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50TCQ

Packaged Heat Pump

3 to 12.5 Nominal Tons

Product Data

C08613

the environmentally sound refrigerant

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  Summary of Contents for Carrier WeatherMaker 50TCQ

  • Page 1: Product Data

    50TCQ Packaged Heat Pump 3 to 12.5 Nominal Tons Product Data C08613 the environmentally sound refrigerant...

  • Page 2: Table Of Contents

    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: Features And Benefits

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

  • Page 4: Model Number Nomenclature

    MODEL NUMBER NOMENCLATURE 10 11 12 13 14 15 16 17 18 5 0 T C Q A 0 6 A 0 A 6 -- 0 B 2 A 0 ____ ____ ____ Unit Type Packaging 50 = Cooling/Elec Heat RTU 0 = Standard 1 = LTL Model...
  • Page 5 FACTORY OPTIONS AND/OR ACCESSORIES Table 1 – FACTORY- - INSTALLED OPTIONS AND FIELD- - INSTALLED ACCESSORIES FACTORY FIELD INSTALLED INSTALLED CATEGORY ITEM OPTION ACCESSORY Thru--- the--- base electrical connections Disconnect Switch Bracket (Available 14 size only) Cabinet Supply Duct Cover (Available 14 size only) Cu/Cu indoor and/or outdoor coils Coil Options Pre--- coated outdoor coils...
  • Page 6 Motorized 2- - Position Damper Convenience Outlet (powered or un- - powered) The new Carrier 2- - position, motorized outdoor air damper Lower service bills by including a convenience outlet in admits up to 100% outside air. Using reliable, gear- - driven your specification.
  • Page 7 (drives) are available, factory installed, to handle nearly any application. Carrier offers a full line of field- - installed accessory heaters. The heaters are very easy to use and install. All are pre- - engineered and certified.

  • Page 8: Ahri Cooling Rating Tables

    Table 2 – AHRI COOLING RATING TABLES COOLING MODE NOMINAL NET COOLING TOTAL 50TCQ CAPACITY CAPACITY POWER SEER IEER (TONS) (BTUH) (kW) 37,000 3.30 13.40* 11.00 47,000 4.10 13.10* 11.20 61,500 5.50 13.20* 11.15 70,000 6.30 11.10 12.20 88,000 7.80 11.20 12.20 99,000...

  • Page 9: Sound Performance

    3. A ---weighted sound ratings filter out very high and very low frequencies, to better approximate the response of an "average" human ear. A ---weighted measurements for Carrier units are taken in accordance with 270---95.

  • Page 10: Physical Data

    Table 5 – PHYSICAL DATA (COOLING) 3 - - 6 TONS 50TCQA04 50TCQA05 50TCQA06 50TCQA07 Refrigeration System # Circuits / # Comp. / Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll Puronr refrig.
  • Page 11 Table 6 – PHYSICAL DATA (COOLING) 7.5 - - 12.5 TONS 50TCQD08 50TCQD09 50TCQD12 50TCQD14 Refrigeration System # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll Puronr refrig.
  • Page 12 Table 7 – ELECTRIC HEAT - - ELECTRICAL DATA 3 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 13 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 4 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.
  • Page 14 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.
  • Page 15 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 6 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.
  • Page 16 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 7.5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.
  • Page 17 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 8.5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.
  • Page 18 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 10 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.
  • Page 19 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 12.5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.
  • Page 20 Table 7 - - (cont.) ELECTRIC HEAT - - ELECTRICAL DATA 12.5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER WITHOUT C.O. or UNPWRD PART NUMBER WITH PWRD C.O. TYPE C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.

