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Report (27) - ' irc I-ol7-001 4.1D E')(� .51 � TC� #8 7(10S St(' 7-ea( Nr �-� Product 48NLT,NMT,NET, _ Data NHT, and NVT • carrier Packaged HEATING. a Heating/Cooling • Units 1-1/2 to 5 Nominal Tons Single-Package Rooftop Products with Energy-Saving Features • intermittent pilot ignition • modulating economizer • solid-state logic panel • energy management system Features/Benefits One-piece combination heating and cooling units lower in- • stallation costs and provide dependable performance and . °' r { easy maintenance. , ? fi,<, ,, .� a Side-by-side duct configuration - `` `�` designed to be converted easilyfrom a vertical to a horizontal dischare unit 2t Available in a variety of standard and optional heating/cooling size corn- a F binations with voltage options to •'' > meet residential and commercial re quirements. This model installs easily ,K.:*?..,:-...:, on a rooftop or a ground-level pad. High-efficiency design with SEER's -., (Seasonal Energy Efficiency Ratios) ,� up to 9.7 and an AFUE (Annual Fuel Utilization Efficiency) rating of 78.5%. All units have a minimum CSE * of(California72°x. Seasonal Efficiency) rating Factory-assembled package is a compact, fully self-contained,combi- nation gas heating/electric cooling unit that is prewired, prepiped, and pre- charged for minimum installation expense. Energy-saving,intermittent,spark- ignition pilot saves gas by operat- ing only when the room thermostat calls for heating. Standard units are furnished with natural gas controls. A low-cost, field-installed kit for pro- pane conversion is available for all units Copyright 1991 Carrier Corporation Form 48NT-4PD if _ D , 1‘111111' (l y '111,4,11 a l:lli , , I ) t 11 UNIT SIZE 48 NLT018 NLT024 NHT024 NLT030 NMT030 NHT030 NLT038 NMT036 1NETO36 NHT036 NVT036 NGMINAl CAPACITY(toe) ' ,.iv.' _ 3 I _ . OPERATING intIGHT(Ib) '450 454__`I 460' ` _.470 I 478 1�.480 ' 486 I: 490 490 530 'COMPRESSORS �_ I 536 Quantity Reciprocating Hermetic,3500 Rpm . REFRIGERANT* -... 1 REFRIGERANT METERING DEVICE '-. R . CONDENSER COIL . . ' ` ` . - AccuRat. Piston Rows 1 Fins/In. 20 2 CONDENSER FAN 20 Nominal Airflow(Cfm) Nominal Speed(Rpm) 2000 11000D 30001( Quantity„Diameter(In.) 825 825" Motor Hp(single-phase) I 3/40 1 20 11 eft _ (three-phase) 3/40EVAPORATOR COIL - v . - - - '- ._ . %n Rows __ h Fins/n. 3 EVAPORATOR FAN 14 Nominal Cfm 600 800 1000 + I .1200 Nominal Speed(Rpm) 1200 Diameter x Width(in.) 10 x 8 1100 Motor lip(single-phase) 10 x 10 1h h 3/4(three-pase) — h �a-FURNACE SECTION Burner Orifice No. (Qty. dl!size) 2 44 2 44 3 44 2 44 344 4 44 344 4...44 4,.42 544 6 44 Natural Gas Burner Orifice No. (Oty...drill size) 2 55 2 55 3 55 2 55 3 55 4 55 3 55 4..55 4..54 5 55 6 55 Propane Gas Pilot Orifice Diameter (in.-.drill size) Natural Gas 018 77 Pilot Orifice Diameter(in.) Propane Gas 009 RETURN-AIA FILTERS(sq In.)t --- -- •- - - - .. Disposable '_" -' --` - _, Cleanable 288 528 824 i . m r. e_. 192 352 418 1 720 , .. . L. . 