Carrier WeatherMaker 48TC Series Product Data
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Carrier WeatherMaker 48TC Series Product Data

Carrier gas heat/electric cooling packaged rooftop 3 to 15 nominal tons
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See also: User's Information Manual , Instruction and Installation Manual
48TC
Gas Heat/Electric Cooling
Packaged Rooftop
3 to 15 Nominal Tons

Product Data

C08613
the environmentally sound refrigerant

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Brandon
January 28, 2025

What tonnage is 48TCFA07A2A5A0A0A0

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1 comments:
Mr. Anderson
February 10, 2025

The Carrier WeatherMaker 48TCFA07 model falls under the "48TC07" category, which corresponds to a unit with a nominal tonnage of 7 tons**.

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William Zanta
February 14, 2025

WHAT TONAGE IS 48TCDD30A2M6AOGO

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Summary of Contents for Carrier WeatherMaker 48TC Series

  • Page 1: Product Data

    48TC Gas Heat/Electric Cooling Packaged Rooftop 3 to 15 Nominal Tons Product Data C08613 the environmentally sound refrigerant...
  • Page 2 Most low voltage connections are made to the same board and make it easy to find what you’re looking for and easy to access it. Carrier rooftops have high and low pressure switches, a filter drier, and 2- - in (51mm)

  • Page 3: High

    S Up to 28% lighter than similar industry units. Lighter rooftops make easier replacement jobs. S Utility connections are the same because 3 - - 12.5 ton units fit on existing Carrier rooftop curbs. This saves time and money on replacement jobs.

