Carrier 48TCA04---A12 manuel d'utilisation

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Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

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Tout d'abord, le manuel d’utilisation Carrier 48TCA04---A12 devrait contenir:
- informations sur les caractéristiques techniques du dispositif Carrier 48TCA04---A12
- nom du fabricant et année de fabrication Carrier 48TCA04---A12
- instructions d'utilisation, de réglage et d’entretien de l'équipement Carrier 48TCA04---A12
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Carrier 48TCA04---A12 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Carrier 48TCA04---A12 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Carrier en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Carrier 48TCA04---A12, comme c’est le cas pour la version papier.

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Carrier 48TCA04---A12, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Carrier 48TCA04---A12. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    48TCA04 - - - A12 Nomina l 3 to 10 T ons Wi t h Pu ro n ® (R - - - 410A) 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 CT ION 4 .............. COOLI NG 5 .................................... PURON R (R - [...]

  • Page 2

    2 FIRE, EXPL OSIO N HAZ ARD Failure t o follow thi s warning could re sult in personal inj ury , dea th and/or prope rty dam age. Refer to the User ’ s Informa tion Manual provi ded with this un it for more details. Do not s tore or use gasoline or ot her flam mable vapor s and liqu ids in the vicinity o f this or any o ther applian ce. What to d[...]

  • Page 3

    3 Quarterl y Inspection (and 30 days after i nitial star t) S Return air f ilter replacement S Outdoor hood inlet filters cleaned S Belt tens ion checked S Belt cond ition checked S Pu lley alignment checked S Fan shaft bea ring locki ng coll ar ti ghtness chec ked S Condenser c oil c lea nline ss checke d S Condensate drain c hecke d Seasonal Main[...]

  • Page 4

    4 C07156 Fig. 4 - - Screens Installed on Outdoor - - Air Hood (Sizes 7 - - 1/ 2 to 12- - 1/2 T ons Sh own) T o remov e the screen, loos en the screws in the top retainer and slip th e retainer up un til the filter can be removed . Re- - install by placin g the frame in its track, rotating the retainer back d own an d tighten all screw s. SUPP L Y F[...]

  • Page 5

    5 T o chan ge fan speed : 1. Shut off unit power supply . 2. Loosen bel t by loosening fa n motor mounting nuts. (See Fig. 5.) 3. Loosen movable pul ley fla nge setscrew . (See Fig. 6.) 4. Screw movable flange toward fixe d flange to incr ease sp eed and aw ay from fixed f lange to d ecrease speed . Increas ing fan speed in creases lo ad on motor .[...]

  • Page 6

    6 life of th e coil and ex tend the life of the unit. The following ma inte nance and clea ning procedure s are recommend ed as part of the rou tine maintenance activities to extend the life of the coil. Remove Surface Loaded Fib ers Surface loa ded fibe rs or dirt should be re moved with a vacuu m cleaner . If a vacuum clean er is n ot available, [...]

  • Page 7

    7 6. Use a water hose or other suitable equipm ent to flush down between the 2 c oil sec tions to rem ove dirt and debris . Clean the o uter s urfaces with a stif f brush in the normal m anner . 7. Secure inne r and oute r coil rows toget her with a field- - s upplied fas tener . 8. Repos ition the outer coil s ection and remov e the coil corn er p[...]

  • Page 8

    8 (S ee Fig. 1 1.) This check valve is permanently as sembled into thi s core body and c annot be serviced separate ly; replace the entire core body if necessary . Service tools a re available fr om RCD that allo w the replacement of the chec k valve c ore without having t o recover the entire system refrigera nt charge. Apply compressor refrigeran[...]

  • Page 9

    9 SIZE DESIG NATION NOM INA L TO NS REFEREN CE A04 3 A05 4 A06 5 A07 6 A08 7.5 A09 8.5 A12 10 EXA MP LE: Model 48TC*A04 Outdoor T emper ature 85 _ F( 2 9 _ C) .................. Suction Pressure 140 psig (965 kPa) ................. Suction T em perat ure should be 60 _ F( 1 6 _ C) .......... COOLING C HARGING CHAR TS C08203 Fig. 12 - - Cooling Char[...]

  • Page 10

    10 COOLIN G CHARGING CHAR TS (cont.) C08204 C08228 Fig. 12 (cont.) - - Cooling Charging Charts 48TC[...]

  • Page 11

    11 COOLIN G CHARGING CHAR TS (cont.) C08229 C08437 Fig. 12 (cont.) - - Cooling Charging Charts 48TC[...]

  • Page 12

    12 COOLIN G CHARGING CHAR TS (cont.) C08438 C08439 Fig. 12 (cont.) - - Cooling Charging Charts 48TC[...]

  • Page 13

    13 T able 1 – Coo ling Serv ice Analy sis PROBLEM CAUSE REMED Y Compressor a nd Conden ser Fa n W i ll Not S ta r t . Pow er f a i lu re . Cal l power c ompany . F use blo wn or c irc uit breaker t ri pped. Replace fuse or reset circui t breaker . Defectiv e the rmostat, con tactor , tran sfor mer , or control r elay . Repl ace c ompo nent. Ins u[...]

  • Page 14

    14 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. Thi s oil is e xtrem ely hygroscopic, me aning it absorbs water[...]

