Carrier 50HS Product Data Download Page 12

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Performance data (cont)

COOLING CAPACITIES (cont)

50HS048 (4 TONS)

Temp (F)

Air Ent

Outdoor

Coil

(edb)

Indoor Entering Air — Cfm/BF

1400/0.06

1600/0.07

1800/0.08

Evap Air — Ewb (F)

63*

52.9 48.4 44.9 44.0 53.9 49.3 45.7 44.9 54.2 49.8 46.2 45.8

SHC 26.3 33.8 32.8 40.8 27.6 36.1 34.9 43.6 28.5 38.0 36.9 45.7
kW

4.82 4.75 4.70 4.68 4.94 4.86 4.82 4.79 5.04 4.97 4.93 4.90

50.8 46.3 42.7 41.9 51.7 47.0 43.3 42.8 52.1 47.6 43.8 44.0

SHC 25.6 33.1 31.8 39.7 26.9 35.2 33.9 42.4 28.0 37.3 35.9 44.0
kW

5.30 5.23 5.18 5.15 5.43 5.34 5.29 5.27 5.53 5.45 5.40 5.38

105

48.5 43.9 40.5 39.7 49.2 44.5 41.0 40.9 49.7 45.0 41.5 42.0

SHC 24.8 32.1 30.9 38.6 26.1 34.3 32.9 40.9 27.3 36.4 34.9 42.0
kW

5.83 5.76 5.68 5.66 5.96 5.87 5.80 5.79 6.07 5.99 5.91 5.92

115

46.0 41.4 38.2 37.6 46.7 41.9 38.6 38.9 47.0 42.3 39.0 40.0

SHC 24.1 31.1 29.9 37.5 25.3 33.3 31.9 38.9 26.5 35.4 33.8 40.0
kW

6.42 6.32 6.22 6.20 6.54 6.44 6.34 6.35 6.65 6.55 6.46 6.48

50HS060 (5 TONS)

Temp (F)

Air Ent

Outdoor

Coil

(edb)

Indoor Entering Air — Cfm/BF

1750/0.03

2000/0.04

2250/0.04

Evap Air — Ewb (F)

63*

66.3 59.8 55.3 53.6 67.3 60.6 56.1 54.7 67.8 61.1 56.6 56.2

SHC 32.8 42.1 40.8 51.0 34.5 45.0 43.5 54.4 35.8 47.7 46.1 56.2
kW

6.12 5.98 5.87 5.85 6.27 6.12 6.02 5.99 6.40 6.25 6.15 6.15

63.4 56.8 52.3 50.8 64.2 57.5 53.0 52.5 64.7 57.9 53.4 53.9

SHC 31.8 41.0 39.6 49.7 33.5 44.0 42.3 52.3 34.9 46.6 44.9 53.9
kW

6.71 6.55 6.45 6.42 6.86 6.68 6.59 6.56 6.98 6.82 6.73 6.73

105

60.2 53.8 49.5 48.2 60.9 54.4 50.0 49.9 61.3 54.8 50.3 51.3

SHC 30.9 40.0 38.4 48.2 32.4 42.8 41.1 49.8 33.9 45.5 43.6 51.3

7.34 7.17 7.06 7.03 7.48 7.31 7.20 7.21 7.61 7.44 7.34 7.39

115

56.8 50.7 46.6 46.0 57.5 51.1 47.0 47.5 57.8 51.4 47.2 48.8

SHC 29.6 38.8 37.2 45.9 31.3 41.7 39.9 47.5 32.9 44.4 42.4 48.8
kW

8.00 7.86 7.72 7.72 8.17 7.99 7.86 7.90 8.29 8.13 8.00 8.08

LEGEND

— Bypass Factor

Edb

— Entering Dry-Bulb

Ewb

— Entering Wet-Bulb

— Total Unit Power Input

Ldb

— Leaving Dry-Bulb

Lwb

— Leaving Wet-Bulb

SHC — Sensible Heat Capacity (1000 Btuh) Net
TC

— Total Capacity (1000 Btuh) Net

*At 75 F entering dry bulb (Tennessee Valley Authority [TVA] rating conditions); all

others at 80 F entering dry bulb.

NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:

sensible capacity (Btuh)

= t

−

ldb

edb

1.10 x cfm

= Wet-bulb temperature corresponding to enthalpy of air leaving

lwb

evaporator coil (h

)

lwb

total capacity (Btuh)

= h

−

lwb

ewb

4.5 x cfm

Where:

= Enthalpy of air entering evaporator coil

ewb

3. The SHC is based on 80 F edb temperature of air entering evaporator coil.

Below 80 F edb, subtract (corr factor x cfm) from SHC.

