Carrier 50TCA04-A07 manual

50TCA04 - - - A07 Nominal 3 to 6 T ons Wi t h Pu ro n ® (R410A) Refrigerant Se rvice and Mainte nance Ins truct ions T ABLE OF CONTENTS SAFET Y CONSIDE RA TIONS 1 .................... UNIT ARRANGE ME NT AND ACCESS 2 ........... SUPPL Y F AN (BLOW ER ) SE CTI ON 3 .............. COOLI NG 5 .................................... PURON R (R - - 410A) R[...]

2 ELECTRIC AL OPERA TION HAZARD Failure t o follow thi s warning c ould result i n personal injury or dea th. Units with c onvenie nce outlet ci rcuit s may use multiple disconnects. Check convenience outlet for power status before opening unit for service . Locate its disconnec t switch, i f appropriat e, and ope n it. T ag- - out this sw itch, if[...]

3 loca ted on the re ar side of the uni t, above the evapo rator/retu rn air acces s p anel. (S ee Fig. 1 .) T o remov e the filters : 1. Grasp the bottom flange of the uppe r panel. 2. Lift up and swing the bott om out unt il the pane l dis- engage s and pull s out. 3. Reach ins ide and extract the filters from the filter rack. 4. Replace these fi[...]

4 insi de surf aces. Check belt tens ion by us ing a spring- - force tool (such as Browning’ s Part Number “ Belt T e nsion Checke r” or equivale nt tool); t ension should be 6 - - lbs at a 5/8- - in. deflectio n when meas ured at the cen terline of the belt span. T his point is a t the center of the belt w hen mea suring the distance be twee[...]

5 Moto r When re placi ng the m otor , al so re plac e the exte rnal - - tooth lock washer (star washer) under the motor mounting base; this i s part of the motor grounding system. Ensure the teeth on the lock w asher are in con tact with the moto r ’ s painted bas e. Tigh ten motor moun ting bolts to 120 +/ - - 12 in- - lbs. Changing fa n wheel [...]

6 T wo- - Row Co ils Clean coil as follow s: 1. Turn of f unit power , ta g disconnec t. 2. Remove t op panel screws on condenser end of uni t. 3. Remove c ondenser coi l corne r post. See Fig. 8. T o hold top panel ope n, plac e coil corne r post between top pan el and center pos t. See Fig. 9. C08205 Fig. 8 - - Cleanin g Con den ser Co il C08206 [...]

7 6. Hold garden sprayer noz zle c lose to fi nned a reas and apply c leane r with a vertic al, up- - and - - down mot ion. A void sp raying in h orizontal patter n to minimize po- tential for fin d amage. 7. Ensure cle aner t horoughly penet rate s deep into fi nned areas . 8. Interior a nd e xterior fi nned areas must be t horoughly cleaned. 9. F[...]

8 T o Us e Coolin g Ch argin g Char ts T ake the out door ambi ent tem perat ure and read t he suctio n pres sure gau ge. Refer to chart to deter mine w hat suction te mpera ture should be. If suction tem perat ure is high, a dd refrigera nt. I f suction te mpera ture is low , carefully r ecover s ome of th e charg e. Recheck th e s uction pres sur[...]

9 COOLING C HARGING CHAR TS C08203 C08204 Fig. 12 - - Cooling Charging Charts 50TC[...]

10 COOLIN G CHARGING CHAR TS (cont) C08228 C08229 Fig. 12 - - Cooling Charging Charts (cont.) 50TC[...]

11 Compr essor Lu bricatio n The c ompressor is charged with the c orrect a mount of oil at the factor y . UNIT DAMAG E HAZ ARD Failur e to follow th is caution may res ult in d amage to compone nts. The compre ssor is in a Puron R refrige rant system and uses a pol yolester (POE) oil. This oi l is e xtrem ely hygroscopic, me aning it absorbs water[...]