480 UNIT SIZE 48 � . _ S NOMINAL CAPACITY(tonj ' -. PlNLT042INMTOg21N 3T042�NHT042'NVT042 NiT048 NMTO48�NHT0481NVTt)g0 INLTOBD INMTO60 INH 0�NVT060 1/2 4 OPERATING 1NE-IGHT(Ib) '41)8 500 500 ' 550 - 556 57'4 ' 580 -585 I-586- - g0" 5 ' . ( ...__-- •� -- --� — - oc —... 1 __.__..J _. I - 4 610 -e-ie 618 COMPRESSORS" i I I— Ouandty Reciprocating Hermetic,3500 Rpm I REFRIGERANT' ., __ "._. —- - - - - 1 R-22 REFRIGERANT METERING DEVICE ' -" AccuAaterm Piston CONDENSER COIL "" "' - Rows __ . . -- - - - .. _ Flns/in. 2 _ CONDENSER FAN - - — •.._.. 20 Nominal Airflow(Cfm) 2500 I 3000 __ Nominal Speed(Rpm) 3500 Quantity...Diameter(In.) 1100 Motor Hp(single-phase) % 1 20 V, 1 (three-phase) 1h EVAPORATOR COIL 9'. 1 Rows -- _,_ F1ns/In, 3 " 4 4 EVAPORATOR FAN _ __ __ _. . 1_ 14 Nominal Cfm 1400 —fT ._._ .. Nominal Speed(Rpm) 1 y 1600 2000 Diameter x Widt (in.) t 100 Motor Hp(single-phase) 1h 10 z 10 I 3450 three-phase) ,h � 1 FURNACE SECTION® � ___ _ V. 1 Burner Orifice No. _ ` "` _ (Q dall size) 3 44 4 44 4 .42 5 44 6. 44 344 4 44 5 44 6 42 3 44 4..44 544' Natural Gas6 42 Burner Orifice No. (Oty...drrill sizes ) 3 55 4 55 4..54 5 55 8..55 3 55 4 55 5..55 6 64 3 55 4 55 5 55 6 54 ilotoOrifkGa PDiameter (in....ddli size) Natural Gas 018 .77 Pilot Orifice Diameter(in.) Propane Gas 009 RETURN•AIH FIFILTERS(aq In-it . _ . _. .___ _ , I] _ _ . . _ CleDisposable sb e 480 1e 720 • __ 0 ` 816 960 _ _._ �__ 544 640 'Operating charge is listed on unit nameplate +--' ""` ` ' w •-- tRequired field-supplied filter areas are based on the larger of the ARI-rated(Air "Single-phase units Conditioof ning&Rerigeration Institute te))pceoo in airflow or the heating airflow t a ttThree phase units filtercpressuurre0drop min ust notr oexceed 0 08 In wor g for high-capacity type Air L. 4 r /, , nn/, _ __ ,0!5.I h1' Q,iOl-.S Cw..44 ..c i!1- -, .// /h, . ROOF CURBS 0 DIMENSIONS(in.) \ CABINET PART A B" C" C.. "E" "F" -j'—� ACCESSORY ( SIZE' I NUMBER' I + _ _ 18-In.Roof Curb Small _ 48NT-900.241 39h 8 _401 18 18' _ 11-in.Roof Curb Small _ 48N_T-900.251 391.4- 11 401_ 18__181 18 -14--In.Roof C_wb S-rn— iii T•800-26i 39h 14 40h 1.8 18h V SUPPLY —.. 8N— - 58 - - .._. 8-In.Roof Curb andLarer 48NT•900.78t 58 8 57 23/. 29'Y. 7 Small 47 Large 46 11 In�Root Curb i 4814T-900-791 56 11 57 23'/. 293/4 7 Smal_ ge RETURN 14-In.Root Curb ander 46NT•900�1 56 14 57 23'/s 293/47 18 Small T 'Refer to Accessories table on page 5 for small-end large-cabinet model alzea,and for lF their corresponding part numbers I . \ 1-,-;_---_-..-----------...____ li 4 D 0.1 E B 2—14C III ECONOMIZERS VERTICAL ECONOMIZER HORIZONTAL ECONOMIZER •- X91 �q61�. ! P !715 000b... 1/2' '�\..,_____..---B— ------ ____________1 wl�`Ir-,..- 440 .."1""rt%---- 1 .1 ,s..." .......*---- E C > e D e ,,_ ::: D J DIMENSIONS(in.) DIMENSIONS(in.) ____ .•----®-. CABINET PART FILTER An nB,. ..C•. ..p., ,E., ..F., SIZE ACCESSORY CABINET PART A,. S.. C.. p.. ACCESSORY SIZE` NUMBER (qty). SIZE• _NU_MBER' ......,.__ ._ _. 77so poa_ — -. - --- --• ...