Lennox KFHA 12, KFHA 22, KFHA 10, KFHA 28, KFCK 10 Installation And Operating Manual

TABLE OF CONTENTS

DATA PAGE FOR UNIT COMMISSIONING

1.- GENERAL CHARACTERISTICS

1.1.- PHYSICAL DATA

1.2.-FAN SERVICES

1.3.- ELECTRICAL DATA

1.4.- OPERATING LIMITS

1.5.- UNIT DIMENSIONS

1.6.- SIZES OF STANDARD AND OPTIONAL OPENINGS

1.7.- AVAILABLE OPTIONS

2.- INSTALLATION

2.1.- INSTALLATION GUIDELINES

2.2.- UNIT INSTALLATION

2.3.- OPTIONAL TASK PRIOR TO UNIT INSTALLATION:
CHANGING THE POSITION OF BLOWERS AND AIR INTAKE

2.4.- UNIT LOCATION AND WEIGHT DISTRIBUTION

2.5.- INSTALLATION CLEARANCES

2.6.- DRAINS

2.7.- REFRIGERANT CONNECTIONS

2.8.- ELECTRICAL CONNECTIONS

PAGE 2

PAGE

3
3
4
5

6-8

9-10

11

PAGE

12
12

13-14

15
16

16
17-20
21-22

3.- COMMISSIONING AND OPERATION

3.1.- PRELIMINARY CHECKS

3.2.- STEPS TO FOLLOW FOR COMMISSIONING THE UNIT

4.- MAINTENANCE

4.1.- PREVENTIVE MAINTENANCE

4.2.- CORRECTIVE MAINTENANCE

4.3.- FAILURE DIAGNOSIS

1

PAGE

23

24

PAGE

25

26

27

DATA PAGE FOR UNIT COMMISSIONING

UNIT:

CONTROL PANEL IDENTIFICATION CODE

INSTALLATION ADDRESS:

INSTALLER:

INSTALLER ADDRESS:

DATE OF COMMISSIONING:

CHECKS:

SUPPLY VOLTAGE:

UNIT ON SHOCK ABSORBERS

DRAINAGE WITH TRAP

GENERAL POWER SUPPLY CONNECTION

CONTROL PANEL CONNECTION

SERIAL No.:

INSTALLER TEL.:

RATED VOLTAGE OF THE UNIT:

YES NO

COMPRESSOR OIL LEVEL INDICATOR

DATA INPUT:

COOLING CYCLE

Air Intake Temperature to the coil:
Air Output Temperature to the Coil:

High Pressure:
Low Pressure:

ELECTRIC POWER CONSUMPTION

Compressor

Fan

(Amps)

ºC

ºC

HEATING CYCLE

Air Intake Temperature to the coil:
Air Output Temperature to the Coil:

High Pressure:
Low Pressure:

Compressor

Fan

ºC

ºC

Options Installed:

Comments:

2

1.- GENERAL CHARACTERISTICS

1.1.- PHYSICAL DATA

KFHA: Heat pump unit R-22
KFCK: Cooling only unit R-407C
KFHK: Heat pump unit R-407C

UNIT MODEL

COMPRESSOR

Nº / Type

10 12 16 22 24 28 30

1 / Scroll 1 / Scroll 1 / Scroll 1 / Scroll

1 / Scroll 1 / Scroll

1 / Scroll

NET WEIGHT

Cooling only units KFC

Heat pump units KFH

REFRIGERANT CHARGE

Kg

Kg

130 135

135 140 185 200 270 285280

180

NITROGEN (*)

195 265 285

275

(*) The units are supplied with nitrogen gas, this must be removed and charge the unit with refrigerant R-22 or R­407C, depends on unit model.

(See page 20, to calculate model refrigerant charge)

1.2.- FAN SERVICES

3

m /h

6600 6400 64003500 3400 4950 59000
6490 6300 63003410 3325 4850 5800

6340 6200 62003300 3160 4750 5700
6225 6100 61003190 3075 4625 5600
6100 5980 59803080 2980 4525 5495

5960 5870 58702970 2890 4425 5390
5850 5725 57252840 2790 4325 5280
5710 5600 56002700 2690 4225 5180
5600 5490 54902560 2580 4125 5075
5480 5375 53752410 2400 4040 4975
5350 5250 52502350 3940 4875
5200 51003840 4775
5090 50003750 4675
49504575
48004460
46504350
4500

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NOMINAL

AIR FLOW

---

---

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---

---

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MODELS

10

20

30

40

50

60

70

80

90

100

110

120

130

140

AVAILABLE STATIC PRESSURE Pa.

