ml (100 ounce s) y Oil Si ght Glass The oil level range , with the compr essor of f, should be betwe en the bottom and one -eighth level o ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 21

    T -309 2-7 2.3 EL ECTRI CAL DA T A CB-1 Trips at 29 amps a. Circu i t Breaker CB-2 (50 a mp) T rips at 62.5 am ps a . C i r c u i t B r e a k e r CB-2 (70 a mp) T rips at 87.5 am ps b. Co mpresso r Motor F ull Load Amps (F LA) 13 amps @ 460 vac 380 vac, Single P hase, 50 hz 460 vac, Single P hase, 60 hz c . C o n d e n s e r F a n Full Load A mps 1 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 22

    2-8 T -309 P ARAGRAPH 2. 3 - - Co nt in ued Orange wir e Power Red wire Outp ut Brown wire Gr ound Input volt age 5v d c g H u m i d i t y S e n s o r Out put volt age 0t o3 . 3v d c g. H um i d i ty S enso r Ou tp ut vol tag e readi ng s verses rel ative h umi d ity ( RH) p ercentag e: 30% 0.99 V 50% 1.65 V 70% 2.31 V 90% 2.97 V 2.4 SAFET Y AND PR ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 23

    T -309 2-9 2.5 REF RIG ERA TI ON CI RCUIT 2.5. 1 St and ard Op erati on Starting at the compressor , (see Figure 2-6, upper sche matic) the suction gas is compresse d to a higher press ure and tem perat ure. In the standar d mode, both the economize r and unloader solenoid valves ar e closed. The gas flows through the dischar ge service va lve into ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 24

    2-10 T -309 EV APORA TO R CONDENSER TXV TXV B ULB SMV CO MPRESSOR CO MPRESSOR OIL SEP ARA TO R ORV FIL TER DRIER RUPTURE DISC WA TE R COOLE D CONDENSER OIL RETURN SERVICE V AL VE ORV DPT CPDS DISCHARGE SERVICE CONNECTION HPS EC ONOMI ZE R SERVICE CONNECTION SPT SUCT ION SER VICE CONNECTION QUENCH TXV BULB CPSS ST ANDARD OPERA TION WITH RECEIVER ST ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 25

    T -309 2-1 1 LIQ UID ECON OMIZ ER PRESSURE EC ONOMI ZE R EC ONOMI ZE R SERVICE CONNECTION ESV EC ONOMI ZE R TXV LIQUID LINE SERV ICE CONNECTION OIL SEP ARA TO R RECEIV ER EV APORA TO R CONDENSER TXV TXV B ULB SMV EC ONOMI ZE R TXV B UL B LOW SI DE ACCESS V AL VE LIV Figure 2- 7 Refr iger ation Cir cuit Sc hema tic - - Econom ized Oper at ion LIQ UI ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 26

    3-1 T-309 SECTI ON 3 MICRO PROCESSOR 3.1 TE MPERA T URE CONT ROL MI CROP RO - CESSOR SYSTEM The tem peratu re cont rol M icro-Li nk 2i m icropro cesso r system (see Figure 3- 1) c onsists of a key pad, display module, the control module & expa nsion module set (contr oller) and interc onnecting w iring. The contro ller houses the tempera ture c ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 27

    3-2 T -309 3.1. 1 Key P ad The key pa d (Figure 3- 2) is mounted on the r ight-hand side of the c ontrol box. The key pad consists of eleven push button switches that act as the user ’ s interfa ce with the controlle r . Descr iptions of the switch functions are provided in T able 3- 1. ENTER BA TTERY POWER DEFROST INTERV AL CODE SELECT PRE TRIP ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 28

    3-3 T-309 8 12 33 3 3 3 45 6 7 1 3 3 3 3 3 9 1. Mount ing Screw 2. Micr o-Link 2i Cont rol/ DataCO RDER Module 3. Connector s 4. T es t Point s 5. Fuses 6. Control Cir cuit Power Connec tion (Locat ion: In back of cont roller) 7. Soft ware P rogram ming Port 8. Ba tt ery Pack 9. Expansion M odule Figure 3- 4 C ontrol and Expa nsion Modules 3.1. 3 C ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 29

