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Carrier 50TFQ004 Product Data

Single-package standard efficiency rooftop heat pump units 3 to 10 nominal tons
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Copyright 2001 Carrier Corporation
Product
Data
Rooftop Heat Pump Units
50TFQ004-007
50TFQ008-012
50TFQ004-012
Single-Package
Standard Efficiency
3 to 10 Nominal Tons
Single-package standard efficiency
rooftop heat pumps with:
• State-of-the-art defrost system
• Dependable 4-way valve operation
• Refrigerant filter strainer and
accumulator
• Field-installed electric heaters
available
• Advanced hermetic compressors
mounted on vibration isolators
• Factory-installed Apollo communi-
cating controls, non-fused discon-
nect switch, and convenience
outlet available

Features/Benefits

The 50TFQ standard
efficiency rooftop product
line combines advanced
technology with
serviceability, performance,
and flexibility .
State-of-the-art defrost system
uses time and temperature to keep the
outdoor coil frost-free for economical,
dependable operation.
Dependable 4-way valve opera-
tion safely and efficiently accom-
plishes cycle reversals, defrost, and
normal operation.
Refrigerant filter strainer and ac-
cumulator ensure performance
dependability and circuit protection.
Field-installed electric heaters
available in a wide range of capaci-
ties. Single-point wiring kit makes
installation simple.
NOTE: Some electric heater applica-
tions not available for use with
factory-installed disconnect switch.
Form 50TFQ-2PD

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  • Page 1 50TFQ008-012 Field-installed electric heaters available in a wide range of capaci- ties. Single-point wiring kit makes installation simple. NOTE: Some electric heater applica- tions not available for use with factory-installed disconnect switch. Copyright 2001 Carrier Corporation Form 50TFQ-2PD...

  • Page 2: Table Of Contents

    25 F; optional head Heavy gage roll-formed base rails the Carrier TEMP and VVT® (variable pressure control kit available for out- with forklift and rigging holes are volume and temperature) thermostats.

  • Page 3: Model Number Nomenclature

    V — Pre-coated Copper Tube/Aluminum Fin (Outdoor Coil Only) LEGEND — Aluminum — Copper FIOP — Factory-Installed Option *Refer to 50TFQ Price Pages or contact your local Carrier representative for 50TFQ code table. †Single phase is only available on 5-ton and smaller units.

  • Page 4: Ari Capacity Ratings

    ARI* capacity ratings HEATING COOLING (High Temp) SOUND UNIT NOMINAL STANDARD SEER† RATING 50TFQ TONS Capacity Capacity (Bels) HSPF Belt Direct (Btuh) (Btuh) Drive Drive 1200 35,600 10.20 10.00 34,400 1600 46,500 10.00 9.70 46,500 2000 57,000 10.00 9.90 57,000 HEATING HEATING COOLING...

  • Page 5: Physical Data

    Physical data — 50TFQ004-007 UNIT SIZE 50TFQ NOMINAL CAPACITY (tons) OPERATING WEIGHT (lb) Unit Economizer Durablade EconoMi$er Roof Curb* Hermetic COMPRESSOR Quantity Oil (oz) REFRIGERANT TYPE R-22 Operating Charge (lb-oz) Circuit 1 11-2 Circuit 2 — — — — OUTDOOR COIL Enhanced Copper Tubes, Aluminum Lanced Fins, Acutrol™...
  • Page 6 Physical data — 50TFQ008-012 UNIT SIZE 50TFQ NOMINAL CAPACITY (tons) OPERATING WEIGHT (lb) Unit 1015 Economizer Durablade EconoMi$er Roof Curb* Hermetic COMPRESSOR Quantity Oil (oz) 45 ea 54 ea 54 ea REFRIGERANT TYPE R-22 Operating Charge (lb-oz) Circuit 1 5-14 8- 6 7-14 Circuit 2...