  • Page 4: Model Number Nomenclature

    MODEL NUMBER NOMENCLATURE 11 12 13 15 16 17 18 Packaging and Seismic Compliant 0 = Standard 1 = LTL Unit Heat Type 3 = CA Seismic Compliant 48 – Gas Heat 4 = LTL and CA Seismic Compliant Label Packaged Rooftop Electrical Options...
  • Page 5 Table 1 – FACTORY- - INSTALLED OPTIONS AND FIELD- - INSTALLED ACCESSORIES FACTORY FIELD CATEGORY ITEM INSTALLED INSTALLED OPTION ACCESSORY Thru ---the ---base electrical or gas---line connections Supply Duct Cover (16 size only) Cabinet California Seismic Compliant Labeling Hinged Access Panels 1, 6 Cu/Cu indoor and/or outdoor coils 1, 6...
  • Page 6 Carrier smoke detectors immediately shut down the rooftop unit when smoke is The new Carrier 2- - position, motorized outdoor air damper detected. They are available, installed by the factory, for admits up to 100% outside air. Using reliable, gear- - driven supply air, return air, or both.
  • Page 7 Carrier’s Staged Air Volume (SAV) system saves energy and installation time by utilizing a Variable Frequency The winter start kit by Carrier extends the low ambient Drive (VFD) to automatically adjust the indoor fan motor limit of your rooftop to 25_F (- - 4_C). The kit bypasses the speed in sequence with the units cooling operation.
  • Page 8 Some applications need larger horsepower motors, some need more airflow, and some need both. Regardless of the case, your Carrier expert has a factory installed combination to meet your application. A wide selection of motors and pulleys (drives) are available, factory...
  • Page 9 3. All 48TC units comply with ASHRAE 90.1 Energy Standard for minimum SEER and EER requirements. 4. 48TC units comply with US Energy Policy Act (2005). To eval- uate code compliance requirements, refer to state and local codes.
  • Page 10 Table 3 – HEATING RATING TABLE - - NATURAL GAS & PROPANE AL/SS HEAT EXCHANGER THERMAL TEMP RISE AFUE UNITS GAS HEAT EFFICIENCY INPUT / OUTPUT INPUT / OUTPUT (DEG F) STAGE 1 (MBH) STAGE 2 (MBH) 72 / 56 25 --- 55 79.1% 115 / 89...
  • Page 11 3. A--- weighted sound ratings filter out very high and very low frequencies, to better approximate the response of “average” human ear. A--- weighted measurements for Carrier units are taken in accordance with AHRI standard 270--- 2008.
  • Page 12 COOLING AL HX HEATING SS HX HEATING HEAT UNIT MINIMUM MAXIMUM MINIMUM MAXIMUM MINIMUM MAXIMUM LEVEL 2190 2190 1000 1550 1000 1550 48TC**04 1500 HIGH 2190 2190 1330 2460 1330 2460 48TC**05 1200 2000 HIGH 1390 2220 1390 2220 2730...
  • Page 13 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 Puronr refrig.
  • Page 14 Table 8 – PHYSICAL DATA (HEATING) 3 - - 6 TONS 48TC**04 48TC**05 48TC**06 48TC**07 Gas Connection # of Gas Valves Nat. gas supply line press (in. w.g.)/ (PSIG) 4 --- 13 / 0.18 --- 0.47 4 --- 13 / 0.18 --- 0.47 4 --- 13 / 0.18 --- 0.47...
