N4H4 - Carrier...PRODUCT SPECIFICATIONS Split System Heat Pump: N4H4 428 41 5203 06 Specifications subject to change without notice. 3 PHYSICAL DATA UNIT SERIES …

428 41 5203 06 4/7/20Specifications subject to change without notice.

14 SEER HEAT PUMPENVIRONMENTALLY BALANCED R−410A REFRIGERANT1½ THRU 5 TONS SPLIT SYSTEM208/230 Volt 1−phase, 208/230 Volt 3−phase,460 Volt 3−phase; 60 HzREFRIGERATION CIRCUIT� Scroll compressors on all models� Suction line accumulator factory installed� Bi−flow filter−drier included for field installation� Integrated solid state control with Time−Temperature Defrost� Low pressure switch� Round tube / aluminum plate fin coilEASY TO INSTALL AND SERVICE� Easy Access service valves on all models� External high and low refrigerant service ports� Only two screws to access control panel� Factory charged with R−410A refrigerantBUILT TO LAST� Baked−on powder coat finish over galvanized steel� Post−painted (black) coil fins� Coated, weather−resistant cabinet screws� Coated inlet grille with 3/8 (10mm) grille spacing for extra

protectionLIMITED WARRANTY*� 5 year parts limited warranty (including compressor and coil)− With timely registration, an additional 5 year parts

limited warranty (including compressor and coil)

Use of the AHRI Certified TM Mark indicates amanufacturer’s participation in the program. Forverification of certification for individual products,go to www.ahridirectory.org .

* For residential applications only. See warranty certificate for complete details and restrictions, including warrantycoverage for other applications.

ModelNumber

Size(ton)

NominalBtu/hr

Min. CktAmps

Max.Breaker

Operating Dimensionslength x width x height inches (mm)

Operating / ShipWeight lbs. (kg)

N4H418GKP 1½ 18,000 11.8 20 23−1/8 x 23−1/8 x 35−1/16 (587 x 587 x 891) 136/166(61/75)

N4H424GKP 2 24,000 14.2 25 25−3/4 x 25−3/4 x 35−1/2 (654 x 654 x 901) 144/175(65/79)

N4H430GKP 2½ 30,000 16.9 30 31−3/16 x 31−3/16 x 31−11/16 (792 x 792 x 804) 158/180(72/82)

N4H436G*P 3 36,000 19.5 30 31−3/16 x 31−3/16 x 28−1/4 (792 x 792 x 718) 170/187(77/85)♦

N4H442GKP 3½ 42,000 24.0 40 31−3/16 x 31−3/16 x 38−7/16 (792 x 792 x 977) 201/235(91/107)

N4H448G*P 4 48,000 25.2 40 31−3/16 x 31−3/16 x 28−1/4 (792 x 792 x 718) 197/217(89/98)♦

N4H460G*P 5 60,000 32.0 50 31−3/16 x 31−3/16 x 31−11/16 (792 x 792 x 804) 212/233(96/106)♦

* K = 208−230V Single−Phase; H = 208/230V Three−Phase; L = 460V Three−Phase♦ Shipping weight for three−phase (H,L) units. For single−phase (K) add 14 lb (6.4 kg) for 3 ton, add 15 lb (6.8 kg) for 4 / 5 ton. Refer to dimensional drawing.

N4H4Performance Series

Product Specifications

PRODUCT SPECIFICATIONS Split System Heat Pump: N4H4

2 428 41 5203 06Specifications subject to change without notice.

OUTDOOR UNIT MODEL NUMBER IDENTIFICATION GUIDE (single phase)Digit Position: 1 2 3 4 5, 6 7 8 9 10 11 12

Example Part Number: N 4 H 4 18 G K P 1 0 1C = Comfortmaker Mainline

N = Comfortmaker Entry BRANDING

4 = R−410A REFRIGERANT

H = Heat Pump TYPE

4 = 14 SEER NOMINAL EFFICIENCY18 = 18,000 BTUH = 1½ tons24 = 24,000 BTUH = 2 tons30 = 30,000 BTUH = 2½ tons36 = 36,000 BTUH = 3 tons