  • Page 7: Options And Accessories

    Refer to price Electrical Convenience Outlet pages or contact your local Carrier representative for appropriate Durablade Integrated Economizer accessory combinations necessary for desired outdoor ambient temperature operation.
  • Page 8 Options and accessories (cont) ELECTRIC HEATER ACCUSENSOR™ II Electric heaters are available in a wide range of capacities for field installation. THERMOSTAT ACCUSENSOR III Zone thermostat (24 v) provides one- or 2-stage cooling for control of unit. Matching subbases are available with or without tamperproof switches and automatic changeover.
  • Page 9 FACTORY-INSTALLED APOLLO COMMUNICATING CONTROLS The Apollo direct digital controls are designed exclusively by Carrier, and are used to actively monitor and control all modes of operation as well as to monitor indoor-fan status, filter status, supply-air temperature, outdoor-air temperature, and indoor-air quality.
  • Page 10 Options and accessories (cont) CONVENIENCE OUTLET UNIT MOUNTED DISCONNECT Factory-installed, internally-mounted and externally accessible 115-v female receptacle. Includes 15-amp GFI receptacle with independent fuse protection. Voltage required to operate con- Factory-installed, internally-mounted, NEC and UL approved non- venience outlet is provided by a factory-installed step down fused switch provides unit power shutoff.

  • Page 11: Base Unit Dimensions

    Base unit dimensions — 50TFQ004-007 STD UNIT DURABLADE ECONOMI$ER WEIGHT ECON WEIGHT WEIGHT CORNER WEIGHT CORNER WEIGHT CORNER WEIGHT CORNER WEIGHT UNIT 50TFQ004 15.4 21.3 50TFQ005 15.4 21.3 15.4 21.3 50TFQ006 50TFQ007 15.4 21.3 NOTES: CONNECTION SIZES 1. Dimensions in [ ] are in millimeters.
  • Page 12 Base unit dimensions — 50TFQ008-012 DURABLADE CORNER CORNER CORNER CORNER STD UNIT ECONOMI$ER ECONOMIZER WEIGHT WEIGHT WEIGHT WEIGHT “H” “J” “K” WEIGHT WEIGHT UNIT WEIGHT Ft-in. Ft-in. Ft-in. 50TFQ008 2- 0 1050 50TFQ009 2- 0 1050 50TFQ012 1015 2-10 1253 BOTTOM POWER CHART, NOTES: CONNECTION SIZES...

  • Page 13: Accessory Dimensions

    Accessory dimensions — 50TFQ004-007 CONNECTOR D ALT ROOF CURB POWER CONTROL UNIT SIZE PKG. ACCY. DRAIN HOLE ACCESSORY ″ [19] NPT CRBTMPWR001A00 ″ ″ 1′-2″ CRRFCURB001A00 [356] ″ [31.7] [19] NPT [12.7] CRBTMPWR002A00 50TFQ004-007 ″ ″ 2′-0″ ″ 1′-9 1′-4″...
  • Page 14 Accessory dimensions — 50TFQ008-012 D ALT ROOF CURB UNIT SIZE CONNECTOR “A” DRAIN POWER CONTROL ACCESSORY 50TFQ PKG. ACCY. HOLE CRRFCURB003A00 1′-2″ [356] ″ [19] NPT ″ ″ CRBTMPWR001A00 008-012 2′-0″ [610] CRRFCURB004A00 ″ [31.7] [19] NPT [12.7] NPT CRBTMPWR002A00 ″...

  • Page 15: Selection Procedure

    Selection procedure (with 50TFQ005 example) I Determine cooling and heating loads at Enter the Electric Heating Capacities table (page 51) design conditions. for 50TFQ005 at 208/230, 3 phase. The 6.5-kW heater at 240 v most closely satisfies the heating Given: required.

