Lennox FLATAIR FLHK User manual

FLATAIR

FLCK / FLHK

English/03-2005

INSTALLATION

OPERATION &

MAINTENANCE MANUAL

WARNING: Read this manual before installation, reparation o maintenance works.

1.1.- HYSICAL DATA

1.2.- ELECTRICAL DATA

1.3.- FAN SERVICES

1.4.- O ERATING LIMITS

1.5.- UNIT DIMENSIONS

1.6.- SIZES OF STANDARD AND O TIONAL O ENINGS

1.7.- AVAILABLE O TIONS

DATA AGE FOR UNIT COMMISSIONING

4.- MAINTENANCE

4.1.- REVENTIVE MAINTENANCE

4.2.- CORRECTIVE MAINTENANCE

4.3.- FAILURE DIAGNOSIS

2.- INSTALLATION

3.- COMMISSIONING AND O ERATION

1.- GENERAL CHARACTERISTICS AGE

AGE

8-11

12-15

16-17

19-20

23-24

TABLE OF CONTENTS

AGE 3

2.1.- RELIMINARY RE ARATIONS

2.2.- UNIT RECE TION

2.3.- O TIONAL TASKS RIOR TO UNIT INSTALLATION:

CHANGING THE OSITION OF BLOWERS AND AIR INTAKE

2.4.- UNIT LOCATION AND WEIGHT DISTRIBUTION

2.5.- INSTALLATION CLEARANCES

2.6.- DRAINS

2.7.- ELECTRICAL CONNECTIONS

3.1.- RELIMINARY CHECKS

3.2.- STE S TO FOLLOW FOR COMMISSIONING THE UNIT

OINTS TO KEE IN MIND AGE 2

Lennox have been providing environmental solutions since 1895, our range of FLATAIR continues to meet the standards that

have made LENNOX a household name. Flexible design solutions to meet YOUR needs and uncompromising attention to

detail. Engineered to last, simple to maintain and Quality that comes as standard. Information on local contacts at

www.lennoxeurope.com.

All the technical and technological information contained in this manual, including any drawing and technical descriptions

provided by us, remain the property of Lennox and must not be utilised (except in the operation of this product), reproduced,

issued to or made available to third parties without the prior written agreement of Lennox.

Make sure to open the power off switch before to install, repair or make maintenance works in the unit, in order to

prevent serious electrical injuries.

To install the unit, keep in mind local and national legislation.

ELECTRICAL CONNECTIONS

ATTENTION - WARNING

Risk of injury with

rotating objects

Low

temperatures

High

temperatures

Risk of injury with

moving objects

Electrical

voltage

Abrasive

surfaces

FILTER CLEANING

Check the air filter and make

sure it is not blocked with dust

or dirt.

If the filter is dirty, wash it in a bowl with neutral

soap and water, drying it in the shade before

inserting it in the unit.

All technical data contained in these operating instructions including the diagrams and technical description remains the property

of Lennox and may not be used (except for the purpose of familiarizing the user with the equipment), reproduced, photocopied,

transferred or transmitted to third parties without prior written authorization from Lennox .

The data published in the operating instructions is based on the latest information available. We reserve the right to make

modifications without notice.

We reserve the right to modify our products without notice without obligation to modify previously supplied goods.

These operating instructions contain useful and important information for the smooth operation and maintenance of your

equipment.

The instructions also include guidelines on how to avoid accidents and serious damage before commissioning the equipment

and during its operation and how to ensure smooth and fault-free operation. Read the operating instructions carefully before

starting the equipment, familiarize yourself with the equipment and handling of the installation and carefully follow the instructions.

It is very important to be properly trained in handling the equipment. These operating instructions must be kept in a safe place

near the equipment.

Like most equipment, the unit requires regular maintenance. This section concerns the maintenance personnel and management.

If you have any queries or would like to receive further information on any aspect relating to your equipment, do not hesitate

to contact us.

The air filter cleaning operations do not

require technical service; however when

an electrical or mechanical operation

is required call an Engineer.