  • Page 15 Table 9 – PHYSICAL DATA (COOLING) 7.5 - - 8.5 TONS 48TC*A08 48TC*D08 48TC*A09 48TC*D09 Refrigeration System # Circuits / # Comp. / Type 1 / 1 / Scroll 2 / 2 / Scroll 1 / 1 / Scroll 2 / 2 / Scroll...
  • Page 16 Table 10 – PHYSICAL DATA (COOLING) 10 - - 15 TONS 48TC*A12 48TC*D12 48TC*D14 48TC*D16 Refrigeration System # Circuits / # Comp. / Type 1 / 1 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll...
  • Page 17 Table 11 – PHYSICAL DATA (HEATING) 7.5 - - 10 TONS 48TC**08 48TC**09 48TC**12 Gas Connection # of Gas Valves Nat. gas supply line press (in. w.g.)/ (PSIG) 4 --- 13 / 0.18 --- 0.47 4 --- 13 / 0.18 --- 0.47 4 --- 13 / 0.18 --- 0.47...
  • Page 18 Table 12 – PHYSICAL DATA (HEATING) 12.5 - - 15TONS 48TC**14 48TC**16 Gas Connection # of Gas Valves Nat. gas supply line press (in. w.g.)/ (PSIG) 4 --- 13 / 0.18 --- 0.47 5 --- 13 / 0.18 --- 0.47 LP supply line press (in.
  • Page 19 FITTINGS FOR ONLY X,Y, & Z ARE PROVIDED 2 1/2 " [64] DIA POWER SUPPLY KNOCK-OUT SELECT EITHER 3/4" OR 1/2" FOR POWER, DEPENDING ON WIRE SIZE (001) PROVIDES 3/4" FPT THRU CURB FLANGE & FITTING. A10484 Fig. 1 - - Dimensions 48TC 04- -07...
  • Page 20 20 1/8 [511] CORNER B CORNER A FRONT CORNER D CORNER C A10485A Fig. 2 - - Dimensions 48TC 04- -07 C08337 Fig. 3 - - Service Clearance DIMENSION CONDITION 48--- in (1219 mm) Unit disconnect is mounted on panel...
  • Page 21 CURBS, WEIGHTS & DIMENSIONS (cont.) C14147 Fig. 4 - - Roof Curb Details - - 48TC 04- -07...
  • Page 22 CURBS, WEIGHTS & DIMENSIONS (cont.) C10298A Fig. 5 - - Dimensions 48TC 08- -12...
  • Page 23 CURBS, WEIGHTS & DIMENSIONS (cont.) C10299 Fig. 6 - - 48TC 08- -12 C11247 Fig. 7 - - Service Clearance DIMENSION CONDITION 48--- in (1219 mm) Unit disconnect is mounted on panel 36--- in (914 mm) If dimension--- B is 12--- in (305 mm)
  • Page 24 CURBS, WEIGHTS & DIMENSIONS (cont.) C14148 Fig. 8 - - Roof Curb Details 48TC 08- -14...
  • Page 25 CURBS, WEIGHTS & DIMENSIONS (cont.) A14149 Fig. 9 - - Dimensions 48TC 14...
  • Page 26 CURBS, WEIGHTS & DIMENSIONS (cont.) C14150 Fig. 10 - - Dimensions 48TC 14 C08337 Fig. 11 - - Service Clearance DIMENSION CONDITION 48--- in (1219 mm) Unit disconnect is mounted on panel 36--- in (914 mm) If dimension--- B is 12--- in (305 mm)
  • Page 27 CURBS, WEIGHTS & DIMENSIONS (cont.) C14151 Fig. 12 - - Dimensions 48TC 16...
  • Page 28 CURBS, WEIGHTS & DIMENSIONS (cont.) C14152 Fig. 13 - - Dimensions 48TC 16 C10578B Fig. 14 - - Service Clearance DIMENSION CONDITION 48--- in (1219 mm) Unit disconnect is mounted on panel 18--- in (457 mm) No disconnect, convenience outlet option...
  • Page 29 CURBS, WEIGHTS & DIMENSIONS (cont.) C10772B Fig. 15 - - Roof Curb Details 48TC 16...
  • Page 30 OPTIONS & ACCESSORY WEIGHTS OPTION / ACCESSORY WEIGHTS OPTION / ACCESSORY Humidi ---MiZer 50 23 50 23 50 23 55 25 80 36 80 36 80 36 85 39 90 41 Power Exhaust --- vertical 50 23 50 23 50 23 50 23 74 34 74 34 74 34 74 34 103 47 Power Exhaust --- horizontal 30 14 30 14 30 14 30 14 30 14 30 14 30 14 30 14 75 34 EconoMi$er(IV, X or 2)