  • Page 16: Performance Data

    Performance data COOLING CAPACITIES 50TFQ004 (3 TONS) Indoor Entering Air — Cfm/BF Temp (F) 900/0.10 1200/0.15 1500/0.21 Outdoor Entering Air Indoor Entering Air — Ewb (F) (Edb) 42.4 39.9 36.5 43.0 41.2 38.7 45.1 42.8 40.3 16.7 22.0 26.8 17.5 24.2...
  • Page 17 COOLING CAPACITIES (cont) 50TFQ006 (5 TONS) Indoor Entering Air — Cfm/BF Temp (F) 1500/0.05 2000/0.08 2500/0.14 Outdoor Entering Air Indoor Entering Air — Ewb (F) (Edb) 69.3 64.5 59.3 70.8 67.9 62.8 72.9 69.3 65.4 30.9 39.2 47.4 33.1 44.9 55.4 35.8 49.4...
  • Page 18 Performance data (cont) COOLING CAPACITIES (cont) 50TFQ008 (7 TONS) Indoor Entering Air — Cfm/BF Temp (F) 2250/0.04 3000/0.06 3200/0.08 3750/0.11 Outdoor Entering Air Indoor Entering Air — Ewb (F) (Edb) 109.8 101.4 92.2 116.2 107.0 98.0 117.6 108.8 100.2 118.8 110.4 102.4 44.2...
  • Page 19 COOLING CAPACITIES (cont) 50TFQ012 (10 TONS) Indoor Entering Air — Cfm/BF Temp (F) 2800/0.11 3750/0.16 4100/0.18 4700/0.21 Outdoor Entering Air Indoor Entering Air — Ewb (F) (Edb) 127.4 120.4 110.6 134.2 126.2 116.2 135.6 127.4 117.8 137.0 129.0 120.6 60.0 76.4 91.0 66.2...
  • Page 20 Performance data (cont) INSTANTANEOUS AND INTEGRATED HEATING RATINGS 50TFQ004 Return Air Temperature Entering Outdoor Coil (F) (Standard (F db) Air) Cap. 15.4 13.1 19.2 17.6 21.7 19.8 27.4 24.0 31.9 31.9 35.3 35.3 36.9 36.9 41.4 41.4 2.25 2.44 2.57 2.86...
  • Page 21 INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) 50TFQ006 Return Air Temperature Entering Outdoor Coil (F) (Standard (F db) Air) Cap. 29.7 25.2 34.5 31.7 38.4 35.0 46.0 40.3 52.4 52.4 57.2 57.2 59.6 59.6 67.9 67.9 1500 3.96 4.14 4.30 4.62 4.90 5.14 5.25...
  • Page 22 Performance data (cont) INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) 50TFQ008 Return Air Temperature Entering Outdoor Coil (F) (Standard (F db) Air) Cap. 36.6 31.2 44.0 40.4 49.8 45.4 61.4 53.8 70.4 70.4 77.4 77.4 80.6 80.6 91.8 91.8 2000 5.24 5.64 5.94 6.58...
  • Page 23 INSTANTANEOUS AND INTEGRATED HEATING RATINGS (cont) 50TFQ012 Return Air Temperature Entering Outdoor Coil (F) (Standard (F db) Air) Cap. 52.2 44.4 62.2 57.0 69.6 63.4 84.2 73.8 96.0 96.0 104.6 104.6 108.8 108.8 123.6 123.6 2650 7.20 7.58 7.86 8.46 9.00 9.42 9.62...
  • Page 24 0.67 1500 0.42 0.53 0.61 1029 0.66 1073 0.72 1109 0.77 50TFQ004 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont) External Static Pressure (in. wg) Airflow (Cfm) Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts 0.39 0.43 1039 0.45...
  • Page 25 1160 0.84 1237 0.85 1500 0.53 1029 0.66 1109 0.77 1190 1.00 1271 0.95 50TFQ004 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont) External Static Pressure (in. wg) Airflow (Cfm) Watts Watts Watts Watts Watts 1105 0.57 1140 0.63 1170 0.68...
  • Page 26 49 for accessory/FIOP static pressure information. 1. Boldface indicates field-supplied motor drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates field-supplied motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 27 52 for additional information. supplied drive. 4. Use of a field-supplied motor may affect wire sizing. Contact your Carrier representative for details. NOTES: 5. Interpolation is permissible. Do not extrapolate. 1. Boldface indicates field-supplied drive is required.
  • Page 28 49 for accessory/FIOP static pressure information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates field-supplied motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 29 52 for additional information. supplied drive. 5. Use of a field-supplied motor may affect wire sizing. Contact your Carrier representative for details. NOTES: 6. Interpolation is permissible. Do not extrapolate. 1. Boldface indicates field-supplied drive is required.
  • Page 30 49 for accessory/FIOP static pressure information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your Carrier representative for details. indicates field-supplied motor and drive are required. 6. Interpolation is permissible. Do not extrapolate.
  • Page 31 52 for additional information. supplied drive. 5. Use of a field-supplied motor may affect wire sizing. Contact your Carrier representative for details. NOTES: 6. Interpolation is permissible. Do not extrapolate. 1. Boldface indicates field-supplied drive is required.
  • Page 32 49 for accessory/FIOP static pressure information. NOTES: 5. Use of a field-supplied motor may affect wire sizing. Contact your 1. Boldface indicates field-supplied drive is required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate. indicates field-supplied motor and drive are required.
  • Page 33 52 for additional information. supplied drive. 5. Use of a field-supplied motor may affect wire sizing. Contact your Carrier representative for details. NOTES: 6. Interpolation is permissible. Do not extrapolate. 1. Boldface indicates field-supplied drive is required.