----_.25x1652 wo.PEconomlxer Small —48NT•900-581 21r4 191 20Yi 303y Economizer Small 48NT•800.521 26 18_ 14 16 20 31 (1) Modulating 9 2518x2 • EeonOarnaer Large 48NT•900.591 2Vh_ 191--20t. 304L— -Eoonoml5er l.er a 48NT�900.5312618 14 18 20 31 1 Two-Position 16x1852 E"Po n Small 48NT-900101 29'4'is 27i+u 281Ms 39'14s Eeortomtrar Sme9 48NT900121 30 24 14 18 22 35 (t) -- , Modulating age 48NT-900-131 30 24 14 18 22 35 16x1652 EconoRIAaulamizer _ting age ABNT-900-1N 2B'�a 27c/.• 26 Yu 39 gh. Economizer .- �-• (��'_ 'Refer to Accessories table on page 5 for small-and Ierge-cabinet model saes,and for 'Refer to Acceseodes table on page 5 for small-and large-cabinet model sizes,and for their their corresponding part numbers corresponding part numbers 9 RTC) *-8 48VL—C Comfort"" 14 SEER Single—Packaged Air Conditioner and Gas Furnace System with Puron® (R-410A) Refrigerant Carver Single Phase 2-5 Nominal Tons (Sizes 24-60) turn to the experts Three Phase 3-5 Nominal Tons (Sizes 36-60) Product Data �- Innovative Unit Base Design (((««`""""-- %��.". On the inside a high-tech composite material will not rust and incorporates a sloped drain pan which improves drainage and helps inhibit mold,algae and bacterial growth.On the outside metal base rails provide added stability as well as easier handling and rigging. Convertible duct configuration Unit is designed for use in either downflow or horizontal applications.Each unit is converted from horizontal to downflow and includes two hirizontal duct covers. Downflovf operation is provided in the field to allow vertical ductwork connections.The basepan seals on the bottom openings to ensure a positive seal in \......_.. ...._ the vertical airflow mode. "f/� Efficient operation High-efficiency design offers SEER \\\ '% 0� (Seasonal Energy Efficiency Ratios) of 14.0, 11.5 EER, and \\\____________.•0. AFUE(Annual Fuel Utilization Efficiency)ratings up to 81.0%. p O Energy-saving,direct spark ignition saves gas by operating only when the room thermostat calls for heating. Standard units are A170030 furnished with natural gas controls.A low-cost field installed kit Fig.1-Unit 48VL-C for propane conversion is available for all units. Single-Packaged Products with Energy-Saving Features and Low NOx units are designed for California installations. These Puron®refrigerant. models meet the California maximum oxides of nitrogen (NOx) • 14.0 SEER emissions requirement of 40 nanograms/joule or less as shipped • 11.5 EER from the factory and MUST be installed in California Air Quality • 81.0%AFUE(Single phase models) Management Districts and wherever a Low NOx rule exists. • ECM Motor-Standard Durable,dependable components • Direct Spark Ignition Monoport inshot burners produce precise air-to-gas mixture, • Low Sound Levels which provides for clean and efficient combustion. The large • Dehumidification Feature monoport on the inshot(or injection type)burners seldom,if ever, • Dense Wire Condenser Coil Guard-Standard requires cleaning.All gas furnace components are accessible in one • Cabinet air leakage of 2.0%or less at.5 in.W.C.when tested in compartment. accordance with ASHRAE standard 193.