Electric shock hazard can cause injury

or death. Before attempting to perform

any service or maintenance on the

unit, turn OFF the electrical power,

and check that the fan has stopped.

Standard Guidelines to Lennox equipment

OINTS TO KEE IN MIND

DANGER AND WARNING SIGNS

UNIT: SERIAL Nr.:

INSTALLATION ADDRESS:

INSTALLER: INSTALLER TEL.:

C ECKS:

SU LY VOLTAGE:

DATA INPUT:

Air Intake Temperature, Outdoor Coil: ºC

DATE OF COMMISSIONING:

INSTALLER ADDRESS:

RATED VOLTAGE OF THE UNIT:

YES NO

GENERAL OWER SU LY CONNECTION

CONTROL ANEL CONNECTION

COLD CYCLE HEATING CYCLE

Air Output Temperature, Outdoor Coil: ºC

Air Intake Temperature, Indoor Coil: ºC

Air Output Temperature, Indoor Coil: ºC

High ressure:

Low ressure:

Options Installed:

ºC

High ressure:

Low ressure:

ºC

Comments:

COM RESSOR OIL LEVEL INDICATOR

UNIT ON SHOCK ABSORBERS

DRAINAGE WITH TRA

CLEAN INTERIOR AIR FILTER

CONTROL ANEL IDENTIFICATION CODE

DATA AGE FOR UNIT COMMISSIONING

ELECTRIC POWER CONSUMPTION

Compressor

Fan outdoor section

Compressor

Fan outdoor section

Fan indoor section Fan indoor section

(Amps)

Air Intake Temperature, Outdoor Coil:

Air Output Temperature, Outdoor Coil:

Air Intake Temperature, Indoor Coil:

Air Output Temperature, Indoor Coil:

1.- GENERAL CHARACTERISTICS

FLHA: Heat pump unit R-22

FLCK: Cooling only unit R-407C

FLHK: Heat pump unit R-407C

1.1.- HYSICAL DATA

Cooling capacity

COMPRESSOR Nr. / Type

FAN OUTDOOR SECTION

NET WEIG T

DB.- Dry bulb temperature

WB.- Wet bulb temperature

9,8 11,8

15,3 19,5

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

22,0 28,1

1 / Scroll 1 / Scroll

26,3

1 / Scroll

Heating capacity

10,0 12,0

15,5 20,2 22,5 28,727,0

12 16 22 24 28 30

Cooling capacity

9,4 11,3

14,7 19,2 21,0 27,6

Heating capacity kW

10,3 12,3 15,6 20,0 22,8 29,8

FL A 12FL A 10 FL A 16 FL A 22 FL A 24 FL A 28 FL A 30

26,0

27,0

FLCK 12

FL K 12

FLCK 10

FL K 10

FLCK 16

FL K 16

FLCK 22

FL K 22

FLCK 24

FL K 24

FLCK 30

FL K 30

FLCK 28

FL K 28

(*) Air intake temperature in the indoor exchanger: 27ºC DB/19ºC WB

(*) Air intake temperature in the outdoor exchanger: 35ºC DB

(**) Air intake temperature in the indoor exchanger: 20ºC DB / 12ºC WB

(**) Air intake temperature in the outdoor exchanger: 7ºC DB / 6ºC WB

Refrigerant charge R-22

Refrigerant charge

R-407C

2240 2560 3550 5000

7500 82008000

2620 2920 4000 5500

--- 7000---

Maximum air flow

24002350 3750 4350

Maximum available pressure

100 90 120 150

4500 5250

160 100

5000

120

m /h.

34003500 4950 5900 6600 6400

6400

Minimum air flow

(1)

m /h.

Maximum air flow

16501500 2400 3200

Maximum available pressure

120 110 160 180

4000 4500

240 180

4250

200

m /h.

2300

2350 3700 5350 6300 6000

6000

Minimum air flow

(1)

m /h.

FAN INDOOR SECTION

(1) With admissible minimum air flow.

