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Report (32) a. - 611? vx.et(5 Model 48NLT,NMT,NET,NHT,NVT extracts heat that conventional heat Unit design — Evaporator and con- units meet the California maximum exchangers allow to escape up the denser coils are computer-designed for oxides of nitrogen (NO„) emission flue. The heat exchanger is aluminized optimum heat transfer and cooling regulations. steel for corrosion resistance. efficiency. Condenser coil is fabricated Compressors are designed for high Direct-drive multispeed, PSC of copper tube and aluminum fins efficiency. Each compressor is hermeti- (permanent split capacitor) blower and is protected by a factory-installed cally sealed against contamination to motor on all models. coil guard. Vertical condenser fan help promote longer life and de- Direct-drive, PSC condenser-fan discharge carries sound and air up and pendable operation; vibration isolation motors are designed to help reduce away. provides quiet operation. All corn- energy consumption and provide Weatherized cabinets are con- pressors have internal high-pressure for cooling operation down to 55 F structed of heavy-duty, phosphated, and overcurrent protection. outdoor temperature. zinc-coated prepainted steel capable of Monoport inshot burners produce Refrigerant system is designed to withstanding 500 hours In salt spray. precise air-to-gas mixture which provide dependability. Liquid refriger- Interior surfaces of the evaporator/heat provides for clean and efficient corn- ant strainers are used to promote exchanger compartment are insulated bustion. The large monoport on the dean, unrestricted operation. Each to help keep the conditioned air inshot (or injection type) burners unit leaves the factory with a full from being affected by the outdoor seldom, if ever, needs cleaning. refrigerant charge. Refrigerant service ambient temperature. Four-pass heat exchangers — This connections make checking operat- design accelerates heat transfer and ing pressures easier. II (c 0 i+.( Il l)li,. Page Model Number Nomenclature . 2 ARI Capacities 3 Physical Data 4 Accessories 5,6 Base Unit Dimensions 7,8 Accessory Dimensions 9-11 . Selection Procedure . . . . 12 Performance Data 12-16 Typical Installation 16 Application Data 16 Typical Wiring Schematic 17 Electrical Data . . 18 Guide Specifications . .. .... .. . 