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Electrical data (cont)

50HX ELECTRIC HEATER PACKAGES — 208/240 V, SINGLE-PHASE,

DUAL-POINT WIRING CONNECTIONS

UNIT

SIZE

50HX

ELECTRIC HEAT

ACCESSORY KIT
CPHEATER---A00

ELECTRIC HEAT

(kW)*

HEATER

FLA

MIN CIRCUIT

AMPACITY FOR

WIRE SIZING

MAX FUSE

OR HACR

BRKR

MOCP

208 V

240 V

208 V

240 V

208 V

240 V

208 V

240 V

208 V

240 V

024

001

3.75

5.0

18.1

20.8

22.5

26.0

25

30

—

—

002

5.60

7.5

27.1

31.3

33.7

39.1

35

40

—

—

015

7.50

10.0

36.1

41.7

45.1

50.8

50

60

—

—

030

001

3.75

5.0

18.1

20.8

22.5

26.0

25

30

—

—

014

5.60

7.5

27.1

31.3

33.7

39.1

35

40

—

—

015

7.50

10.0

36.1

41.7

45.1

50.1

50

60

—

—

016

11.30

15.0

54.1

62.0

67.9

78.1

—

—

70

80

036

001

3.75

5.0

18.1

20.8

22.5

26.0

25

30

—

—

014

5.60

7.5

27.1

31.3

33.7

39.1

35

40

—

—

015

7.50

10.0

36.1

41.7

45.1

50.8

50

60

—

—

016

11.30

15.0

54.3

62.5

67.9

78.1

—

—

70

80

042

001

3.75

5.0

18.1

20.8

22.5

26.0

25

30

—

—

014

5.60

7.5

27.1

31.3

33.7

39.1

35

40

—

—

015

7.50

10.0

36.1

41.7

45.1

50.8

50

60

—

—

016

11.30

15.0

54.1

62.0

67.9

78.1

—

—

70

80

017

15.00

20.0

72.1

83.3

90.1

104.2

—

—

100

110

048

013

3.75

5.0

18.1

20.8

22.5

26.0

25

30

—

—

014

5.60

7.5

27.1

31.3

33.7

39.1

35

40

—

—

015

7.50

10.0

36.1

41.7

45.1

50.8

50

60

—

—

016

11.30

15.0

54.1

62.0

67.9

78.1

—

—

70

80

017

15.00

20.0

72.1

83.3

90.1

104.2

—

100

110

060

013

3.75

5.0

18.1

20.8

22.5

26.0

25

30

—

—

014

5.60

7.5

27.1

31.3

33.7

39.1

35

40

—

—

015

7.50

10.0

36.1

41.7

45.1

50.8

50

60

—

—

016

11.30

15.0

54.1

62.0

67.9

78.1

—

—

70

80

017

15.00

20.0

72.2

83.3

90.1

104.2

—

—

100

110

LEGEND

FLA

— Full Load Amps

HACR BRKR — Heating, Air Conditioning and Refrigeration Circuit

Breaker

MOCP

— Maximum Overcurrent Protection (fuses or HACR-

type circuit breaker)

NEC

— National Electrical Code

*Electric heat capacity (kW) is based on heater voltages of 208 v or

240 v. If power distribution voltage to units varies from rated heater
voltage, see Wattage Multiplication Factors table on page 19.

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.

20

Содержание 50HX024

Страница 1: ...ed for minimum instal lation expense 50HX units are available in a vari ety of standard sizes with voltage options to meet residential and light commercial requirements Unit is installed easily on a rooftop or a ground level pad The optional base rail unit provides an elevated base Convertible duct configuration on the 50HX is designed for easy use in either downflow or horizontal dis charge appli...

Страница 2: ... time temperature based defrost cycles to maintain unit efficiency This highly reliable system 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 The Chronotemp defrost board may be configured for 30 50 or 90 minutes Indoor air quality is improved with cleanable foil faced insulation ...