150

160

10 12 16 22 24 28 30

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AIR FLOW

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3

3

1.- GENERAL CHARACTERISTICS

1.3.- ELECTRICAL DATA

UNIT MODELS

Voltage

Rated absorbed power

Compressor (cooling cycle)
Compressor (heating cycle)
Fan

Total power in cooling cycle
Total power in heating cycle

Maximum current

Compressor

Fan

Total current

Start up current

V/f (50 Hz)

Kw

Kw

Kw

Kw

Kw

A

A

A

A

KFHA 12KFHA 10 KFHA 16 KFHA 22 KFHA 24 KFHA 28

230V/ 1Ph

230V-400V/ 3Ph

2,60 3,41
2,03 2,54

0,52 0,52 1,10 1,60 1,60 1,601,60

3,12
2,55 3,06 3,50 5,30

18,6

16,7/7,2 19,3/8,7 19,9/11,5 22,4/12,9 25,3/14,6 36,5/21,028,5/16,3

3,1 3,1

21,7

99

3,93

22,4/11,819,8/10,3

4,11 5,02 5,85 8,837,41
2,94 3,70 4,85 6,485,48

5,21 6,62

4,8/2,8 7,4/4,3 8,1/4,7 8,1/4,7 8,1/4,7

7,45 10,43
6,45 8,08

9,01
7,08

KFHA 30

44,6/25,736,6/21,033,4/19,329,8/17,224,7/14,3

177/109183/83181/109193/110148/77102/5496/47

UNIT MODELS

Voltage

Rated absorbed power

Compressor (Cooling cycle)
Compressor (heating cycle)
Fan

Total power in Cooling cycle
Total power in heating cycle

Maximum current

Compressor

Fan

Total Current

Start up current

V/f (50 Hz)

Kw

Kw

Kw

Kw

Kw

A

A

A

A

KFCK 10
KFHK 10

230V/ 1Ph

2,79 3,68

2,26

0,52 0,52 1,10 1,60 1,60 1,601,60

3,31
2,78 3,73 4,70 5,44

18,6

16,7/7,2 19,3/8,7 19,9/11,5 22,4/12,9 25,3/14,6 36,5/21,028,5/16,3

3,1 3,1

21,7

99

KFCK 12
KFHK 12

3,21

4,20

22,4/11,819,8/10,3

KFCK 16
KFHK 16

4,41 5,20 6,05 9,257,43
3,60

5,51 6,80

4,8/2,8 7,4/4,3 8,1/4,7 8,1/4,7 8,1/4,7

KFCK 22
KFHK 22

230V-400V/ 3Ph

3,84 5,65 7,376,25

KFCK 24
KFHK 24

7,65 10,85
7,25 8,97

KFCK 28
KFHK 28

9,03
7,85

KFCK 30
KFHK 30

44,6/25,736,6/21,033,4/19,329,8/17,224,7/14,3

177/109183/83181/109193/110148/77102/5496/47

4

1.- GENERAL CHARACTERISTICS

1.4.- OPERATING LIMITS
(To install with LFXO / LFCK / LFHK / LFHA indoor unit)

OPERATING LIMITS FOR (COOLING ONLY) UNITS

MAXIMUM TEMPERATURES MINIMUM TEMPERATURES

COOLING CYCLE

OPERATION

INDOOR

TEMPERATURE

OUTDOOR

TEMPERATURE

32º C DB / 23ºC WB

DEPENDING ON MODEL

(TABLE 1)

21º C DB / 15ºC WB

0º C (MODELS 22/24/28/30)

19º C (MODELS 10/12/16) (*)

(*) With condensation pressure control (optional), 0 ºC minimum outdoor operating temperature

OPERATING LIMITS FOR (heating PUMP) UNITS

MAXIMUM TEMPERATURES MINIMUM TEMPERATURES

COOLING CYCLE

OPERATION

heating CYCLE

OPERATION

INDOOR

TEMPERATURE

OUTDOOR

TEMPERATURE

INDOOR

TEMPERATURE

OUTDOOR

TEMPERATURE

32º C DB / 23ºC WB

DEPENDING ON MODEL

(TABLE 1)

27º C DB

24º C DB / 18ºC WB

21º C DB / 15ºC WB

0º C (MODELS 22/24/28/30)

19º C (MODELS 10/12/16) (*)

21º C BD / 15ºC WB

-10º C DB / -11ºC WB

(*) With condensation pressure control (optional), 0 ºC minimum outdoor operating temperature