  • Page 21: Weights & Dimensions

    WEIGHTS & DIMENSIONS C09016 Fig. 1 - - Dimensions 50TCQ 04- -07...
  • Page 22 WEIGHTS & DIMENSIONS (cont.) C09017 Fig. 2 - - Dimensions 50TCQ 04- -07 C08337 Fig. 3 - - Service Clearance DIMENSION CONDITION 48--- in. (1219 mm) Unit disconnect is mounted on panel 18--- in. (457 mm) No disconnect, convenience outlet option 18--- in.
  • Page 23 WEIGHTS & DIMENSIONS (cont.) NOTES: 1. Roof curb accessory is shipped disassembled. 2. Insulated panels. ROOFCURB UNIT SIZE 3. Dimensions in [ ] are in millimeters. ACCESSORY 4. Roof curb: galvanized steel. 1'-2" 5. Attach ductwork to curb (flanges of duct rest on curb). CRRFCURB001A01 [356] 6.
  • Page 24 WEIGHTS & DIMENSIONS (cont.) C08677B Fig. 5 - - Dimensions 50TCQ 08- -09...
  • Page 25 WEIGHTS & DIMENSIONS (cont.) C10393 Fig. 6 - - Dimensions 50TCQ 08- -09...
  • Page 26 WEIGHTS & DIMENSIONS (cont.) C08678 Fig. 7 - - Dimensions 50TCQ 08- -09 C08337 Fig. 8 - - Service Clearance DIMENSION CONDITION 48--- in. (1219 mm) Unit disconnect is mounted on panel 18--- in. (457 mm) No disconnect, convenience outlet option 18--- in.
  • Page 27 WEIGHTS & DIMENSIONS (cont.) C10369 Fig. 9 - - Curb Dimensions 50TCQ 08- -09...
  • Page 28 WEIGHTS & DIMENSIONS (cont.) C09556A Fig. 10 - - Dimensions 50TCQ 12...
  • Page 29 WEIGHTS & DIMENSIONS (cont.) Horizontal Connections / Economizer C10409 Fig. 11 - - Dimensions 50TCQ 12...
  • Page 30 WEIGHTS & DIMENSIONS (cont.) C09557A Fig. 12 - - Dimensions 50TCQ 12 C08337 Fig. 13 - - Service Clearance DIMENSION CONDITION 48--- in. (1219 mm) Unit disconnect is mounted on panel 18--- in. (457 mm) No disconnect, convenience outlet option 18--- in.
  • Page 31 WEIGHTS & DIMENSIONS (cont.) C10370 Fig. 14 - - Curb Dimensions 50TCQ 12...
  • Page 32 WEIGHTS & DIMENSIONS (cont.) C09895A Fig. 15 - - Dimensions 50TCQ 14...
  • Page 33 WEIGHTS & DIMENSIONS (cont.) C09895A Fig. 16 - - Dimensions 50TCQ 14...
  • Page 34 WEIGHTS & DIMENSIONS (cont.) C10376 Fig. 17 - - Dimensions 50TCQ 14 C08337 Fig. 18 - - Service Clearance DIMENSION CONDITION 48--- in. (1219 mm) Unit disconnect is mounted on panel 18--- in. (457 mm) No disconnect, convenience outlet option 18--- in.
  • Page 35 WEIGHTS & DIMENSIONS (cont.) C10251 Fig. 19 - - Curb Dimensions 50TCQ 14...
  • Page 36 OPTION / ACCESSORY WEIGHTS OPTION / ACCESSORY WEIGHTS OPTION / ACCESSORY Power Exhaust --- vertical Power Exhaust --- horizontal EconoMi$er (IV or 2) Two Position damper Manual Dampers Hail Guard (louvered) Cu/Cu Condenser Coil Cu/Cu Cond. & Evaporator Coils 41 165 75 140 270 122 280 127 Roof Curb (14---in.