  • Page 15

    15 breake r requirem ents and disconnect switch size and loca tion. Route 125- - v power s upply c onductors into the bottom of the u tility box containing th e duplex r eceptacle. Unit - - powe red t ype: A unit - - mounted transforme r is fact ory- - installe d to stepdown the main power supply voltage to the unit to 1 15 - - v a t the duplex rec[...]

  • Page 16

    16 Duct smoke sensor control ler Fast ener (2X) Cont roll er cov er Conduit nuts (sup pli ed by in stall er) Cond uit supp ort pl ate Cover ga sket (ordering option) Cond uit coup lin gs (sup pli ed by in stall er) T erminal bl ock cover Contr oll er hous ing and ele ctronics Alarm Power Te s t / r e s e t switch Tro u bl e C08208 Fig. 16 - - Co nt[...]

  • Page 17

    17 Return Air without Econom ize r — The sam pling tube is locat ed ac ross the return air ope ning on the unit ba sepan. See Fig. 19. The hole s in the sampling tube face dow nwar d, into the retu rn air s tream. The s ampling tube is connec ted via tubi ng to the ret urn ai r sensor t hat i s mounted on a bracket high on the partition bet ween [...]

  • Page 18

    18 A E F C D B C08246 Fig. 23 - - T ypical S mok e Detect or Sys tem W iring Highlight C: 24 - - v pow er signal via ORN le ad i s removed at Smoke Dete ctor input on L CTB; all unit operat ions cease immedi ately . PremierL ink and R TU - - M P Controls: Unit operat ing functions (fan, cool ing and hea ting) are te rmina ted as described above . I[...]

  • Page 19

    19 OP ERA TIO NAL TEST H AZARD Failure to fol low t his caut ion may result i n personnel and aut hority conc ern. This test places the duct detector into the alarm state. Dis connect all au xiliary equ ipment fr om the contro ller before performi ng the test. If the duc t dete ctor is connec ted to a fi re al arm system , notify the proper author [...]

  • Page 20

    20 SD- - T RK4 Re mo te Al ar m T e st Proc e dur e 1. Tur n the key switch to the RESET/TES T pos ition for seven seconds. 2. V erify th at the tes t/reset statio n’ s Alar m LED tur ns on. 3. Reset the sensor by turning the ke y switch to t he RESET/TES T position for two seconds . 4. V erify th at the tes t/reset statio n’ s Alar m LED tur n[...]

  • Page 21

    21 LED on both the sensor and t he cont rolle r are on a nd a ll other L EDs are of f. Alarm State The smoke dete ctor ent ers the ala rm s tat e when t he amount of smoke parti cula te in the sensor ’ s sensing chamber exceeds the alarm thr eshold value. (S ee T able 3.) Upo n entering th e alarm state: S The sens or ’ s Alarm LED and the cont[...]

  • Page 22

    22 Con troller’ s Power LED is Off 1. Make sure the circ uit supplying power to t he control - ler is opera tiona l. If not , ma ke sure JP2 and JP3 are set correc tly on t he cont roller before appl ying power . 2. V erify tha t power is appl ied t o the c ontrolle r ’s supply input te rmina ls. If power is not present, repla ce or re- pair wi[...]

  • Page 23

    23 Limit Switch and Shield C08284 Fig. 28 - - Limi t Switch Location Fue l T ype s and Pr essur es Natural Gas — The 48TC unit is fac tory - - e quipped for us e with Natural Gas fuel at e levat ion under 2000 ft (610 m). See sectio n Orif ice Replacement for informatio n in modifying t his unit for i nstall ation a t el evat ions above 2000 ft ([...]

  • Page 24

    24 This switch al so prevents opera tion whe n the propa ne ta nk level is low w hich can result in gas w ith a high concentr ation of impurities , add itives, and resid ues that have settled to the bottom of t he tank. Operation under these co ndition s can caus e harm to the heat exchang er sys tem. Contact your fuel supplier if this condition is[...]

  • Page 25

    25 Bu rn ers an d I gn iters EQUIP M ENT DAM AGE H AZARD Failur e to follow th is caution may resu lt in equip ment damage. When working on ga s tra in, do not hit or plug orifice spuds. CAUTION ! Main Bu rners T o access bu rners , remove bur ner acces s panel and slid e out bu rner partitio n. At the beg inning of each heating seas on, inspect fo[...]

  • Page 26

    26 1. Remove m anifol d pressure tap pl ug from ma nifold and connec t pressure gauge or manomet er . (See Fig. 33.) 2. Turn on elect rical supply . 3. Turn on unit main ga s valve. 4. Set room th ermostat to call for heat. If u nit has two- - stag e gas valve, verif y high- - stage heat operatio n be- fore attemptin g to adjus t manifold pres sur [...]

  • Page 27

    27 125,000/90,000 BTUH INPUT 180,000/120,000 BTUH INPUT 240,000/180,000 BTUH INPUT 250,000/200,000 BTUH INPUT C08447 Fig. 36 - - Spark Adjus tment (08 - - 12) T abl e 8 – LED Error Co de Desc r ipti on* LED INDICATION ERROR COD E DESCRI PTIO N ON Normal Operation OFF Hardware F ailure 1F l a s h { Evap orator F an O n/Off Delay Modified 2F l a s [...]

