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Carrier WeatherMaster 50HCQ Product Data

High efficient packaged rooftop units 3 to 10 tons
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See also: Instruction and Installation Manual
50HCQ
High Efficient
Packaged Rooftop Heat Pump Units
3 to 10 Tons
Use of the AHRI Certified
TM Mark indicates a
manufacturer's
participation in the
program For verification
of certification for individual
products, go to
www.ahridirectory.org.

Product Data

C10222
the environmentally sound refrigerant

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Summary of Contents for Carrier WeatherMaster 50HCQ

  • Page 1: Product Data

    50HCQ High Efficient Packaged Rooftop Heat Pump Units 3 to 10 Tons Product Data C10222 Use of the AHRI Certified TM Mark indicates a manufacturer’s participation in the program For verification of certification for individual the environmentally sound refrigerant products, go to www.ahridirectory.org.

  • Page 2: Table Of Contents

    12 size only. Convertible airflow design makes it easy to adjust to unexpected job site complications. Lighter units make easy replacement. Carrier 3 - - 10 ton 50HCQ rooftops fit on existing Carrier curbs dating back to 1989.

  • Page 3: Features And Benefits

    S 4- - way reversing valve rapidly changes the flow of refrigerant to quickly changeover from cooling to heating and heating to cooling. S Easy- - adjust, belt drive motor available on all sizes. Carrier provides a factory solution for most points in the fan performance table. There’s no need for field- - supplied drives or motors.

  • Page 4: Model Number Nomenclature

    MODEL NUMBER NOMENCLATURE 10 11 12 13 14 15 16 17 18 5 0 H C Q A 0 6 A 0 A 6 A 0 B 0 A 0 ____________ ____ Series Weathermaster Packaging 50HC = Packaged Rooftop 0 = Standard High Efficiency 1 = LTL Heat Size...
  • Page 5 FACTORY OPTIONS AND/OR ACCESSORIES Table 1 – FACTORY INSTALLED OPTIONS AND FIELD- - INSTALLED ACCESSORIES FACTORY FIELD INSTALLED INSTALLED CATEGORY ITEM OPTION ACCESSORY Hinged access doors Cabinet Thru--- the--- base electrical connections Suuply duct kit--- Horizontal air applications (size 12 only) Cu/Cu indoor and/or outdoor coils Pre--- coated outdoor coils Coil Options...
  • Page 6 They are available, installed by the factory, for The new Carrier 2- - position, motorized outdoor air damper supply air, return air, or both. admits up to 100% outside air. Using reliable, gear- - driven...
  • Page 7 Electric Heaters operate them at reduced speed to maintain the unit operation, depending on the model. Carrier offers a full line of field- - installed accessory heaters. The heaters are very easy to use and install. All Alternate Motors and Drives are pre- - engineered and certified.
  • Page 8 Table 2 – AHRI COOLING RATING TABLES COOLING MODE NOM. CAPACITY NET COOLING CAPACITY TOTAL POWER UNIT SEER IEER (TONS) (BTUH) (kW) 36,400 15.60 12.70 47,000 15.80 12.80 58,500 15.00 12.50 72,000 12.00 12.8 90,000 12.10 12.8 100,000 12.00 12.5 119,000 12.30 13.0...

  • 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 50HCQA04 50HCQA05 50HCQA06 50HCQA07 Refrigeration System # Circuits / # Comp. / Type 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll 1 / 1 / Scroll Refrig.
  • Page 11 Table 6 – PHYSICAL DATA (COOLING) 7.5 - - 10 TONS 50HCQD08 50HCQD09 50HCQD12 Refrigeration System # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll Refrig. charge per circuit A/B (lbs--- oz) 11 --- 12 / 11 --- 12 14--- 1/14--- 4 16--- 3/17--- 3...

  • Page 12: Electric Heat- - Electrical Data

    Table 7 – ELECTRIC HEAT - - ELECTRICAL DATA 3 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 13 Table 8 – ELECTRIC HEAT - - ELECTRICAL DATA 4 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 14 Table 9 – ELECTRIC HEAT - - ELECTRICAL DATA 5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 15 Table 10 – ELECTRIC HEAT - - ELECTRICAL DATA 6 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 16 Table 11 – ELECTRIC HEAT - - ELECTRICAL DATA 7.5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 17 Table 12 – ELECTRIC HEAT - - ELECTRICAL DATA 8.5 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 18 Table 13 – ELECTRIC HEAT - - ELECTRICAL DATA 10 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E. WITH P .E.
  • Page 19 Table 13 - - ELECTRIC HEAT - - ELECTRICAL DATA (Cont.) 10 TONS SINGLE POINT KIT PART NUMBER CRSINGLEXXXXXX ELECTRIC HEATER PART NUMBER TYPE WITHOUT C.O. or UNPWRD C.O. WITH PWRD C.O. CRHEATERXXXXXX (kW) (kW) WITHOUT P .E. WITH P .E. WITHOUT P .E.