    3-4 T -309 3.2 .2 Oper ationa l Softwa re (Func tion codes ) The Oper ational Software is the actual operation progra mming of the controlle r which activa tes or deactiv ates com ponents i n accordance wit h current unit opera ting conditions and ope rator selected mode s of opera tion. The programming i s divided into function Codes. Some of the ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 30

    3-5 T-309 mode and the hea ters will be ener gized . The unit will tran sition back to the perisha ble idle mode whe n the tempe rature r ises to 0. 2 _ C (0.4 _ F) below the set point and the hea ters will de-ene r gize 3.3 .7 Per ishable Mode - - Economy The ec onomy mode is an exte nsion of t he conventional mode. The mode is ac tivated whe n th ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 31

    3-6 T -309 1. Bulb mode code Cd35 is set to “Nor . ” 2. Dehumidific ation code Cd33 is set to “Of f.” 3. The user change s the set point to one that is in the f roze n range . When bulb mode is disable d by any of the a bove, the eva porator fan opera tion for dehumidific ation reve rts to “a lt” and the DTS termina tion setting resets ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 32

    3-7 T-309 e. “E ND” i s d isp layed to ind icat e th e en d of t he al arm li st if an y alarm s are act iv e. f. “CLEAr” i s dis pl ayed if al l al arms are i nact ive. Th e alar m queue may t han be clear ed by pressing the EN- TER key . The a lar m list will cle ar a nd “ -- -- -- -- -- ” will be displayed. 3.5. UNI T PRE -TRIP DI AG ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 33

    3-8 T -309 T able 3-2 D ata COR DER C onfigura tion V ar iable s CONF IG URA TI ON NO . TITLE DEFAUL T OPTION dCF01 (Future Use) -- -- -- -- dCF02 S ensor Configur ation 2 2,5,6, 9,54, 64,94 dCF03 Logging Interva l (Minutes) 60 15,30,60, 120 dCF04 Thermistor Forma t Short Low , Norm al dCF05 Thermistor Sampling T ype A A,b, C dCF06 Controlled Atmos ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 34

    3-9 T-309 Raw Data Report for ABC1234567 Ma y 31, 2001 t o Jun 04, 2001 Syst em Conf igur at ion at t he Ti me of Int er rogat ion: Int er rogat ed O n Sept 05, 2001 Ex tracted b y DataL ine Rev 1 .0.0 Contr oll er Sof twar e: 5120 Contr oll er Se ria l #: 04163552 Bil l of Ladi ng #: 1 Orig in: Orig in Date: Destin ation : Disch arge Date: Comme n ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 35

    3-10 T -309 3.6. 4 Logging In ter val (dCF03) The use r may selec t four dif feren t time interv als betwee n data rec ordings. Data is l ogged at exac t int erval s in acco rdance wi th t he real time clock. The clock i s facto ry set at Greenwi ch Mean T i me (GMT). 3.6. 5 Th ermis tor Forma t (d CF04) The user may conf igure the format in which ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 36

    3-1 1 T -309 DataReader Figure 3- 6 D ata Re ade r b. Da taV iew The Data V iew softwa re for a personal computer is supplied on a f loppy disk. This software a llows interr ogation, configura tion variable a ssignment, screen vi ew of th e data, h ard copy report gen erati on, cold trea tment probe ca libration, cold trea tment initializ ation and ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 37

    3-12 T -309 Sensor 1 Place in pulp of the pr oduct locate d next to the re turn air intake. Sensor 2 Place in pulp of the product five fee t from the e nd of the load for 40 foot con- tai ners, or three f eet from th e end o f th e load for 20 foot container s. This probe should b e placed in a center carton at one-ha lf the height of the load. Sen ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 38