210205 285 330 410 435

430

205200 280 325 405 430

425

UNIT MODELS

gr.

2900 3100 3900 5400 8400 87008600

gr.

Cooling only units FLC

Heat pump units FLH

(*)

(**)

(*)

(**)

FLCK

FLHK

Application

C: Cooling only

H: Heat pump

Type of Refrigerant

A: R-22

K: R-407C

Unit size.

Approximate cooling

capacity in kW

UNIT MODELS

FL C K 22

Type of unit

Horizontal compact

FLATAIR

1.- GENERAL CHARACTERISTICS

V/f (50 z)

1.2.- ELECTRICAL DATA

3,21

3,84 5,65 7,376,25

Total power in Cooling cycle

Total power in heating cycle

Voltage

230V-400V/ 3 h

230V/ 1 h

FL A 12FL A 10 FL A 16 FL A 22 FL A 24 FL A 28 FL A 30

FLCK 12

FL K 12

FLCK 10

FL K 10

FLCK 16

FL K 16

FLCK 22

FL K 22

FLCK 24

FL K 24

FLCK 30

FL K 30

FLCK 28

FL K 28

Maximum current

Rated absorbed power

2,03 2,54

2,94 3,70 4,85 6,485,48

Total power in cooling cycle

Total power in heating cycle

Voltage

230V-400V/ 3 h

230V/ 1 h

0,38 0,38

0,90 1,30 1,35 1,351,35

0,52 0,52

1,10 1,60 1,60 1,601,60

Maximum current

Total current

Start up current

0,38 0.38 0,90 1,30 1,35 1,351,35

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

2,60 3,41

4,11 5,02 5,85 8,837,41

Rated absorbed power

2,26 3,60

2,79 3,68

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

Total Current

Start up current

3,69

4,58

6,41 8,10

3,16 4,11 5,60 6,74

9,00 12,20

8,60 10,32

10,38

9,20

UNIT MODELS

3,50

4,31

6,11 7,92

16,7/7,2 19,3/8,7 19,9/11,5 22,4/12,9

2,93 3,44 4,94 6,60

8,80 11,78

7,80 9,43

25,3/14,6 36,5/21,0

10,36

8,43

28,5/16,3

7/4 7,4/4,3

52,0/30,044,0/25,439,8/23,037,2/21,531,7/18,3

25,0/14,422,4/12,9

24,3

2,6 2,6

7,4/4,3 7,4/4,3 7,4/4,3

3,1 3,1

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

18,6

52,0/30,044,0/25,439,8/23,037,2/21,531,7/18,3

25,0/14,422,4/12,9

24,3

7/4 7,4/4,3

2,6 2,6

7,4/4,3 7,4/4,3 7,4/4,3

3,1 3,1

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

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

18,6

Fan outdoor section

Fan indoor section

Compressor (heating cycle)

Fan outdoor section

Fan indoor section

Compressor

Fan outdoor section

Fan indoor section

Compressor (cooling cycle)

Compressor (heating cycle)

Compressor (Cooling cycle)

Compressor

Fan outdoor section

Fan indoor section

240/136226/132182/108

193/110

145/73104/5697/52

101

240/136226/132182/108193/110145/73104/5697/52

101

1.3.- FAN SERVICES

1.- GENERAL CHARACTERISTICS

m /h

AIR FLOW

m /h

AIR FLOW

6300 6000 60002350 2300 3700 53500

NOMINAL

AIR FLOW

100

110

120

130

140

160

180

200

220

240

6225 5925 59252275 2250 3625 5200

6140 5860 58602240 2200 3550 5090

6100 5800 58002190 2150 3475 4960

6010 5725 57252140 2100 3400 4850

5930 56502080 2040 3320 4725

5875 56002025 1975 3240 4610

5790

5600

55101975 1925 3160 4505

5710

5510

54401925 1860 3090 4400

5620

5440

53501840 1800 3000 4300

5540

5350

52751775 1730 2915 4160

5450

5275

51901625 1650 2825 4040

5350

5190

51001500 2750 3925

5320

5100

5000--- 2670 3800

5150

5000

49102580 3700

4940 4700 47002400 3525

4700 4500 45003200

4425 4250

4175

4000

6600 6400 64003500 3400 4950 59000

100

110

120

130

140

150

160

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

MODELS 10 12 16 22 24 28 30

10 12 16 22 24 28 30

INDOOR UNITS

OUTDOOR UNITS

---

5650

4910

AVAILABLE STATIC RESSURE a.