  • Page 20: Weights & Dimensions

    WEIGHTS & DIMENSIONS Vertical Connections / Economizer Horizontal Connections / Economizer C10230 Fig. 1 - - Dimensions 50HCQ 04- -06...
  • Page 21 WEIGHTS & DIMENSIONS (cont.) C10231 Fig. 2 - - Dimensions 50HCQ 04- -06 C10577 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 22 WEIGHTS & DIMENSIONS (cont.) ROOFCURB UNIT SIZE ACCESSORY 1’ - 2” CRRFCURB001A01 [356] 50HCQA04-06 2’ - 0” CRRFCURB002A01 [610] D ALT CONNECTOR CONTROL ACCESSORY DRAIN POWER PKG. ACCY. POWER HOLE ” [19] CRBTMPWR001A01 1’-9 ” 1’-4” ” ” [19] ” [12.7] ”...
  • Page 23 WEIGHTS & DIMENSIONS (cont.) Vertical Connections / Economizer Horizontal Connections / Economizer C10464 Fig. 5 - - Dimensions 50HCQ 07- -08...
  • Page 24 WEIGHTS & DIMENSIONS (cont.) C10465 Fig. 6 - - Dimensions 50HCQ 07- -08 C10577 Fig. 7 - - 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 25 WEIGHTS & DIMENSIONS (cont.) Vertical Connections / Economizer Horizontal Connections / Economizer C10460 Fig. 8 - - Dimensions 50HCQ 09...
  • Page 26 WEIGHTS & DIMENSIONS (cont.) STD. UNIT CORNER CORNER CORNER CORNER C.G. WEIGHT WEIGHT (A) WEIGHT (B) WEIGHT (C) WEIGHT (D) UNIT LBS. LBS. LBS. LBS. LBS. 50HCQD09 1020 115.7 90.3 112.5 144.2 38 1/4 [972] 32 [813] 24 [610] * STANDARD UNIT WEIGHT IS WITHOUT ELECTRIC HEAT AND WITHOUT PACKAGING. FOR OPTIONS AND ACCESSORIES REFER TO THE PRODUCT DATA CATALOG.
  • Page 27 WEIGHTS & DIMENSIONS (cont.) UNIT SIZE 50HCQ 07-09 TYPICAL CORNER FASTENING DEVICE C10462 Fig. 11 - - Curb Dimensions 50HCQ 07- -09...
  • Page 28 WEIGHTS & DIMENSIONS (cont.) Vertical Connections / Economizer Horizontal Connections / Economizer C10845 Fig. 12 - - Dimensions 50HCQ 12...
  • Page 29 WEIGHTS & DIMENSIONS (cont.) C10846 Fig. 13 - - Dimensions 50HCQ 12 C08337 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 18--- in.
  • Page 30 WEIGHTS & DIMENSIONS (cont.) C10855 Fig. 15 - - Curb Dimensions 50HCQ 12...