    3-13 T-309 T able 3-4 C ontrolle r Configur ation V ar iable s NOTES 1. Configuration numbe rs not listed ar e not used in this applic ation. These items may appe ar when load ing configur ation softwar e to the controller but change s will not be recognize d by the controller progr amming. CONF IG URA TI ON NUMBER TITLE DEFAUL T OPTION CnF02 Eva p ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 39

    3-14 T -309 T able 3-5 C ontrolle r Functi on C odes (She et 1 of 3) Code No. TITLE DES CRIP TI ON N o t e : I f t h e f u n c t i o n i s n o t a p p l i c a b l e , t h e d i s p l a y w i l l r e a d “ -- -- -- -- -- ” Dis play Only Func tions Cd01 Suction Modulation V alve Ope ning (%) Displays the SMV percent open. The right display reads ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 40

    3-15 T-309 T able 3-5 C ontrolle r Functi on C odes (She et 2 of 3)ff Cd22 Compressor State The status of the compr essor is displayed (Of f, On). Cd23 Evaporator Fan Displays the curr ent evapora tor fan state (h igh, low or of f). Cd24 Controlled Atmosphere State Not used in this a pplication Cd25 Compressor Run T ime Remaining Until Defros t Thi ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 41

    3-16 T -309 T able 3-5 C ontrolle r Functi on C odes (She et 3 of 3) Cd31 S tagger S tart Offset T ime (Seconds) The sta gger sta rt of fse t time is the a mount of time that the unit will de lay at sta rt- up, thus allowing multiple units to stagge r their control initiation whe n all units are powe red up together . The eight possible of fset val ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 42

    3-17 T-309 T able 3-6 C ontrolle r Ala rm Indic ations (S hee t 1 of 4 ) Code No. TITLE DES CRIP TI ON AL13 Expansion Module Alarm 13 is trigge red if the c ontrol module ha s lost communication w ith the ex- pansion module f or more tha n five minutes or communica tion fails within the first 15 sec onds on power up. This alarm trigger s failure ac ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 43

    3-18 T -309 T able 3-6 C ontrolle r Ala rm Indic ations (S hee t 2 of 4 ) AL25 Condenser Fan Mo- tor S afet y Alarm 25 is trigger ed by the opening of the condense r motor interna l protector and w ill disable a ll control units e xcep t for the evapora tor fans. This a larm will rema in active until the motor protec tor rese ts. This a larm trigge ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 44

    3-19 T-309 T able 3-6 C ontrolle r Ala rm Indic ations (S hee t 3 of 4 ) AL56 Prima ry Retur n T emperat ure S ens or Fail ure (R TS ) Alarm 5 6 is act ivat ed by an i nval id p rim ary return t emp erature sen sor readi ng that is outside the range of - - 50 to +70 _ C( - - 5 8 _ F to +158 _ F). If Alar m 56 is ac ti- vated a nd the prima ry re tu ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 45

    3-20 T -309 T able 3-6 C ontrolle r Ala rm Indic ations (S hee t 4 of 4 ) NOTE If the Controller is configure d for four probes without a Da taCORDER, the DataCORDER a larms AL70 and AL71 w ill be proce ssed as Controlle r alar ms AL70 and AL71. Refer to T able 3- 10. The Co ntro ll er perform s s elf-check rout ines . if an i nt ernal fai lu re oc ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 46

    3-21 T-309 T able 3-7 C ontrolle r Pr e-T rip T es t Codes ( Shee t 1 of 4) Code No. TITLE DES CRIP TI ON NOTE “Auto” or “Auto1” menu include s the: P0, P1, P2, P3, P4, P 5, P6 and r SLts. “Auto2” menu includes P0, P1, P 2, P3, P4, P 5, P6, P7, P 8, P9, P10 and r SLts. P0- - 0 Pre -T rip I nitiate d All lights and displa y segme nts wil ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 47

    3-22 T -309 T able 3-7 C ontrolle r Pr e-T rip T es t Codes ( Shee t 2 of 4) P5- 1 Supply Probe T est Re quir em ent s: For units equippe d with seconda ry supply probe only . Pass/Fail Criter ia: The temper ature dif fere nce be tween pr imary an d secondar y probe (supply) is compa red. NOTE If this test fa ils, “P5-1 ” and F AIL will be disp ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 48

