Carrier 50TC manual

50TC Si ngle Packa ge Rooftop , 50Hz Coolin g On ly Sizes 07, 08, 09, and 12 with P uron r (R - - - 410A) Refrig erant Installation Instructions NOTE : This manu al discu ss es only the mechanical install ati on of this unit. S tar - - up proc edures, operati ng sequence s and service i nstructi ons are i ncluded in a separate Servi ce/ Mainte nanc[...]

2 ELECTRIC AL SHOCK HAZARD Failure t o follow thi s warning could c ause personal injury or dea th. Before performi ng service or maint enanc e operat ions on unit, a lways turn off main power switch t o unit a nd install l ockout ta g. Unit may have more than one power switch. ! W ARNING UNIT OP ERA TIO N AND SAF ETY H AZARD Failure t o follow thi[...]

3 Horizontal Connections / Economizer V ertical Connections / Economizer C09447 Fig. 1 - - Unit Dimension al Drawing – 07 Size Units 50TC[...]

4 C09448 Fig. 1 - - Unit Dimensional Drawing – 07 Size Unit (cont. ) 50TC[...]

5 Horizontal Connections / Economizer V ertical Connections / Economizer C09450 Fig. 2 - - Unit Dimensional Drawing – 08, 09 and 12 Size Units 50TC[...]

6 C09451 Fig. 2 - - Unit Dimensional Drawing – 08, 09 and 12 Size Units (cont.) INST ALLA TION Jobsite Survey Complete th e follow ing check s bef ore ins tallation. 1. Consult loca l buildi ng codes or t he U.S.A. National Electrical Co de ( Ref: AN SI /NF P A 70, [A merican Nation al Stand ards I nstitu te/National F ire Pr otection As sociatio[...]

7 T abl e 1 – O per at ing Weight s 50TC - - - UN ITS KG ( LB) Com pone nt A07 D08 D09 D12 Base Uni t 275 (607) 340.5 (750) 388.2 (855) 392.7 (865) Economizer Ve r ti c a l 36 (80) 36 (80) 36 (80) 36 (80) Horizo ntal 48 (105) 48 (105) 48 (105) 48 (105) Curb 356 mm/14 - - - in 60 (133) 60 (133) 65 (143) 60 (133) 610 mm/24 - - - in 79 (174) 79 (174[...]

8 CONNECTOR PKG. ACCY. BC D ALT DRAIN HOLE POWER CONTROL ACCESSORY POWER CRBTMPWR003A01 1’-9 11 / 16 ” [551] 1 3 / 4 ” [44.5] 1’-4” [406] CRBTMPWR004A01 3 / 4 ” [19] NPT 1 1 / 4 ” [31.7] 1 / 2 ” [12.7] NPT 1 / 2 ” [12.7] NPT ROOFCURB ACCESSORY A UNIT SIZE CRRFCURB002A01 CRRFCURB001A01 1’-2” [356] 2’-0” [610] 50TC-A07 NOTES[...]

9 50TC-*08 50TC-*08 – – 12 12 UNIT SIZE ROOFCURB ACCESSORY CRRFCURB003A01 CRRFCURB004A01 1’ - 2” [356] 2’ - 0” [610] C09453 F i g .5 - - R o o fC u r bD e t a i l s–0 8—1 2S i z e U n i t s 50TC[...]

10 A-B 0.5” (13) B-C 1.0” (25) A-C 1.0” (25) MAXIMUM ALL OWABLE DIFFERENCE IN. (MM) C06110 Fig. 6 - - Unit L eveling T olerances Ste p 5 — Field Fabr icate Duc twor k Cabinet re turn-ai r static pre ssure (a negative condition) shall not exceed 87 Pa (0.35 in. wg) with economizer or 1 12 Pa (0. 45 in. wg) without e conomiz er . For vertica [...]

11 Ste p 6 — Rig and Place U nit Keep unit upri ght and do not drop. Spreade r bars are not requir ed if top crating is left on unit. Rollers may be used to move unit ac ross a roof. Level by using unit fra me as a refere nce. See T a ble 1 a nd Fig. 7 for addi tiona l informa tion. Lifti ng holes are provi ded in ba se rail s as shown in F ig. 7[...]

12 Economizer Cut Plastic Ties (2) Places Remove Hood P arts C08633 Fig. 10 - - Economizer Par ts, Ship ping Location T wo P osition Damper H ood Removal and Setup - - Factor y Option 1. T he hood is shipped in knock - - down form a nd assembled t o a me tal support tray using pl astic stretch w rap. Located in the r eturn air comp artment, the ass[...]

13 5. Open the filter c lips which are l ocated underneath t he hood top. Insert the alumi num filter into t he bottom filter rack (hood divider). Pu sh the filter into position past th e open f ilter clips. C lose the f ilter clips to lo ck the filter in to place. S ee Fig. 14 . DIVIDER BAROMETRIC RELIEF CLEANABLE ALUMINUM FIL TER FIL TER HOOD FIL[...]