19,20 11��i11(0)cj10(1 (11110.11(iriib( `)Ii" I1 i1()[i. lE''b lI(( {�E;.ai;l�Jili'� 48N LT 018 3 0 - Model No. T BI k t 48NT—Packaged Heating/ Cooling Unit Series Heat Level LT —Low MT—Medium V-Ph-Hz ET —Extended 3—208/230-1-60 HT—High 5—208/2303-60 VT —Very High 6—4603-60 Nominal Cooling Capacity 018—1 1/2 Tons 024 —2To1/2 T 030 —2 1/2 Tons 036 —3 Tons 042—31/2 Tons --�048—4 Tons 060—5 Tons 2 '` lit( C UNIT SIZE 48 NLT018 NLT024 I NHT024 r NLT030 LNMT090 1 NHT030 NLT038 NMT036 1 NET036 I NHT036 ( NVT036 NOMINAL CAPACITY{tori) 1�/�- 2 _ 21/i __ __ _3 &EA-AtMIG YYEIGHT(Ib) - 450 454 -[ 4-660 ..470 1-- 476 J 480 -486 I- 480 I- 490- I 530 I 536 _ 111 COMPRESSORS Reciprocating Hermetic,3500 Rpm OtsaREFRIGERANT' - R-22 REFRIGERANT METERING DEVICE AccuRater•Piston CONDENSER COIL - - - - --- -_-• - -"--- ---_ - -_- - - - Rows 1 2 FinsIn. 20 20 CONDENSER FAN - - Nominal Airflow(Cfm) 2000 2500 2 .. Nominal Speed(Rpm) 825 1100 t 110ptt Quantity..Diameter(in.) 1 20 Motor Hp(single-phase) 1/40 1/4 '/So (three-phase) - 1/4 I ,� EVAPORATOR COIL - - - - - --- - - • - - ----- - - Rows 3 Finsfln. 14 EVAPORATOR FAN _ - - Nominal Cfm 600 - 800 1000 1200 1200 Nominal Speed(Rpm) 1100 Diameter n.) 10x8 10x10 Motor Hp(single-phase) 1,6 ' ( 3/4 (three-phase) 1,4 3Y4 FURNACE SECTION - Burner Orifice No. ( ...drill size) 244 2 44 344 2 44 344 444 3 44 4...44 4..42 5 44 6 44 Gas Burner Orifice No. (Qty...drlli size) ) 255 255 355 255 355 4 55 3 55 4..55 4..54 5 55 6 55 Pilot OrificePrGaDiameter (In. sloe) 018 77 Natural Gas Pilot Orifice Diameter(In.) 009 Propane Gas RDisposable 288 528 FILTERS(aq in -Cleanable192 ._ _ .. . —- �I 352 6 720 UNIT SIZE 48 ' --r- -- I - _ _ NLT042 INMT0421NE'042 f NHT042 fNVT042 NLTI048 INf6T04t 0481NVT048 INLT060 INMT080 JNHT060 INVT060 11. ._ NOMINAL CAPACITY(ton) 31 4 5 illoi I OPERATING T 0E4 - -1 •496 -I -MI5_-I _b00 1- 550 j 558 - 574 580--_I -586 --J .588-- I- 804- -I -810--( -die r-.-6-6 COMPRESSORS Reciprocating Hermetic,3500 Rpm REFRIGERANT' -- - - - - RR--22 - -- - - - - --- - - --- - -.--- REFRIGERANT METERING DEVICE -, - AccuRatere Piston CONNoENSER cal - - - - - --- Rows 2 Finsfn. 20 CONDENSER FAN `- - — Nominal Speed(Nominal Airflow(Cfmpm)) 2500 I 3000 I 1100 3500 Quentfty-Di20 Motor Hp(ssfi le-phase) 1i 4L eter(in.) 1 1 (three-phase) 1 3'4 1 EVAPORATOR COIL Rows 3 4 Fins/in. ti:$ 14 EVAPORATOR FAN Nominal Cfm 1400 1600 2000 - Nominal 3450 Diameter x Speed_( ) 11000 x 10 Motor Hp rwng e- 1 14 (three-phase) tiV4 1 FURNACE SOTTO-FA - - •-- --- - - --- -.. -- - --- -- - - - - -- - Burner Orifice No. ( ...drIII ) 3 44 4 44 4 .42 6 44 6. 44 3 44 4 44 5 44 6 42 3 44 4..44 5 44 6 42 I Gas Burner Orifice No. ( ...drill abs) 3 55 4 55 4..54 5 55 6..55 3 55 4 55 5..55 6 54 3 55 4 55 5 55 6 54 Gas Pilot Diameter rall size) .018 .77 NatuPilot Orifice Diameter(in.) 009 Propane Gas - --- J -- --- - -- - --- - --- - - - - -- - - -RE FILTR (aq Ir%)r posable 720 960IIClaimable ___. _ . ____-_._ �_-� _.._._- _ - . -_ __.