  • Page 37: Application Data

    Motormaster low ambient Motor limits, Brake horsepower (BHP): controller. Due to Carrier's internal unit design, air path, and specially designed motors, the full horsepower (maximum continuous BHP) band, as listed in this manual, can be used with the utmost confidence. There is no need for extra safety factors, as Carrier's motors are designed and...
  • Page 38 SELECTION PROCEDURE (WITH 50TCQA07 EXAMPLE) (Selection software by Carrier saves time by performing many of the steps below.) Determine cooling and heating loads. The required heating capacity is 45,000 Btuh. There- fore, 20,700 Btuh (45,000 – 24,300) additional elec- Given: tric heat is required.
  • Page 39 Table 8 – COOLING CAPACITIES 1- - STAGE COOLING 3 TONS AMBIENT TEMPERATURE 50TCQA04 EAT (db) EAT (db) EAT (db) EAT (db) 31.4 31.4 35.7 29.6 29.6 33.6 27.6 27.6 31.5 25.6 25.6 29.1 27.1 31.4 35.7 25.5 29.6 33.6 23.8 27.6 31.5...
  • Page 40 Table 9 – COOLING CAPACITIES 1- - STAGE COOLING 4 TONS AMBIENT TEMPERATURE 50TCQA05 EAT (db) EAT (db) EAT (db) EAT (db) 41.7 41.7 46.9 39.9 39.9 45.1 37.8 37.8 43.1 35.6 35.6 41.0 36.5 41.7 46.9 34.7 39.9 45.1 32.5 37.8 43.1...
  • Page 41 Table 10 – COOLING CAPACITIES 1- - STAGE COOLING 5 TONS AMBIENT TEMPERATURE 50TCQA06 EAT (db) EAT (db) EAT (db) EAT (db) 52.7 52.7 59.2 49.9 49.9 56.5 46.9 46.9 53.6 43.6 43.6 50.4 46.2 52.7 59.2 43.4 49.9 56.5 40.3 46.9 53.6...
  • Page 42 Table 11 – COOLING CAPACITIES 1- - STAGE COOLING 6 TONS AMBIENT TEMPERATURE 50TCQA07 EAT (db) EAT (db) EAT (db) EAT (db) 61.1 61.1 68.9 58.3 58.3 66.1 55.2 55.2 63.2 51.8 51.8 59.9 53.3 61.1 68.9 50.4 58.3 66.1 47.2 55.2 63.2...
  • Page 43 Table 12 – COOLING CAPACITIES 2- - STAGE COOLING 7.5 TONS AMBIENT TEMPERATURE 50TCQD08 EAT (db) EAT (db) EAT (db) EAT (db) 77.4 77.4 87.8 74.1 74.1 84.1 69.8 69.8 79.2 65.2 65.2 74.1 66.9 77.4 87.8 64.0 74.1 84.1 60.3 69.8 79.2...
  • Page 44 Table 13 – COOLING CAPACITIES 2- - STAGE COOLING 8.5 TONS AMBIENT TEMPERATURE 50TCQD09 EAT (db) EAT (db) EAT (db) EAT (db) 91.1 91.1 102.9 86.4 86.4 97.5 81.2 81.2 91.7 75.7 75.7 85.5 79.4 91.1 102.9 75.2 86.4 97.5 70.8 81.2 91.7...
  • Page 45 Table 14 – COOLING CAPACITIES 2- - STAGE COOLING 10 TONS AMBIENT TEMPERATURE 50TCQD12 EAT (db) EAT (db) EAT (db) EAT (db) 102.8 102.8 121.0 96.3 96.3 115.8 90.1 90.1 109.5 83.5 83.5 102.9 82.1 101.5 121.0 76.8 96.3 115.8 70.6 90.1 109.5...
  • Page 46 Table 15 – COOLING CAPACITIES 2- - STAGE COOLING 12.5 TONS AMBIENT TEMPERATURE 50TCQD14 EAT (DB) EAT (DB) EAT (DB) EAT (DB) 126.4 126.4 143.6 119.1 119.1 135.3 111.8 111.8 127.0 104.0 104.0 118.2 109.2 126.4 143.6 102.9 119.1 135.3 96.5 111.8 127.0...