  • Page 31: Option/Accessory Weights

    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 75 140 280 127 Roof Curb (14---in.
  • Page 32 Motormaster low ambient Motor limits, Brake horsepower (BHP): controller. Due to Carrier’s internal unit design, air path, and Application / Selection Option specially designed motors, the full horsepower (maximum continuous BHP) band, as listed in this manual, can be Selection software by Carrier saves time by calculating used with the utmost confidence.
  • Page 33 Table 14 – COOLING CAPACITIES 1- - STAGE COOLING 3 TONS AMBIENT TEMPERATURE 50HCQA04 EAT (db) EAT (db) EAT (db) EAT (db) EAT (db) 31.8 31.8 36.0 30.5 30.5 34.5 29.0 29.0 32.9 27.5 27.5 31.1 25.7 25.7 29.2 27.5 31.8 36.0 26.4...
  • Page 34 Table 15 – COOLING CAPACITIES 1- - STAGE COOLING 4 TONS AMBIENT TEMPERATURE 50HCQA05 EAT (db) EAT (db) EAT (db) EAT (db) EAT (db) 41.1 41.1 46.6 39.5 39.5 44.8 37.7 37.7 42.7 35.8 35.8 40.6 33.7 33.7 38.2 35.6 41.1 46.6 34.2...
  • Page 35 Table 16 – COOLING CAPACITIES 1- - STAGE COOLING 5 TONS AMBIENT TEMPERATURE 50HCQA06 EAT (db) EAT (db) EAT (db) EAT (db) EAT (db) 53.8 53.8 60.7 51.7 51.7 58.3 49.4 49.4 55.8 46.9 46.9 53.0 44.2 44.2 49.9 46.9 53.8 60.7 45.0...
  • Page 36 Table 17 – COOLING CAPACITIES 1- - STAGE COOLING 6 TONS AMBIENT TEMPERATURE 50HCQA07 EAT (db) EAT (db) EAT (db) EAT (db) EAT (db) 63.5 63.5 71.7 60.1 60.1 67.9 56.4 56.4 63.7 52.3 52.3 59.1 47.8 47.8 55.2 63.5 71.7 52.3 60.1...
  • Page 37 Table 18 – COOLING CAPACITIES 2- - STAGE COOLING 7.5 TONS AMBIENT TEMPERATURE 50HCQD08 EAT (db) EAT (db) EAT (db) EAT (db) EAT (db) 81.1 81.1 92.1 76.4 76.4 86.8 73.0 73.0 82.9 69.3 69.3 78.7 65.2 65.2 74.1 70.1 81.1 92.1 66.0...
  • Page 38 Table 19 – COOLING CAPACITIES 2- - STAGE COOLING 8.5 TONS AMBIENT TEMPERATURE 50HCQD09 EAT (db) EAT (db) EAT (db) EAT (db) EAT (db) 85.8 85.8 97.8 80.9 80.9 91.8 75.7 75.7 85.9 70.2 70.2 79.7 64.4 64.4 73.1 73.9 85.8 97.8 80.9...
  • Page 39 Table 20 – COOLING CAPACITIES 2- - STAGE COOLING 10 TONS AMBIENT TEMPERATURE 50HCQD12 EA (dB) EA (dB) EA (dB) EA (dB) EA (dB) 106.0 106.0 119.9 102.0 102.0 115.3 97.6 97.6 110.4 92.9 92.9 105.0 87.5 87.5 98.9 92.2 106.0 119.9 88.6 102.0 115.3...

  • Page 40: Heating Capacities

    Table 21 – HEATING CAPACITIES 3 TONS 50HCQA04 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 13.3 17.2 20.0 26.0 31.3 35.6 37.0 42.7 Int. Cap. 12.3 15.8 18.3 22.8 31.3 35.6 37.0 42.7...
  • Page 41 Table 22 – HEATING CAPACITIES 4 TONS 50HCQA05 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 18.5 23.8 27.7 35.3 41.9 47.6 49.3 56.5 1200 Int. Cap. 17.1 21.8 25.2 30.9 41.9 47.6 49.3...
  • Page 42 Table 23 – HEATING CAPACITIES 5 TONS 50HCQA06 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 22.0 28.5 33.3 43.5 51.4 58.0 60.1 68.6 1500 Int. Cap. 20.3 26.1 30.4 38.1 51.4 58.0 60.1...
  • Page 43 Table 24 – HEATING CAPACITIES 6 TONS 50HCQA07 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 20.5 28.2 36.0 41.6 52.8 62.7 71.0 73.5 83.8 Int. Cap. 19.0 25.9 33.0 38.0 46.3 62.7 71.0...
  • Page 44 Table 25 – HEATING CAPACITIES 7.5 TONS 50HCQD08 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 24.3 33.6 43.4 50.6 66.3 78.0 87.4 90.4 102.6 2250 Int. Cap. 22.4 30.9 39.8 46.2 58.1 78.0...
  • Page 45 Table 26 – HEATING CAPACITIES 8.5 TONS 50HCQD09 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 35.1 37.7 49.0 57.4 74.4 87.8 98.9 102.6 118.3 2250 Int. Cap. 32.5 34.7 45.0 52.3 65.2 87.8...
  • Page 46 Table 27 – HEATING CAPACITIES 10 TONS 50HCQD12 RETURN TEMPERATURE AIR ENTERING OUTDOOR COIL (°F db AT 70% RH) (STANDARD AIR) ---10 (°F db) Capacity 39.8 50.9 62.9 72.7 91.4 106.1 117.2 121.0 136.2 Int. Cap. 36.8 46.8 57.8 66.3 80.1 106.1 117.2...