  • Page 28

    28 Single Stage 2 Stage C08210 Fig. 37 - - Gas V alve s Red LED-Status C08452 Fig. 38 - - Integrated G as Contr ol (IGC) Boar d 48TC[...]

  • Page 29

    29 T abl e 9 – IG C Connec ti ons TERMIN AL LABEL POINT D ESC RIP TION SENSOR LOCATION TYPE OF I/O CON NE CTI ON PIN N UMB ER INPU TS RT , C In pu t pow er f rom T R AN 1 control box 24 VAC — SS Speed sensor gas sect ion analo g input J1, 1- 3 FS, T1 Fla me se nso r gas sect ion switch input — W Heat stage 1 LCTB 24 VAC J2 , 2 RS Rollout sw i[...]

  • Page 30

    30 T abl e 11 – Altit ude Compe nsat io n* (A04 - - A0 7) ELEV ATION ft (m) 72,000 BTUH Nomina l 115,000 BTUH Nomina l 150,000 BTUH Nomina l NG Orifice Size LP Orifice Size NG Orifice Size LP Orifice Size NG Orifice Size LP Orifice Size 0 - - - 2000 (610) 33 1 51 4 33 1 50 3 †3 0 46 3 2000 (610) 35 1 51 4 35 1 51 4 †30 47 3 3000 (914) 35 1 52[...]

  • Page 31

    31 T able 12 – Altitude Compensation* (A 04 - - A06) - - Low NO x Unit s ELEV ATION ft (m) 60,000, 90,000 BTUH Nominal 120,000 BTUH Nominal NG Orifice Size LP Orifice Size N G Orifice Siz e LP Orifice Size 0 - - - 2000 (610) 38 2 53 4 32 1 50 3 2000 (610) 39 2 54 4 33 1 51 4 3000 (914) †40 54 4 34 1 51 4 4000 (1219) †41 54 4 35 1 51 4 5000 (1[...]

  • Page 32

    32 T abl e 1 3 – He ati ng Se rv ic e Anal ysi s PRO BLE M CA USE REMEDY Burne rs W ill N ot I gni te. Misalig ned spa rk electrodes. Check flam e ignition and sen sor ele ctro de posit ioning. Adj ust as needed . No gas at main burners. Check gas line for air , purge as necessary . After purging gas line of air , allow g as to dissipate for a t [...]

  • Page 33

    33 T able 14 – IGC Board LED Alar m Codes LED FLASH CODE DESCR IPTI ON AC TION TAKEN BY CON TR OL RESET M ETHO D PRO BA BLE CA USE On Normal Op eration — — — Off Hardw are Failure No gas he ati ng. — Loss of pow er to the I GC. Ch eck 5 am p fuse on IGC, power t o unit, 24V circ uit b r e a k e r, t r a n s f o r m e r, a n d w i r i n g [...]

  • Page 34

    34 C08199 Fig. 40 - - Premie rLink Controller PR EMIERLINK T CONTROL The Premier Link contr oller (see F ig. 40 ) 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 - - defined settings, t hus expa nding the function of t he standa rd unit c ontrol bo[...]

  • Page 35

    35 C08248 Fig. 42 - - PremierLin k W iring Sch ematic 48TC[...]

  • Page 36

    36 T able 15 – Thermis tor Resis tance vs T emp eratur e V al ues for Spa ce T empe r ature Se nsor , Supply Air T emperatu re S ens or , and Out door A ir T emperat ur e Senso r TEMP (C) TEMP (F) RE SIST ANCE (Oh ms) --- 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,[...]

  • Page 37

    37 T able 16 – Pr emierLink Sen sor U sage APP LICATION OUTD OOR AIR TEMPERA TURE SEN SOR RETU RN AIR TEMPERA TURE SEN SOR OUTD OOR AIR EN THA LPY SE NSOR RETU RN AIR EN THA LPY SE NSOR Differen tial Dry Bulb Te m p e r a t u r e w i t h PremierLink (PremierL ink requires 4- - -2 0 m A A c t u a t o r ) I n c l u d e d --- CRTE M PSN 001A00 R e q[...]

  • Page 38

    38 T able 18 – Thermostat Mode TB1 TERMINA L F IELD C ONNEC TION INPU T S IGNAL 1 RAT S EN An alog (10k th erm istor) 2 G Discrete, 24VAC 3 RAT S EN An alog (10k th erm istor) 4 Y1 Discrete, 24VAC 5 6 Y2 Discrete, 24VAC 7 L OOP - - - PWR Analog, 24VDC 8 W1 Discrete, 24VAC 9 I A Q --- S E N A n a l o g , 4 --- 2 0 m A 10 W2 Discrete, 24VAC 11 I A [...]

  • Page 39

    39 Premier Link Con figuratio n s creen for Operatin g Mode. Defau lt setting is S enso r Mod e (value 1 ). Change the value t o 0 to reconfigure t he controlle r for Thermostat Mode. When the Premie rLink i s c onfigured for Thermosta t Mode, these funct ions are not avai labl e: Fire Shutdown (FS D), Remote O ccupied (RM TO CC), Co mpres sor Safe[...]

