Table 10 – 38HDF / 38QRF Electrical Data

38HDF /

 

 

 

 

VOLTAGE RANGE*

COMPRESSOR

OUTDOOR FAN MOTOR

MIN CKT

FUSE/

38QRF

V---PH ---

Hz

 

 

 

 

 

HACR

UNIT

 

 

RLA

LRA

FLA

NEC Hp

kW Out

AMPS

BKR

SIZE

 

 

 

 

Min

Max

 

AMPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

018

208/230---

1---

60

187

253

9.0

48.0

0.80

0.125

0.09

12.1

20

 

 

 

 

 

 

 

 

 

 

 

 

 

024

208/230---

1---

60

187

253

12.8

58.3

0.80

0.125

0.09

16.8

25

 

 

 

 

 

 

 

 

 

 

 

 

 

030

208/230---

1---

60

187

253

14.1

73.0

1.50

0.25

0.19

18.4

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208/230---

1---

60

187

253

16.7

79.0

1.50

0.25

0.19

22.3

35

035

 

 

 

 

 

 

 

 

 

 

 

 

208/230---

3---

60

187

253

10.4

79.0

1.50

0.25

0.19

14.5

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460---

3---

60

414

506

5.8

79.0

0.80

0.25

0.19

8.7

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208/230---

1---

60

187

253

17.9

112.0

1.45

0.25

0.19

23.8

40

036

 

 

 

 

 

 

 

 

 

 

 

 

208/230---

3---

60

187

253

13.2

88.0

1.45

0.25

0.19

18.0

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460---

3---

60

414

506

6.0

44.0

0.80

0.25

0.19

8.3

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 11 – 40QNC, QNQ Fan Coil Electrical Data

 

 

 

 

VOLTAGE RANGE*

 

FAN

 

POWER

UNIT SIZE

V PH

Hz

 

 

 

 

 

 

 

 

Min

Max

FLA

 

Motor Power

MIN CKT

 

FUSE/CKT

 

 

 

 

 

(Watts)

AMPS

 

BKR AMPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40QNC01824

208/230---

1---

60

187

253

0.38

 

64

0.48

 

15

 

 

 

 

 

 

 

 

 

 

 

 

40QNC030

208/230---

1---

60

187

253

0.38

 

74

0.48

 

15

 

 

 

 

 

 

 

 

 

 

 

 

40QNC036

208/230---

1---

60

187

253

0.44

 

74

0.55

 

15

 

 

 

 

 

 

 

 

 

 

 

 

40QNQ018

208/230---

1---

60

187

253

0.38

 

64

0.48

 

15

 

 

 

 

 

 

 

 

 

 

 

 

40QNQ024

208/230---

1---

60

187

253

0.38

 

64

0.48

 

15

 

 

 

 

 

 

 

 

 

 

 

 

40QNQ030

208/230---

1---

60

187

253

0.38

 

74

0.48

 

15

 

 

 

 

 

 

 

 

 

 

 

 

40QNQ036

208/230---

1---

60

187

253

0.44

 

74

0.55

 

15

LEGEND:

FLA --- Full Load Amps

LRA --- Locked Rotor Amps

NEC --- National Electrical Code

RLA --- Rated Load Amps (compressor)

*Permissible limits of the voltage range at which the unit will operate satisfactorily

NOTES:

1.Control circuit is 24---V on all units and requires external power source. Copper wire must be used from service disconnect to unit.

2.All motors/compressors contain internal overload protection.

3.In compliance with NEC (USA Standard) requirements for multimo- tor and combination load equipment (refer to NEC Articles 430 and 440), the over current protective device for the unit shall be fuse.

4.Motor RLA values are established in accordance with UL (Under- writers’ Laboratories) Standard 465 (USA Standard).

5.38QRF018---030 units are only available in single ---phase voltage.

6.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- age of voltage imbalance:

=100 X max voltage deviation from average voltage average

EXAMPLE: Supply voltage is 460---3---60

AB = 452v

BC = 464v

AC = 455v

Average Voltage = 452 + 464 + 455 3

=1371

3

=457

Determine maximum deviation from average voltage:

(AB) 457---

452 = 5v

(BC) 464---

457 = 7v

(AC) 457---

455 = 2v

Maximum deviation is 7v.

Determine percentage of voltage imbalance

% of voltage imbalance = 100 x 7 57

= 1.53%

This amount of phase imbalance is satisfactory as it is below the maximum allowable of 2%.

IMPORTANT: Contact your local electric utility company immediately if the supply voltage phase imbalance is more than 2%.

11

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Carrier 40QNQ installation instructions 38HDF / 38QRF Electrical Data, 40QNC, QNQ Fan Coil Electrical Data

40QNQ, 40QNC specifications

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One of the standout features of the Carrier 40QNC and 40QNQ units is their variable-speed technology. This innovative system allows for precise control of airflow and temperature, ensuring that indoor environments maintain consistent comfort levels while minimizing energy consumption. The variable-speed compressor operates at different speeds based on the cooling demand, leading to reduced energy costs and improved overall efficiency.

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