  • Page 34 49 for accessory/FIOP static pressure information. NOTES: 5. Use of a field-supplied motor may affect wire sizing. Contact your 1. Boldface indicates field-supplied drive is required. Carrier representative to verify. 6. Interpolation is permissible. Do not extrapolate. indicates field-supplied motor and drive are required.
  • Page 35 52 for additional information. supplied drive. 5. Use of a field-supplied motor may affect wire sizing. Contact your Carrier representative for details. NOTES: 6. Interpolation is permissible. Do not extrapolate. 1. Boldface indicates field-supplied drive is required.
  • Page 36 3. Values include losses for filters, unit casings, and wet coils. See 1. Boldface indicates high-static motor and drive are required. page 49 for accessory/FIOP static pressure information. 4. Use of a field-supplied motor may affect wire sizing. Contact your Carrier representative for details. 5. Interpolation is permissible. Do not extrapolate.
  • Page 37 0.51 1400 0.29 1500 0.33 0.38 0.43 0.48 0.53 1014 0.58 50TFQ004 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont) External Static Pressure (in. wg) Airflow (Cfm) Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts 0.32 0.35 0.38...
  • Page 38 0.51 1071 0.60 1208 0.70 1500 0.38 0.48 1014 0.58 1097 0.68 1245 0.74 50TFQ004 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont) External Static Pressure (in. wg) Airflow (Cfm) Watts Watts Watts Watts Watts 1120 0.54 1155 0.59 1186 0.64...
  • Page 39 5. Interpolation is permissible. Do not extrapolate. indicates field-supplied motor and drive are required. 6. Use of a field-supplied motor may affect wire sizing. Contact your Carrier rep- resentative for details. 50TFQ005 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* External Static Pressure (in.
  • Page 40 Indoor-Fan Motor Performance table on page 52. 3. Use of a field-supplied motor may affect wire sizing. Contact your NOTES: Carrier representative for details. 1. Values include losses for filters, unit casing, and wet coils. See page 49 for accessory/FIOP static pressure information.
  • Page 41 5. Use of a field-supplied motor may affect wire sizing. Contact your NOTES: Carrier representative for details. 1. Boldface indicates field-supplied drive is required. 6. Interpolation is permissible. Do not extrapolate. indicates field-supplied motor and drive are required.
  • Page 42 49 for accessory/FIOP static pressure information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates field-supplied motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 43 52 for additional information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates field-supplied motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 44 49 for accessory/FIOP static pressure information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates high-static motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 45 52 for additional information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates field-supplied motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 46 49 for accessory/FIOP static pressure information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates field-supplied motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 47 52 for additional information. 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates field-supplied motor and drive are required. Carrier representative for details. 6. Interpolation is permissible. Do not extrapolate.
  • Page 48 1. Boldface indicates field-supplied drive is required. 5. Use of a field-supplied motor may affect wire sizing. Contact your indicates high-static motor and drive are required. Carrier representative for details. For additional information on motor performance, refer to Indoor-Fan Motor Performance table on page 52.
  • Page 49 ACCESSORY/FIOP STATIC PRESSURE* (in. wg) — 50TFQ004-007 COMPONENT 1200 1400 1600 1800 2000 2200 2400 2600 3000 1 Heater Module 0.05 0.07 0.09 0.09 0.10 0.11 0.11 0.12 0.13 0.15 2 Heater Modules 0.15 0.16 0.16 0.16 0.17 0.17 0.17 0.18...
  • Page 50 Performance data (cont) DURABLADE ECONOMIZER BAROMETRIC DURABLADE ECONOMIZER BAROMETRIC RELIEF DAMPER CHARACTERISTICS — RELIEF DAMPER CHARACTERISTICS — 50TFQ008-012 50TFQ004-007 ECONOMI$ER BAROMETRIC RELIEF DAMPER CHARACTERISTICS 0.25 0.20 0.15 0.10 0.05 0.00 1000 1500 2000 3 TO 6 TON FLOW (CFM) 7 1/2 TO 10 TON...
  • Page 51 ELECTRIC HEATING CAPACITIES UNIT VOLTAGE ACCESSORY UNIT UNIT ACCESSORY 50TFQ (60 Hz) VOLTAGE 50TFQ (60 Hz) 208/230 10.5 (single phase) 208/230 10.5 16.0 (3 phase) 13.0* 21.0* 26.5* 208/230 11.5 (3 phase) 10.5 14.0 (3 phase) 16.0 23.0* 25.5* 10.5 (3 phase) 11.5 16.0...
  • Page 52 Performance data (cont) INDOOR-FAN MOTOR PERFORMANCE UNIT INDOOR-FAN UNIT MAXIMUM ACCEPTABLE MAXIMUM ACCEPTABLE MAXIMUM 50TFQ MOTOR VOLTAGE CONTINUOUS BHP* OPERATING WATTS AMP DRAW 208/230 Standard 0.34 208/230 Alternate 1.00 1000 208/230 High Static 2.40 2120 208/230 Standard 0.75 208/230 Alternate 1.00 1000 208/230...