42 = 42,000 BTUH = 3½ tons

48 = 48,000 BTUH = 4 tons

60 = 60,000 BTUH = 5 tons NOMINAL CAPACITY

G = Coil Guard Grille, 3/8 (10mm) spacingL = Aluminum Coil VARIATIONS

K = 208−230−1−60H = 208/230−3−60L = 460−3−60

VOLTAGE

Major Series or Variation (P = no HPS)

Minor Series

Extra Digit

Extra Digit

ACCESSORIES PART NUMBER IDENTIFICATION GUIDEDigit Position: 1 2 3 4 5 6, 7 8, 9 10, 11

Example Part Number: N A S A 0 0 1 01 C H

N = Non−Branded BRANDING

A = Accessory PRODUCT GROUP

S = Split System (AC & HP) KIT USAGEA = OriginalB = 2nd Generation MAJOR SERIES0 = Generic or Not Applicable

4 = R−410A REFRIGERANTProduct Identifier Number

Package Quantity

Type of Kit(Example: CH = Crankcase Heater)



PHYSICAL DATAUNIT SERIES 18GKP 24GKP 30GKP 36G*P, LKA 42GKP, LKA 48G*P 60G*P

Compressor Type Scroll

REFRIGERANT R-410A

Control TXV (R-410A Hard Shutoff)

Charge lb (kg) 5.3 (2.4) 5.6 (2.5) 6.4 (2.9) 7.67 (3.48) 8.25 (3.74) 8.68 (3.94) 10.6 (4.81)

COND FAN Forward Swept or Propeller Type, Direct Drive

Air Discharge Vertical

Motor HP 1/12 1/10 1/4 1/5 1/4 1/4 1/4 Motor RPM 1100 1100 1100 1100 1100 1100 800 Air Qty (CFM) 1792 2196 3365 2365 3700 3365 3700VALVE CONNECT. (In. ID)

Vapor 5/8 5/8 3/4 3/4 7/8 7/8 7/8

Liquid 3/8

REFRIGERANT TUBES** (In. OD)

Rated Vapor 5/8 5/8 3/4 3/4 7/8 7/8 1-1/8

Max Liquid Line 3/8

* K = 208−230V Single−Phase; H = 208/230V Three−Phase; L = 460V Three−Phase** Units are rated with 25 ft (7.6 m) of lineset length. See Vapor Line Sizing and Cooling Capacity Loss table when using other sizes and lengths of lineset.Note: See unit Installation Instruction for proper installation.

ELECTRICAL DATA

UNIT SIZE V/PH

OPER VOLTS* COMPR FAN

MCA

MAXFUSE** orCKT BRK

AMPSMAX MIN LRA RLA FLA

18GKP

208-230/1 253 197

48.0 9.0 0.50 11.8 20

24GKP 62.9 10.9 0.60 14.2 25

30GKP 72.5 13.5 1.40 18.3 30

36GKP, LKA 75.0 14.7 1.10 19.5 30

42GKP, LKA 105.5 18.1 1.40 24.0 40

48GKP 108.0 19.0 1.40 25.2 40

60GKP 144.2 24.4 1.52 32.0 50

36GHP

208/230/3 253 187

70.0 8.46 1.10 11.7 20

48GHP 123.0 10.44 1.40 14.5 25

60GHP 110.0 15.96 1.52 21.5 30

36GLP

460/3 506 414

31.0 3.85 0.60 5.4 15

48GLP 60.0 6.0 0.77 8.3 15

60GLP 52.0 7.75 0.77 10.5 15

* Permissible limits of the voltage range at which the unit will operate satisfactorily** Time−Delay fuse.FLA − Full Load AmpsLRA − Locked Rotor AmpsMCA − Minimum Circuit AmpsRLA − Rated Load AmpsNOTE: Control circuit is 24−V on all units and requires external power source. Copper wire must be used from service disconnect to unit. All motors/compressors contain internal overload protection.Complies with 2007 requirements of ASHRAE Standards 90.1

A−WEIGHTED SOUND POWER

UNIT SIZE

STANDARDRATING(dBA)

TYPICAL OCTAVE BAND SPECTRUM (dB, without tone adjustment)

125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz

18GKP 69 65 64 65 67 59 57 54

24GKP 76 66 70 70 70 67 64 61

30GKP 77 71 74 75 73 69 66 61

36GKP, GHP, GLP, LKA 78 76 75 75 73 69 67 62

42GKP, LKA 76 70 74 71 71 66 64 58

48GKP, GHP, GLP 79 72 78 77 76 70 67 61

60-GKP 73 71 74 71 69 64 61 58

60GHP, GLP 76 73 74 72 72 69 64 63

NOTE: Tested in accordance with AHRI Standard 270−08 (not listed in AHRI).