  • Page 31: Application Data

    115_F (46_C). While cooling operation above 115_F (46_C) may be possible, it could cause either a Due to internal design of Carrier units, the air path, and reduction in performance, reliability, or a protective action specially designed motors, the full horsepower (maximum by the unit’s internal safety devices.
  • Page 32 VFD will allow operation to 2/3rd of total cfm. Rather than oversizing an air conditioner, engineers The VFD used in Carrier’s SAV system has soft start should “right size” or even slightly undersize air capabilities to slowly ramp up the speeds, thus eliminating conditioners.
  • Page 33 Fan motor heat = 2.546* BHP/Motor Eff. Refrig. tons = 72.0 / 12 = 6.0 tons Fan motor heat = 4.9 MBH In this case, start by looking at the 48TC**07. XI. Calculate RTU heating capacity. III. Look up the rooftop’s TC and SHC.
  • Page 34 Table 13 – COOLING CAPACITIES 1- - STAGE COOLING 3 TONS AMBIENT TEMPERATURE 48TC*A04 (RTPF) EAT (db) EAT (db) EAT (db) EAT (db) 28.1 28.1 31.7 26.3 26.3 29.8 24.5 24.5 27.7 22.6 22.6 25.5 24.4 28.1 31.7 22.9 26.3 29.8...
  • Page 35 Table 14 – COOLING CAPACITIES 1- - STAGE COOLING 3 TONS 48TC04 (3 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE Air Entering Evaporator --- CFM 80 dry bulb 80 dry bulb 80 dry bulb Temp (F) Air Ent 72 wet bulb 67 wet bulb 62 wet bulb...
  • Page 36 Table 15 – COOLING CAPACITIES 1- - STAGE COOLING 4 TONS AMBIENT TEMPERATURE 48TC*A05 (RTPF) EAT (db) EAT (db) EAT (db) EAT (db) 36.1 36.1 40.7 34.3 34.3 38.6 31.5 36.1 40.7 29.9 34.3 38.6 43.1 43.1 43.1 40.8 40.8 40.8...
  • Page 37 Table 16 – COOLING CAPACITIES 1- - STAGE COOLING 4 TONS 48TC05 (4 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE Air Entering Evaporator --- CFM 80 dry bulb 80 dry bulb 80 dry bulb Temp (F) Air Ent 72 wet bulb 67 wet bulb 62 wet bulb...
  • Page 38 Table 17 – COOLING CAPACITIES 1- - STAGE COOLING 5 TONS AMBIENT TEMPERATURE 48TC*A06 (RTPF) EAT (db) EAT (db) EAT (db) EAT (db) 52.9 52.9 60.0 49.9 49.9 56.6 46.6 46.6 52.9 43.1 43.1 48.9 45.8 52.9 60.0 43.2 49.9 56.6...
  • Page 39 Table 18 – COOLING CAPACITIES 1- - STAGE COOLING 5 TONS 48TC06 (5 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE Air Entering Evaporator --- CFM 80 dry bulb 80 dry bulb 80 dry bulb Temp (F) Air Ent 72 wet bulb 67 wet bulb 62 wet bulb...
  • Page 40 Table 19 – COOLING CAPACITIES 1- - STAGE COOLING 6 TONS AMBIENT TEMPERATURE 48TC*A07 (RTPF) EAT (db) EAT (db) EAT (db) EAT (db) 64.9 64.9 73.3 62.1 62.1 70.0 58.9 58.9 66.4 55.6 55.6 62.7 56.6 64.9 73.3 54.1 62.1 70.0...