12 T ab le 1 – Coolin g Service A nalys is PROBLEM CAUSE REMED Y Compressor and Condense r Fa n W i ll Not S ta r t. Pow er f a il u re . Cal l power c ompany . F use blo wn or ci rc uit br eake r tri pped. Replace fuse or reset circui t breaker . Defectiv e ther mostat, conta ctor , tra nsfor mer , or control r elay . Repl ace c ompo nent. Ins u[...]

13 CONVENIENCE OUTLETS ELECTRIC AL OPERA TION HAZARD Failure t o follow thi s warning c ould result i n personal injury or dea th. Units with c onvenie nce outlet ci rcuit s may use multiple disconnects. Check convenience outlet for power status before opening unit for service . Locate its disconnec t switch, i f appropriat e, and ope n it. T ag- -[...]

14 operati on are fac tory - - provi ded and mounte d. The uni t is factory- - configur ed for immediate smok e detector shutdown operation; a dditiona l wiring or modific ati ons t o unit termin al board may be neces sary to complete the unit and smoke det ect or configura tion to m eet project requirem ents. Syst em The smoke de tec tor system c [...]

15 For install ati ons using two sensors, the duc t smoke dete ctor doe s not di f fere ntia te which sensor signals an alarm or trouble condition. Smo ke Detecto r Lo catio ns Supply Air — The Supply A ir smoke dete ctor sensor is locat ed to t he lef t of the unit’ s indoor (supply) fan. S ee Fig. 18. Acces s is through the fan access panel. [...]

16 6. For un its with an econ omizer , the samp ling tu be is in- tegra ted int o the e conomiz er housing but t he connec- tion of the flex ible tubing to the s ampling tub e is the sam e. C08127 Fig. 22 - - Ret urn Air S enso r Operat ing Pos ition FIO P S mok e Detector Wiri n g an d Resp on se All unit s: FIO P smoke detec tor i s configured to[...]

17 Sensor and Contr oller T est s Sensor Alarm T est The senso r alarm test checks a s ensor’ s ability to sign al an alarm sta te. Thi s test requires that you use a fie ld provided SD- - MAG tes t magnet. OP ERA TIO NAL TEST H AZARD Failure to fol low t his caut ion m ay result in pe rsonnel and aut hority conc ern. This test places the duct de[...]

18 Changin g the Dirt Sensor T est By defaul t, sensor dirt y test result s are indi cate d by: S The sens or ’ s Dirty LED flashin g. S The control ler ’ s T rouble LED flashing. S The controll er ’ s supervi sion rela y cont act s toggle. The opera tion of a sensor ’s dirty test ca n be change d so that the contro ller ’ s su pervis ion[...]

19 T ab le 3 – Detecto r Ind icators CON TROL OR IN DI CATO R DESCRI PTIO N Magnetic test /reset switch R esets th e sensor when it is in the a larm or troub le state. Activates or tests the sen sor wh en it is in the n ormal sta te. Alarm LED Indi cate s the sens or is in the al arm stat e. Tr o u b l e L E D Indica tes t he sens or is i n the t[...]

20 S If a wirin g fault between a s enso r and the contro ller , th e controll er ’ s Trouble LED t urns on but not the sensor ’s . Al arm Power T est/re set swi tch Tr o u b l e C07298 Fig. 26 - - Co ntr oller As sem bly NOTE : All t roubles are latche d by the duc t smoke detector . T he trouble conditio n must be cleared and then the duct sm[...]

21 The High Stat ic opt ion supply fan m otor is equipped wit h a pilot- - circuit Thermix combin ation overtem perat ure/ove rcurrent prot ect ion devic e. T his devic e reset s autom atic all y . Do not bypass this switch to correc t trouble. Det ermi ne the cause and corre ct it . Cond enser Fan Motor Protecti on The condenser fan mot or i s int[...]

22 Sing le P oi nt Boxe s and Supple me nta ry F use s — When the unit MO CP device value exceeds 60 - - A, unit- - mounted supplementary fuse s are required for each heater circuit. Thes e fuses ar e included in access ory S ingle Po int B oxes, with power distribut ion and fuse blocks. The single point box will be i nstall ed direc tly under th[...]