(Low leak FLOP models Turbo-tubular' heat exchangers are constructed of aluminized only.) steel for corrosion resistance and optimum heat transfer for FEATURES/BENEFITS improved efficiency.The tubular design permits hot gases to make One-piece heating and cooling units with low sound levels,easy multiple passes across the path of the supply air. In addition,dimples located on the heat exchanger walls force the installation,low maintenance,and dependable performance. hot gases to stay in close contact with the walls, improving heat Puron is Carrier's unique refrigerant designed to be environmentally balanced. Puron is an HFC refrigerant which transfer. does not contain chlorine that can harm the ozone layer.The most ECM Motor is standard on all models. important advantage of Puron refrigerant is that it has not been Direct-drive PSC (Permanent Split Capacitor)condenser-fan banned in future air conditioning systems as the traditional motors are designed to help reduce energy consumption and refrigerant R-22 has been. Puron refrigerant is in service in provide for cooing operation down to 40°F (4.4°C) outdoor millions of systems proving highly reliable and is non-ozone temperature. Motormaster® II low ambient kit is available as a depleting. field-installed accessory. Easy Installation Thermostat controls Factory-assembled package is a compact, fully self-contained, Time Guard® II anti-short cycle protection circuitry. If a combination gas heating/electric cooling unit that is prewired, non-corporate thermostat without anti-short cycle protection is pre-piped, and pre-charged for minimum installation expense. used the Time Guard II field-installed anti-short cycle kit is These units are available in a variety of standard and optional recommended. heating/cooling size combinations with voltage options to meet residential and light commercial requirements. Units are lightweight and install easily on a rooftop or at ground level.The high tech composite base eliminates rust problems associated with ground level applications. 1 AHRI* CAPACITIES Cooling Capacities and Efficiencies UNIT SIZE NOMINAL STANDARD COOLING EER SEER TONS CFM CAPACITY 24 2 800 23000 11.5 14.0 30 2.5 1000 28600 11.5 14.0 36 3 1150 34800 11.5 14.0 42 3.5 1350 40000 11.5 14.0 48 4 1550 46000 11.5 14,0 _..-� 60 5 1750 56000 11.5 14.0 / LEGEND Notes: dB-Sound Levels(decibels) 1. Ratings are net values,reflecting the effects of circulating fan heat. db-Dry Bulb Ratings are based on: SEER-Seasonal Energy Efficiency Ratio Cooling Standard:80°F(26.7°C)db,67°F wb(19.4°C)indoor entering-air wb-Wet Bulb temperature and 95°F db(35°C)outdoor entering-air temperature. COP-Coefficient of Performance 2. Before purchasing this appliance,read important energy cost and efli- *Air Conditioning,Heating&Refrigeration Institute, ciency information available from your retailer. **At"A conditions-80°F(26.7°C)indoor db/67°F(19.4°C)indoor wb& 95°F(35°C) outdoor db. V t Rated In accordance with U.S.Government DOE Department of Energy) test