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Carrier 48TC**16の取扱説明書

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Summary
  • Carrier 48TC**16 - page 1

    48TC**16 Single P ackag e Rooftop Gas Heating /Elec tric Cool ing U nit with Pur on r (R - - - 410A) Refrigera nt Size 16 Installation Instructions NOTE : Read the entire instru ction manual before star ting the ins tallation T ABLE OF CONTENTS SAFET Y CONSIDE RA TIONS 2 .................... INS T ALLA TION 4 ............................... Jobsite ...

  • Carrier 48TC**16 - page 2

    2 Outdoor Air Qua lity Sens or 37 ................. Space Relativ e Humidity S enor or H umidistat 37 .. Smoke Detec tor/Fire Shutdown (FSD ) 38 ......... Connect ing Discrete Inputs 38 .................. Commun ication W iring - - Pr otocols 39 ............ General 39 ................................. Local Acces s 40 ............................. ...

  • Carrier 48TC**16 - page 3

    3 Horizontal Connections / Economizer V ertical Connections / Economizer C10864A Fig. 1 - - Unit Dimensional Drawing – 16 Size Unit 48TC**16 ...

  • Carrier 48TC**16 - page 4

    4 C10862A Fig. 1 - - Unit Dimensional Drawing – 16 Size Unit (cont. ) INST ALLA TION Jobsite Survey Complete th e follow ing check s befo re installatio n. 1. Consult local building c odes a nd the NEC (National Electrical Code) AN SI/N FP A 70 for special installa- tion requ irements. 2. Determ ine unit loc ation (from proje ct plans) or select ...

  • Carrier 48TC**16 - page 5

    5 Roof Mount — Check bui lding code s for weight distribution requirem ents. Unit operat ing weight i s shown in T abl e 1. T abl e 1 – O per ati ng W ei ghts 48TC**16 COMP ONEN T UNI TS LB (K G) Base Uni t 1380 (627) Economizer Ve rt i ca l 100 (45) Horizo ntal 115 (52) H u m i d i --- M i Z e r R Sy stem 62 (28) Pow er e d O ut le t 32 (15) C ...

  • Carrier 48TC**16 - page 6

    6 C10772 Fig. 3 - - Roof Curb Details 48TC**16 ...

  • Carrier 48TC**16 - page 7

    7 A-B 0.5” (13) B-C 1.0” (25) A-C 1.0” (25) MAXIMUM ALL OWABLE DIFFERENCE IN. (MM) A B C C10001 Fig. 4 - - Un it Leveling T oleran ces Ste p 5 — Field Fabric ate D uctw ork NOTE : C abinet retur n-air s tatic press ure (a n egative conditio n) sh all not exceed 0.35 in. wg ( 87 Pa) w ith econom izer or 0. 45 in. wg (1 12 Pa) without e conom ...

  • Carrier 48TC**16 - page 8

    8 P o s i t i o n i n go nC u r b— For full peri mete r curbs CRRFCURB074A 00 and 075A00, the clearance b etween th e roof cu rb and the fro nt and r ear base ra ils should be 1 / 4 in (6 .4 mm). The clearance between the curb a nd the e nd base rail s should be 1 / 2 in (13 mm). For retrofit a pplica tions with curbs CRRFCURB003A01 and 4A01, the ...

  • Carrier 48TC**16 - page 9

    9 Ste p 8 — Install Outside Air Hood Economize r Hood Removal and Setup - - Factory Op tion — 1. The hood i s shipped in knock - - down form a nd locat ed in the return air compartmen t. It is attached to the economizer u sing tw o plastic tie- - wraps . 2. T o gain access t o t he hood, remove the filter acces s panel. (See Fig. 9. ) 3. Locate ...

  • Carrier 48TC**16 - page 10

    10 Economize r Hood and T wo- - Positi on Hood — NOTE : If the pow er exhaust acces sor y is to be installed on the unit , the hood shippe d with the uni t w il l not be used and mus t be discar ded. Save th e aluminum filter fo r use in the powe r exhaust hood assembl y . 1. The indoor co il access panel will be used as the top of the hood. If t ...