DB.- Dry Bulb Temperature
WB.- Wet Bulb Temperature

TABLE 1-COOLING CYCLE MAXIMUM OUTDOOR OPERATING TEMPERATURES

MODELS WITH REFRIGERANT R-407C

MODELS

With rated outdoor flow

With minimum outdoor flow

MODELS WITH REFRIGERANT R-22

MODELS

With rated outdoor flow

With minimum outdoor flow

10 12 16 22 24 28 30
45

43

43

43

44

41

45

41

46

42

42

39

41

38

10 12 16 22 24 28 30
48

46

48

45

47

45

5

48

46

48

44

46

42

44

40

1.- GENERAL CHARACTERISTICS

1.5.- UNIT DIMENSIONS

Connection pipes

Distance between holes

MODELS 10-12: 1300 mm

MODEL 16 = 1350 mm

Indoor unit

electrical

connection

SIDE B

UNITES MODEL 10-12

820

32

425

184

452

SIDE A

Unit anchor

support

UNIT MODEL 16

Connection pipes

1250

333

6

27

303

349

25

123

495

711,6

SIDE B

SIDE A

Electrical box

Power supply connection

Control panel connection

Drainage
outside thread
3/4'' Male

20 x12

Oval hole

25

50

25

40

60

80

32

Unit anchor

support

500

249

830

422

SIDE A

Connection pipes

1300

6

27

355

25

324

333

123

721,6

6

595

Detail drawing of

unit anchor support

Electrical box

Power supply connection

Control panel connection

Drainage
outside thread
3/4'' Male

SIDE B

1.- GENERAL CHARACTERISTICS

1.5.- UNIT DIMENSIONS

Connection pipes

Indoor unit

electrical

connection

SIDE C

UNIT MODEL 22

Power supply

connection

36,5

497

Control panel

connection

262

900

462

SIDE A

Connection pipes

1450

47

25

355

324

92

SIDE D

595

SIDE B

SIDE B

SIDE A

Drainage
outside thread
3/4'' Male

20 x12

Oval hole

50

25

40

Indoor unit

electrical

connection

Unit anchor

support

Gas pipe

900

Distance between holes1500

SIDE C

1450

Liquid pipe

300

7

Electrical box

30

595

791

SIDE D

25

60

80

Detail drawing of

unit anchor support

1.- GENERAL CHARACTERISTICS

1.5.- UNIT DIMENSIONS

UNITES MODEL 24-28-30

SIDE D

Connection pipes

Indoor unit

electrical

connection

SIDE C

SIDE B

SIDE A

1025

Electrical box

490

SIDE A

398

Control panel

connection

1500

25

76

355

410

Power supply

connection

103

Indoor unit

electrical

connection

645

SIDE B

Drainage
outside thread
3/4'' Male

Gas pipe

1025

1500

Liquid pipe

677

124

20 x12

Oval hole

50

25

40

25

60

80

Detail drawing of

unit anchor support

Unit anchor

support

Distance between holes1550

8

645

537

916

SIDE C

SIDE D

1.- GENERAL CHARACTERISTICS

1.6.- UNIT OPENING SIZES

UNITS MODELS 10-12

B1

B0

A0

COMPRESSOR

COIL

FAN

C.E.

A1

STANDARD CONFIGURATION
OPTIONAL CONFIGURATION

ELECTRICAL BOX

B0

303

495

170

STANDARD

BLOWER

OPENING

452184

STANDARD

EXTRACTOR

OPENING

349

123

425

43

495

368

C.E.

A1A0

B1

OPTIONAL

BLOWER

OPENING

495

425

43

OPTIONAL

EXTRACTOR

OPENING

349

452

495

303

38

269

UNIT MODEL 16

COMPRESSOR

B0

A0

C.E.

STANDARD CONFIGURATION
OPTIONAL CONFIGURATION

ELECTRICAL BOX

COIL

B1

FAN

A1

355

595

213

B0

324

123

STANDARD

BLOWER

OPENING

422249

STANDARD

EXTRACTOR

OPENING

500

63

595

428

C.E.

A1A0

B1

595

500

63

324

OPTIONAL

BLOWER

OPENING

422

OPTIONAL

EXTRACTOR

OPENING

595

355

58

304

9

1.- GENERAL CHARACTERISTICS

1.6.- UNIT OPENING SIZES

UNIT MODEL 22

B0

A0

B1

C.E.

COMPRESSOR

COIL

FAN

A1

STANDARD CONFIGURATION
OPTIONAL CONFIGURATION

ELECTRICAL BOX

595

B0

355

324

193

STANDARD

BLOWER

OPENING

462262

STANDARD

EXTRACTOR

92

497

61

OPENING

595

391,5

A1A0

B1

595

497

61

324

OPTIONAL

BLOWER

OPENING

462

OPTIONAL

EXTRACTOR

OPENING

193

595

355

384

UNITS MODELS 24-28-30

B0

COMPRESSOR

C.E.

COIL

A0

FAN

A1

STANDARD CONFIGURATION

OPTIONAL CONFIGURATION

ELECTRICAL BOX

B1

645

645

B0

355

214

STANDARD

40

537

STANDARD

EXTRACTOR

410

BLOWER

OPENING

677

OPENING

103

222

103

A1A0

40

537

645

B1

410

OPTIONAL

BLOWER

OPENING

677

OPTIONAL

EXTRACTOR

OPENING

214

355

645

174

10