23 C08199 Fig. 33 - - Premie rLink Controller PR EMIERLINK T CONTROL The Premier Link contr oller (see F ig. 33 ) is co mpatible with Car rier Comf ort Netw ork r (C CN) devices . This contro l is designed to allow us ers the access and ability to change fact ory - - define d setti ngs, thus expa nding the function of t he standa rd unit c ontrol b[...]

24 24 C08249 Fig. 35 - - PremierLin k W iring Sch ematic 50TC[...]

25 T ab le 5 – Th ermist or Res ista nce vs T emperat ur e V al ues for Spa ce T e mpe r ature Se nsor , Supply Ai r T emp eratu re S ens or , and Outd oor Air T emperat ur e Senso r TEMP (C) TEMP (F) RESISTANCE (Ohms) --- 4 0 --- 4 0 335,651 --- 3 5 --- 3 1 242,195 --- 3 0 --- 2 2 176,683 --- 2 5 --- 1 3 130,243 --- 2 0 --- 4 96,974 --- 1 5 5 72[...]

26 T ab le 6 – PremierL ink S ens or Usa ge APPLICATION OUTDOOR A IR TEMPERA TURE SENSOR RETURN AIR TEMPERA TURE SENSOR OUTDOOR A IR ENTHA LPY SENSOR RETURN AIR ENTHA LPY SENSOR Differential D ry Bu lb Te m p e r a t u r e w i t h Pre mierL ink (P remie rL ink r e q u i r e s 4 --- 2 0 m A Actuator) I n c l u d e d --- CRTEMP SN001A00 R e q u i r[...]

27 T abl e 7 – Space Se nsor M ode TB1 TERMI NAL FIE LD C ONNE C T ION INPUT SIGNAL 1 T 5 5 --- S E N / T 5 6 --- S E N An alog (10k thermistor) 2 RMTOCC Discrete, 24V AC 3 T 5 5 --- S E N / T 5 6 --- S E N An alog (10k thermistor) 4 CMP SAF E Discrete, 24V AC 5 T 5 6 --- S E T Analog (10k th ermistor) 6 FSD Discrete, 24V AC 7 L OOP - - - PWR Ana[...]

28 Connect T - - 56 - - See Fig. 38 for T- - 56 interna l connec tions. Insta ll a j umper betwee n SEN and SET terminals as illustrated. C onnect T - - 56 terminals to TB1 terminals 1 , 3 and 5 (see Fig . 39). 2 3 45 6 1 SW1 SEN SET Cool Warm BRN (GND) BLU (SPT) RED(+) WHT(GND) BLK(-) CCN COM SENSOR WIRING JUMPER TERMINALS AS SHOWN BLK (T56) C0820[...]

29 The enthalpy control receive s the outdoor ai r enthalpy from the out door air e nthalpy sensor a nd provides a dry contac t switch i nput to the PremierL ink control ler . A closed co ntact indicates th at outsid e air is preferr ed to the return air . An open co ntact indicates th at the economizer should remain at minimum position. Differenti[...]

30 SEN J5-5 J5-6 COM 9 7 TB1 TB1 IAQ Sensor PL 24 V AC C08274 Fig. 44 - - Indoor C O2 Sensor (33ZCS ENCO2) Conn ec- tions Refer t o Form 33CS- - 58SI, PremierLi nk Install ation, Start - - up, and Configurat ion Instruct ions, for deta ile d configurat ion inform ation Outdoor Air Q uality Sensor (PN O 33ZCSENCO2 plus weathe rproof enclosure) — T[...]

31 sequence will preve nt (or i nterrupt) ope rati on of uni t cooling, heat ing and economiz er functi ons unt il the pressure switch conta cts are closed i ndica ting proper supply fan opera tion. Install the di fferential pre ssure s witc h in the supply fan section acco rding to s witch manu facturer’ s instru ctions . Arrange the switch c on[...]