  • Carrier 48TC**16 - page 11

    11 Ste p 10 — Install Gas Piping Ins tallation of the gas p iping mu st be accor dance with loca l buildi ng codes and with appli cabl e nati onal codes. In U.S.A., re fer to NFP A 54/ANS I Z223. 1 National Fuel Gas C ode (NF GC ). In Canada, ins tallation must be accordance with the CAN/CSA B149.1 a nd CAN/CSA B149.2 insta llat ion codes for gas ...

  • Carrier 48TC**16 - page 12

    12 NOTE : If gas and/or e lect rical connec tions are not going to occur at this time, tape or otherw ise cover th e fitting s so that moisture does not get i nto the building or conduit i n the interim. GASKET CONNECTOR PLA TE ASSEMBL Y C10906 Fig. 18 - - Completing Installation of Thru - - the- - Base Optio n The thr u - - base gas conn ector has ...

  • Carrier 48TC**16 - page 13

    13 When installing the gas suppl y line, observe local codes pertainin g to gas pipe installations . Refer to th e NF P A 54/ANS I Z223.1 NFGC lates t e d ition (in Canada, CAN/CSA B149.1). In t he absenc e of l ocal buil ding codes, adhe re to the follow ing pertin ent recommendatio ns: 1. A void low spots i n long runs of pipe. Grade a ll pipe 1 ...

  • Carrier 48TC**16 - page 14

    14 The pipi ng for the c ondensate dra in and ext ernal t rap can be completed after the u nit is in p lace. See Fig . 25. NOTE: T rap should be deep enough to offset maximum unit static difference. A 4” (102) trap is recommended . MINIMUM PITCH 1” (25mm) PER 10’ (3m) OF LINE BASE RAIL OPEN VENT TO ROOF DRAIN DRAIN PLUG ROOF CURB SEE NOTE 2 ? ...

  • Carrier 48TC**16 - page 15

    15 C10854 Fig. 29 - - Moun ting Pos ition fo r Field Discon nects (up to 100A) Field p ower w ires are connected to the unit at line- - sid e pressure lugs at the main t ermina l block (T B1) or at factory - - insta lled opt ion non - - fused di sconnect switc h. Max wire size is #2 A WG (copper only). (See Fig. 31.) NOTE : TEST LEA DS - - Unit may ...

  • Carrier 48TC**16 - page 16

    16 Units Without Disconnect Option Units With Disconnect Option 2 4 6 1 3 5 L1 L2 L3 Optional Disconnect Switch Disconnect factory test leads; discard. Factory Wiring 1 1 12 13 L1 L2 L3 TB1 208/230-3-60 460-3-60 575-3-60 Disconnect per NEC C10015 Fig. 31 - - Power W iring Con nectio ns Conve nie nce Outl et s — ELECTRIC AL OP ERA TION HAZARD Fail ...

  • Carrier 48TC**16 - page 17

    17 T est the GFCI receptacle by press ing the TEST butto n on the face of the r eceptacle to trip and open the receptacle. Check for prope r grounding wires and power line pha sing if the GFC I receptacle does not trip as required . Pres s the RESET butt on to cl ear the trippe d conditi on. C08283 UNI T VOL TAGE CON NECT AS PRIMA RY CO NNEC T IONS ...

  • Carrier 48TC**16 - page 18

    18 Fa cto ry - - Opti on Thr u - - Base Connec ti ons (Electrica l Con nectio ns) — This ser vice connection kit cons ists of a 1 / 2 - - in electrical bulkhea d connect or and a 1 1 / 2 - - in electrical bulkhead conn ector , connected to an “L” br acket covering the embos sed (rais ed) sectio n of the unit bas epan in the condenser secti on ...

  • Carrier 48TC**16 - page 19

    19 X C G W2 C W2 G W1 O/B/Y2 Y2 R W1 R Y1 Y1 T H E R M O S T A T (see Note) Note: T ypical multi-function marking. Follow manufacturer’s configuration instructions to select Y2. Do not configure for O output. Field Wiring Central T erminal Board T ypical Thermostat Connections C10903 Fig. 38 - - T ypical Low - - V ol tage Contr ol Connections Un ...