  • Page 47: Application Data

    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 48: Fan Performance

    FAN PERFORMANCE Table 29 – 50HCQA04 Table 30 – 50HCQA04 3 TON HORIZONTAL UNIT DIRECT DRIVE 3 TON VERTICAL UNIT DIRECT DRIVE SPEED SPEED (TORQUE) (TORQUE) 0.57 0.25 0.44 0.19 0.47 0.24 0.34 0.18 1050 0.37 0.22 1050 0.24 0.17 1125 0.27 0.21...
  • Page 49 FAN PERFORMANCE (cont.) Table 31 – 50HCQA05 Table 32 – 50HCQA05 4 TON HORIZONTAL UNIT DIRECT DRIVE 4 TON VERTICAL UNIT DIRECT DRIVE SPEED SPEED (TORQUE) (TORQUE) 1200 0.93 0.48 1200 0.87 0.43 1300 0.80 0.46 1300 0.73 0.41 1400 0.66 0.44 1400...
  • Page 50 FAN PERFORMANCE (cont.) Table 33 – 50HCQA06 Table 34 – 50HCQA06 5 TON HORIZONTAL UNIT DIRECT DRIVE 5 TON VERTICAL UNIT DIRECT DRIVE SPEED SPEED (TORQUE) (TORQUE) 1500 0.37 0.35 1500 0.27 0.32 1625 0.22 0.33 1625 0.13 0.30 1750 0.08 0.31 1750...
  • Page 51 FAN PERFORMANCE (cont.) Table 35 – 50HCQA04 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 52 FAN PERFORMANCE (cont.) Table 37 – 50HCQA05 4 TON HORIZONTAL SUPPLY Available External Static Pressure (in. wg) 1200 0.20 0.31 0.43 0.56 1030 0.70 1300 0.24 0.36 0.48 0.61 1052 0.76 1400 0.28 0.40 0.53 0.67 1075 0.82 1500 0.33 0.46 0.59 1020...
  • Page 53 FAN PERFORMANCE (cont.) Table 39 – 50HCQA06 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 54 FAN PERFORMANCE (cont.) Table 41 – 50HCQA07 6 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 1800 0.28 0.46 0.65 0.85 1.08 1950 0.32 0.51 0.71 0.93 1.16 2100 0.38 0.57 0.78 1.01 1.25 2250 0.43 0.64 0.86 1.10 1.34 2400 0.49...
  • Page 55 FAN PERFORMANCE (cont.) Table 43 – 50HCQD08 7.5 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 2250 0.29 0.41 0.54 0.67 0.81 2438 0.35 0.48 0.61 0.75 0.90 2625 0.42 0.55 0.69 0.84 1.00 2813 0.49 0.64 0.78 0.94 1.10 3000 0.58...
  • Page 56 FAN PERFORMANCE (cont.) Table 45 – 50HCQD09 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 57 FAN PERFORMANCE (cont.) Table 47 – 50HCQD12 10 TON HORIZONTAL SUPPLY AVAILABLE EXTERNAL STATIC PRESSURE (IN. WG) 3000 0.32 0.51 0.74 1.00 1.29 3250 0.38 0.58 0.81 1.08 1.37 3500 0.45 0.65 0.89 1.16 1.46 3750 0.53 0.74 0.98 1.26 1.56 4000 0.61...
  • Page 58 FAN PERFORMANCE (cont.) Table 49 – PULLEY ADJUSTMENT MOTOR PULLEY TURNS OPEN MOTOR/DRIVE UNIT COMBO Medium Static 1251 1208 1165 1121 1078 1035 phase High Static 1466 1423 1380 1337 1294 1251 1207 1164 1121 1078 1035 Medium Static 1303 1265 1226 1188...