- . -Operating Marge is listed on unit nameplate "Single-phase units tRequired field-sufilter areas are based on the larger of the ARI-rated(Air ffThree-phase units Conditioning&Re Institute) ng airflow or the healing*flow at a velocity of 300 ft/min for disposable type or 450 fthnin for high-capacity type Air filter pressure drop must not exceed 0 08 in wg 4 I;:;D�` c:)<< 1''��l �l'i' fZ idl��1�Yi9llllC�lll�{)lit)�'� ((t<����I1i]i�E� LARGE-CABINET UNITS UNIT ELECTRICAL. OAT WO -- _c ORNR.l vrr '-- - 4tRRRT096..209/230.1.904.06/230.3.69,406/230.380,460-3.60 530 241 117/53 147/87 481137 118134 stenos 208%2.30-1.60,20N2949-80,4803.60 636 242 119/54 148/67 149,88 120/84 48NHT042 2081230-1-80 209/330-3.60,_460.360 560 249 _122/5,5_1 153/69 123/56 MINVT042 2011/230:1-604 2081230-3.60480.360 566 262 124156 163/89 154/70 _125/57 41I4LT046 408/290.1-60,208/230.3.60,,480.3-60 - 4 261 128/56 158/72 159/72_129/59 48NIAT048 208/230-1-80,20812309.80, (LI),263 130/59 169/72 160179 131/59 41N8046 208/230-1.60, -88,48030 SB 285 131/59 181/3 162/73 132/80 48NVT048 208/230-1.60,__205//_23_0-360,480_380 •. 265 _181 . 161!79 162/73 132/60 4810L7060 208/230-1-60,208/200.480,4603-80 604 274 136182 185/75 188/75 137/82 4814182060_206/230-1-60,206/230.3-60,460~460 610 138/83 166/75 167/78 139183 22/11T1 14 MI114 NH_46RNNT880 208/230-1-60 Z08/23034Q,4603-60 616 280 199/6:1 _168176 169/Y7_140,84 1 9/18" 46741/1'060 -1-60,208/230-3360,480.3-60 616 260 139/83 168/78 ioa177 140184 SB130.2 a a c _33.33 _.________.-_ _.. ._ .. . _.._ ._ -- -- - r r 1 Ydlf CAP----11 «14 f; REQUIRED CLEARANCES TO COMBUSTIBLE MATERIALS-In (mm) 7 15/16"j Maximum Extenelon of Overhang . 48(1219.2) " 201 6 Unit Top 36(914.4 • 71 2 Duca SW OI UI 6 mire (152.4 min Side Opposite Ducts 30(762 0 N Bolan of(Jiff .. 0 • � ���'441943 REQUIRED CLEARANCES FOR SERVICING-in (mm) Q-- ) 2 S 9nt"-« 14 7/6" 12 1/0- 14�/8�- +-6 7/0" 1�9 T• Blower Access Panel Side Control Access Side , 30(7620) 1410s»6� 9De.o9na 2254 NOTE:Clearances must be means/MO b prevent recirculation of air from con- I � i I I .-NETMei denser fan discharge SUPPLY I1 1 • 1 .-------- AIR 07BIINa AIR OP81110 . 1 Li P T A * * * * Q L2 9. 6 1 OF DUCT OF DUCT OPENING OPENING ti , 2 15/1ey.• 27"_. !28 6 685 8 56 16" 5712" 3w 1490 0 TOP VIEW jar DIA.WRIER BITRY) -7/P'DIA RONTRDL ENTRY) 8IA6! ' RAIN 91IB.D 22.2 DOOR ., i _44' ' \ OPTIONAL bPPLY OPTIONAL --MOUNT DISCONNECTM E BB AIR OPNO AIR OPENING * * } i/5 1 tuns' m Lir t7/" 330 2 42.8 .9 i7/ • �•��n � 14 211 t6' 5 o »-2 9/4" 444.5 1N.0 1 21 1/2- ---/ • /, 5421.1 Lir * 2 1/11- 486.0 L73.1 +-17 we ii 1H 17 3/8" 197 4-." r m-24 13,16- 2 sit--r+ ..w M1.9 Mu 441 3 S/4"tot 00.2 66.7 l EAR VIEW 19.0 aura=LET FRONT yip 6011 sr ACCESS DOOR * 11 - - ! 