    3-23 T-309 T able 3-7 T em pera ture Contr oller P re- T rip T est Code s (Shee t 3 of 4 ) NOTE P7-0 through P10 are included with the “Auto2” only . P7- 0 High Pressu re S i t h C l d NOTE This test is skipped if the sensed ambient tempe ratur e is less than 7 _ C (45 _ F), the re turn air tempe rature is less tha n - - 17.8 _ C( 0 _ F), the w ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 49

    3-24 T -309 T able 3-7 C ontrolle r Pr e-T rip T es t Codes ( Shee t 4 of 4) P10-0 Frozen Mode Heat T est S et up: If the container tempe rature is below 7.2 _ C( 4 5 _ F), the set point is c h a n g e dt o7 . 2 _ C and a 180 minute timer is started. The contr ol will then be placed i n the equi valent of norm al heati ng. If the container temperat ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 50

    3-25 T-309 T able 3-8 D ata COR DER Func tion Code A ssignm ent s NOTE Inapplicable Fu nctions Display “ -- -- -- -- -- ” T o Access: Press AL T . MO DE key Code No. TITLE DES CRIP TI ON dC1 Recorde r Supply T emperat ure C urre nt reading o f the supply rec order sensor . dC2 Reco rder R eturn T emperat ure C urrent readi ng o f th e return re ...

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    3-26 T -309 T ab le 3 -9 DataCORDER P re -T ri p Resu lt Record s T est No. TITLE DA T A 1-0 Heater On Pass/Fa il/Skip Result, Change in c urre nt for Phase A, B and C 1-1 Heater Off Pass/Fail/Skip Result, Cha nge in cur rents f or Phase A, B and C 2-0 Condenser Fan On Pass/Fa il/Skip Result, W ater pr essur e switch ( WPS) - - Open /Closed, Change ...

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    3-27 T-309 T able 3-1 0 Da taC ORD ER Ala rm Indic ations T o Access: Press AL T . MO DE key Code N o. TITLE DESCRIPT IO N dAL70 Recor der Supply T emperature O ut of Range The supply recor der sensor re ading is outside of the range of - - 50 _ Ct o 70 _ C( - - 5 8 _ F to +158 _ F) or , t he probe ch eck logic has dete rmined there is a fau lt wit ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 53

    T -309 4-1 SECTI ON 4 OPER A TION 4.1 I NSPECTION (Before Star tin g) W ARNING Bew ar e of unannounc ed st art ing of t he evaporator and condenser fans. Th e unit may cycl e the f ans an d compressor u n ex- pected ly a s con tr ol requ irements d icta te. a. If containe r is empty , check inside for the fo llowing: 1. Check ch annel s or “T” ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 54

    T -309 4-2 4.4 CONNE CT REMO TE M ONI TORI NG RECEPT ACLE If re mote monitoring is required, conne ct remote mon it or pl ug at uni t recept acle. (See it em 9, F igure 2- 5.) When t he remot e mon it or plug i s connect ed to the remot e mo nit ori ng recep tacl e, t he fol lo wing rem ote circui ts are energized : CIRCUI T FUNCT IO N Sockets B to ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 55

    T -309 4-3 3. P re-trip may also be initiated via com munication s. The oper ation is the sam e as for the key pad initiation descr ibed bel ow except th at shoul d a tes t fail , the pr e-trip mod e will autom atical ly termin ate. When initiated via com mu nicatio ns, a test may not be inte rrupted wit h an arrow key, but the pre-tri p mode can b ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 56

    T -309 4-4 1. At every power up. 2. At the end of eve ry defr ost. 3. After every dia gnostic che ck that does not fall out- side of the limits as outlined above. d. Probe Check A defros t cycl e probe check is accom pl is hed by ene rgiz ing just the e vaporator motors for eight minute s at the end of the normal d efrost. At the end of the e ight ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 57