A−WEIGHTED SOUND POWER WITH SOUND HOODUNIT SIZE

STANDARDRATING

TYPICAL OCTAVE BAND SPECTRUM (dB, without tone adjustment)

125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz

18GKP 68 66 65 64 65 59 56 52

24GKP 74 67 70 70 68 65 61 56

30GKP 77 72 74 75 72 69 66 60

36GKP, GHP, GLP, LKA 78 76 76 76 73 69 65 60

42GKP, LKA 74 71 74 70 70 65 62 56

48GKP, GHP, GLP 79 73 79 77 75 70 67 61

60GKP 73 72 75 70 68 63 60 55

60GHP, GLP 76 72 72 71 72 69 64 63

NOTE: Tested in accordance with AHRI Standard 270−08 (not listed in AHRI).



CHARGING SUBCOOLING (TXV−TYPE EXPANSION DEVICE)UNIT SIZE-SERIES REQUIRED SUBCOOLING °F (°C)

18GKP 11 (6.1)

24GKP 11 (6.1)

30GKP 10 (5.6)

36GKP, LKA 10 (5.6)

36GHP, GLP 11 (6.1)

42GKP, LKA 10 (5.6)

48GKP, GHP, GLP 14 (7.7)

60GKP, GHP, GLP 15 (8.3)

HP ONLY REPLACEMENT WITH PISTON INDOORSWhen the N4H4 is used as a replacement component in a system with a piston fan coil, use the indoor piston size specified below:

UNIT SIZEPISTON SIZE

FEM4P FMA4 FM(C,U)4P

18 0.052 0.050 0.050

24 0.057 0.057 0.056

30 0.067 0.070 0.067

36 0.070 0.072 0.069

42 0.078

48 0.084

60

VAPOR LINE SIZING AND COOLING CAPACITY LOSSAcceptable vapor line diameters provide adequate oil return to the compressor while avoiding excessive capacity loss. The suction linediameters shown in the chart below are acceptable for HP systems with R−410A refrigerant:

Vapor Line Sizing and Cooling Capacity Losses − R−410A Refrigerant 1− Stage Heat Pump Applications

Unit Nominal Size(Btuh)

Acceptable VaporLine Diameters

(In. OD)

Cooling Capacity Loss (%)Total Equivalent Line Length (ft)

Standard Application Long Line Application Requires Accessories

25(7.62)

50(15.2)

80(24.4)

80+(24.4+)

100(30.48)

125(38.10)

150(45.72)

175(53.34)

200(60.96)

225(68.58)

250(76.20)

180001-Stage HP

1/2 1 2 3 3 4 6 7 8 9 10 12

5/8 0 0 1 1 1 1 2 2 3 3 3

240001-Stage HP

5/8 0 1 1 1 2 3 3 4 4 5 6

3/4 0 0 0 0 0 1 1 1 1 1 2

300001-Stage HP

5/8 1 2 3 3 3 4 5 6 7 8 9

3/4 0 0 1 1 1 1 2 2 2 3 3

7/8 0 0 0 0 0 1 1 1 1 1 1

360001-Stage HP

5/8 1 2 4 4 5 6 7 9 10 11 13

3/4 0 0 1 1 1 2 2 3 3 4 4

7/8 0 0 0 0 0 1 1 1 1 2 2

420001-Stage HP

3/4 0 1 2 2 2 3 4 4 5 6 6

7/8 0 0 1 1 1 1 2 2 2 3 3

480001-Stage HP

3/4 0 1 2 2 3 4 5 5 6 7 8

7/8 0 0 1 1 1 2 2 2 3 3 4

600001-Stage R-410A HP

3/4 1 2 4 4 5 6 7 9 10 11 12

7/8 0 1 2 2 2 3 4 4 5 5 6

1 1/8 0 0 0 0 1 1 1 1 1 1 2

Standard Length = 80 ft. (24.4 m) or less total equivalent length

Applications in this area are long line. Accessories are required as shown recommended on Long Line Application GuidelinesApplications in this area may have height restrictions that limit allowable total equivalent length, when outdoor unit is below indoor unit See Long Line Application Guidelines