'IIIIIliIII11El1llilllEIIII ,4iIJIIJIIll1I1IIIIJJIllJI I ., IIIIIIIIIIiHIIIIIIIIJIJI I1 _6/4" III .._ 15/16" 1/2- 61. 0" 2-D. . - ACCESS 125.4 12.7 50.8 1100/ 1s✓I8' se DORY t 5 l/Y-14 NPI MS CONNECTION NuXIT„Lok rmit LEFT SIDE VIE/. 8 48TC Gas Heat/Electric Cooling Carrie Packaged Rooftop 3 to 15 Nominal Tons Product Data WeatherMaker® -rsX w�,�„'✓!� x�"�"� � $705';',1C • • CO8813 ' I � Fuson_ . „. Maw Ls,NI,tT ' Table 2-AHRI COOLING RATING TABLE NOM. NET UNIT COOLING CAPACITY COOLING TOTAL SEER EER IEER STAGES (TONS) CAPACITY POWER(KW) (MBH) A04 1 3 34.6 3.1 13.0 11.00 N/A -.- A05 1 4 45.0 4.0 13.0 11.00 N/A A06 1 5 59.0 5.5 13.0 10.75 N/A A07 1 6 70.0 6.4 N/A 11.00 11.2 A08 1 7.5 88.0 8.0 N/A 11.00 11.2 A09 1 8.5 97.0 8.8 N/A 11.00 11.2 Al2 1 10 117.0 10.6 N/A 11.00 11.2 NET IEER WITH IEER WITH COOLING NOM. COOLING TOTAL SINGLE SPEED 2 SPEED UNIT STAGES CAPACITY CAPACITY POWER EER INDOOR FAN INDOOR FAN (TONS) (MBH) ( MOTOR MOTOR D08 2 7.5 83.0 7.5 11.00 11.7 12.8 D09 2 8.5 97.0 9.0 11.00 11.2 12.8 D12 2 10 114.0 10.3 11.10 11.8 12.8 D14 2 12.5 140.0 12.9 10.80 11.0 11.8 D16 2 15 174.0 16.1 10.80 11.7 12.4 LEGEND NOTES: AHRI - Air Conditioning,Heating and Refrigeration 1. Rated hi accordance with AHRI Standard 210/240 or Institute Test Standard 340/360,as appropriate. ASHRAE - American Society of Heating,Refrigerating 2. Ratings are based on: and Air Conditioning,Inc. Cooling Standard:80°F(27°C)db,67°F(19°C) wb indoor EER - Energy Efficiency Ratio air temp and 95°F(35°C)db outdoor air temp. IEER - Integrated Energy Efficiency Ratio IEER Standard: A measure that expresses cooling part- N/A - Not Applicable load EER efficiency for commercial unitary air conditioning SEER - Seasonal Energy Efficiency Ratio and heat pump equipment on the basis of weighted opera- tion at various load capacities. 3. All 48TC units comply with ASHRAE 90.1 Energy Standard for minimum SEER and EER requirements. U , 4. 48TC units comply with US Energy Policy Act(2005).To eval- ® � �� - u �code compliance requirements, refer to state and local COMP OMB ta.dthe A1 Ce. .d TPA MIA Ydi Nes• meradatftees prY*n ionFo,In the program For mon of ma:a m toe Individual pmdda gob rwralrl0kadorY.a4 9 Kerkt u1a.Ci. Table 7-PHYSICAL DATA (COOLING) ,/ 3- 6 TONS 48TC*A04 48TC*A05 48TC*A06 48TC*A07 Refrigeration System #Circuits/#Comp./'type 1/1/Scroll 1/1/Scroll 1/1/Scroll 1/1/Scroll Puron®refrig.