32 (typically WH T) to the unit’ s TB1- - 14 terminal. Co nnect the CCN (- - ) lead (typically BLK ) to the unit’ s TB1- - 16 terminal. S ee Fig. 5 1. CCN Bus J2-1 J2-2 GND (W H T) 12 14 TB1 J2-3 – (BLK) 16 TB1 TB1 PL + (RED) C08276 Fig. 51 - - PremierLin k CC N Bus C onn ection s ECONO MIZER SYS TEMS The 50T C units may be e quipped with a f[...]

33 4 3 5 2 8 6 7 1 10 11 9 12 PINK VIOLET BLACK BLUE YELLOW NOTE 1 NOTE 3 RUN 500 OHM RESISTOR 50HJ540573 ACTUA TOR ASSEMBL Y RED WHITE ECONOMISER2 PLUG DIRECT DRIVE ACTUA TOR 4-20mA SIGNAL OA T SENSOR 4-20 mA TO J9 ON PremierLink BOARD 24 V AC TRANSFORMER GROUND NO TES: 1. Switch on actuator must be in run position for economizer to operate. 2. Pr[...]

34 C06053 Fig. 56 - - EconoMi $er IV Functional V ie w EconoMi$er IV T able 11 provides a summary of E conomi zer IV . Troubleshooting instruc tions a re e nclosed. A functiona l vie w of the EconoMi$e r is shown in 56. T ypica l sett ings, sensor ranges, a nd jumpe r positions are also shown. An EconoMi$er IV simulator progra m is avail able from [...]

35 and D. See Fig. 59 for the corresponding tempe rature change over value s. C06034 Fig. 58 - - EconoMi$e r IV Controller Potentiome ter and LED Locations LED ON LED ON LED ON LED ON LED OFF 19 18 LED OFF LED OFF LED OFF 17 16 15 14 13 12 11 10 9 40 45 50 55 60 65 70 75 80 85 90 95 100 DEGREES F AHRENHEIT mA D C B A C06035 Fig. 59 - - Outside Air [...]

36 CONTROL CURVE A B C D CONTROL POINT APPROX. deg. F (deg. C) AT 50% RH 73 (23) 70 (21) 67 (19) 63 (17) 1 2 1 4 1 6 1 8 2 0 2 2 2 4 26 28 30 32 3 4 3 6 3 8 40 42 4 4 46 9 0 1 0 0 80 70 6 0 50 4 0 30 20 1 0 ENTHALPY BTU PER POUND DRY AIR 85 (29) 90 (32) 95 (35) 100 (38) 105 (41) 11 0 (43) 35 (2) 35 (2) 40 (4) 40 (4) 105 (41) 11 0 (43) 45 (7) 45 (7)[...]

37 0 1000 2000 3000 4000 5000 6000 2345678 800 ppm 900 ppm 1000 ppm 1100 ppm RANGE CONFIGURA TION (ppm) DAMPER VOL T AGE FOR MAX VENTILA TION RA TE CO SENSOR MAX RANGE SETTING 2 C06039 Fig. 64 - - CO2 Sens or Maxi mum Ran ge Settings If a separ ate field-s upplied tran sfor mer is us ed to power the IAQ sensor , t he sensor must not be grounded or [...]

38 timeclock fun ction in place of the jumper betw een TR and N. (See Fig. 52.) When the t imec lock cont acts are cl osed, the Ec onoMi$er IV control will be in occupied mode. When the tim ecl ock cont acts are open (removing the 24 - - v signal from term inal N), the E conoMi$er IV will be in unoccupi ed mode. Dem and Control V e nti la ti on (DC[...]

39 5. Press Mode to move through the va riabl es. 6. Pres s Enter to lock in the selection , then press M ode to continu e to the next variable. Deh umid ificatio n of Fr esh Air wit h DCV ( Deman d Con tr olled V en tilatio n) Con tr ol If normal rooftop heating and cooli ng operat ion is not adequa te for the out door humidit y leve l, an e nergy[...]