REFRIGERANT PIPING LENGTH LIMITATIONSMaximum Line Lengths:The maximum allowable total equivalent length for heat pumps varies depending on the vertical separation. See the tables below forallowable lengths depending on whether the outdoor unit is on the same level, above or below the outdoor unit.

Maximum Line Lengths for Heat Pump Applications

MAXIMUM ACTUAL LENGTHft (m)

MAXIMUM EQUIVALENT LENGTH�ft (m)

MAXIMUM VERTICALSEPARATION ft (m)

Units on equal level 200 (61) 250 (76.2) N/A

Outdoor unit ABOVEindoor unit

200 (61) 250 (76.2) 200 (61)

Outdoor unit BELOWindoor unit

See Table 'Maximum Total Equivalent Length: Outdoor Unit BELOW Indoor Unit'

� Total equivalent length accounts for losses due to elbows or fitting. See the Long Line Guideline for details.



Maximum Total Equivalent Length� − Outdoor Unit BELOW Indoor Unit

Size

Liquid LineDiameterw/ TXV

HP with R-410A Refrigerant - Maximum Total Equivalent Length�Vertical Separation ft (m) Outdoor unit BELOW indoor unit;

0-20(0 - 6.1)

21-30(6.4 - 9.1)

31-40(9.4 - 12.2)

41-50(12.5 - 15.2)

51-60(15.5 - 18.3)

61-70(18.6 - 21.3)

71-80(21.6 - 24.4)

18000 HPwith R-410A

3/8 250* 250* 250* 250* 250* 250* 250*

24000 HPwith R-410A

3/8 250* 250* 250* 250* 250* 250* 250*

30000 HPwith R-410A

3/8 250* 250* 250* 250* 250* 250* 250*

36000 HPwith R-410A

3/8 250* 250* 250* 250* 250* 250* 250*

42000 HPwith R-410A

3/8 250* 250* 250* 250* 250* 250* 150

48000 HPwith R-410A

3/8 250* 250* 250* 250* 230 160 --

60000 HPwith R-410A

3/8 250* 225* 190 150 110 -- --

* Maximum actual length not to exceed 200 ft (61 m)� Total equivalent length accounts for losses due to elbows or fitting. See the Long Line Guideline for details.−− = outside acceptable range

LONG LINE APPLICATIONSAn application is considered Long Line when the refrigerant level in the system requires the use of accessories to maintain acceptablerefrigerant management for systems reliability. Defining a system as long line depends on the liquid line diameter, actual length of thetubing, and vertical separation between the indoor and outdoor units.For Heat Pump systems, the chart below shows when an application is considered Long Line. Beyond these lengths, long lineaccessories are required:

HP WITH R−410A REFRIGERANT LONG LINE DESCRIPTION ft (m)Beyond these lengths, long line accessories are required

Liquid Line Size Units On Same Level Outdoor Below Indoor Outdoor Above Indoor

3/8 80 (24.4) 20 (6.1) vertical or 80 (24.4) total 80 (24.4)

Note: See Long Line Guideline for details

TESTED AHRI COMBINATION RATINGS* Or scan this QR code:NOTE: Ratings contained in this document are subject to change at any time.