procedures and/or AHRI Standards 210/240. J > Gas Heating Capacities and Efficiencies,Single Phase Models co cr I UNIT SIZE HEATING INPUT(Btuh) OUTPUT CAPACITY TEMPERATURE RISE AFUE(%) (Btuh) RANGE°F (°C) 2404025-55 81.0 30040 40,000 33,000 (14-31) 24060 3006025-55 81.0 36060 60,000 49,000 (14-31) 42060 36090 73,000 42090 90,000 74,000 35-65 81 0 4809074,000 (19-36) 60090 74,000 4811530-60 81.0 60115 115,000 94,OD0 (17-33) 4813035-65 81.0 60130 127,000 104,000 (19-36) LEGEND AFUE-Annuai Fuel Utilization Efficiency NOTE:Before purchasing this appliance,read important energy cost and efficiency information available from your retailer. Gas Heating Capacities and Efficiencies,Three Phase Models UNIT SIZE HEATING INPUT(Btuh) OUTPUT CAPACITY TEMPERATURE RISE AFUE(%) (Btuh) 1 RANGE°F (°C) 3606060,000 48,000 25-55 80.0 42060 47,000 (14-31) 78.5 36090 72,000 79.3 42090 73,000 35-65 80.4 48090 90,000 73,000 (19-36) 80.4 60090 73,000 80.4 4811530-60 80.3 60115 115,000 93,000 (17-33) 48130130,000 103,000 35-65 78.9 60130 (19-36) LEGEND AFUE-Annual Fuel Utilization Efficiency NOTE:Before purchasing this appliance,read Important energy cost and efficiency information available from your retailer. A-Weighted Sound Power Level(dBA) i UNIT SOUND TYPICAL OCTAVE BAND SPECTRUM(dBA without tone adjustment) SIZE RATING 125 250 500 1000 2000 4000 I 8000 24 73 54.3 61.3 55.2 54.8 57.1 53.6 43.1 30 73 58.1 59.4 61.2 64.1 59.2 56.8 50.9 36 1 74 58.7 62.8 65.7 67.8 63.7 58.9 51.7 42 74 54.4 59.0 61.2 62.1 58.9 53.5 46.7 48 ! 73 l 57.1 57.6 i 60.5 62.7 58.2 56.4 50.7 60m 78 I 64.4 59:7 i 59.6 6 60.6 59.8 55.5 47. 8 I NOTE:Tested in accordance with Mill Standard 270-1995(not listed in AHRI). 4 f • • PHYSICAL DATA • UNIT SIZE 48090 NOMINAL CAPACITY(ton) 48115 48130 60090 v 4 60115 60 5 SHIPPING WEIGHT Ib 4 5 5130 SHIPPING WEIGHT k9 480 480 480 5 218 218 497 497 EMI COMPRESSOR J QUANTITY 218 225 225 REFRIGERANT(R-410A) Quantity Ib 9.2 Quantity(kg,) 9.2 9.2 9.8 9.8 9.8 REFRIGERANT METERING DEVICE 4.2 4.2 4.2 4.4 4.4 4.4 ORIFICE ID In./mm Orifice 080/2.03 OUTDOOR COIL Rows...Flns/n. 08412.14 Face Area(sq ft) 1...21 1...21 1...21 21.4 21.4 1...21 1...21 1...21 OUTDOOR FAN 21.4 23.3 23.3 23.3 Nominal Cfm Diameter In. 3600 3600 3600 4200 Diameter(mm) 28 26 26 4200 4200 Motor Hp(Rpm) 880.4 B80 4 26 28 26 1/5 810 880.4 880,4 880.4 INDOOR COIL 880.4 ROws...Finstt. ) 1/5(810) 1/5(910) 1/5(810) 115(810) 1/5(810) 1 Face Area(sq h) iin 34.7 3...17 3,..17 INDOOR BLOWER 4.7 4,7 3..,17 3...17 5.8 5.8 5.8 Nominal Cooling Airflow(Cfm) 1550 Size in. 1550 1550 1750 Size(mm) 11x10 11x10 11x10 1750 1750 279.4x254 279.4x254 11x10 11x10 11x10 Motor HP(RPM) 27 (1075)525279.4x254 279.4x254 279.4x254 FURNACE SECTION* 1.0(1075) 1.0(1075) 1.0(1040) 1.0(1040) 1.0(4040) Burner Ordike No.(City...Drill Size) 1&3 Phase Natural Gas(Factory Installed) 1&3 Phase Propane Gas 3...38 3...33 3...31 3...53 3...51 3...39 3...33 3...31 HIGH-PRESSURE SWITCH 3...49 3...53 3...51 (psig)Cut-out Reset(Auto) 650+1-15 3...49 LOSS-OF CHARGE/LOW-PRESSURE 420+/-25 SWITCH(Liquid Line)(pslg)cut-out Reset (auto) RETURN-AIR FILTERS Throwawayt#In. 1 each 24x14x1 1 each 24x18x1 mm 6105358325 24315x1 6103408x25 8103408x25 24318x1 *Based on altitude of 0 to 2000 ft(0-610 m). 