  • Page 40

    40 requirem ents and t ermi nal loc ati ons. See Fig. 50 for typica l CO 2 sensor wiring schemat ic. 8 7 6 5 4 32 1 2 1 HG 24 V AC OR 24 VDC NC ALARM RELA Y CONT ACTS COM NO } 0-10VDC SIG COM (J4-6) 4-20mA (J4-5) + + - + - C07134 Fig. 50 - - Ind oor/ Outdoor Air Quality (CO 2 )S e n s o r (33ZCSENC O2) - - T ypical Wiring Diagram T o accurately mo [...]

  • Page 41

    41 unit shutdown through it s NC conta ct set connec ted to t he unit’ s LCTB input. The FSD func tion is initiated via the smoke detec tor ’ s Alarm NO contact set. T he Premie rLink communi cat es the smoke detec tor ’ s trippe d status to the CCN building cont rol. See Fig. 23 for uni t smoke de tect or wiring. Alarm stat e is reset when t[...]

  • Page 42

    42 At any baud (9600, 19200, 38400 baud), the number of contro llers is limited to 239 devices maximu m. Bus length may not exceed 4000 ft, with no more than 60 total devic es on any 1000 - - ft sect ion. Opti cal ly i solated RS - - 485 repea ters are re quired e very 1000 ft. NOTE : Carrier de vice default is 9600 ba nd. COMMU NICA TION BUS WIRE [...]

  • Page 43

    43 C07129 Fig. 59 - - R TU- - MP Multi - - Protocol Con trol Board 48TC[...]

  • Page 44

    44 44 C08458 Fig. 60 - - RTU- - MP System Contr ol Wiring Diagram 48TC[...]

  • Page 45

    45 T abl e 2 1 – R TU - - MP Co ntrol le r Input s and Output s POI NT N AME BACn et OB JE CT NAME TYPE OF I/O CON NE CTI ON PI N NUMB ERS INPU TS Space T emperatu re Sensor sptsens A I (10K Th ermistor) J 2 0 --- 1 , 2 Supply Air T emperature sa t AI (10K T hermistor) J 2 --- 1 , 2 Loca l Outside Air T emperature Se nsor oatsens A I (10K Th ermi[...]

  • Page 46

    46 connec ts to the R TU - - M P must be routed through the raceway b uilt into the corner po st as show n in Fig. 34. The raceway p rovid es th e UL r equired clearan ce betw een high - - and low - - vol tage wiri ng. Pass the control w ires through the hol e provide d in the corner post, then fe ed the wires thorough the raceway to the R TU- - MP[...]

  • Page 47

    47 return air s ensor is w ired to the enthalpy contr oller (HH57AC077). S ee Fig. 49. T o wire the re turn ai r entha lpy sensor , perform the follow ing: 1. Use a 2 - - conductor , 18 or 20 A W G, twisted pair cable to conne ct the return a ir enthalpy sensor to the enthal- py controll er . 2. A t the e nthal py c ontrol remove the factory - - in[...]

  • Page 48

    48 Alarm stat e is reset when the smoke det ect or alarm conditio n is cleared and r eset at the smoke detecto r in the unit. Conne cting Disc re te Input s Filter Status The filter status acces sor y is a field - - in stalled access ory . This access ory det ects plugge d filters. When installing this access ory , the unit mus t b e configu red fo[...]

  • Page 49

    49 BACnet MS/TP BA Cnet Mas ter Slave/T oken Pas sing (MS /TP) is us ed for communi cat ing BACnet ove r a sub- - network of BACnet - - onl y cont rollers. This i s the de fault Carri er communi cat ions protoc ol. Ea ch R TU - - MP modul e a cts a s an MS /TP Mas ter . The s peed of an MS/TP netw ork can range from 9600 t o 76.8K baud. Physical Ad[...]

  • Page 50

    50 T able 22 – LEDs The LEDs on th e R TU- - M P s how th e status of certain function s If this L ED is on ... Statu s is... Power The R TU MP has p ower Rx The RTU MP is receiving data from the network segment Tx The R TU MP is tran smitting da ta over the n etwork segm ent DO# The digital output is active The Run and Error LEDs indicate contr [...]

  • Page 51

    51 T abl e 2 3 – T rouble shoot ing Al ar ms POINT NAME BAC ne t OBJECT NAM E ACTION T AKEN B Y CON TROL RESET METHOD PROBA BLE CAUSE Saf ety C hain A larm safe ty_ cha in Alarm Generated Immed iate Shut down Automa tic Over load Indoor Fan or El ectric Heater o verheat. Fire Shutdown Alarm fire_alarm Alarm Generated Immed iate Shut down Automa t[...]

  • Page 52

    52 Alarms Alarms can be checked t hrough t he net work a nd/or the local acces s. All th e alarms are lis ted in T able 23 with name , object na me, a ction taken by control , reset method, and pr obable cause. There are help screen s for each alarm on the local acces s disp lay and listed in For m 48- - 50H- - T- - 2T , A ppendi x A: Hel p Screens[...]

  • Page 53

    53 S Max Mas ters : D efines the high est M S/TP M aster MAC address on t his MS/TP net work. For e xampl e, if there a re 3 master nodes on an MS/TP network, and thei r M AC addresses a re 1, 8, a nd 16, then Max Masters would be set to 16 (since this is the highes t MS/TP MA C addres s on the networ k). This prop erty optimizes MS/TP netw ork com[...]