For AHRI ratings certificates, please refer to the AHRI directory. www.ahridirectory.org

Additional ratings and system combinations can be accessed via the Comfortmaker database: http://www.icpeqp.com/AHRIratings/ratings.aspx?Brand=Comfortmaker

Model NumberIndoor Coil Model

NumberCoolingCapacity

EER SEER

High Temp

HSPF

Low Temp

ECapacity

E COPH

CapacityH COP

N4H418GKP FEM4X18**BL 17,800 11.5 14 17,600 3.72 8.2 10,400 2.40

N4H424GKP FEM4X24**CL 22,200 11.5 14 22,200 3.84 8.2 13,200 2.54

N4H430GKP FEM4X30**BL 28,600 11.5 14 28,600 3.62 8.2 17,100 2.44

N4H436GKP, LKA FEM4X36**BL 33,000 11.5 14 33,800 3.62 8.2 20,800 2.44

N4H436G(H/L)P FEM4X36**BL 33,000 11.0 14 33,000 3.64 8.2 20,800 2.46

N4H442GKP, LKA FEM4X42**BL 40,000 11.5 14 41,000 3.62 8.2 25,200 2.50

N4H448GKP FEM4X48**BL 46,000 11.5 14 45,500 3.64 8.2 27,800 2.56

N4H448G(H/L)P FEM4X48**BL 46,000 11.5 14 45,500 3.64 8.2 27,800 2.56

N4H460GKP FXM4X60**AL 57,000 11.5 14 54,500 3.70 8.2 33,000 2.56

N4H460G(H/L)P FXM4X60**AL 57,000 11.5 14 54,500 3.70 8.2 33,000 2.56

* AHRI = Air Conditioning, Heating & Refrigeration Institute* Ratings are net values reflecting the effects of circulating fan heat. Supplemental electric heat is not included. Ratings are based on:Cooling Standard: 80�F (27�C) db 67�F (19�C) wb indoor entering air temperature and 95�F (35�C) db air entering outdoor unit.High−Temp Heating Standard: 70�F (21�C) db indoor entering air temperature and 47�F (8�C) db 43�F (6�C) wb air entering outdoor unit.Low−Temp Heating Standard: 70�F (21�C) db indoor entering air temperature and 17�F (−8�C) db 15�F (−9�C) wb air entering outdoor unit.COP — Coefficient of PerformanceEER — Energy Efficiency RatioHSPF — Heating Seasonal Performance FactorSEER — Seasonal Energy Efficiency Ratio



DIM

EN

SIO

NS

INC

HM

MIN

CH

MM

INC

HM

MIN

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MM

INC

HM

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MIN

CH

MM

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MLb

sKg

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sIN

CH

MM

INC

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MN4

H418

GKP

100

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1/

858

7.3

35

1/16

890.

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113.

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9.0

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197.

91

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97.4

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112

304.

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661

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N4H4

24G

KP10

01

YN

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25

3/4

654.

035

1/

290

1.4

5/8

15.9

4 7/

1611

3.0

21

1/4

539.

99

1/8

231.

31

1/8

28.2

3 13

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97.4

1230

4.8

13

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336.

613

1/

234

2.9

144

65.3

175

79.4

26

3/4

679.

937

3/

1694

4.0

N4H4

30G

KP10

01

YN

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31

3/16

792.

531

11/

1680

4.3

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19.1

6 9/

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6.1

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626.

39

1/8

231.

31

1/8

28.2

3 13

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97.4

1538

1.0

1127

9.4

1640

6.4

158

71.7

180

81.6

32

3/16

817.

933

1/

484

4.9

N4H4

36G

HP20

02

NY

NN

31

3/16

792.

528

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471

8.0

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19.1

6 9/

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6.1

24 1

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31

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97.4

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400.

114

355.

610

3/

427

3.1

170

77.1

187

84.8

32

3/16

817.

929

7/

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8.5

N4H4

36G

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97.4

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355.

610

3/

427

3.1

170

77.1

201

91.2

32

3/16

817.

929

7/

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8.5

N4H4

36G

LP20

02

NN

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31

3/16

792.

528

1/

471

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3/4

19.1

6 9/

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6.1

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1/8

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97.4

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114

355.

610

3/

427

3.1

170

77.1

187

84.8

32

3/16

817.

929

7/

875

8.5

N4H4

42G

KP10

01

YN

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31

3/16

792.

538

7/

1697

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6 9/

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1/8

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31

1/8

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97.4

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1/2

393.

713

1/

234

2.9

1435

5.6

201

91.2

235

106.

632

3/

1681

7.9

40

1/16

1017

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N4H4

48G

HP10

01

NY

NN

31

3/16

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528

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471

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1/8

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97.4

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1/2

419.