40 2. S et the E nthal py pote ntiom ete r to A. The Free Cool LED turns on. T he ac tuator should dri ve to bet ween 20 and 80% open. 3. Remove t he 5.6 ki lo - - ohm resistor and jumpe r T to T1. T he ac tuator should dri ve full y open. 4. Remove the j umper ac ross T a nd T1. The actua tor should drive full y closed. 5. Return EconoMi$er IV set[...]

41 4. V eri fy the fol lowing condit ions: a. Make sure that conde nser - - fan blade a re correct ly positioned i n fan orifi ce. See Condenser - - Fan Adju stment s ection on page 1 1 for mor e details. b. Make su re that air filter(s ) is in place. c. Make su re that condens ate drain trap is filled with water t o ensure proper dra inage . d. Ma[...]

42 Use the Ca rrier net work c ommunic ati on software t o start up and configure the Prem ierL ink control ler . Changes c an be m ade using t he ComfortW ORKS r software, ComfortVIEW t software, Network Servic e T ool, System Pil ot t devic e, or T ouch Pilot t de vice. T he System Pilot a nd T ouch Pil ot are portable inte rface devices that all[...]

43 outdoor - - a ir dampers closed to maintain t he proper supply- - air te mpera ture. HEA TING, UNIT S WIT H ECONOMI $E R IV — Whe n the roo m temp erature calls for heat, the heatin g co ntrols are e nergized as describe d in the Heating, Units W it hout Economi zer sec tion. ECONOMI ZE R I N OCCUPIE D MODE — The econo mizer logic w ill be e[...]

44 Heating m ay also be ener gized w hen an IA Q s enso r install ed and ha s overridden the mini mum e conomiz er damper posit ion. If t he OA T < 55 _ F and an IA Q s ensor is installed an d the IAQ minimum po sition > minimum damper po sition cau sing the S A T to decrease below the SPT - - 1 0 _ F , then the heat stages w ill be cycled to[...]

45 S Whene ver the Supply Fan Rela y point is forced On i n the ST A TUS01 points displa y tabl e The fan will also contin ue to run as long as compres sor s are on when transitioni ng from occupied t o unoccupie d with the e xcept ion of Fire Shutdown mode . If the Fire Shutdown input point i s closed or forced in the ST A TUS01 points displa y ta[...]

46 return to normal when the indoor re lati ve humidit y drops 3% below the acti ve humidi ty setpoint. Economi zer — T he ec onomize r dampe rs are used to provide free cooling a nd i ndoor air quality if optional CO2 sensor is installed a nd when t he outside conditi ons are su itable. T emperatur e contro l is accomplis hed by contro lling the[...]

47 of f. Heat stag ing will res ume after a delay to allow the supply- - air te mpera ture t o drop below the SA THI value. The m axim um numbe r of sta ges ava ilabl e i s depende nt on the type of heat a nd the number of s ta ges programmed in the CON FIG an d SER VICE config uration tables. Staging will occur as follo ws fo r gas electric units,[...]

48 equal t o OCSP and Ent halpy = Low then PURG EMP = 100%. S If the OA T < NTLO then PURG EMP = L TMP (Low T emperatur e Minimum Pos ition - - defau lts to 10%) S If the OA T > 65 _ Fo r( O A T ≥ NTLO and O A T > OCS P) or Entha lpy = High the n PURGEMP = HTMP (High T emperatur e Minimum P osition d efaults to 35 %). The L TMP and HTMP [...]

49 Once Lin kage is active, the PremierLin k contro ller ’ s own SPT , tempera ture setpoi nts, and oc cupanc y are ignored and the c ontroll er will use the i nformat ion provided by the remote link age device. The f ollowin g info rmation w ill be received fr om the remote linked device and can be viewed in the maintenan ce display table: S Sup[...]