  • Page 54

    54 T abl e 24 – M anuf ac ture Dat e When t roubleshooting, you ma y need t o know a control modul e’ s manufac ture dat e Obta i n the m an u f ac tur e da te f r om a... Note s Mo dule st atus re port (m odst at) T o obtain a modstat with BAC view 6 : 1. Press F uncti on (FN) key and hold. 2. Then p ress period (.) 3. Release both bu ttons. T[...]

  • Page 55

    55 7. V erify proper wiri ng betwee n the BAS and the con- troller . 8. V erify that the BAS is readin g or writin g to the prop er Modbus register num bers on t he c ontrolle r . Download the latest po ints list fo r the controller to v erify . 9. V erify tha t the BAS is sending his requests to t he proper slave a ddress of our controll er . NOTE[...]

  • Page 56

    56 FOR OCCUP ANCY CONTROL REPLACE JUMPER WITH FIELD-SUPPLIED TIME CLOCK LEGEND DCV— Demand Controlled V entilation IAQ — Indoor Ai r Quality LA — Low Ambie nt Lockout Device OA T — Outdoor-A ir T emperature POT — Potentiometer RA T — Retur n-Air T emperature P otenti ometer D efaults Settings: P ower Exhaust Middle Minimum P os. Fully C[...]

  • Page 57

    57 T abl e 2 7 – Eco noM i$ er IV Input/ O utput Lo gic INPU TS OU TP UTS Demand Contro l V entilation (DCV) Ent hal py* Y1 Y2 Compressor NT e r m i n a l † Ou tdoor Retu rn Sta ge 1 Stage 2 Occu pied Unoccupied Damper Below set (D CV LED Off) High (Free Coolin g LE D Off) Low On On On On Minimu m position Closed On Off On Off Off Off Off Off L[...]

  • Page 58

    58 Supply Air T em per ature ( SA T) Sensor The supply a ir tem perat ure sensor is a 3 K the rmistor locat ed at the i nlet of the indoor fan. (See Fig. 75.) This sensor is fact ory installe d. The operat ing range of temperatur e measurement is 0 ° to 158 _ F( - - 1 8 _ to 70 _ C). See T able 15 fo r sen sor temp erature/res istance values . SUP[...]

  • Page 59

    59 provided in t he Ec onoMi$er IV wiring harne ss. (See F ig. 70.) ECONOMI$ERIV ECONOMI$ERIV CONTROLLER GROMMET RETURN AIR SENSOR RETURN DUCT (FIELD-PROVIDED) C07085 Fig. 79 - - Return A ir T e mperature or Enth alpy Sensor Mounting Location In this mode of operation, the outdoor-air tem perat ure is compared to th e return- air temperature and th[...]

  • Page 60

    60 TR1 24 V ac COM TR 24 Va c HOT 12 3 4 5 EF EF1 + _ P1 T1 P T N EXH 2V 10V EXH Set Set 2V 10V 2V 10V DCV DCV Free Cool B C A D SO+ SR+ SR SO AQ1 AQ DCV Min Pos Open Max N1 C06038 Fig. 81 - - EconoMi $er IV Con trol Dif fere nti al E nthal py Cont rol For differential e nthal py control , the EconoMi$e r IV controll er uses t wo entha lpy sensors [...]

  • Page 61

    61 T o determin e the minimum positio n setting , perform the following proce dure: 1. Calcul ate t he appropria te mixed air tempera ture using the foll owing formula : (T Ox OA ) +( T R x RA )= T M 100 100 T O = Outdoor -Air T empe rature OA = Percent of Outdoor Air T R = Return-Air T e mpera ture RA = Percen t of Return Air T M = Mixed -Air T em[...]

  • Page 62

    62 graph with the left side of the chart to determin e that the range confi guration for the CO 2 sensor should be 1800 ppm. The E conoMi$er IV controll er will out put t he 6.7 volts from the CO 2 sensor to the act uator when t he CO 2 conce ntrati on in the spac e is at 1 100 ppm. The DCV setpoint ma y be left at 2 volt s since the CO 2 sensor vo[...]

  • Page 63

    63 Sing le Enthalpy T o chec k single ent halpy: 1. Make sure EconoMi$er IV preparati on procedure has been pe rformed. 2. Set th e enthalp y potentiometer to A (fully C CW). Th e Free Cool LED should be lit. 3. Set the enthalp y potentiometer to D (fully C W). The Free Cool L ED should turn off. 4. Return EconoMi$er IV setti ngs and wiring t o nor[...]

  • Page 64

    64 C08308 Fig. 83 - - 48TC T ypical Unit W iring Diagram - - Power (A06, 208/230 - - 3- - 60) 48TC[...]

  • Page 65

    65 C08317 Fig. 84 - - 48TC Unit Wiring Diagram - - Contr ol (A06) 48TC[...]

  • Page 66

    66 PRE- - ST AR T - - UP PERSO NAL INJ URY HAZARD Failure t o follow thi s warning c ould result i n personal injury or dea th. 1. Follow rec ognize d safe ty prac tice s a nd wear pro- tect ive goggl es when chec king or servi cing re fri- gerant system. 2. Do not operate compre ssor or provi de any e lect ric power to unit unless compressor termi[...]