  • Carrier 48TC**16 - page 20

    20 Humidi- - Mi Zer R Con tr ol Conne ct ions Humi di - - Mi Zer – Spac e RH Contro ll er — NOTE : The Humidi- - MiZer is a factory in stalled optio n. The Humidi- - MiZer dehumidif ication sys tem requir es a field- - supplied an d - - ins talled space relative humid ity contro l device. This device may be a s eparate hu midistat control (cont ...

  • Carrier 48TC**16 - page 21

    21 HUMIDIST AT C11201 Fig. 42 - - T ypical Humidi - - Mi Zer R Ada ptive D ehum idificat ion Sy stem Hu midis tat W iring Rc Rh W1 G Y2 C O/W2/B Y1 OAT RRS SRTN HUM D1 D2 V+ Vg X* C G W2 W1 Y2 Y1 R EDGE Pro THERMIDISTAT Unit CTB THERMOSTAT *Connection not required. Humidi-MiZer™ FIOP C09298 Fig. 43 - - T ypical Rooftop Unit with Humidi - - MiZe r ...

  • Carrier 48TC**16 - page 22

    22 PremierLi nk t (Factory Op tion) C08199 Fig. 44 - - Premier Link Contr olle r NOTE : Refer t o Form 33CS- - 67SI for c omplet e PremierL ink c onfigurati on, opera ting sequence s and troubleshooti ng informa tion. Have a copy of thi s manua l avail able a t unit start - - up. The Premier Link contro ller (see Fig . 44) is compatible with Car ri ...

  • Carrier 48TC**16 - page 23

    23 C11202 Fig. 46 - - Prem ierLink W iring Schem atic 48TC**16 ...

  • Carrier 48TC**16 - page 24

    24 C11203 Fig. 47 - - Prem ierLink W iring Schem atic with Hu midi- - MiZer R 48TC**16 ...

  • Carrier 48TC**16 - page 25

    25 Supply Air T em per ature (SA T) Se nsor — On FIOP- - equippe d 48T C**16 units, the unit is supplied with a supply - - air te mpera ture (SA T) sensor (33ZCSENSA T). This sensor is a tubular probe t ype, a pprox 6 - - i nches (12. 7 mm) in leng th. It is a n ominal 10- - k ohm th ermistor . The SA T is f actory- - wired. The S A T prob e is w ...

  • Carrier 48TC**16 - page 26

    26 T abl e 4 – Space Se nsor Mo de TB3 TERMINA L FIELD C ONNEC TION INPU T SIG NAL 1 T 5 5 --- S E N / T 5 6 --- S E N An alog (10k th ermi stor) 2 RMTOC C Discrete, 24VAC 3 T 5 5 --- S E N / T 5 6 --- S E N An alog (10k th ermi stor) 4 CMPS AF E Discrete, 24VAC 5 T56 - - - SE T An alog (10k th ermi stor) 6 FSD Discrete, 24VAC 7 L OOP - - - PW R ...

  • Carrier 48TC**16 - page 27

    27 Spac e Se nsors — The Premi erLi nk controll er is fact ory- - shipped c onfigured for Space Sensor Mode. A Carrier T - - 55 or T- - 56 s pac e sensor must be us ed. T - - 55 space te mperat ure s ensor provides a signal of spac e t empera ture to the Prem ierLi nk control. T - - 56 provides same space t empe rature signal plus it al lows for ...

  • Carrier 48TC**16 - page 28

    28 Economizer Contr ols Indoor Ai r Qua li ty (CO 2 se nsor ) — The indoor air quality sensor access ory monitors space carbon di oxide (CO 2 ) levels. This info rmation is used to monito r IAQ lev els. Several typ es of s ensor s are available, for w all mounting in the s pace or in return d uct, with an d without LCD displa y , a nd i n combi n ...