    T -309 4-5 SET POINT F ALLING TEMPERA TURE RISING TEMPERA TURE - - 0. 20 _ C +.20 _ C COOLING ECONOMIZED AIR CI RCULA TION ST ART UNLOADED, TRANSITI ON TO ECONOMIZED OPERA T ION NOT E: T EMPE RA T URES I NDICA T IO NS ARE ABOVE O R BELO W S ET PO INT AIR CI RCULA TION Figure 4- 3 Controlle r Oper ation - - Froze n Mode CONTROL T RANS FORMER POWER T ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 58

    T -309 4-6 noid valve changing f rom e conomize d opera tion to unloaded ope ration. (As shown in Figure 4- 5) d. The c ontroller monitors the supply air . Onc e the sup- ply air falls below set point the controlle r periodic ally rec ords the supply air tempera ture, set point and time. A ca lculation is then perf ormed to determine temper- ature ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 59

    T -309 4-7 Def rost may be initiate d by any one of the following methods: 1. The manual de frost switch (MDS) is closed by the user . 2. The user sends a defr ost command by communica - tions. 3. The de frost inte rval time r (c ontroller func tion code Cd27) reaches the defrost in terval set by the user . 4. The controlle r probe diagnostic logic ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 60

    5-1 T-309 SECTI ON 5 TROUBLESHOOTING CONDI TI ON P OSS IBL E CAUSE REMEDY / REFE RENCE SECTION 5.1 UNIT W IL L NOT S T ART O R ST ARTS THE N STOPS Externa l power sourc e OFF Tu r n o n No power to unit Star t-Stop switch O FF or defe ctive Ch eck N o p o w e r t o u n i t Ci rcui t break er tri pped or OF F Ch eck Ci rcuit break er OFF or d efecti ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 61

    5-2 T -309 CONDI TI ON P OSS IBL E CAUSE REMEDY / REFE RENCE SECTION 5.3 UNIT RUNS BUT HAS INSUF F ICI ENT COO L ING Abnormal pr essures 5.7 Abnormal te mperature s 5.15 Abnormal c urrents 5. 16 Controller ma lfunction 5.9 Evapora tor fan or motor defe ctive 6.17 Shortage of re frigera nt 6.7.1 Refri gerati on S yst em S uction modulation va lve lo ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 62

    5-3 T-309 CONDI TI ON P OSS IBL E CAUSE REMEDY / REFE RENCE SECTION 5.6 UNIT W IL L NOT DE FRO ST PRO PERL Y - - Co n tin ued W ill not initiate de fro st Manua l defr ost switch d efe ctive Rep lace W i l l n o t i n i t i a t e d e f r o s t manua lly Defros t t emperat ure s ensor open 4.9.5 Initia tes but relay (D R) drops out Low line voltage ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 63

    5-4 T -309 CONDI TI ON P OSS IBL E CAUSE REMEDY / REFE RENCE SECTION 5.9 CONT ROL LE R MAL FUNCT IO N Defecti ve S enso r 6.22 Def ective w iring Ch eck W ill not control Fuse (F1, F2, F3) blown Rep lace W i l l n o t c o n t r o l Stepper motor suc tion modulation valve circuit malfunc tion 6. 20 Low refr igerant char ge 6.7 5.10 NO EV AP ORA TOR ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 64

    5-5 T-309 CONDI TI ON P OSS IBL E CAUSE REMEDY / REFE RENCE SECTION 5.14 COMPRESSOR OPERA T ING IN REVERSE CAUTIO N Allowing the sc r oll com pr essor to ope rat e in r ever se for mor e t han two m inutes will r esult in inte rnal comp r esso r damage. T urn th e start - - s top swi tch OFF immed iatel y . Incorrect wiri ng o f comp resso r Elect ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 65