  • Page 67

    67 direct ion. T o de term ine whet her or not com pressor is rotati ng in the proper dire ction: 1. Connect service ga uges to sucti on and discha rge pres- sur e fittings . 2. Energize the c ompressor . 3. The sucti on pressure should drop and the discharge pressure should rise, a s is normal on a ny start - - up. If the sucti on pressure does no[...]

  • Page 68

    68 ST AR T - - UP , P REMIERLINK CONTROLS ELECTRIC AL OPERA TION HAZARD Failure t o follow thi s warning c ould result i n personal injury or dea th. The unit must be electri cally grounde d in accordance wit h lo ca l c ode s an d NEC ANSI /NFP A 70 (Am e ri ca n Nation al Standards I nstitu te/National Fire Protectio n Association. ) ! W ARNING U[...]

  • Page 69

    69 normall y to ma inta in proper unit opera tion. All norma l cooling alarms an d alerts are functional. NOTE : C ircuit A is alw ays operated with Circuit B due to outdoor fan c ontrol on Circ uit A. Always test Circ uit A firs t, and leave it on to test other C ircuits. The Hea ting submenu i s used to change out put status for the individ ual h[...]

  • Page 70

    70 Inputs NOTE : For instal lati on of inputs and fi eld install ed access ories , refer to th e approp riate sectio ns. Input 3 This input i s a discret e input a nd can be c onfigured t o be one of five different inputs: No Function, Compre ssor Safety , Fan Statu s, Filter Status , or Remote Occu pancy . This input c an al so be configure d to b[...]

  • Page 71

    71 Economize r Economize r Exists This poin t tells the controller if there is an economizer installed o n the unit. Facto ry Defau lt = NO if no econ omizer YES if there is an econ omizer ins talled Economize r Minimum Positi on This defin es the lowes t economizer po sition when the indoor fan is running a nd the bui lding i s occupie d. Facto ry[...]

  • Page 72

    72 During free cool ing operat ion, a supply a ir tem perat ure (SA T ) above 50 _ F wil l ca use t he da mpers to modula te between Minimum Position setpoint and 100% open. With SA T from 50 _ Ft o4 5 _ F , the dampers will main tain at the Minimu m Pos ition setting . W ith SA T below 45 _ F, t h e outside air dam pers will be closed. W hen S A T[...]

  • Page 73

    73 When Y2 is e nergized, the ec onomize r will be m odulat ed to control t o a lower supply air setpoint SASP= SA TLO2 +3 _ F If t he SA T > SASP + 5 _ F it will close the economizer to min imum pos ition for 3 minu tes, reset the integra tor for the economi zer , t hen start m odulat ing the economizer to maintain the SA SP af ter the stage tw[...]

  • Page 74

    74 S If the Premi erLi nk control ler is in t he occ upied m ode and ASHR AE 90.1 Supply Fan is c onfigured for Y e s when Linkage i s active a nd the Linka ge Coordinat or device is sending an oc cupied m ode fla g S When T emperature Comp ensated S tart is active S When Fr ee Cool is active S When Pre - - Occupancy Purge is active S Whenev er the[...]

  • Page 75

    75 When i n the occ upied m ode and the indoor relat ive humidity is greater then the Occup ied High Humid ity setpoint, then the H3_EX_R V output point will be energized. When in the unoc cupie d mode and indoor relative humidity is greater then the U noccupied H igh Humidity set point, t hen the H3_EX_R V output poi nt and supply fan output will [...]

  • Page 76

    76 S SPT reading is ava ila ble a nd < (OHSP + ST O). S If it is unocc upied a nd the SPT < (UHSP - - Unocc upied Heating Dea dband). T he indoor fan wil l be t urn on by the stagin g algorith m. When all of the above cond itions are met, the SHS R is calculated and up to 3 s tages of heat will turned on and of f to satis fy to maintain the S[...]

  • Page 77

    77 S Next Occu pied Time is valid S Time is within 2 hours of next Occupi ed peri od S Time is within Pur ge Duration (us er- - d efined 5 to 60 minutes in th e CON FIG co nfigur ation table) S OA T Reading is available If all of the above conditi ons are met, the economizer damper IQMP is tempora rily ove rridden by t he pre- - occup ancy damper p[...]

  • Page 78

    78 sou rce for a 3V con trol system, th e PremierLink contro ller is not re quired to be on the sam e CCN bus but it is recommend ed. Linkage w ill be active when it is initiated from the Linkage thermostat or the 3V L inkage Coordinator t hrough CCN communi cat ions and requi res no configura tion. Only one devic e ca n be linke d to the Premier L[...]

  • Page 79

    79 control t o the occupi ed hea ting or cooling set points. Scheduling func tions are loc ate d under occupancy determinatio n and the schedul e menu acces sed by the Menu softkey (see Appendix - - for menu struc ture). Y our local time and date s hould be set for these functions to operate prope rly . Five schedul ing functions are availa ble by [...]

  • Page 80

    80 the T56 slid er of fset) . S Sp ace T emperatur e reading is available. S If i t is unocc upied and t he SPT > (unoccupi ed cool setpoint plus the T56 slider of fset). The indoor fan w il l be turned on by the stagi ng algori thm. S If econo mizer is available and active and econ omizer open > 8 5% and S A T > (S A T low limit + 5 _ F) [...]