  • Page 41 Table 20 – COOLING CAPACITIES 1- - STAGE COOLING 6 TONS 48TC07 (6 TONS) --- UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE Air Entering Evaporator --- CFM 80 dry bulb 80 dry bulb 80 dry bulb Temp (F) Air Ent 72 wet bulb 67 wet bulb 62 wet bulb...
  • Page 42 Table 21 – COOLING CAPACITIES 1- - STAGE COOLING 7.5 TONS AMBIENT TEMPERATURE 48TC*A08 (RTPF) EAT (db) EAT (db) EAT (db) EA (db) 81.2 81.2 91.8 77.5 77.5 87.7 73.6 73.6 83.3 69.5 69.5 78.7 70.5 81.2 91.8 67.3 77.5 87.7...
  • Page 43 Table 22 – COOLING CAPACITIES 2- - STAGE COOLING 7.5 TONS AMBIENT TEMPERATURE 48TC*D08 (RTPF & Novation) EAT (db) EAT (db) EAT (db) EA (db) 77.4 77.4 87.8 73.8 73.8 83.8 70.1 70.1 79.5 66.0 66.0 74.9 66.9 77.4 87.8 63.9...
  • Page 44 Table 23 – COOLING CAPACITIES 2- - STAGE COOLING 7.5 TONS 48TC08 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE AIR ENTERING EVAPORATOR --- CFM 2250/0.05 3000/0.07 3750/0.09 TEMP (F) AIR ENT CONDENSER (Edb) Air Entering Evaporator --- Ewb (F) 103.05 93.02 83.60...
  • Page 45 Table 24 – COOLING CAPACITIES 1- - STAGE COOLING 8.5 TONS AMBIENT TEMPERATURE 48TC*A09 (RTPF) EAT (db) EAT (db) EAT (db) EAT (db) 88.1 88.1 99.9 84.1 84.1 95.3 79.6 79.6 90.3 74.9 74.9 84.9 76.4 88.1 99.9 72.8 84.1 95.3...
  • Page 46 Table 25 – COOLING CAPACITIES 2- - STAGE COOLING 8.5 TONS AMBIENT TEMPERATURE 48TC*D09 (RTPF) EA (dB) EA (dB) EA (dB) EA (dB) 89.7 89.7 101.6 85.2 85.2 96.5 79.6 79.6 90.1 73.8 73.8 83.6 77.8 89.7 101.6 73.9 85.2 96.5...
  • Page 47 Table 26 – COOLING CAPACITIES 2- - STAGE COOLING 8.5 TONS 48TC09 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE AIR ENTERING EVAPORATOR --- CFM 2550/0.04 3400/0.05 4250/0.07 TEMP (F) AIR ENT CONDENSER (Edb) Air Entering Evaporator --- Ewb (F) 119.20 107.44 96.41...
  • Page 48 Table 27 – COOLING CAPACITIES 1- - STAGE COOLING 10 TONS AMBIENT TEMPERATURE 48TC*A12 (RTPF) EAT (db) EAT (db) EAT (db) EAT (db) 106.3 106.3 120.5 101.7 101.7 115.2 96.6 96.6 109.4 91.0 91.0 103.1 92.2 106.3 120.5 88.2 101.7 115.2...
  • Page 49 Table 28 – COOLING CAPACITIES 2- - STAGE COOLING 10 TONS AMBIENT TEMPERATURE 48TC*D12 (RTPF & Novation) EAT (db) EAT (db) EAT (db) EAT (db) 107.6 107.6 121.9 102.5 102.5 116.2 96.8 96.8 109.7 90.5 90.5 102.6 93.2 107.6 121.9 88.8...