---

--- ---

---

MODELS

NOMINAL

AIR FLOW

AVAILABLE STATIC RESSURE a.

Keep in mind reduction on air flow and static pressure services if you use mufflers or external air filter.

NOTE:

1.- GENERAL CHARACTERISTICS

1.4.- O ERATING LIMITS

INDOOR

TEM ERATURE

MAXIMUM TEM ERATURES MINIMUM TEM ERATURES

32ºC DB / 23ºC WB

COOLING CYCLE

O ERATION

21ºC DB / 15ºC WB

OUTDOOR

TEM ERATURE

0ºC (MODELS 22/24/28/30)

19ºC (MODELS 10/12/16) (*)

-10ºC (**)

INDOOR

TEM ERATURE

MAXIMUM TEM ERATURES MINIMUM TEM ERATURES

32ºC DB / 23ºC WB 21ºC DB / 15ºC WB

OUTDOOR

TEM ERATURE

INDOOR

TEM ERATURE 27ºC DB 15ºC DB

OUTDOOR

TEM ERATURE 24ºC DB / 18ºC WB -10ºC DB / -11ºC WB

0º C (MODELS 22/24/28/30)

19º C (MODELS 10/12/16) (*)

-10ºC (**)

COOLING CYCLE

O ERATION

HEATING CYCLE

O ERATION

OPERATING LIMITS FOR (COOLING ONLY) UNITS

OPERATING LIMITS FOR ( EATING PUMP) UNITS

DB.- Dry Bulb Temperature

WB.- Wet Bulb Temperature

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

(**) With kit got gas bypass valve.

DE ENDING ON MODEL

(TABLE 1)

TABLE 1- COOLING CYCLE MAXIMUM OUTDOOR OPERATING TEMPERATURES

MODELS

Rated outdoor flow

Minimum outdoor flow

10 12 16 22 24 28 30

MODELS WITH REFRIGERANT R-407C

MODELS

Rated outdoor flow

Minimum outdoor flow

10 12 16 22 24 28 30

MODELS WITH REFRIGERANT R-22

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

(**) With kit got gas bypass valve.

DE ENDING ON MODEL

(TABLE 1)

1.5.- UNIT DIMENSIONS MODELS 10-12

1.- GENERAL CHARACTERISTICS

Detail drawing of

unit anchor support

20 x12

Oval hole

1250

430

422

735

404

Air filter

OUTDOOR

SECTION

INDOOR

SECTION

SIDE A

SIDE B

SIDE C

SIDE D

SIDE C

SIDE D

Unit anchor

support

1250

109

430

280

159

303

495

Distance between holes 1300

184 452

425 32

1250

495

Drainage

outside thread

3/4'' Male

Electrical box

1250

820

349

303

305

Thermostat connection

ower supply

connection

123

SIDE A

SIDE B

249 422

500 32

1300

125

500

324

182

355

1300

595

1.5.- UNIT DIMENSIONS MODEL 16

1.- GENERAL CHARACTERISTICS

Detail drawing of

unit anchor support

20 x12

Oval hole

1330

830

324

500

355

320

123

745

474

517

Thermostat connection

ower supply connection

Air filter

SIDE A

SIDE B

OUTDOOR

SECTION

INDOOR

SECTION

SIDE A

SIDE B

SIDE C

SIDE D

SIDE C

SIDE D

Drainage

outside thread

3/4'' Male

Unit anchor

support

Distance between holes 1350

Electrical box

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