  • Page 81

    81 If the calculated IA Q minimum positio n is greater than the IAQ maximum damper p osition co nfigur ation then it will be c lam ped to t he confi gured value . Dem and Limit If the R TU- - MP receives a level 1 (one deg ree of fset), 2 (two degree offset), or a 3 (4 degre e offs et) to t he BACnet demand limit variable, the controller w ill expa[...]

  • Page 82

    82 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 4 8 T C D A 0 4 A 1 A 5 -- 0 A 0 A 0 ____ ____ ____ Unit Heat T ype 48 = Gas heat pkg rooftop Brand / P ackag ing 0=S t a n d a r d Tier / Model 1=L T L TC = Ent ry tie r (wit h Puron refri gerant) El ec tri ca l Op tion s A=N o n[...]

  • Page 83

    83 APP ENDIX II. PHYSICAL DA T A Physical Data (Cooling) 3 - - 6 TONS 48TC*A04 48TC*A05 48TC*A06 48TC*A07 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) cha rge A/B (lbs) 5.6 8.5 10.7 14.1 Oil A /B (oz ) 25 42 42 56 Met ering D evice Ac utrol Ac utro[...]

  • Page 84

    84 APP ENDIX II . P HYSICAL DA T A (cont .) Physical Data (Cooling) 7.5 - - 10 TONS 48TC*A08 48TC*A09 48TC*A12 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 Puron (R - - - 410a ) charge A/B (lbs) 13.75 15.25 20.0 Oil A /B (oz ) 6 0 85 110 Met ering D evice Ac utrol Acutrol Acutrol High [...]

  • Page 85

    85 APP ENDIX II . P HYSICAL DA T A (cont .) Phys ical Data (H eatin g) 3 - - 6 TONS 48TC**04 48TC**05 48TC**06 48TC**07 Gas Connect ion #o f G a sV a l v e s 1 1 1 1 Con ne ction size 1/2” NPT 1/2” NPT 1/2” NPT 1/2” NPT Nat. ga s supply line p ress (in. w .g .)/(PSIG) 5 --- 1 3 / 0 . 1 8 --- 0 . 4 7 5 --- 1 3 / 0 . 1 8 --- 0 . 4 7 5 --- 1 3[...]

  • Page 86

    86 APP ENDIX II . P HYSICAL DA T A (cont .) Phys ical Da ta (Heati ng ) 7.5 - - 1 0 TONS 48TC**04 48TC**05 48TC**06 48TC**07 Gas Connect ion #o f G a sV a l v e s 1 1 1 1 Nat. ga s supply line p ress (in. w .g .)/(PSIG) 4 --- 1 3 / 0 . 1 8 --- 0 . 4 7 4 --- 1 3 / 0 . 1 8 --- 0 . 4 7 4 --- 1 3 / 0 . 1 8 --- 0 . 4 7 4 --- 1 3 / 0 . 1 8 --- 0 . 4 7 LP[...]

  • Page 87

    87 APP ENDIX III. F AN PERF ORMANCE Gen eral Fan Perfo rman ce Notes : 1. Interpola tion i s permissible . Do not ext rapola te. 2. External stat ic pressure is the static pre ssure dif fere nce betwee n t he return duc t and t he supply duc t plus the sta tic pres sur e caused by an y FIO Ps or acces sories . 3. T abular data accounts for pre ss u[...]

  • Page 88

    88 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**04 1 P hase 3 T on Horiz ontal 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 d --- S u p p l i e d D r i v e 1 Standar d Static Option Medium St atic Op tio n 900 553 0.14 681 0.22 782 0.32 8[...]

  • Page 89

    89 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**04 3 P hase 3 T on Horiz ontal 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 d --- S u p p l i e d D r i v e 1 Standar d Static Option Medium Stat ic Opt ion 900 553 0.14 681 0.22 782 0.32 87[...]

  • Page 90

    90 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**05 1 P hase 4 T on Horiz ontal 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 a tic O pti on 1200 643 0.23 762 0.34 859 0.46 944 0.58 1020 0.71 1300 675 0.28 790 0.40 [...]

  • Page 91

    91 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**05 3 P hase 4 T on Horiz ontal 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 a tic O pti on 1200 643 0.23 762 0.34 859 0.46 944 0.58 1020 0.71 1300 675 0.28 790 0.40 [...]

  • Page 92

    92 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**06 1 P hase 5 T on Horiz ontal 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 1500 800 0.39 904 0.49 999 0.60 1087 0.72 1169 0.85 1625 849 0.48 947 0.59 [...]

  • Page 93

    93 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**06 3 P hase 5 T on Horiz ontal 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 1500 800 0.39 904 0.49 999 0.60 1087 0.72 1169 0.85 1625 849 0.48 947 0.59 [...]

  • Page 94

    94 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**07 3 P hase 6 T on Horiz ontal 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 d --- S u p p l i e d D r i v e 1 Standar d Static Option Medium St atic Op tio n 1800 913 0.64 1010 0.80 1098 0.9[...]

  • Page 95

    95 APP ENDIX III. F AN PERF ORMANCE ( cont . ) 48TC**08 3 PHASE 7. 5 TON HORIZONT AL SUPPL Y 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 a tic O pti on 2250 505 0.52 586 0.73 657 0.97 722 1.22 782 1.50 2438 533 0.62 610 0.85[...]