  • Page 50 Table 29 – COOLING CAPACITIES 2- - STAGE COOLING 10 TONS 48TC12 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE AIR ENTERING EVAPORATOR --- CFM 3000/0.04 4000/0.06 5000/0.07 TEMP (F) AIR ENT CONDENSER (Edb) Air Entering Evaporator --- Ewb (F) 142.85 129.44 116.93...
  • Page 51 Table 30 – COOLING CAPACITIES 2- - STAGE COOLING 12.5 TONS AMBIENT TEMPERATURE 48TC*D14 (RTPF & Novation) EAT (db) EAT (db) EAT (db) EAT (db) 127.6 127.6 142.9 121.7 121.7 137.6 115.0 115.0 108.3 108.3 122.6 110.3 126.6 142.9 105.8 121.7...
  • Page 52 Table 31 – COOLING CAPACITIES 2- - STAGE COOLING 12.5 TONS 48TC14 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE AIR ENTERING EVAPORATOR --- CFM 3750/0.02 5000/0.06 6250/0.05 TEMP (F) AIR ENT CONDENSER (Edb) Air Entering Evaporator --- Ewb (F) 183.66 166.86 151.43...
  • Page 53 Table 32 – COOLING CAPACITIES 2- - STAGE COOLING 15 TONS Ambient Temperature 48TC*D16 (RTPF) EA (dB) EA (dB) EA (dB) EA (dB) 156.6 156.6 175.2 149.4 149.4 169.1 141.6 141.6 160.2 133.3 133.3 150.9 134.7 154.9 175.2 129.8 149.4 169.1...
  • Page 54 15.38 14.88 15.88 15.65 15.10 16.12 15.84 15.54 48TC*E 16 COOLING CAPACITIES, HOT GAS REHEAT MODE AIR ENTERING EVAPORATOR --- Ewb (F) 75 Dry Bulb 75 Dry Bulb 75 Dry Bulb 62.5 Wet Bulb 64 Wet Bulb 65.3 Wet Bulb...
  • Page 55 Table 34 – STATIC PRESSURE ADDERS (IN. WG) (FACTORY OPTIONS AND/OR ACCESSORIES) Humidi- - MiZer 3---6 TONS 1000 1250 1500 1750 2000 2250 2500 2750 3000 3 Tons 0.04 0.052 0.07 4 Tons 0.106 0.138 0.172 0.21 5 Tons 0.138 0.172 0.21 0.252...
  • Page 56 ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE Vertical Application VERTICAL ECONOMIZER 3000 2500 Vertical Economizers 2500 2000 2000 1500 3 -6 Ton 1500 7½ - 12½ Ton 1000 1000 0.05 0.15 0.25 RETURN DUCT STATIC PRESSURE (in. wg) RETURN DUCT STATIC PRESSURE DROP (in. wg) 3-6 TON C11238 C08073...
  • Page 57 ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE (cont.) Horizontal Application HORIZONTAL ECONOMIZER 3000 2500 Horizontal Economizers 2500 2000 2000 1500 3 -6 Ton 1500 7½ - 12½ Ton 1000 1000 0.05 0.15 0.25 RETURN DUCT STATIC PRESSURE (in. wg) RETURN DUCT STATIC PRESSURE DROP (in. wg) 3 - 6 TON C11239 C08070...
  • Page 58 5. For information on the electrical properties of Carrier motors, please see the Electrical information section of this book. 6. For more information on the performance limits of Carrier motors, see the application data section of this book. 7. The EPACT (Energy Policy Act of 1992) regulates energy requirements for specific types of indoor fan motors. Mo-...