  • Page 47: Heating Capacities

    Table 16 – HEATING CAPACITIES 3 TONS 50TCQA04 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 11.6 15.1 18.9 21.7 27.6 32.7 36.0 37.1 41.8 Int. Cap. 10.7 13.9 17.4 19.8 24.2 32.7 36.0...
  • Page 48 Table 18 – HEATING CAPACITY 5 TONS 50TCQ06 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F DB) Capacity 22.7 28.3 34.2 38.6 47.4 54.3 60.0 62.6 70.3 1500 Int. Cap. 21.0 26.1 31.4 35.2 41.5 54.3...
  • Page 49 Table 20 – HEATING CAPACITY 7.5 TONS 50TCQD08 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 46.9 53.5 66.3 77.2 86.2 89.4 103.3 2250 Int. Cap. 43.1 48.7 58.1 77.2 86.2 89.4 103.3 Capacity...
  • Page 50 Table 22 – HEATING CAPACITY 10 TONS 50TCQD12 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 41.8 52.4 64.1 72.8 90.4 105.3 118.0 121.9 140.3 3000 Int. Cap. 38.7 48.2 58.8 66.3 79.2 105.3...
  • Page 51 Table 24 – STATIC PRESSURE ADDERS (Factory Options and/or Accessories) Economizer 3 --- 6 TONS CFM (in. wg) 1000 1250 1500 1750 2000 2250 2500 2750 3000 Vertical 0.01 0.02 0.04 0.05 0.07 0.09 0.12 0.15 0.18 0.22 0.26 Economizer Horizontal 0.02 0.03...
  • Page 52 ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE 2500 Horizontal Economizers 2000 1500 3-6 Ton 7.5-10 Ton 1000 0.05 0.15 0.25 RETURN DUCT STATIC PRESSURE (in. wg) C10258 C09879 Fig. 24 - - Relief Flow Fig. 20 - - Barometric Relief Flow Capacity 6000 Horizontal Economizers 5000...
  • Page 53 Carrier recommended the lower horsepower option. 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.