  • Page 53: Electrical Data

    Electrical data UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET VOLTAGE COMPRESSOR ELECTRIC DISCONNECT POWER SUPPLY RANGE (each) HEAT* SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal MOCP kW** — — 25.5/ 25.5 30/ 30†† 25/ 25 107/107 3.3/ 4.4 15.9/18.3 45.4/ 48.4 50/ 50†† 43/ 46 123/125 4.9/ 6.5...
  • Page 54 Electrical data (cont) UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont) VOLTAGE COMPRESSOR ELECTRIC DISCONNECT POWER SUPPLY RANGE (each) HEAT* SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal Min Max MOCP kW** — — 13.1 15†† 22.1 25†† 50.0 11.5 13.8 30.4 35†† 14.0 16.8 34.1...
  • Page 55 UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont) VOLTAGE COMPRESSOR DISCONNECT ELECTRIC HEAT* POWER SUPPLY RANGE (each) SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal Min Max MOCP kW** — — 35.6/ 35.6 40/ 40†† 34/ 34 190/190 4.9/ 6.5 13.6/15.6 52.6/ 55.1 60/ 60††...
  • Page 56 Electrical data (cont) UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont) VOLTAGE COMPRESSOR DISCONNECT ELECTRIC HEAT* POWER SUPPLY RANGE (each) SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal MOCP kW** — — 44.6/ 44.6 45/ 45†† 47/ 47 321/321 7.8/10.5 21.7/ 25.0 71.7/ 75.9 80/ 80 72/ 75 343/346...
  • Page 57 UNITS WITH ELECTRICAL CONVENIENCE OUTLET VOLTAGE COMPRESSOR ELECTRIC DISCONNECT POWER SUPPLY RANGE (each) HEAT* SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal MOCP kW** — — 30.3/ 30.3 35/ 35†† 30/ 30 112/112 3.3/ 4.4 15.9/18.3 50.2/ 53.2 60/ 60†† 48/ 51 128/130 4.9/ 6.5 23.6/27.1...
  • Page 58 Electrical data (cont) UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont) VOLTAGE COMPRESSOR ELECTRIC DISCONNECT POWER SUPPLY RANGE (each) HEAT* SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal Min Max MOCP kW** — — 15.3 20†† 24.3 25†† 50.0 11.5 13.8 32.5 35†† 14.0 16.8 36.3...
  • Page 59 UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont) VOLTAGE COMPRESSOR ELECTRIC DISCONNECT POWER SUPPLY RANGE (each) HEAT* SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal Min Max MOCP kW** — — 40.4/ 40.4 45/ 45†† 40/ 40 195/195 4.9/ 6.5 13.6/15.6 57.4/ 59.9 60/ 60††...
  • Page 60 Electrical data (cont) UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont) VOLTAGE COMPRESSOR ELECTRIC DISCONNECT POWER SUPPLY RANGE (each) HEAT* SIZE† UNIT NOMINAL 50TFQ V-PH-Hz TYPE Nominal MOCP kW** — — 49.4/ 49.9 50/ 50†† 52/ 52 326/326 7.8/10.5 21.7/ 25.0 76.5/ 80.7 80/ 90 77/ 81 348/351...
  • Page 61 LEGEND AND NOTES FOR ELECTRICAL TABLES LEGEND Example: Supply voltage is 460-3-60. — Full Load Amps AB = 452 v HACR — Heating, Air Conditioning and Refrigeration BC = 464 v — Indoor Fan Motor AC = 455 v LRA — Locked Rotor Amps MCA —...