    6-1 T-309 SECTI ON 6 SERVICE NOTE T o avoid damag e to t he ea rth’ s ozone layer , use a refrige rant recove ry system whenever removing ref rigerant. Whe n working with re friger ants you must comply with a ll local governme nt environmenta l la ws. In the U.S. A., refe r to EP A section 608. W ARNING Never use air for le ak testing. It h as be ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 66

    6-2 T -309 sys tem can b e charged. Oi l can als o be added to t he system. A R-134a manifold gauge/hose se t with self-se aling hoses (see F igure 6-4) is re quired for service of the models cove red w ithin this ma nual. The manifold gaug e/ho se set is avai labl e from C arrier T ran sico ld . (Carr ier T ransic old P/N 07-00294-00, which includ ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 67

    6-3 T-309 gauge. If a vac uum is indicate d, emit ref rigera nt by cra cking t he liquid line valve momentar ily to build up a slight positive pressure . g. When opening up the ref rigera nt system, certa in parts may fr ost. Allow the part to warm to ambient temper- ature be fore disma ntling. This avoids internal con- densation w hich puts moistu ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 68

    6-4 T -309 a. Remove all ref rigerant using a refr igerant r ecover y system. b. The rec ommended m ethod to evacua te and dehydrate th e sys tem is to conn ect ev acuat ion hos es at t he co m- pressor suc tion, compressor ec onomizer a nd liquid line servic e valve (se e Figure 6-5). Be sure the ser- vice hoses ar e suited for eva cuation purpose ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 69

    6-5 T-309 6.7 REF RIG ERANT CHARGE 6.7. 1 Ch eckin g t he Ref rig erant Charg e NOTE T o avoid damage to the ear th’ s ozone layer , use a refrig erant recovery sys tem whenev er remo v- ing ref rigera nt. When working with refr iger- ants you must comply with a ll loca l govern- ment e nvironmenta l laws. In the U.S. A., refe r to EP A section 6 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 70

    6-6 T -309 T ab le 6 -1 Compresso r Ki t Item C omponent Qty 1 Compressor 1 2 Serv ice V al ve S eal 3 3 Mylar W asher s 4 4 Wi r e T i e 2 5 Oil Si ght Glass P lug 1 6 Resilie nt Mount 4 7 Upper Shock Mount Ri ng 1 8 Upper Shock Mount Bushing 1 9 Compressor Power Plug O- - Ring 1 10 SST W ash er s 8 c. If the compressor is not opera tional, turn t ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 71

    6-7 T-309 n. Pl ace th e new s ervice s eals (kit i tem 2) at t he com- pressor servic e ports, c onnect the four se rvice valves loosely . o. T orque the four resilient mount screw s to 6.2 m kg (45 ft - - lbs). p. T orque the four se rvice va lves to: Service Valve T orque Suction or Disc har ge 1 1 to 13. 8 mkg (80 to 1 00 ft - - lbs .) Economiz ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 72

    6-8 T -309 6.10. 2 Ch eckin g Hig h Pressu re Swit ch W ARNING Do not use a nitr oge n cylinder wit hout a pre ssure r egulator . Do not u se oxygen in or near a re friger ation system as an explosion may occu r . NOTE The high pressur e switch is non-a djustable. a. Remove switch a s outlined in par agra ph 6.10.1 b. Connect ohmmete r or continuit ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 73

    6-9 T-309 2. Check the moisture- liquid indicator if the indica tor shows a high leve l of moisture, the filter -drier should be repl aced. b. T o Re place Filter -Drie r 1. Pump down the unit (refe r to paragr aph 6.4 and re place f ilter -drie r . 2. Evacuat e th e low s id e in acco rdance wi th paragrap h 6.6. 3. After unit is in opera tion, in ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 74

    6-10 T -309 Copper T ube (Apply heat f or 10-15 sec onds) Bi-m etallic Tube Connection (Apply heat f or 2-5 s econds) Use of a wet clot h is not neces- sary due to r apid heat diss ipation of t he bi - - metallic connec tions Braz e Rod (’Sil- Phos” = 5. 5% Silver, 6% Phosphorus ) Figure 6- 12 He rme tic T h e r m o s t a t i c Expans ion V alv ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 75