  • Page 59: Economizer, Barometric Relief And Pe Performance

    ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE 2500 2500 Horizontal Economizers Vertical Economizers 2000 2000 1500 1500 3-5 Ton 3 - 5 Ton 6-8.5 Ton 6 - 8.5 Ton 1000 1000 0.05 0.15 0.25 0.05 0.15 0.25 RETURN DUCT STATIC PRESS URE (in. wg) RETURN DUCT STATIC PRESS URE (in.
  • Page 60 ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE (cont.) 2500 2500 Horizontal Economizers Vertical Economizers Vertical Economizers 2000 2000 1500 1500 10 - Ton 10 Ton 1000 1000 0.05 0.15 0.25 0.05 0.15 0.25 RETURN DUCT STATIC PRESSURE (in. wg) RETURN DUCT STATIC PRESSURE (in. wg) C101018 C101020 Fig.

  • Page 61: Electrical Info

    ELECTRICAL INFORMATION Table 50 – 50HCQA04 1- - Stage Cooling 3 TONS VOLTAGE COMP (ea) OFM (ea) RANGE V ---Ph---Hz EFF at Full WATTS TYPE Load 208--- 1--- 60 16.6 DD--- STD 230--- 1--- 60 16.6 DD--- STD DD--- STD 208--- 3--- 60 10.4 HIGH...
  • Page 62 ELECTRICAL INFORMATION (cont.) Table 53 – 50HCQA07 1- - Stage Cooling 6 TONS VOLTAGE COMP (ea) OFM (ea) RANGE V ---Ph---Hz EFF at Full WATTS TYPE Load 208--- 3--- 60 19.0 HIGH 15.0 230--- 3--- 60 19.0 HIGH 15.0 460--- 3--- 60 HIGH 575--- 3--- 60 HIGH...
  • Page 63 Table 56 – 50HCQD12 2- - Stage Cooling 10 TONS COMP (Cir 1) COMP (Cir 2) OFM (ea) VOLTAGE RANGE EFF at V ---Ph---Hz WATTS TYPE Full Load 208--- 3--- 60 15.6 15.9 HIGH 17.0 HIGH 89.5% 20.4 High Eff. HIGH 15.0 230--- 3--- 60...

  • Page 64: Mca / Mocp

    Table 57 – 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. (pwrd fr/unit) IFM TYPE DISC. SIZE DISC. SIZE NOM (kW) MOCP MOCP 29.2 31.1 3.3/4.4 15.9/18.3 49.0/52.0 60/60 47/50 104/106...
  • Page 65 Table 58 – 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. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 33.6 35.5 3.3/4.4 15.9/18.3 53.4/56.4 60/60 51/54 135/137 55.3/58.3 60/60...
  • Page 66 Table 59 – 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. (pwrd fr/unit) IFM TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 40.1 42.0 4.9/6.5 23.5/27.1 69.4/73.9 80/80 66/70 168/171 71.3/75.8...
  • Page 67 Table 60 – 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. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 32.0 35.8 4.9/6.5 13.6/15.6 49.0/51.5 60/60 47/49 162/164 52.8/55.3 60/60...
  • Page 68 Table 61 – 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. (pwrd fr/unit) 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 65/68 213/216 68.6/72.7 70/80...
  • Page 69 Table 62 – 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. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 45.1 48.9 7.8/10.4 21.7/25.0 72.2/76.4 80/80 72/76 247/250 76.0/80.2 80/90...
  • Page 70 Table 63 – 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. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE NOM (kW) MOCP MOCP 45.2 49.0 7.5/10.0 20.9/24.1 71.3/75.3 80/80 71/75 283/286 75.1/79.1...
  • Page 71 Table 63 - - MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O. (Cont.) ELEC HTR WITHOUT C.O. or UNPWR C.O. WITHOUT P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE NOM (kW) MOCP MOCP 17.1 20.9 10.0 29.1 32.9 16.5 15.9...
  • Page 72 Table 64 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 34.0 35.9 3.3/4.4 15.9/18.3 53.8/56.8 60/60 53/55 109/111 55.7/58.7 60/60 55/58 111/113 4.9/6.5 23.5/27.1...
  • Page 73 Table 65 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 38.4 40.3 3.3/4.4 15.9/18.3 58.2/61.2 60/70 57/59 140/142 60.1/63.1 70/70 59/62 142/144 6.5/8.7 31.4/36.3...
  • Page 74 Table 66 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 44.9 46.8 4.9/6.5 23.5/27.1 74.2/78.7 80/80 71/76 173/176 76.1/80.6 80/90 74/78 175/178 6.5/8.7 31.4/36.3...
  • Page 75 Table 67 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC HTR WITH PWRD C.O. NO P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 36.8 40.6 4.9/6.5 13.6/15.6 53.8/56.3 60/60 52/55 167/169 57.6/60.1 60/70 57/59 171/173 7.8/10.4 21.7/25.0...
  • Page 76 Table 68 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC HTR WITH PWRD C.O. NO P .E. WITH P .E. (pwrd fr/unit) 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 70/74 218/221 73.4/77.5 80/80 74/78 222/225 12.0/16.0 33.4/38.5...
  • Page 77 Table 69 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC HTR WITH PWRD C.O. NO P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 49.9 53.7 7.8/10.4 21.7/25.0 77.0/81.2 80/90 78/82 252/255 80.8/85.0 90/90 82/86 256/259 12.0/16.0 33.4/38.5...
  • Page 78 Table 70 – MCA/MOCP DETERMINATION WITH PWRD C.O. ELEC HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 50.0 53.8 7.5/10.0 20.9/24.1 76.1/80.1 80/90 77/81 288/291 79.9/83.9 80/90 81/85 292/295 12.4/16.5 34.4/39.7...
  • Page 79 Table 70 - - MCA/MOCP DETERMINATION WITH PWRD C.O. (Cont.) ELEC HTR WITH PWRD C.O. WITHOUT P .E. WITH P .E. (pwrd fr/unit) TYPE DISC. SIZE DISC. SIZE (kW) MOCP MOCP 18.8 22.6 10.0 30.8 34.6 16.5 15.9 38.6 42.4 33.5 32.2 59.0...