  • Page 59: Fan Performance

    FAN PERFORMANCE Table 35 – 48TC**04 1 PHASE 3 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Field Supplied Drive Standard Static Option Medium Static Option 0.14 0.22 0.32 0.42 0.53 0.16 0.25 0.35 0.46 0.57 1050 0.18 0.28 0.38...
  • Page 60 FAN PERFORMANCE (cont.) Table 37 – 48TC**04 3 PHASE 3 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Field Supplied Drive Standard Static Option Medium Static Option 0.14 0.22 0.32 0.42 0.53 0.16 0.25 0.35 0.46 0.57 1050 0.18 0.28...
  • Page 61 FAN PERFORMANCE (cont.) Table 39 – 48TC**05 1 PHASE 4 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Standard Static Option Medium Static Option 1200 0.23 0.34 0.46 0.58 1020 0.71 1300 0.28 0.40 0.52 0.65 1044 0.78 1400 0.33...
  • Page 62 FAN PERFORMANCE (cont.) Table 41 – 48TC**05 3 PHASE 4 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Standard Static Option Medium Static Option 1200 0.23 0.34 0.46 0.58 1020 0.71 1300 0.28 0.40 0.52 0.65 1044 0.78 1400 0.33...
  • Page 63 FAN PERFORMANCE (cont.) Table 43 – 48TC**06 1 PHASE 5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Standard Static Option 1500 0.39 0.49 0.60 1087 0.72 1169 0.85 1625 0.48 0.59 1038 0.70 1122 0.83 1201 0.96 1750 0.59...
  • Page 64 FAN PERFORMANCE (cont.) Table 45 – 48TC**06 3 PHASE 5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Standard Static Option 1500 0.39 0.49 0.60 1087 0.72 1169 0.85 1625 0.48 0.59 1038 0.70 1122 0.83 1201 0.96 1750 0.59...
  • Page 65 FAN PERFORMANCE (cont.) Table 47 – 48TC**07 3 PHASE 6 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Field Supplied Drive Standard Static Option 1800 0.64 1010 0.80 1098 0.98 1178 1.16 1252 1.35 1950 0.78 1065 0.96 1148 1.14...
  • Page 66 FAN PERFORMANCE (cont.) Table 49 – 48TC**08 3 PHASE 7.5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Standard Static Option Medium Static Option 2250 0.52 0.73 0.97 1.22 1.50 2438 0.62 0.85 1.09 1.36 1.65 2625 0.74 0.98 1.23...
  • Page 67 FAN PERFORMANCE (cont.) Table 51 – 48TC**09 3 PHASE 8.5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Field---Supplied Drive Standard Static Option Medium Static Option 2550 0.48 0.61 0.75 0.90 1.05 2763 0.58 0.72 0.87 1.03 1.19 2975 0.70...
  • Page 68 FAN PERFORMANCE (cont.) Table 53 – 48TC**12 3 PHASE 10 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Field Supplied Drive Standard Static Option Medium Static Option 3000 0.70 0.89 1.09 1.29 1.50 3250 0.85 1.06 1.27 1.49 1.71 3500 1.03...
  • Page 69 FAN PERFORMANCE (cont.) Table 55 – 48TC**14 3 PHASE 12.5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) Standard Static Option Medium Static Option 3438 0.98 1.20 1.43 1.65 1.88 3750 1.23 1.47 1.71 1.96 2.21 4063 1.52 1.78 2.04...
  • Page 70 FAN PERFORMANCE (cont.) Table 57 – 48TC**16 3 PHASE 15 TON HORIZONTAL SUPPLY Available External Static Pressure (in. wg) 4500 0.97 1.23 1.50 1.80 2.13 4875 1.19 1.47 1.75 2.06 2.39 5250 1.43 1.73 2.03 2.35 2.69 5625 1.71 2.03 2.35...
  • Page 71 FAN PERFORMANCE (cont.) Table 59 – PULLEY ADJUSTMENT MOTOR PULLEY TURNS OPEN (RPM) MOTOR/DRIVE UNIT COMBO Standard Static Medium Static 1175 1135 1094 1054 1013 High Static Standard Static Medium Static 1175 1135 1094 1054 1013 High Static 1466 1423 1380 1337 1294...
  • Page 72 ELECTRICAL INFORMATION Table 60 – 48TC**04 SINGLE STAGE COOLING WITH SINGLE SPEED INDOOR FAN MOTOR 3 TONS VOLTAGE COMP (ea) OFM (ea) RANGE V ---Ph---Hz EFF at WATTS TYPE Full Load 208--- 1--- 60 16.6 230--- 1--- 60 16.6 208--- 3--- 60 10.4...
  • Page 73 25.0 HIGH 12.7 460--- 3--- 60 12.2 HIGH 575--- 3--- 60 HIGH Table 65 – 48TC**D08 2- - STAGE COOLING WITH SINGLE SPEED INDOOR FAN MOTOR 7.5 TONS VOLTAGE COMP (Cir 1) COMP (Cir 2) OFM (ea) RANGE V ---Ph---Hz...
  • Page 74 ELECTRICAL INFORMATION cont. Table 66 – 48TC*D08 2- - STAGE COOLING WITH 2 SPEED INDOOR FAN MOTOR 7.5 TONS VOLTAGE COMP 1 COMP 2 OFM (ea) RANGE V ---Ph---Hz EFF at WATTS TYPE Full Load 0.84 0.85 208--- 3--- 60 13.6...
  • Page 75 ELECTRICAL INFORMATION cont. Table 69 – 48TC*D09 2- - STAGE COOLING WITH 2 SPEED INDOOR FAN MOTOR 8.5 TONS VOLTAGE COMP 1 COMP 2 OFM (ea) RANGE V ---Ph---Hz EFF at WATTS TYPE Full Load 0.84 0.77 208--- 3--- 60 14.5...
  • Page 76 ELECTRICAL INFORMATION) cont. Table 72 – 48TC*D12 2- - STAGE COOLING WITH 2 SPEED INDOOR FAN MOTOR 10 TONS VOLTAGE COMP 1 COMP 2 OFM (ea) RANGE V ---Ph---Hz EFF at WATTS TYPE Full Load 0.77 0.82 10.8 208--- 3--- 60 15.6...
  • Page 77 ELECTRICAL INFORMATION cont. Table 75 – 48TC*D16 2- - STAGE COOLING WITH SINGLE SPEED INDOOR FAN MOTOR 15 TONS VOLTAGE COMP (Cir 1) COMP (Cir 2) OFM (ea) RANGE V ---Ph---Hz EFF at WATTS TYPE Full Load 10.6 208--- 3--- 60 25.0...