Above 80 F edb, add (corr factor x cfm) to SHC.

Correction Factor = 1.10 x (1 − BF) x (edb − 80).

HEATING CAPACITIES

50HS018 (1

⁄

TONS)

Temp (F)

Air Ent

Indoor

Coil

Indoor

Air

Cfm

(std)

Air Temp Entering Outdoor Coil (F db at 70% rh)

−10

525

Cap. 2.83 2.83 5.33 5.33 7.83 7.39

9.58

8.74 10.30 9.32 12.80 11.20 15.90 15.20 18.00 18.00 19.00 19.00 22.50 22.50

1.37

1.43

1.49

1.53

1.55

1.61

1.68

1.73

1.75

1.83

675

Cap. 2.99 2.99 5.57 5.57 8.16 7.69

9.96

9.09 10.70 9.68 13.30 11.70 16.50 15.80 18.70 18.70 19.70 19.70 23.20 23.20

1.43

1.48

1.53

1.57

1.58

1.63

1.69

1.73

1.75

1.80

750

Cap. 3.06 3.06 5.67 5.67 8.29 7.82 10.10 9.23 10.90 9.83 13.50 11.80 16.70 16.00 19.00 19.00 20.00 20.00 23.40 23.40

1.46

1.51

1.55

1.59

1.60

1.65

1.70

1.74

1.76

1.80

525

Cap. 2.30 2.30 4.75 4.75 7.20 6.80

8.92

8.13

9.65

8.70 12.10 10.60 15.00 14.40 17.10 17.10 18.10 18.10 21.50 21.50

1.38

1.45

1.52

1.57

1.59

1.66

1.74

1.79

1.82

1.90

675

Cap. 2.44 2.44 4.98 4.98 7.52 7.10

9.30

8.48 10.10 9.07 12.60 11.00 15.70 15.00 17.80 17.80 18.90 18.90 22.40 22.40

1.44

1.50

1.56

1.60

1.62

1.68

1.75

1.80

1.82

1.88

750

Cap. 2.55 2.55 5.11

5.11 7.67 7.23

9.46

8.62 10.20 9.22 12.80 11.20 15.90 15.20 18.10 18.10 19.10 19.10 22.70 22.70

1.47

1.53

1.59

1.63

1.64

1.70

1.76

1.81

1.83

1.89

525

Cap. 1.74 1.74 4.14 4.14 6.55 6.19

8.23

7.51

8.95

8.07 11.40

9.95

14.20 13.60 16.20 16.20 17.20 17.20 20.50 20.50

1.37

1.45

1.52

1.57

1.59

1.66

1.74

1.79

1.82

1.90

675

Cap. 1.88 1.88 4.37 4.37 6.87 6.49

8.61

7.85

9.36

8.44 11.90 10.40 14.80 14.20 16.90 16.90 17.90 17.90 21.30 21.30

1.44

1.51

1.59

1.64

1.66

1.73

1.81

1.86

1.88

1.95

750

Cap. 1.97 1.97 4.49 4.49 7.00 6.61

8.76

7.99

9.52

8.58 12.00 10.50 15.00 14.40 17.10 17.10 18.20 18.20 21.70 21.70

1.47

1.54

1.61

1.66

1.68

1.75

1.82

1.87

1.89

1.96

LEGEND

Cap. — Heating Capacity (1000 Btuh) (Includes Indoor-Fan Motor Heat)
db

— Dry Bulb

— Total Power Input (Includes Compressor Motor Power Input, Outdoor-

Fan Motor Input, and Indoor-Fan Motor Input)

— Relative Humidity

NOTES:

indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the effect of frost

on the outdoor coil and the heat required to defrost it.

Summary of Contents for 50HS

Page 1: ...nal base rail unit provides an elevated base Convertible duct configuration on the 50HS is designed for easy use in either downflow or horizontal dis charge applications Efficient operation High efficiency design with SEERs Seasonal Energy Efficiency Ratios up to 10 1 and HSPFs Heating Seasonal Performance Factors of up to 7 0 Durable dependable components Compressors are designed for high efficie...

Page 2: ...m checks for coil icing conditions at preset time intervals and initiates a defrost cycle only if required The defrost cycle ends as soon as defrosting is accomplished Weatherized cabinets are con structed of heavy duty phosphated zinc coated prepainted steel capable of withstanding 500 hours in salt spray Interior surfaces of the indoor compartment are insulated with foil faced fiberglass to help...