    6-1 1 T -309 c. Det ermi ne whi ch heat er(s) n eed repl acing by ch eck- ing r esis tan ce on each heat er . R efer to paragrap h 2. 3 for heat er resi st ance val ues d. Remove hold-down c lamp sec uring heate rs to coil. e. Lift the bent end of the heater (w ith the opposite end down and aw ay fr om coil). Move hea ter to the side enough to cle ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 76

    6-12 T -309 the re friger ation unit into the container . The fan motor bearin gs are facto ry lub ricat ed and do no t requ ire addi ti onal g rease. 6.17. 1 Rep laci ng T he Evap orat or Fan Assemb ly WARNING Alway s turn O FF the u ni t ci rcu it b reak ers (C B-1 & CB-2 ) and disco nnec t main pow er supply be for e wo rking on m oving par ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 77

    6-13 T-309 under load conditions. The important advantage s of a ana lyzer a re its ability to locate c apac itors that have faile d to hold their mic rofa rad ra tings, or those that are brea king down interna lly during opera tion. It is also useful in ide ntifying ca pac itors w hen their microf ara d rating mar ks have become unr eada ble. 6.19 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 78

    6-14 T -309 6.20. 1 Prech eck Proced u re a. C hec k unit for a bnormal ope ration. b. Ch eck charge. If r efrigeran t i s lo w repai r as requ ired and a gain che ck opera tion. c. If suf ficie nt cap acity cannot be ma intained or unit is tripping exc essively on high pr essure switch (HPS ) in hi gh am bi ent s, ch eck coil s and cl ean if requ ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 79

    6-15 T-309 12 3 4 5 2 1. Contr oller Soft ware Progr amming Por t 2. Mount ing Screw 3. Controller 4. Expansion M odule 5. Test P oints F i g u r e 6 -1 8 Controlle r Sect ion of the Contr ol Box a. Obtain a grounding wr ist strap (Car rier T ransicold part number 07- - 00- - 304 - - 00)and a static dissipation mat (Carr ier T ransic old part numbe ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 80

    6-16 T -309 5. Press t he ENTER key on the keypad. 6. The Display will show the message “Pro S oFt.” This messa ge will last for up to one minute. 7. The Display module will re ad “Pro donE” when the soft ware lo adin g has load ed. (If a probl em o ccurs while load ing the softwar e: the Display will blink the message “ Pro F AIL” or ? ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 81

    6-17 T-309 T ab le 6 -2 Senso r T emp eratu re/Resi stance Ch art (+ / - - . 002%) T emp erature Resi stan ce _ _ _ _ C _ _ _ _ F (Ohms) C F AMBS, CPSS, DTS, RT S, RRS, ST S, SRS CPDS -- 3 0 -- 2 2 177,000 1, 770,000 -- 2 5 -- 1 3 130,400 1, 340,000 -- 2 0 -- 4 97, 070 970,700 -- 1 5 5 72,900 729,000 -- 1 0 14 55, 330 553,000 -- 5 23 43, 200 423,30 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 82

    6-18 T -309 SRS probe STS probe Supply Air Stream Mounting Clamp Supply Se nsor Se nsor Wire s Back Panel 2.5” Drip Loop T .I.R. B olts Gasket ed Suppor t Plate Gasket Mounting Plate Insula tion Gasket ed Cover Figure 6- 21 Supply Se nsor Pos itioning 6.22. 3 Sen sor Re - - I nstal l atio n a. Sens ors STS a nd SRS T o proper ly position a supply ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 83

    6-19 T-309 6.24. 2 Cracks Crack s i n t he con trol bo x are repai red u si ng a fi berglas s patch ove r the dama ged ar ea. Mate rials re quired are include d i n the Fiber glass Patch Kit supplied with Cra ck Repair Kit, Carrier T ransicold part number 76-00724-00SV (see T able 6-3) . a. The surfac e must be clea n and dry . Roughen the sur- fac ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 84