  • Page 62: Typical Piping And Wiring

    Typical piping and wiring VERTICAL DISCHARGE DUCTING HORIZONTAL DISCHARGE DUCTING LEGEND NEC — National Electrical Code...

  • Page 63: Typical Wiring Schematic

    Typical wiring schematic — 50TFQ004-007 LEGEND — Adjustable Heat Anticipator AWG — American Wire Gage — Contactor, Compressor — Capacitor — Circuit Breaker — Cooling Capacitor — Crankcase Heater COMP — Compressor Motor — Diode — Defrost Board — Defrost Thermostat —...
  • Page 64 Typical wiring schematic — 50TFQ008-012 LEGEND — Adjustable Heat Anticipator — Contactor, Compressor — Capacitor — Circuit Breaker — Cooling Capacitor — Crankcase Heater COMP — Compressor Motor — Diode — Defrost Board — Defrost Thermostat — Enthalpy Control ECON —...

  • Page 65: Controls

    Compressor no. 1 and the outdoor fan will be energized and the position of the economizer damper Heating, units without economizer (50TFQ004- will be determined by the supply-air temperature. Com- 007) — Set system switch at AUTO. or HEAT position.
  • Page 66 Controls (cont) 3. If Y1 is energized, and the compressor is already NOTE: Compressors have a 2-minute Minimum On, Mini- energized (see Step 2) and the room thermostat calls mum Off, and Interstage delay timer. for Y2, the compressor continues to operate. 1.
  • Page 67 Defrost (50TFQ004-007) — As frost builds up on the timed period (adjustable at 30, 50, or 90 minutes), revers- outdoor coil, the coil temperature drops below 28 F. When ing valve solenoids (RVS1 and RVS2) are energized and this outdoor-coil temperature drop is sensed by the defrost the OFC is deenergized.
  • Page 68 THERMOSTAT AND APOLLO CONTROL WIRING LEGEND C — Contactor NOTE: Refer to Product Support Bulletin No. 93-005 or contact your local Carrier representative for shielded wire applications when wiring the thermostat to the Apollo control and for all communication bus wir- ing connections.
  • Page 69 APOLLO COMMUNICATING CONTROL WIRING SCHEMATIC, 50TFQ008-012 UNITS LEGEND — Contactor — Normally Closed CHAS — Ground NO — Normally Open COM — Common OAT — Outdoor-Air Thermostat — Direct Expansion SAT — Saturated-Air Temperature ECON — Economizer VVT — Variable Volume/Variable GND —...
  • Page 70 TEMP systems The TEMP System’s inherently flexible, modular base design supports the exact number of independent, single A TEMP System is a network of communicating Carrier zone systems you require...no more, no less, no TEMP System Thermostats and rooftop, factory-mounted compromises.
  • Page 71 VVT Systems are dedicated to total building comfort. maintenance economics of single zone equipment...virtual- Carrier thermostats, zone dampers, and HVAC equipment ly putting an end to the cost vs comfort compromise. with factory-mounted direct digital controls continually monitor and adjust their operation to ensure uninterrupted and personalized comfort for all occupants.

  • Page 72: Application Data

    Apollo direct digital controls — The Apollo direct digi- tal controls must be used with either a Carrier master or Heating-to-cooling changeover — All units are auto- monitor thermostat.

  • Page 73: Guide Specifications

    Size Range: 3 to 10 Tons, Nominal Cooling corrosion-resistant finish and shall be dynamically balanced. Carrier Model Number: 50TFQ 3. Bearings shall be of the sealed, permanently lubri- Part 1 — General cated, ball-bearing type for longer life and lower 1.01 SYSTEM DESCRIPTION...
  • Page 74 * are specified. For assistance in amend- Manual damper package shall consist of damper, birdscreen, and rainhood which can be preset ing the specifications, your local Carrier Sales Office to admit up to 25% outdoor air for year-round should be contacted.
  • Page 75 Alternate motors and drives shall be factory- *11. Electric Resistance Heaters: installed to provide additional performance range. a. Open wire nichrome elements with all neces- 20. High-Static Motor(s) and Drive(s) (50TFQ004- sary safety operating controls. 012): b. UL listed and indicated on basic unit informa- High-static motor(s) and drive(s) shall be factory- tive plate.
  • Page 76 Carrier Corporation • Syracuse, New York 13221 1-01 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Book 1 Pg 76 Catalog No. 525-00011 Printed in U.S.A.

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