Страница 3: ...ed parts Easily accessible refrigerant access ports on all discharge suc tion and liquid lines permit easy and accurate measurements Model number nomenclature ARI capacities COOLING AND HEATING CAPACITIES AND EFFICIENCIES UNIT 50HX NOMINAL TONS STANDARD CFM NET COOLING CAPACITIES AT 95 F Btuh SEER NET HEATING CAPACITIES At 47 F Btuh COP At 47 F Btuh NET HEATING CAPACITIES At 17 F Btuh COP At 17 F ...

Страница 4: ...entrifugal Direct Drive Speeds 3 3 3 3 Variable Variable Rpm High Speed 1075 1075 1100 1100 Diameter 10 10 10 10 10 10 Width in 9 9 9 9 10 10 Nominal Airflow Cfm 800 1000 1300 1400 1600 1800 Motor Hp 1 4 1 4 1 2 1 2 1 0 1 0 INDOOR COIL Rows Fins in 3 15 3 15 4 15 4 15 4 15 4 15 Face Area sq ft 3 6 3 6 4 5 4 5 4 5 4 5 OUTDOOR FAN Propeller Direct Drive Cfm 2200 2200 2200 2400 2400 2400 Rpm 1100 110...

Страница 5: ...2 stage cooling control with remote commu nication ability Low ambient kit Motormastert II device allows the use of mechanical cooling down to outdoor ambient tem peratures as low as 0 F Electric heaters provide heat in the unit when required Each package has a heater module that slides into keyed mounting slots in the fan inlet Heater sizes range from 5 0 to 20 0 kW An available single point powe...

Страница 6: ... Ungrounded Surfaces Control Box Side 36 914 4 Unit and Block or Concrete Walls and Other Grounded Surfaces Control Box Side 42 1066 8 REQ D CLEARANCES FOR SERVICING in mm Indoor Coil Access Side 30 762 0 Control Box Access Side 30 762 0 Except for NEC Requirements Unit Top 36 914 4 Side Opposite Ducts 30 762 0 REQ D CLEARANCES TO COMBUSTIBLE MAT L in mm Unit Top 0 Duct Side of Unit 0 Side Opposit...

Страница 7: ...grounded Surfaces Control Box Side 36 914 4 Unit and Block or Concrete Walls and Other Grounded Surfaces Control Box Side 42 1066 8 REQ D CLEARANCES FOR SERVICING in mm Indoor Coil Access Side 30 762 0 Control Box Access Side 30 762 0 Except for NEC Requirements Unit Top 36 914 4 Side Opposite Ducts 30 762 0 REQ D CLEARANCES TO COMBUSTIBLE MAT L in mm Unit Top 0 Duct Side of Unit 0 Side Opposite D...

Страница 8: ... CLEARANCES FOR SERVICING in mm Indoor Coil Access Side 30 762 0 Control Box Access Side 30 762 0 Except for NEC Requirements Unit Top 36 914 4 Side Opposite Ducts 30 762 0 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 304 8 mm of Supply Duct 1 25 4 LEGEND K O Knock Out MAT L Material NEC National El...

Страница 9: ...7 REQ D CLEARANCES FOR SERVICING in mm Indoor Coil Access Side 30 762 0 Control Box Access Side 30 762 0 Except for NEC Requirements Unit Top 36 914 4 Side Opposite Ducts 30 762 0 REQ D CLEARANCES TO COMBUSTIBLE MAT Ll in mm Unit Top 0 Duct Side of Unit 0 Side Opposite Ducts 0 Bottom of Unit 0 Vertical Discharge First 12 inches 304 8 mm of Supply Duct 1 25 4 LEGEND K O Knock Out MAT L Material NEC...

Страница 10: ...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 10 ...

Страница 11: ...ity 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 13 250 Btuh 28 550 15 300 additional elec tric heat is required Determine additional electric heat capacity in kW 13 250 Btuh 3 9 kW of heat required 3414 Btuh kW Enter the 50HX Electric Heater Packages 208 240 V Single Phase Sing...