    6-20 T -309 T ab le 6 -3 Crack, Chi p & Hol e Repai r Ki t ITE M DESCRIPTI ON P ART NUMBER Qty 1 Crac k R epa ir Kit - - Includes 76 - - 00724 - - 00S V 1 2 Fiber glass Patc h Kit (Loctite FK - - 98 or 80265) ... 76- - 00724- - 00Z 10 3 Sikaflex 221 Adhesive S eala nt (Sikaflex 232- - 361) ... 02- - 00067- - 02Z 10 4 Inst ruct ion S heet ... 98 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 85

    6-21 T-309 03 03 03 03 04 04 03 01 07 07 05 05 06 INSE RT P A R T NUM BERS 34 - - 06231 - - ## WHERE T HE ## IS AS I NDI CA TED Fi gu re 6 -24. In sert L ocat io n ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 86

    6-22 T -309 6.25 COMM UNICA TI O NS INT ERF ACE MO DULE INST ALLA TION Communic ations inter face M odule CB1 Figure 6- 25. Com munica tions Inte rfa ce Insta llation Units with communic ation interf ace module pr ovision have the require d wiring installed. The provision wiring kit (par t number 76- - 00685 - - 00), includes thr ee pre- - addr ess ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 87

    6-23 T-309 T ab le 6 -7 R-134a T emp erature - Pressu re Chart T emp erature V ac uum _ _ _ _ F _ _ _ _ C “/hg cm/ hg kg /cm @ @ @ @ bar -- 4 0 -- 4 0 14. 6 49.4 37. 08 0.49 .35 .37 12.3 41. 6 31.25 0. 42 -- 3 0 -- 3 4 9.7 32.8 24.64 0.33 -- 2 5 -- 3 2 6.7 22.7 17.00 0.23 -- 2 0 -- 2 9 3.5 11 . 9 8. 89 0.12 -- 1 8 -- 2 8 2.1 7.1 5. 33 0.07 -- 1 6 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 88

    7-1 T-309 SECTI ON 7 ELECT RICAL WIRING SCHEMA T IC 7.1 I NTRO DUCTI ON Thi s secti on con tai ns th e Electri cal S chemat ics and W iri ng Di agrams . Th e diagram s are present ed as foll ows : Figure 7-1 Provides the legend for use with all figure s. Figure 7-2 Provides the basic sche matic diagr am. Figure 7-3 Provides the basic wiring dia gra ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 89

    7-2 T -309 Figur e 7 - 2 SCHEMA TIC DIAGRAM ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 90

    7-3 T-309 Fi gu re 7 -3 WIRI NG DI AGRAM (Sh eet 1 o f 2) ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 91

    7-4 T -309 Fi gu re 7 -3 WIRI NG DI AGRAM (Sh eet 2 o f 2) ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 92

    Index -1 T -309 INDEX A Air Cooled Condenser Sec tion, 2-4 Alarm, 3- 6, 3-10, 3-12, 3-17, 3-27 B Bat tery , 1-1 C Capaci to rs, 6-1 2 Ch eckin g Su perheat , 6-9 Communications, 1 -1 Communications Interfa ce Module, 3-1 1, 6-21 Compressor , 1-1, 6-5 Compressor Phase Seque nce, 4-5 Compressor Sec tion, 2-3 Condenser C oil, 1-1, 6-8 Condenser Fan, 6 ...

  • Carrier Streamline Scroll 69NT20-531-300 - page 93

    Index -2 T -309 INDEX K Key Pad, 3-2 L Leak C hecki ng, 6 -3 Logging Inter val, 3-10 M Manifold Gauge Se t, 6-1 Micropor cessor System, 3-1 Modes Of Oper ation, 3-4 O Oil, 6-7 Opera tional Softwar e, 3-4, 3-7 Option De scriptions, 1-1 P Pai nted S urfaces , 6-1 7 Perisha ble Mode - - Bulb, 3-5 Perishable Mode - - Conventional, 3-4 Perishable Mode - ...

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