50 T abl e 16 – T orque V a lue s Suppl y fan mot or mo untin g 1 2 0 + / --- 1 2 i n --- l b s Sup ply f an motor adj ustmen t pla te 1 2 0 + / --- 1 2 i n --- l b s Motor p ulle y setscr ew 7 2 + / --- 5 i n --- l b s Fan pu lley setscr ew 7 2 + / --- 5 i n --- l b s Blower wheel hu b setscrew 7 2 + / --- 5 i n --- l b s Bea rin g lockin g coll[...]

51 C08002 Fig. 66 - - 50TC Unit Wiring Diagram - - Control (A06) 50TC[...]

52 APP ENDIX I. MODEL NUMBER SIGNIFICANCE Mo del Num ber N ome ncla tur e 123456789 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 5 0 T C -- A 0 6 A 0 A 5 A 0 A 0 A 0 ____ ____ ____ Unit Heat T ype Brand / P a ck aging 50 = Elec heat p kg r ooftop 0=S t a n d a r d 1=L T L Tier / Model TC = Entry tier (wit h Puron) El ec tri ca l Opti on s Heat Si ze A=N o n[...]

53 APP ENDIX II . PHYSICAL DA T A Physical Data (Cooling) 3 - - 6 TONS 50TC**04 50TC**05 50TC**06 50TC**07 Refr igera tion System #C i r c u i t s/#C o m p ./T y p e 1/1/S c r o l l 1/1/S c r o l l 1/1/ S c r o l l 1/1/ S c r o l l Puron (R - - - 410a) charg e A/B (lbs) 5.6 8.5 10.7 14.1 Oil A /B (oz ) 25 42 42 56 Met ering D evice Acutrol Acutrol [...]

54 APP ENDIX III. F AN P ERFO RMANCE Gen eral Fan Perfo rman ce Notes : 1. Interpola tion i s permissible. Do not ext rapolat e. 2. External stat ic pressure is the static pre ssure dif ferenc e betwee n the re turn duct and the supply duct pl us the stat ic pres sur e caused by an y FIO Ps or acces so ries. 3. T a bular data accounts for pre ss ur[...]

55 APP ENDIX III. F AN P ERFO RMANCE (cont . ) 50TC**04 1 Phase 3 T on Horizont al Supply CFM A V A I L A B L EE X T E R N A LS T A T I CP R E S S U R E( I N .W G ) 0.2 0.4 0. 6 0.8 1.0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BH P F i e l dS u p p l i e dD r i v e 1 Standard Static Option Medium St atic Op tio n 900 554 0.14 681 0.22 783 0.32 870 0.42 [...]

56 APP ENDIX III. F AN P ERFO RMANCE (cont . ) 50TC**04 3 Phase 3 T on Horizont al Supply CFM A V A I L A B L EE X T E R N A LS T A T I CP R E S S U R E( I N .W G ) 0.2 0.4 0. 6 0.8 1.0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BH P F i e l dS u p p l i e dD r i v e 1 Standard Static Option Medium St atic Op tio n 900 554 0.14 681 0.22 783 0.32 870 0.42 [...]

57 APP ENDIX III. F AN P ERFO RMANCE (cont . ) 50TC**05 1 Phase 4 T on Horizont al Supply CFM A V A I L A B L EE X T E R N A LS T A T I CP R E S S U R E( I N .W G ) 0.2 0.4 0. 6 0.8 1.0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BH P Standard Static Option Medium St atic Op tio n 1200 643 0.23 762 0.35 860 0.46 944 0.58 1020 0.71 1300 674 0.28 791 0.40 88[...]

58 APP ENDIX III. F AN P ERFO RMANCE (cont . ) 50TC**05 3 Phase 4 T on Horizont al Supply CFM A V A I L A B L EE X T E R N A LS T A T I CP R E S S U R E( I N .W G ) 0.2 0.4 0. 6 0.8 1.0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BH P Standard Static Option Medium St atic Op tio n 1200 643 0.23 762 0.35 860 0.46 944 0.58 1020 0.71 1300 674 0.28 791 0.40 88[...]