Страница 12: ...4 3 47 3 44 3 38 3 41 50HX036 3 TONS Temp F Outdoor Ent Air Indoor Air Cfm BF 1050 0 02 1150 0 02 1200 0 03 1350 0 03 Indoor Air Ewb F 72 67 63 62 72 67 63 62 72 67 63 62 72 67 63 62 85 TC 40 4 36 4 33 7 32 4 40 8 36 8 34 1 32 7 41 1 37 0 34 2 32 9 41 4 37 3 34 6 33 4 SHC 19 0 24 7 24 0 29 8 19 9 25 8 25 1 31 3 20 3 26 4 25 6 31 9 21 5 27 9 27 1 33 3 kW 3 23 3 18 3 15 3 14 3 27 3 22 3 19 3 18 3 30...

Страница 13: ...1 48 0 42 8 39 3 40 3 SHC 24 7 31 7 30 4 37 6 26 0 34 0 32 6 39 1 27 3 36 2 34 6 40 3 kW 5 77 5 67 5 60 5 59 5 84 5 74 5 67 5 68 5 90 5 80 5 74 5 77 50HX060 5 TONS Temp F Outdoor Ent Air Indoor Air Cfm BF 1800 0 03 2000 0 04 2250 0 04 Indoor Air Ewb F 72 67 63 62 72 67 63 62 72 67 63 62 85 TC 66 8 60 0 55 7 54 1 67 5 60 7 56 3 55 4 68 2 61 2 56 8 57 1 SHC 34 3 44 2 42 6 53 3 35 8 46 7 45 0 55 4 37...

Страница 14: ...Outdoor Coil F db at 70 rh 10 0 10 17 20 30 40 47 50 60 70 875 60 Cap 7 8 6 8 12 3 10 1 14 5 13 1 17 1 15 6 18 2 16 4 21 8 19 1 25 7 24 6 28 4 28 4 29 3 29 3 32 1 32 1 35 0 35 0 kW 2 10 2 13 2 15 2 19 2 20 2 25 2 31 2 36 2 37 2 42 2 47 70 Cap 6 8 5 9 10 1 9 0 13 3 12 1 16 0 14 6 17 1 15 5 21 0 18 4 25 0 24 0 27 9 27 9 28 7 28 7 31 6 31 6 34 5 34 5 kW 2 25 2 32 2 37 2 40 2 42 2 48 2 57 2 63 2 65 2 ...

Страница 15: ... 3 15 80 Cap 8 9 8 3 12 0 11 2 15 4 14 6 17 9 16 4 19 4 17 6 23 4 20 6 28 3 28 3 32 8 32 8 35 2 35 2 40 2 40 2 44 7 44 7 kW 2 63 2 73 2 83 2 89 2 92 3 02 3 17 3 27 3 30 3 39 3 46 50HX042 31 2 TONS Cfm Std Air Return Air F db Temperature Air Entering Outdoor Coil F db at 70 rh 10 0 10 17 20 30 40 47 50 60 70 1250 60 Cap 9 9 9 2 14 1 13 0 18 4 16 8 21 4 19 5 23 1 20 8 28 7 25 2 35 6 34 1 40 4 40 4 4...

Страница 16: ...door Coil F db at 70 rh 10 0 10 17 20 30 40 47 50 60 70 1800 60 Cap 15 9 14 8 22 0 20 2 28 0 25 6 32 2 29 4 34 5 31 1 41 9 36 7 51 3 49 1 57 8 57 8 61 2 61 2 72 4 72 4 83 6 83 6 kW 4 20 4 22 4 24 4 26 4 27 4 29 4 36 4 40 4 43 4 53 4 64 70 Cap 13 9 12 9 20 4 18 8 27 0 24 6 31 5 28 7 33 7 30 4 41 1 36 0 50 2 48 1 56 6 56 6 59 8 59 8 70 8 70 8 81 7 81 7 kW 4 39 4 49 4 60 4 67 4 68 4 72 4 79 4 83 4 87...

Страница 17: ...er Deduct wet coil filter and electric heater pressure drops to obtain external static pressure available for ducting NOTES 1 Do not operate the unit at a cooling airflow that is less than 350 cfm for each 12 000 Btuh of rated cooling ca pacity Indoor coil frosting may occur at airflows below this point 2 Dashes indicate portions of table that are beyond the blower motor capacity or are not recomm...