Page 3: ... 64 9 70 1 70 5 70 4 70 4 74 5 71 5 500 65 3 68 3 69 2 69 0 69 9 74 3 72 7 1000 71 2 72 6 74 1 72 2 75 3 75 2 73 9 2000 69 0 69 4 70 0 71 1 73 8 72 6 73 4 4000 64 7 67 8 68 9 70 3 75 1 68 6 71 7 8000 59 8 60 9 64 0 63 9 69 2 61 2 66 3 Physical data UNIT 50HS 018 024 030 036 042 048 060 REFRIGERANT R 22 Refrigerant Control Acutrol System SHIPPING WEIGHT lb Without Base Rails 233 256 268 288 359 359...

Page 4: ...y adjustable to different positions Thermostat and subbase provide heating and cooling unit control The subbase provides system and fan switch ing at the thermostat location Electronic programmable thermostat provides 2 stage heating and 2 stage cooling control with remote communi cation ability Low ambient kit Motormastert II device allows the use of mechanical cooling down to outdoor ambient tem...

Page 5: ...0 10 6 270 50HS036 20 1 511 20 2 513 12 4 314 REQ D CLEARANCES FOR SERVICING in mm Indoor Coil Access Side 30 762 Control Box Access Side 30 762 Except for NEC requirements Unit Top 36 914 Side Opposite Ducts 30 762 REQ D CLEARANCES TO COMBUSTIBLE MAT L in mm Unit Top 0 Duct Side of Unit 0 Side Opposite Ducts 0 Bottom of Unit 0 Vertical Discharge First 12 in 305 of Supply Duct 1 25 NEC REQ D CLEAR...

Page 6: ...511 20 2 513 12 9 329 50HS036 20 0 508 20 3 515 14 7 373 REQ D CLEARANCES FOR SERVICING in mm Indoor Coil Access Side 30 762 Control Box Access Side 30 762 Except for NEC requirements Unit Top 36 914 Side Opposite Ducts 30 762 REQ D CLEARANCES TO COMBUSTIBLE MAT L in mm Unit Top 0 Duct Side of Unit 0 Side Opposite Ducts 0 Bottom of Unit 0 Vertical Discharge First 12 in 305 of Supply Duct 1 25 NEC ...

Page 7: ... 762 Except for NEC requirements Unit Top 36 914 Side Opposite Ducts 30 762 REQ D CLEARANCES TO COMBUSTIBLE MAT L in mm Unit Top 0 Duct Side of Unit 0 Side Opposite Ducts 0 Bottom of Unit 0 Vertical Discharge First 12 in 305 of Supply Duct 1 25 NEC REQ D CLEARANCES in mm Between Units Control Box Side 42 1067 Unit and Ungrounded Surfaces Control Box Side 36 914 Unit and Block or Concrete Walls and...

Page 8: ...cess Side Except for NEC requirements 30 762 Unit Top 36 914 Side Opposite Ducts 30 762 REQ D CLEARANCES TO COMBUSTIBLE MAT L in mm Unit Top 0 Duct Side of Unit 0 Side Opposite Ducts 0 Bottom of Unit 0 Vertical Discharge First 12 in 305 of Supply Duct 1 25 NEC REQ D CLEARANCES in mm Between Units Control Box Side 42 1067 Unit and Ungrounded Surfaces Control Box Side 36 914 Unit and Block or Concre...

Page 9: ...et up for unit being installed 2 Seal strip must be applied as required for unit being installed 3 Dimensions in are in millimeters 4 Roof curb is made of 16 gage steel 5 Attach ductwork to curb flanges of duct rest on curb 6 Service clearance 4 ft on each side 7 Direction of airflow 8 Insulated panels 1 in thick fiberglass 1 lb density 9 ...

Page 10: ... Select integrated heating capacity value since deductions for outdoor coil frost and defrosting have already been made No correction is required The required heating capacity is 28 550 Btuh There fore 13 650 Btuh 28 550 14 900 additional elec tric heat is required Determine additional electric heat capacity in kW 13 650 Btuh 4 0 kW of heat required 3414 Btuh kW Enter the Electric Heater Packages ...

Page 11: ... 5 22 3 28 6 24 9 22 7 23 0 SHC 14 0 18 0 17 3 21 5 14 8 19 3 18 4 22 3 15 5 20 5 19 6 23 0 kW 3 74 3 62 3 52 3 51 3 81 3 70 3 60 3 61 3 88 3 77 3 67 3 71 50HS036 3 TONS Temp F Air Ent Outdoor Coil edb Indoor Entering Air Cfm BF 1050 0 10 1300 0 13 1500 0 14 Indoor Entering Air Ewb F 72 67 63 62 72 67 63 62 72 67 63 62 85 TC 40 1 36 8 33 9 33 1 40 8 37 7 34 9 34 4 41 4 38 2 35 5 35 3 SHC 19 8 25 4...