8103457x25 t Required filter sizes shown are based on the larger of the AHRI(Air Conditioning Heating end Refrigeration Institute)rated cooling airflow or the heating air- flow velocity of 300 to 350 ft/minute for throwaway type.Air filter pressure drop for non-standard filters must not exceed 0.08 IN,W.C. t If using accessory filter rack refer to the lifter rack installation instructions for correct filter sizes and quantity. 6 48VL-C • CENTER OF GRAVITY INJMM �y ELECTRICAL 7�� UNIT CHARACTERISTICS L�81.0 �c�� �>vi 17;.1/© 48VLI-/N1C48(060/090)13/5/610 208/230-1-60,208/230-3-60,460-3-60 413 199.0 4ii 3 ' 1340 __ +g+ 579.4 ��ulaR 17 3/8 Omm2 48VL( /N 1C40t09011151130II3151610 2081230 i 60,208(230 3 60,460-3-60 1391 579.4 17'5/8 d 48VL(-/NIC60t0901115/1301(315/610 208/230-1-60,208/230-3-60,460-3.60 455 206.0 Eng' cam WEIGHTS LB/KG UNIT VOLTAGE .1. .Z. •3' '/' C� 42 208/230/460 62 0 28,1 8Z.6 31.5 123.0 56.7 144,6 65.6 .z 48 208/230/460 65.7 29-8 81,6 39.7 131,4 59.4+ 153,3 69.5 CA 2 1)-16215 60 20612301460 .68,3 31,0 91.0 41.3 136.5 61,3 159.3 12.2 Q 13'1 5216 E)5/,q7 1154 0/ 13.9{14 REQUIRED WARM:ES TD NATL. t6/$1----' 044 51 INCHES [NNI .187)I ..14 [355.61 C/] SUPPLE TOR OF UNIT.,.. 2 150.83 1 11/134 DUCT SIDE Of UNIT . (4 [355.61 t7t,1i �� BETDax Va SIDE OPPOSITE DUCTS-..,.- •. _a 12 [12.71 I BOTTOM Of UNIT .36 1912,11 RJ FLUE PANEL OPTIONAL � OPTIONAL � RETURN SUPPLY i [ •iREaIAiED INCHES (MMI O OPENING42 [1066.81 15-15116 Alk BETWEEN UNITS, POWER ENTRY SIDE [IDI 81 _ � UNIT AND UNGROUNDED SURFAtES,PO'NEA ENTRY SIDE .36 1914:01 2 UNIT AND BLOCK OR CONCRETE WALLS AND OTHER .42 [1066.BF GROUNDED SURFACES, POWER ENTRY SIDE HOMED CLEARANCE FOR OPERAT WF1 AIA 58tVICI4G INCHES INN1 :��' • )-3na---777 .36 0914.01 Alliiii: anon cou--' w. (83.07 EVAP. [810COIL ACCESSSIDESIDE, 42 [1066.81 POWER ENTRY SIDE } IEYCEPT FOR NEC REQUIREMENTS( 48 [1219 2I UNIT TOP.. .46 1219.21 _ SIDE OPPOSITE DUCTS - 7 %, 6.73n6 _12 [304.81+ c a.: 177).8( DUCT PANEL C! *MINIMUM DISTANCES: If UNIT IS PLACED LESS THAN 12 [304.81 FROM WALL SYSTEM, THEN SYSTEM TOP VIEW PERFORMANCE MAYBE COMPROMISED. INDOOR COIL •..iDgDR to7t DIMENSIONS IN II ARE IN MM Q It A7 I X142 -•12-15118 2 Ui11 a7 1 114::al 11018.11 (58 6I '. LECYR ItXI. ACCESS PRNCL - ` -i 16.128:P7ME9ACNTR I I 1 i ( 778'12221 DIF. XDLC••-+ ' • 1rII38i [ ENYRY ' • 6. 1 SUP 1 �15-7! 'DUCtIn OPEX(N6 .1555 it y} - '3 '2' 1/•518 t ' ' w�Rb�� 4-x1 151171 12 if8 • 6-518 ��N, pp uu.n )atl.o Il 6.31 00 •111 7 i117 O 'p [ 1 5.1(36--^ :.._112'(12.77 X.P.T )116 :LOaER (111.37 G85[RiRY t*-87 )•324 ^^- 12.518"•-*" DRAIN OUTLET--"" 'COMPRESSOR ._... PANEL 2.1(16 2' 187./7 (326 11 )1A•11!.11N P21D T, 72-1511! ; PANEL _..,, 1)-778 -_++ 73-118 ^-^ 718'!22.21 DEEP 1(28.11 '�)-11176 480/14 + 152-11 1352 41 1/52.41 X1.11tl t:3.77 11224 NI .13/16~ RIGHT SIDE VIEW REAR VIEW n1D17 LEFT SIDE VIEW FRONT VIEW 1 48VL500405 _