59 APP ENDIX III. F AN P ERFO RMANCE (cont . ) 50TC**06 1 Phase 5 T on Horizont al Supply CFM A V A I L A B L EE X T E R N A LS T A T I CP R E S S U R E( I N .W G ) 0.2 0.4 0. 6 0.8 1.0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BH P F i e l dS u p p l i e dD r i v e 1 Standard Static Option 1500 724 0.33 837 0.45 937 0.59 1028 0.74 1111 0.91 1625 765 0.4[...]

60 APP ENDIX III. F AN P ERFO RMANCE (cont . ) 50TC**06 3 Phase 5 T on Horizont al Supply CFM A V A I L A B L EE X T E R N A LS T A T I CP R E S S U R E( I N .W G ) 0.2 0.4 0. 6 0.8 1.0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BH P F i e l dS u p p l i e dD r i v e 1 Standard Static Option 1500 724 0.33 837 0.45 937 0.59 1028 0.74 1111 0.91 1625 765 0.4[...]

61 APP ENDIX III. F AN P ERFO RMANCE (cont . ) 50TC**07 3 Phase 6 T on Horizont al Supply CFM A V A I L A B L EE X T E R N A LS T A T I CP R E S S U R E( I N .W G ) 0.2 0. 4 0.6 0.8 1.0 RPM BHP RPM BHP RPM BHP RPM BHP RPM BH P F i e l dS u p p l i e dD r i v e 1 Standard Static Option 1800 822 0. 51 927 0.66 1018 0.82 1100 0.98 1174 1.15 1950 872 0[...]

62 APP ENDIX III. F AN P ERFO RMANCE (cont . ) Pulle y Adjus tme nt UNI T MOTOR/DRIVE COMB O MOTOR PULLEY TUR NS OPEN 0.0 0.5 1. 0 1.5 2.0 2. 5 3. 0 3.5 4. 0 4.5 5. 0 04 1p h a s e Stand ar d Static 854 825 795 766 736 707 678 648 619 589 560 Mediu m Static 1175 1135 1094 1054 1013 973 932 892 851 811 770 High Stat ic --- --- --- --- --- --- --- --[...]

63 APP ENDIX IV . ELECTRICAL DA T A 50TC**04 3 TONS V --- P h --- H z VOL TAGE RANGE COMP ( ea) OF M (ea) IFM RLA LRA WAT TS FLA TYPE Max WAT TS Max AMP Draw EF F at Full L oad FLA MIN MAX 2 0 8 --- 1 --- 6 0 187 253 16.6 79 325 1.5 Std Static 1000 5.1 70% 4.9 Med Static 1000 5.1 70% 4.9 2 3 0 --- 1 --- 6 0 187 253 16.6 79 325 1.5 Std Static 1000 5[...]

64 APP ENDIX IV . ELECTRICAL DA T A (co nt. ) 50TC**06 5 TONS V --- P h --- H z VOL TAGE RANGE COMP ( ea) OF M (ea) IFM RLA LRA WAT TS FLA TYPE Max WAT TS Max AMP Draw EF F at Full L oad FLA MIN MAX 2 0 8 --- 1 --- 6 0 187 253 26.2 134 325 1.5 Std Static 1000 5.1 70% 4.9 Med Static 1850 7.4 78% 7.0 2 3 0 --- 1 --- 6 0 187 253 26.2 134 325 1.5 Std S[...]

65 APP ENDIX IV . ELECTRICAL DA T A (co nt. ) MC A/MOC P DETERM INA TION NO C.O. OR UNPWR D C.O. UNIT N O M . V --- P H --- H Z IFM TYPE ELECT RIC HEATER NO C.O . or UNPWR C.O. Nom (kW) FLA NO P .E. w/ P .E. (p wrd fr/un it) MCA MO C P DISC. SIZ E MCA MO C P DISC. SIZ E FLA LRA FLA LRA 50TC* *04 208/230 - - - 1 - - - 60 STD None None 27.2 40 26 95 [...]