14 The unit i s factory wire d for the volt age shown on ;t he name plate . Refe r to the unit labe l diagram for addi tiona l informat ion. ! W ARNING FIRE HAZARD Failure t o follow thi s warni ng could result in intermittent op eration or p erforman ce satisf action. Do not connect al uminum wire bet ween disconnec t switch and a ir condit ioning[...]

15 Check t ightness of conne ctor lock nuts before conne cti ng elec tric al condui ts. Field - - supplie d and fie ld - - insta lle d liquidt ight conduit connec tors and conduit m ay be a tta ched to t he conne ctors on the bas epan. Pu ll correctly rated high voltag e and low voltage t hrough appropriat e conduit s. Connect the power conduit to [...]

16 T ab le 3 – Heater Mod el Numb er Bare Heater Model Number C R H E A T E R 0 1 6 A 0 0 He ater Sales P ack age PNO Includ es: Bare Heater Carton an d packin g material s Installa tion sheet C R H E A T E R 1 1 6 A 0 0 El ectric H eaters 50TC units ma y be equi pped with fi eld - - insta lle d access ory electric heater s. Each heater is a pre-[...]

17 TRACK FLANGE C08135 Fi g. 2 4 - - T ypic al M odul e Instal l ati on Sing le Poi nt Boxe s and Suppl e me ntar y F uses — 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 acces sory S ingle P oint Boxes, with power distribut ion and fuse [...]

18 PremierLi nk t (Facto ry - - O pti on ) — C08199 Fig. 27 - - PremierLi nk Con troller The Premier Link contr oller (see F ig. 27 ) is compatible with Car rier Comf ort Netw ork r ( CCN) dev ices. This contro l is designed to allow users th e access and ability to change fact ory- - de fined set tings, t hus e xpanding the function of t he stan[...]

19 C09460 Fig. 29 - - PremierLin k W iring Sch emat ic 50TC[...]

20 Outdoor Air T empera ture (OA T) Sensor — T he OA T is fact ory- - m ounted i n the EconoMi$er2 (FIOP or access ory) . It is a no minal 10k ohm ther mistor attached to an eyelet moun ting ring. EconoMi$er2 — T he PremierLi nk control is used w ith EconoMi$er2 (option or accessory) for outdoor air management. The damper position is contr olle[...]

21 T abl e 5 – Space Se nsor M ode TB1 TERMINA L FIELD C ONNEC T ION INPU T S IGNAL 1 T 5 5 --- S E N / T 5 6 --- S E N An alog (10k th erm istor) 2 RMTOC C Discrete, 24VAC 3 T 5 5 --- S E N / T 5 6 --- S E N An alog (10k th erm istor) 4 CMPS AF E Discrete, 24VAC 5 T56 - - - SET An alog (10k th erm istor) 6 FSD Discrete, 24VAC 7 L OOP - - - PW R [...]

22 2 3 45 6 1 SW1 SEN BRN (GND) BLU (SPT) RED(+) WHT(GND) BLK(-) CCN COM SENSOR WIRING C08201 Fi g. 3 0 - - T - - 5 5 Space T e mpe r ature Se nsor Wir ing Connect T - - 55 - - See Fig. 30 for t ypica l T - - 55 inte rnal connec tions. Conne ct the T - - 55 SEN te rmina ls to T B1 terminals 1 an d 3 (see F ig. 31). SEN J6-7 J6-6 1 3 TB1 PL SEN C082[...]

23 When the PremierL ink is configured for Thermostat Mode, these funct ions are not a vaila ble: Fire Shutdown (FS D) , Remote O ccupied (RMT OCC), C ompres sor Saf ety (CMPSAFE), Suppl y Fan Stat us (SFS), and F ilter P ress ure Swit ch ( FIL TE R) . Econ omizer cont ro ls — Outdoor Air Enthal py Control (PNO HH57A C077) - - The e nthalpy contr[...]

24 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 4-20mA + + - + - J3 J4 C08635 Fig. 37 - - In door/O utdoor A ir Q uality (CO 2 )S e n s o r (33ZCSENC O2) - - T ypic al Wiring Diagram T o accurately monitor th e quality o f the air in the conditio ned air sp ace, locate the senso r near a return- - air g[...]

25 Premier Link contr ol can monitor retu rn filter s tatus in tw o ways : By monitor ing a field- - supplied/in stalled filter pressu re switch or via supply fan runtime hours . Us ing switch input: I nstall the dirty filter pressure s witch accordin g to sw itch manufactu rer ’ s instru ctions, to measur e press ure drop acros s the unit’ s r[...]

26 NOTE : Conductors and drain wire must be at lea st 20 A WG, strande d, and t inned coppe r . Individual c onductors must be i nsulate d with PVC, PVC/nylon, vi nyl, T efl on, or polyethyl ene. An aluminum/ polyeste r 100% foil shiel d and an outer ja cket of PVC, PVC/nylon, chrome vinyl, or T eflon with a minimum operating temp erature range of [...]