  • Page 85: Sequence Of Operation

    EconoMi$er IV and X control to provide a 50_F (10_C) to NOTE: WeatherMaker (48TC) units have either 1 or 2 55_F (13_C) mixed air temperature into the zone. As the stages of gas heat. When SAV system is utilized, indoor...
  • Page 86 SEQUENCE OF OPERATION (cont.) If the unit is occupied and the fan is on, the damper will Heating operate at minimum position. Otherwise, the damper will The sequence of operation for the heating is the same as be closed. an electromechanical unit with no economizer. The only If field installed accessory CO sensors are connected to difference is how the economizer acts.
  • Page 87 SEQUENCE OF OPERATION (cont.) DSVx INDOOR LEAVING VALVE REHEAT MODE METERING DEVICE (TXV) CONDENSER COIL HUMIDI-MIZER COIL OUTDOOR AIR CSVx VALVE COMPRESSOR EVAPORATOR COIL ACUTROL = CLOSED VALVE METERING DEVICE = OPEN VALVE INDOOR ENTERING C12647 Normal Cooling Mode - - Humidi- -MiZer System with Single Stage Cooling DSVx INDOOR LEAVING VALVE...
  • Page 88 Carrier technician tool, an EIA- - 485 port for network communication to intelligent space sensors and displays, and a port to connect an optional LonWorks plug- - in communications card. 12. Shall have built- - in Carrier Comfort Networkt (CCN) protocol, and be compatible with other CCN devices, including ComfortLinkt and ComfortVIEWt controllers.
  • Page 89 13. Shall include an EIA- - 485 protocol communication port, an access port for connection of either a computer or a Carrier technician tool, an EIA- - 485 port for network communication to intelligent space sensors and displays, and a port to connect an optional LonWorks communications card.
  • Page 90 23 81 19 Self- - Contained Air Conditioners 23 81 19.13 Small- - Capacity Self- - Contained Air Conditioners (48TC**04- - 16) 23 81 19.13.A. General 1. Outdoor, rooftop mounted, electrically controlled, heating and cooling unit utilizing a fully hermetic scroll com- pressor(s) for cooling duty and gas combustion for heating duty.
  • Page 91 2. Lifted by crane requires either shipping top panel or spreader bars. 3. Unit shall only be stored or positioned in the upright position. 23 81 19.13.E. Project Conditions 1. As specified in the contract. 23 81 19.13.F. Operating Characteristics 1.
  • Page 92 (3.) No basepan penetration, other than those authorized by the manufacturer, is permitted. 10. Component access panels (standard) a. Cabinet panels shall be easily removable for servicing. b. Unit shall have one factory installed, tool- - less, removable, filter access panel. c.
  • Page 93 b. Evaporator coils shall be leak tested to 150 psig, pressure tested to 450 psig, and qualified to UL 1995 burst test at 1775 psig. c. Condenser coils shall be leak tested to 150 psig, pressure tested to 650 psig, and qualified to UL 1995 burst test at 1980 psig.
  • Page 94 c. This gauge access port shall facilitate correct and accurate condenser pressure readings by enabling the reading with the compressor access panel on. d. The plug shall be made of a leak proof, UV- - resistant, composite material. 3. Compressors a.
  • Page 95 d. Self diagnostics with fault and power code LED indicator. Field accessory Display Kit available for further diagnostics and special setup applications. e. RS485 capability standard. f. Electronic thermal overload protection. g. 5% swinging chokes for harmonic reduction and improved power factor. h.
  • Page 96 t. Actuator shall be direct coupled to economizer gear. No linkage arms or control rods shall be acceptable. u. Economizer controller shall provide indications when in free cooling mode, in the DCV mode, or the ex- haust fan contact is closed. 4.
  • Page 97 g. The damper actuator shall plug into the rooftop unit’s wiring harness plug. No hard wiring shall be re- quired. h. Outside air hood shall include aluminum water entrainment filter. 6. Manual damper a. Manual damper package shall consist of damper, air inlet screen, and rain hood which can be preset to ad- mit up to 25 or 50% outdoor air for year round ventilation.
  • Page 98 (6.) Outlet shall include a field installed “Wet in Use” cover. 14. Flue Discharge Deflector (04- - 14 sizes only): a. Flue discharge deflector shall direct unit exhaust vertically instead of horizontally. b. Deflector shall be defined as a “natural draft” device by the National Fuel and Gas (NFG) code. 15.
  • Page 99 24. Winter start kit a. Shall contain a bypass device around the low pressure switch. b. Shall be required when mechanical cooling is required down to 25_F (- - 4_C). c. Shall not be required to operate on an economizer when below an outdoor ambient of 40_F (4_C). 25.
  • Page 100 Catalog No: 48TC ---04---16---01PD Copyright 2014 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 05/14 07/14 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: 48TC--- 19PD...

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