  • Page 54: Fan Performance

    FAN PERFORMANCE Table 25 – 50TCQA04 ELECTRIC DRIVE, X13 Table 26 – 50TCQA04 ELECTRIC DRIVE, X13 MOTOR, 3 TON HORIZONTAL SUPPLY MOTOR, 3 TON VERTICAL SUPPLY SPEED SPEED (TORQUE) (TORQUE) 0.70 0.31 0.44 0.22 0.60 0.30 0.35 0.21 1050 0.50 0.29 1050 0.24...
  • Page 55 FAN PERFORMANCE (cont.) Table 27 – 50TCQA05 ELECTRIC DRIVE, X13 Table 28 – 50TCQA05 ELECTRIC DRIVE, X13 MOTOR, 4 TON HORIZONTAL SUPPLY MOTOR, 4 TON VERTICAL SUPPLY SPEED SPEED (TORQUE) (TORQUE) 1200 0.75 0.48 1200 0.50 0.39 1300 0.63 0.46 1300 0.36 0.37...
  • Page 56 FAN PERFORMANCE (cont.) Table 29 – 50TCQA06 ELECTRIC DRIVE, X13 Table 30 – 50TCQA06 ELECTRIC DRIVE, X13 MOTOR, 5 TON HORIZONTAL SUPPLY MOTOR, 5 TON VERTICAL SUPPLY SPEED SPEED (TORQUE) (TORQUE) 1500 1.19 0.74 1500 1.00 0.70 1625 1.01 0.73 1625 0.72 0.65...
  • Page 57 FAN PERFORMANCE (cont.) Table 31 – 50TCQA04 3 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 0.13 0.23 0.34 0.47 0.61 0.15 0.25 0.37 0.50 1015 0.64 1050 0.18 0.28 0.40 0.53 1030 0.68 1125 0.20 0.31 0.43 0.57 1047 0.72 1200...
  • Page 58 FAN PERFORMANCE (cont.) Table 33 – 50TCQA05 4 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 1200 0.23 0.34 0.47 0.61 1064 0.76 1300 0.28 0.39 0.52 1007 0.67 1088 0.82 1400 0.33 0.45 0.58 1034 0.73 1113 0.89 1500 0.38 0.51...
  • Page 59 FAN PERFORMANCE (cont.) Table 35 – 50TCQA06 5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 1500 0.33 0.46 0.60 1023 0.75 1101 0.90 1625 0.40 0.54 0.68 1054 0.84 1131 1.00 1750 0.48 0.63 1004 0.78 1087 0.94 1162 1.11 1875...
  • Page 60 FAN PERFORMANCE (cont.) Table 37 – 50TCQA07 6 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 1800 0.51 0.66 1018 0.82 1100 0.98 1174 1.15 1950 0.62 0.79 1061 0.95 1140 1.13 1213 1.31 2100 0.75 1019 0.92 1104 1.10 1182 1.29...
  • Page 61 FAN PERFORMANCE (cont.) Table 39 – 50TCQD08 7.5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 2250 0.28 0.40 0.52 0.66 0.80 2438 0.34 0.46 0.59 0.73 0.88 2625 0.40 0.53 0.67 0.82 0.97 2813 0.47 0.61 0.76 0.91 1.08 3000 0.55...
  • Page 62 FAN PERFORMANCE (cont.) Table 41 – 50TCQD09 8.5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 2550 0.39 0.52 0.66 0.80 0.96 2763 0.47 0.61 0.76 0.91 1.07 2975 0.57 0.72 0.87 1.03 1.20 3188 0.68 0.83 1.00 1.17 1.34 3400 0.80...
  • Page 63 FAN PERFORMANCE (cont.) Table 43 – 50TCQD12 10 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 3000 0.58 0.73 0.88 1.05 1.22 3250 0.71 0.87 1.04 1.21 1.39 3500 0.86 1.03 1.21 1.39 1.58 3750 1.03 1.21 1.40 1.59 1.79 4000 1.23...
  • Page 64 FAN PERFORMANCE (cont.) Table 45 – 50TCQD14 12.5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 3750 0.53 0.74 0.98 1.26 1.56 4063 0.63 0.86 1.11 1.39 1.69 4375 0.75 0.99 1.25 1.53 1.85 4688 0.89 1.14 1.40 1.70 2.02 1.04 5000...
  • Page 65 FAN PERFORMANCE (cont.) Table 47 – PULLEY ADJUSTMENT MOTOR PULLEY TURNS OPEN MOTOR/ UNIT DRIVE COMBO Medium Static 1251 1208 1165 1121 1078 1035 High Static 1466 1423 1380 1337 1294 1251 1207 1164 1121 1078 1035 Medium Static 1303 1265 1226 1188...

  • Page 66: Electrical Info

    ELECTRICAL INFORMATION Table 48 – 50TCQA04 1- - Stage Cooling 3 TONS VOLTAGE COMP (ea) OFM (ea) V- - Ph- - Hz RANGE WATTS TYPE EFF at Full Load 208- -1- -60 17.9 DD- -STD 230- -1- -60 17.9 DD- -STD DD- -STD 208- -3- -60 13.2...
  • Page 67 ELECTRICAL INFORMATION (cont.) Table 51 – 50TCQA07 1- - Stage Cooling 6 TONS VOLTAGE COMP (ea) OFM (ea) RANGE V ---Ph---Hz WATTS TYPE EFF at Full Load 208--- 3--- 60 19.0 HIGH 230--- 3--- 60 19.0 HIGH 460--- 3--- 60 HIGH 575--- 3--- 60 HIGH...
  • Page 68 ELECTRICAL INFORMATION (cont.) Table 54 – 50TCQD12 2- - Stage Cooling 10 TONS COMP (Cir 1) COMP (Cir 2) OFM (ea) VOLTAGE RANGE V ---Ph---Hz EFF at WATTS TYPE Full Load 208--- 3--- 60 15.6 15.9 HIGH 230--- 3--- 60 15.6 15.9 HIGH...