  • Carrier 48TC**16 - page 29

    29 SEN J5-2 J5-3 COM 13 11 TB3 TB3 IAQ Sensor PL 24 V AC C10285 Fig. 57 - - Outdoor CO 2 Senso r Connec ti ons Spac e Rel ati ve Hum idi ty Senso r or Hum idi stat Conne cti ons — Spac e Re la tiv e Hum idi ty Se nsor c onne cti ons: Th e access ory s pace relative humidity sens or (3 3ZCSEN SRH -01) is ins talled on an interior w all to measure ...

  • Carrier 48TC**16 - page 30

    30 Smoke De te cto r/ Fi re Shutdown (FSD) — This fun ction is available only when PremierLink is conf igured fo r (Space) S enso r Mode. The unit is factory- - wired f or Premier Link FS D operation wh en Premier Link is factory- - installed . On 48TC**16 units equippe d with fac tory - - i nstalle d Smoke Detect or(s), the smoke det ector cont ...

  • Carrier 48TC**16 - page 31

    31 CCN Comm unic ati on Bus — The Premie rLink cont roller conne cts t o the bus in a daisy chain arrangement. Nega tive pins on each component must be con nected to resp ective n egative pins , an d likewis e, positive pins o n each component must be connected to res pective po sitive pin s. The controller signal pins must be wired to the signal ...

  • Carrier 48TC**16 - page 32

    32 R TU O pen Contr ol Syst em The R TU Open cont rol is fact ory- - mount ed in the 48TC**16 unit’s ma in control box, to t he le ft of the CT B. See Fig. 66. Factory wiring i s complet ed through harnesses conne cted t o the CT B. Fie ld connec tions for R T U Open sensors will be ma de a t the Phoenix connec tors on the R TU Open board. The fa ...

  • Carrier 48TC**16 - page 33

    33 C11204 Fig. 67 - - R TU Open System Control Wiring Diagram 48TC**16 ...

  • Carrier 48TC**16 - page 34

    34 C11205 Fig. 68 - - R TU Open System Control Wiring Diagram with H umidi- - Mi Zer R 48TC**16 ...

  • Carrier 48TC**16 - page 35

    35 T abl e 8 – RTU Ope n Cont roll er Input s and Out puts POINT NAME BACne t OBJ ECT NAM E TYPE OF I /O CON NECTI ON PIN NUM BE R( S) DEDICATE D INPUTS Spa ce T emp / Z one T emp zone_tem p AI (10K Th ermist or) J 2 0 --- 1 , 2 Suppl y Air T empera ture sa_ temp AI (10K T hermistor) J 2 --- 1 , 2 Ou tdoor Air T e mpera ture oa_temp AI (10K Th er ...

  • Carrier 48TC**16 - page 36

    36 Sp ace T emperatu re ( SPT) S ens ors — There are two t ypes of SPT sensors ava ilabl e from Carrie r , resistive i nput non-com munica ting (T55, T 56, and T 59) an d R net c omm un ic at ing ( SPS, SPPL , SPP , a nd SPPF) sensors. Eac h type ha s a varie ty of opti ons consisting of: timed override button , set point adjus tment, a LCD scree ...

  • Carrier 48TC**16 - page 37

    37 Wiri ng the Indoor Air Q ual ity Se nsor : Fo r each sen sor , use two 2- - c onductor 18 A WG (America n Wire Gage) twis ted- - pair cables (u nshield ed) to connect the separate isolate d 24 vac power source to the sensor and to conne ct the sensor to the cont rol board te rminal s. T o connect the sens or to the contro l, identify the positiv ...

  • Carrier 48TC**16 - page 38

    38 Relative Humidity Sensor (Polarized Male Connector ) J4-1 or J4-4 + 24 VDC Supply Voltage J4-2 or J4-5 (-) 4 to 20 mA Cu rrent Loop Output to RTU-OPEN 4-20 VAC GND 0-5V mA or or VDC 0 -10V SPAN ZERO C10839 Fig. 75 - - Duct Relative H umidity Sensor T ypical Wiring Humidistat: The accesso ry humidistat p rovides the R TU Open in sight to th e rel ...