27 R TU - - MP contr ol system The R TU- - MP controll er , see Fig. 45, provi des expanded stand - - al one operati on of the HV AC system plus connec tion and c ontrol t hrough communi cat ion with several Building Autom ation System s (BAS) through popular thi rd - - part y network systems. T he availa ble network systems a re BACnet MP/TP , Mod[...]

28 C09461 Fig. 47 - - R TU- - MP System Control W iri ng Diagram 50TC[...]

29 T abl e 9 – RTU- - M P Cont roll e r Inputs and O utputs POI NT N AME BA Cnet O BJ ECT NAME TYPE OF I/O CON NE CTI ON PI N NUMB ERS INPU TS Space T em peratu re Sensor sptsens AI (10K T hermistor) J 2 0 --- 1 , 2 Supply Air T emperature sat AI (10K Thermistor) J2 - - - 1, 2 Loca l Outside Air T emper ature Sens or oatsens A I (10K Th ermistor)[...]

30 Field Co nnections - - Field con nections f or acces sor y sensors and i nput devic es a re made the R T U- - MP , a t plugs J1, J2, J4, J 5, J1 1 and J 20. A ll fie ld control wiring that connec ts to the R T U- - MP must be routed through the raceway b uilt into the corner p ost as show n in F ig. 2 2. The raceway p rovid es the UL requir ed c[...]

31 T o wire the return a ir ent halpy sensor , perform the follow ing: 1. Use a 2 - - c onductor , 18 or 20 A WG, twisted pai r cable to conne ct the return a ir enthalpy sensor to the enthal- py controll er . 2. A t the ent halpy control re move the fac tory - - insta lle d resistor from the (SR) and (+ ) term inals. 3. Conne ct the fie ld - - sup[...]

32 Fan Sta tus The fan status acces sor y is a field- - installed acces sory . This access ory detects when t he indoor fan is blowing air . When ins talling this acces so ry , the unit mus t be config ured fo r fan status by s etting MENU → Config → Inputs → i n p u t3 ,5 , 8 ,o r9 to Fan Status and norma lly ope n (N/O) or normall y closed [...]

33 Loc al Access BACvie w 6 Handhel d The BA Cview 6 is a keypad/ display i nterfac e used to connect to th e R TU- - MP to acces s the contr ol in formation , read sensor values, and t est the R T U, see Fig. 54. This is an access ory inter face that does no t come with the MP controll er and c an only be used a t the unit. Connec t the BACview 6 [...]

34 T able 10 – LEDs The LEDs on the R TU- - MP s how the status of certain functions If th is L ED is o n... Statu s is... Power The R TU MP has power Rx The RTU MP is receiving data from the network segment Tx The R TU MP is tran smitting data over th e network segm ent DO# The digital output is active The Run and Error LEDs indicate contr ol mo[...]

35 Economizer 2 Position Damper Unit Without Economizer or 2 Position Damper Power Exhaust C09382 Fig. 55 - - EconoMi$er t IV Wir i ng Ste p 1 1 — Adj ust Fa cto ry- - Insta lled Optio ns Eco noM i$ er IV Oc c upanc y Swit ch — Refer to Fig. 55 for general EconoMi$er IV wiring. Externa l occ upancy c ontrol i s managed t hrough a conn ection on[...]

36 T abl e 1 1 – Uni t Wire/ MO CP Si zi ng Dat a UNIT N O M . V --- P H --- H Z IFM TYPE ELECT RIC HEATER CRHE A TER ***A00 No m (kW) FLA MC A MO C P DISC. SIZ E FLA LRA 50TC* A07 4 0 0 --- 3 --- 5 0 STD --- --- 15.4 25 15 75 CRHEATER106A00 6.0 6.0 15.4 25 15 75 CRHEATER108A00 11.5 11.5 17.6 25 16 75 CRHEATER109A00 14.0 14.0 20.8 25 19 75 CRHEAT[...]

37 T abl e 1 1 – Uni t Wire/ MO CP Si zi ng Dat a (co nt) UNIT N O M . V --- P H --- H Z IFM TYPE ELECT RIC HEATER CRHE A TER ***A00 No m (kW) FLA MC A MO C P DISC. SIZ E FLA LRA 50TC* D09 4 0 0 --- 3 --- 5 0 STD --- --- 17.5 20 18 108 CRHEATER116A00 13.9 13.9 20.6 25 19 108 CRHEATER113A00 16.5 16.5 23.9 25 22 108 CRHEATER114A00 27.9 27.9 38.1 40[...]

38 Legend for T able 1 1 LEG END: DISC - - - Disconn ect FLA - - - Full load amp s IFM - - - Ind oor fan motor LRA - - - Lo cke d roto r amps MCA - - - Minimum cir cuit a mps MOC P - - - Maximum o ver cu rr ent p ro tection 50TC[...]

39 50TC[...]

40 Copyright 2009 Carrier Corp. D 7310 W . Morris St. D I ndianapolis, I N 46231 Print ed in U.S.A. Edition Date: 11/09 Manufacturer reser ves the right to change , at any time, specifications and d esigns without notice and without ob ligations. Catal og No : 50TC - - - C02SI Replaces : NEW 50TC[...]