  • Page 69: Mca / Mocp

    Table 56 – MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 30.7 32.6 3.3/4.4 15.9/18.3 50.6/53.6 60/60 48/51 137/139 52.5/55.5 60/60 51/53 139/141...
  • Page 70 Table 57 – (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 36.2 38.1 3.3/4.4 15.9/18.3 56.0/59.0 60/60 54/56 144/146 57.9/60.9 60/70 56/59...
  • Page 71 Table 57 – (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 41.7 43.6 4.9/6.5 23.5/27.1 71.0/75.5 80/80 67/72 169/172 72.9/77.4 80/80 70/74...
  • Page 72 Table 57 - - (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 30.5 32.4 4.9/6.5 13.6/15.6 47.5/50.0 60/60 45/47 160/162 49.4/51.9 60/60...
  • Page 73 Table 57 - - (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 37.7 41.5 7.8/10.4 21.7/25.0 64.8/68.9 70/70 65/68 215/218 68.6/72.7 70/80...
  • Page 74 Table 57 - - (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 41.9 45.7 7.8/10.4 21.7/25.0 69.0/73.2 70/80 69/72 223/226 72.8/77.0 80/80...
  • Page 75 Table 57 - - (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. IFM TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 46.9 50.7 7.8/10.4 21.7/25.0 74.0/78.1 80/80 74/78 304/307 77.8/81.9...
  • Page 76 Table 57 - - (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR NO C.O. or UNPWR C.O. NO P .E. w/ P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 62.4 80.0 65.0 366.0 66.2 80.0 70.0 370.0...
  • Page 77 Table 57 - - (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. ELEC. HTR NO C.O. or UNPWR C.O. NO P .E. w/ P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 24.0 30.0 25.0 136.0 27.8 30.0 30.0 140.0...
  • Page 78 Table 57 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC. HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 35.5 37.4 3.3/4.4 15.9/18.3 55.4/58.4 60/60 54/57 142/144 57.3/60.3 60/70 56/59 144/146 4.9/6.5 23.5/27.1 64.9/69.4 70/80...
  • Page 79 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC. HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 42.9 3.3/4.4 15.9/18.3 60.8/63.8 70/80 59/62 149/151 62.7/65.7 80/80 61/64 151/153 6.5/8.7 31.4/36.3 80.2/86.3 90/90...
  • Page 80 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC. HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 46.5 48.4 4.9/6.5 23.5/27.1 75.8/80.3 80/90 73/77 174/177 77.7/82.2 80/100 75/79 176/179 6.5/8.7 31.4/36.3 85.7/91.8...
  • Page 81 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELECTRIC HEATER WITH PWRD C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 35.3 37.2 4.9/6.5 13.6/15.6 52.3/54.8 60/60 51/53 165/167 54.2/56.7 60/60 53/55 167/169 7.9/10.5 21.9/25.3 62.6/66.9...
  • Page 82 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELECTRIC HEATER WITH PWRD C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 42.5 46.3 7.8/10.4 21.7/25.0 69.6/73.7 70/80 70/74 220/223 73.4/77.5 80/80 74/78 224/227 12.0/16.0 33.4/38.5 84.2/90.6...
  • Page 83 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELECTRIC HEATER WITH PWRD C.O. WITHOUT P .E. WITH P .E. TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 46.7 50.5 7.8/10.4 21.7/25.0 73.8/78.0 80/80 74/78 228/231 77.6/81.8 80/90 78/82 232/235 12.0/16.0 33.4/38.5 88.5/94.8...
  • Page 84 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC. HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. (pwrd fr/unit) IFM TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 51.7 55.5 7.8/10.4 21.7/25.0 78.8/82.9 80/90 80/84 309/312 82.6/86.7 90/90 84/88 313/316...
  • Page 85 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC. HTR w/ PWRD C.O. NO P .E. w/ P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 67.2 80.0 71.0 371.0 71.0 80.0 75.0 375.0 12.4/16.5 34.4/39.7 110.2/116.8 125/125 110/116 405/411...
  • Page 86 Table 58 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC. HTR w/ PWRD C.O. NO P .E. w/ P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 25.7 30.0 27.0 138.0 29.5 35.0 32.0 142.0 16.5 15.9 45.6 49.4 26.5...