66 APP ENDIX IV . ELECTRICAL DA T A (co nt) MC A/MOC P DETERM INA TION NO C.O. OR UNPW RD C.O. (c ont) UNIT N O M . V --- P H --- H Z IFM TYPE ELECT RIC HEATER NO C.O . or UNPWR C.O. Nom (kW) FLA NO P .E. w/ P .E. (pwrd fr/unit) MCA MO C P DISC. SIZ E MCA MO C P DISC. SIZ E FLA LRA FLA LRA 50TC* *05 208/230 - - - 1 - - - 60 STD None None 33.7 50 32[...]

67 APP ENDIX IV . ELECTRICAL DA T A (co nt) MC A/MOC P DETERM INA TION NO C.O. OR UNPW RD C.O. (c ont) UNIT N O M . V --- P H --- H Z IFM TYPE ELECT RIC HEATER NO C.O . or UNPWR C.O. Nom (kW) FLA NO P .E. w/ P .E. (pwrd fr/unit) MCA MO C P DISC. SIZ E MCA MO C P DISC. SIZ E FLA LRA FLA LRA 50TC* *06 208/230 - - - 1 - - - 60 STD None None 39.2 60 37[...]

68 APP ENDIX IV . ELECTRICAL DA T A (co nt) MC A/MOC P DETERM INA TION NO C.O. OR UNPW RD C.O. (c ont) UNIT N O M . V --- P H --- H Z IFM TYPE ELECT RIC HEATER NO C.O . or UNPWR C.O. Nom (kW) FLA NO P .E. w/ P .E. (pwrd fr/unit) MCA MO C P DISC. SIZ E MCA MO C P DISC. SIZ E FLA LRA FLA LRA 50TC* *07 208/230 - - - 3 - - - 60 STD None None 30.5 45 30[...]

69 APP ENDIX V . WIRING DIAGRAM LIST Wir ing Diagrams 50TC DRAWING NU MBER. REV Size Vo l t a g e CON TR OL PO WER A04 208/230 - - - 1 - - - 60 48TM 500212.04 48TM500211.08 208/230 - - - 3 - - - 60 48TM 500212.04 48TM500214.07 460 - - - 3 - - - 60 48T M500212.04 48TM 500214.07 575 - - - 3 - - - 60 48T M500212.04 48TM 500214.07 A05 208/230 - - - 1 -[...]

70 APP ENDIX VI. MOT ORMASTER SENS OR LOCA TIONS C08259 Fig. 67 - - 50TC*A04 Outdoor Circuiting C08260 Fig. 68 - - 50TC*A05/06 Outdoor Circuiting C08261 Fig. 69 - - 50TC*A07 Outdoor Circuiting C08262 Fig. 70 - - 50TC*A08 Outdoor Circuiting 50TC[...]

71 APP ENDIX VI. (cont) MOT ORMASTER S ENSOR LOCA TIONS C08263 Fig. 71 - - 50TC*A09/12 Outdoor Circuiting 50TC[...]

72 Copyright 2008 Carrier Corp. S 7310 W . Morris St. S I ndianapolis, IN 46231 Print ed in U.S.A. Edition Date: 05/ 08 Manufacturer reser ves the right to change , at any time, specifications and d esigns without notice and without oblig ations. Catal og No : 50TC - - - 1SM Replaces : NEW 50TC[...]

73 ST AR T -UP CHECKLI ST ST AR T -UP CHE CKLI ST (Re move and Stor e in Job File) I. PRELI MINAR Y INFOR MA T IO N MODEL NO. : SERI AL NO.: DA T E : TE CHNIC IAN: II. PRE-S T AR T -UP (in sert check mark i n bo x as each item is comp leted ) j VERI FY THA T JOBSI TE VOL T AGE AGR EE S WI TH VOL T AGE L ISTE D ON RA TING PL A TE j VERI FY THA T AL [...]