  • Page 80: Typical Wiring Diagrams

    TYPICAL WIRING DIAGRAMS C09063 Fig. 28 - - 1- -Stage Cooling Typical Power Diagram...
  • Page 81 TYPICAL WIRING DIAGRAMS (cont.) C09065 Fig. 29 - - 2- -Stage Cooling Typical Power Diagram...
  • Page 82 TYPICAL WIRING DIAGRAMS (cont.) C09066 Fig. 30 - - PremierLink Option Diagram...
  • Page 83 TYPICAL WIRING DIAGRAMS (cont.) C101030 Fig. 31 - - Multi- -Protocol Option Diagram...

  • Page 86: Sequence Of Operation

    SEQUENCE OF OPERATION Cooling, unit without economizer If Stage 1 heating does not satisfy the space load, the space temperature will fall until thermostat calls for Stage When thermostat calls for cooling, terminals G and Y1 are 2 heating (W2 closes). Terminal W2 is energized. Defrost energized.
  • Page 87 On the initial power to the EconoMi$er IV control, it will If optional power exhaust is installed, as the outdoor air take the damper up to 2 minutes before it begins to damper opens and closes, the power exhaust fans will be position itself.
  • Page 88 If an optional power exhaust is installed, as the outdoor air The unit continues to defrost until the coil temperature as damper opens and closes, the power exhaust fans will be measured by DFT2 reaches 65_F (18_C), or the duration energized and de- - energized.

  • Page 89: Guide Specifications

    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 Network (CCN) protocol, and be compatible with other CCN devices, includ- ing ComfortLink and ComfortVIEW controllers.
  • Page 90 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 91 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 loss of charge switches. They shall physically prevent the cross- - wiring of the safety switches between circuits 1 and 2. b.
  • Page 92 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. Unit shall be stored and handled per manufacturer’s recommendations. 2. Lifted by crane requires either shipping top panel or spreader bars. 3.
  • Page 93 (2.) Optional, factory approved, watertight connection method must be used for thru- - the- - base electrical connec- tions. (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.
  • Page 94 a. The plug shall be easy to remove and replace. b. When the plug is removed, the gauge access port shall enable maintenance personnel to route their pressure gauge lines. c. This gauge access port shall facilitate correct and accurate condenser pressure readings by enabling the read- ing with the compressor access panel on.
  • Page 95 b. Independent modules for vertical or horizontal return configurations shall be available. Vertical return modules shall be available as a factory- - installed option. c. Damper blades shall be galvanized steel with composite gears. Plastic or composite blades on intake or return shall not be acceptable.
  • Page 96 7. Convenience Outlet: a. Powered convenience outlet. (1.) Outlet shall be powered from main line power to the rooftop unit. (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.
  • Page 97 Shall provide easy access through integrated quarter turn latches. b. Shall be on major panels of filter, control box, fan motor and compressor. Catalog No: 50HCQ---03PD Copyright 2011 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 03/11 Replaces: 50HCQ--- 02PD Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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