  • Page 87: Typical Wiring Diagrams

    TYPICAL WIRING DIAGRAMS C09063 Fig. 28 - - 1- -Stage Cooling Typical Power Diagram...
  • Page 88 TYPICAL WIRING DIAGRAMS (cont.) C09065 Fig. 29 - - 2- -Stage Cooling Typical Power Diagram...
  • Page 89 TYPICAL WIRING DIAGRAMS (cont.) C09066 Fig. 30 - - PremierLink Option Diagram...
  • Page 90 TYPICAL WIRING DIAGRAMS (cont.) C09067 Fig. 31 - - Multi- -Protocol Option Diagram...

  • Page 93: Sequence Of Operation

    SEQUENCE OF OPERATION Cooling, unit without economizer 2 heating (W2 closes). Terminal W2 is energized. Defrost Board issues an output at EHEAT. Heater contactor 1 and When thermostat calls for cooling, terminals G and Y1 are heater contactor 2 (if installed) are energized; all electric energized.
  • Page 94 up to 30 seconds to initiate. Damper movement from full If field- - installed accessory CO sensors are connected to closed to full open (or vice versa) will take between 1 the PremierLink control, a PID controlled demand and 2 minutes.
  • Page 95 If field- - installed accessory CO sensors are connected to The unit continues to defrost until the coil temperature as the PremierLink control, a PID- - controlled demand measured by DFT2 reaches 65_F (18_C), or the duration ventilation strategy will begin to operate. As the CO of defrost cycle completes a 10- - minute period.

  • Page 96: Guide Specifications

    11. 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 plug- - in communications card.
  • Page 97 12. Shall have built- - in Carrier Comfort Network (CCN) protocol, and be compatible with other CCN devices, includ- ing ComfortLink and ComfortVIEW controllers. 13. Shall have built- - in support for Carrier technician tool. 14. Software upgrades will be accomplished by local download. Software upgrades through chip replacements are not allowed.
  • Page 98 c. Molded plug connection to insure proper connection. 23 09 33.23.B. Safeties: 1. Compressor overtemperature, overcurrent. 2. Loss of charge switch. a. Units with 2 compressors shall have different sized connectors for the circuit 1 and circuit 2 low and high pres- sure switches.
  • Page 99 13. Unit shake tested to assurance level 1, ASTM D4169 to ensure shipping reliability. 14. High Efficient Motors listed shall meet Section 313 of the Energy Independence and Security Act of 2007 (EISA 2007). 23 81 19.13.C. Delivery, Storage, and Handling 1.
  • Page 100 (3.) No basepan penetration, other than those authorized by the manufacturer, is permitted. 9. 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 101 c. This gauge access port shall facilitate correct and accurate condenser pressure readings by enabling the read- ing with the compressor access panel on. d. The plug shall be made of a leak proof, UV- - resistant, composite material. 3. Compressors a.
  • Page 102 c. Damper blades shall be galvanized steel with composite gears. Plastic or composite blades on intake or return shall not be acceptable. d. Shall include all hardware and controls to provide free cooling with outdoor air when temperature and/or hu- midity are below setpoints.
  • Page 103 (2.) Outlet shall be powered from line side or load side of disconnect by installing contractor, as required by code. If outlet is powered from load side of disconnect, unit electrical ratings shall be UL certified and rated for additional outlet amperage. (3.) Outlet shall be factory- - installed and internally mounted with easily accessible 115- - v female receptacle.
  • Page 104 (minimum 18 ga galvanized steel) attached to end of heater assembly. Catalog No: 50TCQ---05PD Copyright 2011 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 01/11 Replaces: 50TCQ--- 03PD Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Source: https://www.manualslib.com/manual/748612/Carrier-Weathermaker-50tcq.html

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