Страница 18: ... to contactor C starting the compressor COMP and outdoor fan motor OFM Circuit R G is made at the same time starting the indoor fan motor IFM after a 1 second delay When the thermostat is satisfied contacts open deener gizing C The COMP and OFM stop and the IFM stops after 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 ...

Страница 19: ...ent refer to NEC Articles 430 and 440 the over current protective device for the unit shall be fuse or HACR breaker The UL Canada units may be fuse or circuit breaker 2 Unbalanced 3 Phase Supply Voltage Never operate a motor where a phase imbalance in supply voltage is greater than 2 Use the following formula to determine the percent of voltage imbalance Voltage Imbalance max voltage deviation fro...

Страница 20: ...11 30 15 0 54 1 62 0 67 9 78 1 70 80 017 15 00 20 0 72 1 83 3 90 1 104 2 100 110 048 013 3 75 5 0 18 1 20 8 22 5 26 0 25 30 014 5 60 7 5 27 1 31 3 33 7 39 1 35 40 015 7 50 10 0 36 1 41 7 45 1 50 8 50 60 016 11 30 15 0 54 1 62 0 67 9 78 1 70 80 017 15 00 20 0 72 1 83 3 90 1 104 2 100 110 060 013 3 75 5 0 18 1 20 8 22 5 26 0 25 30 014 5 60 7 5 27 1 31 3 33 7 39 1 35 40 015 7 50 10 0 36 1 41 7 45 1 5...

Страница 21: ...varies from rated heater voltage see Wattage Multiplication Factors table on page 19 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 50HX ELECTRIC HEATER PACKAGES 480 V 3 PHASE DUAL POINT WIRING CONNECTIONS UNIT SIZE 50HX ELECTRIC HEAT ACCESSORY KI...

Страница 22: ...81 6 80 90 016 11 30 15 0 54 1 62 0 97 1 107 0 100 110 017 15 00 20 0 72 2 83 3 119 8 133 7 125 150 048 013 3 75 5 0 18 1 20 8 64 2 67 6 80 80 014 5 60 7 5 27 1 31 3 75 4 80 7 90 90 015 7 50 10 0 36 1 41 7 86 7 93 7 100 100 016 11 30 15 0 54 1 62 0 109 2 119 1 110 125 017 15 00 20 0 72 2 83 3 131 9 145 8 150 150 060 013 3 75 5 0 18 1 20 8 72 0 75 5 90 100 014 5 60 7 5 27 1 31 3 83 3 88 5 100 100 0...

Страница 23: ...o units varies from rated heater voltage see Wattage Multiplication Factors table on page 19 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 50HX ELECTRIC HEATER PACKAGES 480 V 3 PHASE SINGLE POINT WIRING CONNECTIONS UNIT SIZE 50HX ELECTRIC HEAT AC...

Страница 24: ...rrent Protection NEC National Electrical Code OFM Outdoor Fan Motor QT Quadruple Terminal Block RVS Reversing Valve Solenoid TB Terminal Block TDR Time Delay Relay TRAN Transformer Field Splice Marked Wire Terminal Marked Terminal Unmarked Terminal Block Splice Splice Marked Factory Wiring Field Control Wiring Field Power Wiring Accessory or Optional Wiring To indicate common potential only not to...

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

Страница 26: ...Typical piping and wiring cont CURB MOUNT 26 ...

Страница 27: ...r side with aluminum foil faced fiberglass insulation 3 Cabinet panels shall be easily removable for servicing 4 Unit shall have a factory installed sloped non corrosive condensate drain 5 Unit insulation conforms to ASHRAE 62P 6 Unit shall have a single piece top cover C Fans 1 Indoor Blower Indoor Fan a Fan shall be 3 speed sizes 024 042 or vari able speed sizes 048 and 060 direct drive as shown...

Страница 28: ...Outdoor Thermostat Kit Thermostat allows for staging of electric heaters based on outdoor air temperature 3 Electronic Programmable Thermostat Thermostat provides 2 stage heating and 2 stage cooling control with remote communication ability 4 Controls Upgrade Package High and low pressure switches protect the com pressor against improper refrigerant pressures 5 Low Ambient Kit Permits cooling oper...

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