  • Page 96

    96 F AN PERFORMANCE (con t.) 48TC**09 3 PHASE 8.5 TON HORIZONT AL SUPPL Y 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 d --- S u p p l i e d D r i v e 1 Standar d Static Option Med ium Stati c Opt ion 2550 497 0.48 579 0.61 651 0.75 717 0.90 777 1.05 [...]

  • Page 97

    97 F AN PERFORMANCE (con t.) 48TC**12 3 PHASE 10 TON HORIZONT AL SUPPL Y 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 d --- S u p p l i e d D r i v e 1 Standar d Static Option Med ium Stati c Opt ion 3000 579 0.70 660 0.89 732 1.09 799 1.29 860 1.50 3[...]

  • Page 98

    98 APP ENDIX III. F AN PERF ORMANCE ( 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 --- --- --- --- --- --- --- ---[...]

  • Page 99

    99 APP ENDIX IV . ELECTRICAL DA T A 48TC**04 3 TONS V --- P h --- H z VOL TAGE CO MP (ea) OFM (ea) IFM RANGE RL A LRA WAT T S FLA TYPE Max WAT TS Max AMP Draw EFF at F ull Load 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[...]

  • Page 100

    100 APP ENDIX IV . ELECTRICAL DA T A (con t. ) 48TC**06 5 TONS V --- P h --- H z VOL TAGE CO MP (ea) OFM (ea) IFM RANGE RL A LRA WAT T S FLA TYPE Max WAT TS Max AMP Draw EFF at F ull Load 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 [...]

  • Page 101

    101 APP ENDIX IV . ELECTRICAL DA T A (con t. ) 48TC**08 7. 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 EFF at Ful l Load FLA MIN MAX 2 0 8 --- 3 --- 6 0 187 253 25.0 164 325 1.5 Std Static 1448 5.5 80% 5.2 Med Static 2278 7.9 81% 7.5 High Stat ic 4559 15.8 81% 15.0 2 3 0 --- 3 ---[...]

  • Page 102

    102 APP ENDIX IV . ELECTRICAL DA T A (con t. ) MC A/MOC P DETERM INA TION NO C.O. OR UNPWR D C.O. UNI T NOM . V --- P h --- H z IFM TYPE COMB USTION FAN MOTOR FLA POWER EXHA UST FLA NO C. O . or UNPWRD C. O . NO P .E. w/ P .E. (pwrd fr / un it) MCA MOCP DISC. SIZE MCA MOCP DISC. SIZE FLA LRA FLA LRA 48TC**04 208/230 - - - 1 - - - 60 STD 0.48 1.9 27[...]

  • Page 103

    103 APP ENDIX IV . ELECTRICAL DA T A (con t. ) MC A/MOC P DETERM INA TION NO C.O. OR UNPWR D C.O. UNI T NOM . V --- P h --- H z IFM TYPE COMB USTION FAN MOTOR FLA POWER EXHA UST FLA NO C. O . or UNPWRD C. O . NO C.O . or UNPWRD C. O. NO P .E. w/ P .E. (pwrd fr / un it) MCA MOCP DISC. SIZE MCA MOCP DISC. SIZE FLA LRA FLA LRA 48TC**08 208/230 - - - 3[...]

  • Page 104

    104 APP ENDIX V . W IRING DIAGRAM LIST Wir ing Diagrams 48TC_A SIZ E VOL T AGE CONT RO L POWER A04 208/230 - - - 1 - - - 60 48TM 500213.04 48TM500749.07 208/230 - - - 3 - - - 60 48TM 500213.04 48TM500748.06 460 - - - 3 - - - 60 48TM 500213.04 48TM500748.06 575 - - - 3 - - - 60 48TM 500213.04 48TM500215.06 A05 208/230 - - - 1 - - - 60 48TM 500213.04[...]

  • Page 105

    105 APP ENDIX VI. MOT ORMASTER S ENSOR LOCA TIONS C08259 Fig. 85 - - 48TC*A04 Outdoor Circuiting C08260 Fig. 86 - - 48TC*A05/06 Outdoor Circuiting C08261 Fig. 87 - - 48TC*A07 Outdoor Circuiting C08262 Fig. 88 - - 48TC*A08 Outdoor Circuiting 48TC[...]

  • Page 106

    106 APP ENDIX VI. (cont. ) MOTORMASTER SENSOR LOCA TIONS C08263 Fig. 89 - - 48TC*A09/12 Outdoor Circuiting Copyright 2008 Carrier Corp. S 7310 W . Morris St. S I ndianapolis, IN 46231 Printed in U .S.A. Edition Date: 08/ 08 Manufacturer reser ves the right to change , at any time, specifications and d esigns without notice and without oblig ations.[...]

  • Page 107

    107 UNIT ST AR T -UP CHECKLIST I. PRE LI MINAR Y INFORMA T ION: MODEL NO.: DA TE: ______________ SERIAL NO: _____________________________________ TECHNI CIAN: ___________________________________ BUILDI NG LO CA TIO N:____________________________ II. PRE -ST AR T -UP (in sert check mark i n b ox as each item is comp leted ): j VERIFY THA T ALL P ACK[...]