Page 12: ...le capacity Btuh t t ldb edb 1 10 x cfm t Wet bulb temperature corresponding to enthalpy of air leaving lwb evaporator coil h lwb total capacity Btuh h h lwb ewb 4 5 x cfm Where h Enthalpy of air entering evaporator coil ewb 3 The SHC is based on 80 F edb temperature of air entering evaporator coil Below 80 F edb subtract corr factor x cfm from SHC Above 80 F edb add corr factor x cfm to SHC Corre...

Page 13: ...oil F db at 70 rh 10 0 10 17 20 30 40 47 50 60 60 875 Cap 4 25 4 25 8 41 8 41 12 60 11 90 15 50 14 10 16 70 15 10 20 90 18 30 26 30 25 30 30 10 30 10 32 00 32 00 38 20 38 20 kW 1 99 2 11 2 24 2 33 2 37 2 49 2 64 2 75 2 79 2 95 1000 Cap 4 30 4 30 8 55 8 55 12 80 12 10 15 80 14 40 17 00 15 40 21 30 18 70 26 90 25 80 30 80 30 80 32 60 32 60 38 80 38 80 kW 2 03 2 15 2 27 2 35 2 39 2 50 2 64 2 74 2 78 ...

Page 14: ...Coil F db at 70 rh 10 0 10 17 20 30 40 47 50 60 60 1225 Cap 14 80 13 60 18 30 16 80 22 20 20 40 25 20 23 00 26 70 24 20 31 70 27 80 37 10 37 10 41 80 41 80 42 80 42 80 47 30 47 30 kW 2 28 2 47 2 68 2 82 2 89 3 12 3 37 3 60 3 64 3 85 1440 Cap 15 20 13 90 18 70 17 20 22 70 20 80 25 70 23 40 27 20 24 70 32 30 28 30 37 70 37 70 41 80 41 80 42 80 42 80 46 30 46 30 kW 2 34 2 53 2 73 2 87 2 93 3 16 3 40 ...

Page 15: ...tdoor Coil F db at 70 rh 10 0 10 17 20 30 40 47 50 60 60 1750 Cap 12 20 12 20 19 60 19 60 27 00 25 40 32 20 29 30 34 40 31 00 41 80 36 60 51 10 48 90 57 60 57 60 60 40 60 40 70 10 70 10 kW 3 86 4 01 4 17 4 28 4 32 4 48 4 68 4 82 4 88 5 09 2000 Cap 12 60 12 60 20 00 20 00 27 40 25 80 32 60 29 80 34 90 31 40 42 30 37 00 51 70 49 50 58 30 58 30 61 20 61 20 70 70 70 70 kW 3 94 4 08 4 21 4 31 4 35 4 49...

Page 16: ...fm 1288 1227 1205 1168 1116 1064 949 851 Med Watts 557 549 571 509 506 480 465 430 394 358 Cfm 1566 1536 1485 1440 1388 1326 1253 1124 995 366 High Watts 836 783 757 721 697 660 623 589 555 511 465 Cfm 2010 1955 1915 1851 1747 1654 1540 1415 1305 1134 852 048 Low Watts 1080 1040 1020 970 910 840 785 730 680 620 540 Cfm 2100 2090 2080 2060 1980 1900 1810 1710 1590 1450 1200 High Watts 1230 1190 112...

Page 17: ...27 1205 1168 1116 1064 949 851 Med Watts 557 549 571 509 506 480 465 430 394 358 Cfm 1566 1536 1485 1440 1388 1326 1253 1124 995 366 High Watts 836 783 757 721 697 660 623 589 555 511 465 Cfm 2010 1955 1915 1851 1747 1654 1540 1415 1305 1134 852 048 Low Watts 1080 1040 1020 970 910 840 785 730 680 620 540 Cfm 2100 2090 2080 2060 1980 1900 1810 1710 1590 1450 1200 High Watts 1230 1190 1125 1060 101...

Page 18: ...HS FILTER SIZE in CFM 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 018 024 20 x 20 0 05 0 07 0 08 0 10 0 12 0 13 030 20 x 24 0 09 0 10 0 11 0 13 0 14 036 24 x 24 0 08 0 09 0 10 0 11 0 12 0 14 0 15 042 060 24 x 30 0 09 0 10 0 11 0 12 0 13 0 14 0 15 0 16 0 17 0 18 ACCESSORY ELECTRIC HEATER PACKAGE USAGE DUAL POINT POWER CONNECTIONS ELECTRIC HEATER ACCESSO...