  • Carrier 48TC**16 - page 39

    39 Com munic atio n W iring - - Pr otocols Genera l — Protocols are t he c ommuni cati on language s spoken by control devi ces. The m ain purpose of a protoc ol i s to communi cate informatio n in the most eff icient method pos sible. D iff erent pro tocols ex ist to prov ide dif ferent kinds of informat ion for different a pplica tions. In the ...

  • Carrier 48TC**16 - page 40

    40 Loca l Acces s — BACvie w 6 Handhel d: The BAC view 6 is a keypad/ display interface us ed to conn ect to the R TU Open to access the control i nformat ion, rea d sensor values, a nd test the R T U, see Fig. 79. This is an accessor y interface that does not come with the R TU O pen contro ller and can only be us ed at the unit. C onnect the B ...

  • Carrier 48TC**16 - page 41

    41 T able 9 – LEDs The LE Ds on the R T U Open Control Board (see Fig. 65) show the sta tus of cert ain funct ions: If th is L ED is o n... Statu s is... Power R TU Open has power Rx RTU O pen is receivi ng data f rom the network segm ent Tx RTU O pen is tra nsmittin g data ov er the netw ork segmen t DO# The digital output is active The Run and ...

  • Carrier 48TC**16 - page 42

    42 T o wire the re turn ai r entha lpy senso r , pe rf orm the follow ing: 1. Use a 2 - - c onductor , 18 or 20 A WG, twisted pai r cable to conne ct the ret urn air enthal py sensor t o the en- thalpy c ontroll er . 2. Connect the fi eld - - supplied RE D w ire t o (+) spade con - nector on the re turn air ent halpy sensor a nd the (+) te r- minal ...

  • Carrier 48TC**16 - page 43

    43 Air is introduce d to the duc t smoke det ector sensor ’ s sensing cham ber through a sam pling tube tha t e xtends into the HV AC duct and is directed back into the ventilation system through a (shorter) exhaust tube . The difference in air pres sure between the two tubes pulls the sampled air through the sensing c hambe r . When a suf fic ie ...

  • Carrier 48TC**16 - page 44

    44 Completing Installation of Return Air Smoke Sensor: 1. Unscrew t he two screws holdi ng the Re turn Air Sensor detect or plate. See Fig. 85. Save the scre ws. 2. Remove the Re turn Air Sensor and its det ector pl ate. 3. Rotate the det ector pla te so the sensor is facing out- wards and the sam pling tube connec tion is on the bot- tom. See Fig. ...

  • Carrier 48TC**16 - page 45

    45 T ab le 10 – U nit W ire/Fu se or HA CR B reak er Sizin g Dat a UNI T NOM . V --- P h --- H z IFM TYPE COMB USTION FAN MOTOR POWER EXHA UST NO C .O. or U NPW R C .O. FLA FLA NO P .E . w/ P .E. (pwr d fr / un it) MCA FUSE or HACR BRKR DISC. SIZE MCA FUSE or HACR BRKR DISC. SIZE FLA LRA FLA LRA 48TC*D16 208/230 - - - 3 - - - 60 STD 0.48 3.8 68.3 ...

  • Carrier 48TC**16 - page 46

    46 Economizer 2 Position Damper Unit Without Economizer or 2 Position Damper C10333 Fig. 87 - - EconoMi $er t IV Wir ing Ste p 13 — Adjus t Fac tor y- - Installe d Options Sm oke Detect ors — Smo ke detector( s) w ill be connected at the Cen tral T erminal Board (CTB), at t ermina ls marked “Smoke Shutdown”. Remove jump er JMP 3 when ready ...

  • Carrier 48TC**16 - page 47

    47 48TC**16 ...

  • Carrier 48TC**16 - page 48

    48 Copyright 2011 Carrier Corp. D 7310 W . Morris St. D In dianapolis, IN 46231 Print ed in U.S.A. Edition Date: 05/ 11 Manufacturer reser ves the right to change , at any time, specifications and d esigns without notice and without oblig ations. Catal og No : 48TC - - - 14SI Replaces : 48TC - - - 11SI 48TC**16 ...

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