111

1/

229

2.1

1538

1.0

197

89.4

217

98.4

32

3/16

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929

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48G

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89.4

232

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232

3/

1681

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7/8

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N4H4

48G

LP10

01

NN

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89.4

217

98.4

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929

7/

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8.5

N4H4

60G

HP10

01

NY

NN

31

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792.

531

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1680

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440

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412.

821

296

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310

5.7

32

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933

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484

4.9

N4H4

60G

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YN

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531

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1680

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821

296

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2.5

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60G

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531

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1680

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6 9/

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24 1

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1/8

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821

296

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5.7

32

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933

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4.9

OPE

RATI

NGW

EIG

HTSH

IPPI

NGW

EIG

HT

SHIP

PING

LENG

TH /

WID

TH

(Sq.

)

U.S

. EC

CN

: N

ot S

ubje

ct to

Reg

ulat

ion

(N.S

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208-230-1-60

208/230-3-60

460-3-60

575-3-60

Y=Y

ESN=

NO

NO

TE: A

LL D

IMEN

SIO

NS

IN IN

CH

(MM

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C

Cop

y of

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5570

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UNIT

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AB

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K

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92

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41

.18

41

.18

3.1

53

8.2

53

8.2

53

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35

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53

1.9

54

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28

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5.3

4

See n

ote

s o

n p

ag

e 1

0



DE

TAIL

ED

CO

OL

ING

CA

PAC

ITIE

S (C

ON

TIN

UE

D)

EV

AP

OR

AT

OR

AIR

CO

ND

EN

SE

R E

NT

ER

ING

AIR

TE

MP

ER

AT

UR

ES

°F

(°C

)

75 (

23.9

)85 (

29.4

)95 (

35)

105 (

40.6

)115 (

46.1

)125 (

51.7

)

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ME

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(°C

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32

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13

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.30

35

.51

29

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2

63

(1

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47

.92

35

.13

2.9

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5.3

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3.8

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42

.67

32

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3.9

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1.1

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.57

36

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29

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5.2

73

2.9

92

8.0

36

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62

(1

6.7

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7.0

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82

.99

44

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41

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3.4

64

1.9

44

0.3

03

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39

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38

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4.5

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6.1

43

6.1

45

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33

.20

33

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6.1

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57

(1

3.9

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5.2

14

5.2

12

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43

.19

43

.19

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54

1.0

54

1.0

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.97

38

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38

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4.5

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6.0

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6.0

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72

(2

2.2

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54

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3.5

55

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8.5

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3.6

72

5.6

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(1

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4.6

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31

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(1

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37

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43

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12

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(1

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45

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3.5

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2.9

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2.9

54

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7.3

53

7.3

55

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7.0

54

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2.6

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40

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4.6

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7.3

03

7.3

05

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34

.22

34

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6.1

7

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72

(2

2.2

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8.7

93

2.4

93

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55

.49

31

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3.6

05

2.0

02

9.8

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48

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44

4.0

82

6.8

95

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39

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25

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6

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3.5

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36

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24

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63

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3

57

(1

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8.5

94

8.5

93

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46

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46

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64

3.9

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3.9

14

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41

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TE

MP

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(°C

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23.9

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35)

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46.1

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(°C

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63

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63

(1

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7.8

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4.8

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ota

l an

d s

en

sib

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ap

acitie

s a

re n

et

cap

acitie

s.

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wer

mo

tor

heat

has b

een

su

btr

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d.

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en

sib

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ap

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ho

wn

are

based

on

80�F

(2

7�C

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teri

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at

the in

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or

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than

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), d

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of

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(2

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24

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per

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48

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of

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per

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(2

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).

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re b

ased

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in

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an

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kw

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NO

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: W

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data

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, in

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EW

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F (

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37 (

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1.6

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7.6

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7.6

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2.4

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2.5

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2.8

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1.4

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17

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1.3

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7.4

71

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1.5

01

9.6

91

7.9

21

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22

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2

Documents

N4H4 - Carrier...PRODUCT SPECIFICATIONS Split System Heat Pump: N4H4 428 41 5203 06 Specifications subject to change without notice. 3 PHYSICAL DATA UNIT SERIES …