(R-410A)ribs-oz) 5-10 8-8 10-11 14-2 Humidi-MiZer Puron®refrig.charge NB(lbs-oz) 8-11 14-13 16-0 22-5 Metering Device Acutrol Acutrol Acutrol Acutrol High-press.Trip/Reset(psig) 630/505 630/505 630/505 630/505 Low-press.Trip/Reset(psig) 54/117 54/117 54/117 54/117 Compressor Capacity Staging(%) 100% 100% 100% 100% Evap.Coll Material(hobo/Fin) Cu/AI Cu/Al Cu/Al Cu/Al Coil type 3/8-in RTPF 3/8-in RTPF 3/8-in RTPF 3/8-In RTPF Rows/FPI 2/15 2/15 4/15 4/15 Total Face Area(ft2) 5.5 5.5 5.5 7.3 Condensate Drain Conn.Size 3/4-in 3/4-in 3/4-in 3/4-in Evap.Fan and Motor 8 Motor Qty/Drive Type 1/Belt 1/Belt 1/Belt - g m Max BHP 1.2 1.2 1.2 - I RPM Range 560-854 560-854 770-1175 - v 0 Motor Frame Size 48 48 48 - s Fan Qty/Type 1/Centrifugal 1/Centrifugal 1/Centrifugal - o Fan Diameter(n) 10 x 10 10 x 10 10 x 10 - Motor Qty/Drive Type 1/Belt 1/Boit 1/Belt - N013 Max BHP 1.2 1.2 1.5 E RPM Range 770-1175 770-1175 1035-1466 7 n Motor Frame Size 48 48 56 - 1'- Fan Qty/Type 1/Centrifugal 1/Centrifugal 1/Centrifugal - Fan Diameter(n) 10x 10 10x 10 10 x 10 - Motor Qty/Drive Type 1/Belt 1/Belt 1/Belt 1/Belt S m Max BHP 1.2 1.2 1.5 2.4 -o RPM Range 560-854 560-854 770-1175 1073-1457 t Motor Frame Size 48 48 48 56 4 �' Fan Oty/Type 1/Centrifugal 1/Centrifugal 1/Centrifugal 1/Centrifugal Fan Diameter(in) 10x 10 10 x 10 10x 10 10 x 10 Motor Qty/Drive Type 1/Belt 1/Belt 1/Belt 1/Belt 11 Max BHP 1.2 1.2 2.4 2.9* o § RPM Range 770-1175 770-1175 1035-1466 1173-1518 'tai Motor Frame Site 48 48 56 56 " FanaY/Type1/Centrifugal 1/Centrifugal 1/Centrifugal 1/Centrifugal Fan Diameter(in) 10 x 10 10 x 10 10 x 10 10 x 10 Motor Qty/Drive Type 1/Belt 1/Belt 1/Belt 1/Belt o Max BHP 2.4 2.4 2.9 3.7 RPM Range 1035-1466 1035-1466 1303-1687 1474-1788 t,� Motor Frame Size 56 56 56 56 * " Fan Oty/Type 1/Centrifugal 1/Centrifugal 1/Centrifugal 1/Centrifugal Fan Diameter(n) 10 x 10 10x 10 10x 10 10 x 10 Cond.Coll Material(TUbe/Fin) Cu/AI Cu/AI Cu/Al Cu/Al Coil type 3/8-in RTPF 3/8-in RTPF 3/8-h1 RTPF 3/8-in RTPF Rows/FPI 1/17 2/17 2/17 2/17 Total Face Area(ft2) 14.6 16.5 16.5 21.3 Humid-Maur Coil Material(TUbe/Fln) Cu/Al Cu/Al Cu/Al Cu/Al Rows..Fms/in. 1/17 2/17 2/17 2/17 Tbtal Face Area(ft2) 3.9 3.9 3.9 5.2 Cond.fan/motor Qty/Motor Drive Type 1/Direct 1/Direct 1/Direct 1/Direct Motor HP/RPM 1/4/1100 1/4/1100 1/4/1100 1/4/1100 Fan diameter On) 22 22 22 22 Filters RAFIIter# /Size(in) 2/16x25x2 2/16x25x2 2/16x25x2 4/16x16x2 OAlnletscreen#/Size(in) 1/20x24x1 1/20x24x1 1/20x24x1 1/20x24x1 NOTE:Humidi-MiZer is not available with Novation condenser coil models,only Round Tube/Plate An(RTPF). * 575V motor utilizes 3.7 BHP. - Not applicable 13 N,eNkl V ISLtT$, CURBS, WEIGHTS & DIMENSIONS T. DS: 18181 T 33-3/8 t. INMI 1 AREA IN MILLIMETERDIMENSIONS 2. 53, CENTER OF GRAVITY 32-Ill ECONOMIZER 1000 a (8181 (OPTIONAL) 16 3.MO.DIRECTION Or AIR FLOW 14061 I11 F �. i .10. � 25-5/8 10.7/8 r ( .