Page 19: ...7 5 27 1 31 3 64 7 70 0 70 80 015 7 50 10 0 36 1 41 7 76 0 83 0 80 90 016 11 30 15 0 54 1 62 0 98 5 108 4 100 110 017 15 00 20 0 72 2 83 3 121 2 135 0 125 150 048 013 3 75 5 0 18 1 20 8 62 7 66 1 80 80 014 5 60 7 5 27 1 31 3 73 9 79 2 90 90 015 7 50 10 0 36 1 41 7 85 2 92 2 100 100 016 11 30 15 0 54 1 62 0 107 7 117 6 110 125 017 15 00 20 0 72 2 83 3 130 4 144 3 150 150 060 013 3 75 5 0 18 1 20 8 ...

Page 20: ...tors table on page 21 NOTE In compliance with NEC requirements for multimotor and com bination load equipment refer to NEC Articles 430 and 440 the over current protective device for the unit shall be fuse or HACR breaker ELECTRIC HEATER PACKAGES 480 V 3 PHASE SINGLE POINT WIRING CONNECTIONS UNIT 50HS ELECTRIC HEAT ACCESSORY KIT CPHEATER A00 ELECTRIC HEAT kW HEATER FLA MIN CIRCUIT AMPACITY FOR WIR...

Page 21: ...480 415 0 75 440 0 84 460 0 92 480 1 00 Example 20 0 kW at 240 v heater on 230 v 20 0 0 92 multiplication factor 18 4 kW capacity at 230 v MINIMUM AIRFLOW CFM FOR SAFE ELECTRIC HEATER OPERATION UNIT 50HS 018 024 030 036 042 048 060 HORIZONTAL DISCHARGE 700 800 1000 1300 1300 1600 1750 VERTICAL DISCHARGE 700 800 1000 1300 1300 1600 1750 21 ...

Page 22: ...ing and Refrigeration IFM Indoor Fan Motor LRA Locked Rotor Amps MCA Minimum Circuit Amps NEC National Electrical Code OFM Outdoor Fan Motor RLA Rated Load Amps NOTES 1 In compliance with NEC requirements for multimotor and combina tion load equipment refer to NEC Articles 430 and 440 the overcur rent protective device for the unit shall be fuse or HACR breaker The CSA units may be fuse or circuit...

Page 23: ...r a short time delay Heating On a call for heat thermostat makes circuits R Y and R G When compressor time delay 5 2 minutes is com pleted a circuit is made to C starting COMP and OFM Circuit R G also is completed energizing IFR and starting IFM after a 1 second delay Should room temperature continue to fall circuit R W is made through second stage thermostat bulb If optional elec tric heat packag...

Page 24: ...B Defrost Board DFT Defrost Thermostat DR Defrost Relay EQUIP Equipment FU Fuse GND Ground HR Heater Relay Strip Heat IFM Indoor Fan Motor IFR Indoor Fan Relay IP Internal Protector MOCP Maximum Overcurrent Protection NEC National Electrical Code OFM Outdoor Fan Motor QT Quadruple Terminal RVS Reversing Valve Solenoid ST Start Thermistor TDR Time Delay Relay TRAN Transformer Field Splice Terminal ...

Page 25: ...ing and wiring SLAB MOUNT Power Wiring Control Wiring Outdoor Airflow Indoor Airflow Separate disconnect per National Electrical Code NEC is required for electric heater when single point connection is not used 25 ...

Page 26: ...Typical installation cont CURB MOUNT 26 ...

Page 27: ... finish and shall be dynamically balanced 2 Outdoor fan shall be of the direct driven propeller type with aluminum blades riveted to corrosion resistant steel spiders It shall be dynamically bal anced and shall discharge air upwards and horizontally D Compressor 1 Fully hermetic type with internal and external vi bration isolation 2 All reciprocating compressors are equipped with crankcase heaters...

Page 28: ... Thermostat Thermostat provides 2 stage heating and 2 stage cooling control with remote communication ability 5 High and Low Pressure Switches Protect the compressor against improper refrig erant pressures 6 Low Ambient Kit Permits cooling operation at outdoor tempera tures as low as 0 F 7 Factory Assembled Roof Curb Provides one piece support for downflow applications 8 Manual Outdoor Air Damper ...

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