----- ---..- RETURNAIR 12171 RETURN 44 11\1\ ��,i- r, ,. } } AIR 211177 VA /. 0�' � E ALT. -� y ••1 I. CONDENSATE 17-3/4 1 DRAIN OPENING 14511 IN BASEPAN SUPPLY 26.1/2 29-3/8 18-1/8 Z AIR 18131 17111 SUPPLY 14591 I AIR 16-1/8 1/-1/4 12-1// i q (4111 (3631 13121 ) SEE TRU TUE 6 I/1 -� 1 + R BASE CHART_ 1511 S3851- /8 12-118 1 [3071 (6361 —~ - 11001 100D . - 18-1/2 TOP 14701 10-1/2 1.111 12651 1321 1--- 8 1-S/Q 1118) I CONDENSATE ILTER • LECTRICAL DRAIN I • — I DISCONNECT 1 LOCATION 25.1/87 _ OUTSIDE CONDENSER 16-311 RETURN 14271 / AIR COIL _ -.A• 128918 SUPPLY/AIR r AIR - • i -I . 0 1 _-- I Ili 213911 OPTIONAL _ FACTORY I -_ , IN 19-1/2 8-118 ��� INSTALLED 11551 ���•��� CURBS, WEIGHTS & DIMENSIONS (cont.) STD. UNIT CORNER CORNER CORNER CORNER C.G. HEIGHT UNIT WEIGHT WEIGHT (A) WEIGHT (B) WEIGHT (C) WEIGHT (D) LBS. KG. LBS. KG. _LBS. KG. LBS. KG. LBS. KG. I Y 7 48TC-A04 3 219 111 50 125 57 131 59 116 53 39 [991] 23 1584] 16 3/8 1416) .....91b 48TC-A05 537 244 124 56 139 63 145 66 129 59 39 [9911 23 (5841 17 1432] 481C-A06 569 258 131 59 147 67 154 70 137 62 39 [9911 23 [5841 17 1/4 [438) 481C-A07 652 296 150 68 169 76 176 80 157 71 39 [991] 23 15841 20 1/8 1511 *STANDARD UNIT WEIGHT IS WITH LOW HEAT 8 WITHOUT PACKAGING. FOR OPTIONS 8 ACCESSORIES, REFER TO THE PRODUCT DATA CATALOG. CORNER A CORNER B — • 1!(, 1111�� �/� ( -` .I . • • , t ei, IIii!IIL : 0o 'ice" '=-: : ooh 1 CORNER D I CORNER C FRONT x TOP A10485A Fig.2-Dimensions 48TC 04-07 44 111111111 11111 .41100. 008337 Fig.3- Service Clearance LOC DIMENSION CONDITION 48-in(1219 mm) Unit disconnect is mounted on panel A 18-in(457 mm) No disconnect,convenience outlet option 18-in(457 mm) Recommended service clearance 12-in(305 mm) Minimum clearance 42-in(1067 mm) Surface behind servicer is grounded(e.g.,metal,masonry wall) B 36-in(914 mm) Surface behind servicer is electrically non-conductive(e.g.,wood,fiberglass) Special Check for sources of flue products within 10-ft of unit fresh air intake hood C 36-In(914 mm) Side COndensate drain is used 18-in(457 mm) Minimum clearance 48-in(1219 mm) No flue discharge accessory installed,surface is combustible material D 42-in(1067 mm) Surface behind servicer is grounded(e.g.,metal,masonry wall,another unit) 36-In(914 mm) Surface behind servicer is electrically non-conductive(e.g.,wood,fiberglass) Special Check for adjacent units or building fresh air intakes within 10-ft of this units flue outlet NOTE: Unit not designed to have overhead obstruction.Contact Application Engineering for guidance on any application planning overhead obstruction or vertical clearances. 20