Lennox FLATAIR FLHK User manual

FLATAIR
FLCK / FLHK
English/03-2005
INSTALLATION
OPERATION &
MAINTENANCE MANUAL

1
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
AGE
AGE
4
5
6
7
8-11
12-15
16-17
18
18
19-20
21
22
22
23-24
25
26
27
28
29
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.

2
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

3
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
ºC
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:

4
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
kW
Kg
15,3 19,5
1 / Scroll 1 / Scroll 1 / Scroll 1 / Scroll
22,0 28,1
1 / Scroll 1 / Scroll
26,3
1 / Scroll
10
Heating capacity
10,0 12,0
kW
15,5 20,2 22,5 28,727,0
12 16 22 24 28 30
Cooling capacity
9,4 11,3
kW
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
Pa
4500 5250
160 100
5000
120
m /h.
3
34003500 4950 5900 6600 6400
6400
Minimum air flow
(1)
m /h.
3
Maximum air flow
16501500 2400 3200
Maximum available pressure
120 110 160 180
Pa
4000 4500
240 180
4250
200
m /h.
3
2300
2350 3700 5350 6300 6000
6000
Minimum air flow
(1)
m /h.
3
FAN INDOOR SECTION
(1) With admissible minimum air flow.
210205 285 330 410 435
430
205200 280 325 405 430
425
Kg
UNIT MODELS
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

5
1.- GENERAL CHARACTERISTICS
V/f (50 z)
V/f (50 z)
1.2.- ELECTRICAL DATA
3,21
kW
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
kW
kW
kW
kW
Maximum current
Rated absorbed power
2,03 2,54
kW
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
kW
kW
0,38 0,38
kW
0,90 1,30 1,35 1,351,35
0,52 0,52
kW
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
kW
4,11 5,02 5,85 8,837,41
Rated absorbed power
2,26 3,60
2,79 3,68
kW
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
UNIT MODELS
A
A
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
A
7/4 7,4/4,3
A
52,0/30,044,0/25,439,8/23,037,2/21,531,7/18,3
25,0/14,422,4/12,9
A
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
A
A
A
A
52,0/30,044,0/25,439,8/23,037,2/21,531,7/18,3
25,0/14,422,4/12,9
A
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

6
1.3.- FAN SERVICES
1.- GENERAL CHARACTERISTICS
m /h
3
AIR FLOW
m /h
3
AIR FLOW
6300 6000 60002350 2300 3700 53500
NOMINAL
AIR FLOW
10
20
30
40
50
60
70
80
90
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
10
20
30
40
50
60
70
80
90
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:

7
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
45
43
43
43
44
41
45
41
46
42
42
39
41
38
MODELS
Rated outdoor flow
Minimum outdoor flow
10 12 16 22 24 28 30
MODELS WITH REFRIGERANT R-22
48
46
48
45
47
45
48
46
48
44
46
42
44
40
(*) With condensation pressure control (optional), 0 ºC minimum outdoor operating temperature.
(**) With kit got gas bypass valve.
DE ENDING ON MODEL
(TABLE 1)

8
1.5.- UNIT DIMENSIONS MODELS 10-12
1.- GENERAL CHARACTERISTICS
Detail drawing of
unit anchor support
25
60
40
25
80
50
20 x12
Oval hole
F
1250
40
14
430
422
735
404
Air filter
OUTDOOR
SECTION
INDOOR
SECTION
SIDE A
SIDE B
SIDE C
SIDE D
SIDE C
SIDE D
25
Unit anchor
support
1250
109
430
280
90
159
303
495
Distance between holes 1300
184 452
425 32
1250
495
Drainage
outside thread
3/4'' Male
Electrical box
1250
820
349
27
303
305
25
Thermostat connection
ower supply
connection
123
20
SIDE A
SIDE B

9
249 422
500 32
1300
125
500
324
98
182
355
1300
595
595
1.5.- UNIT DIMENSIONS MODEL 16
1.- GENERAL CHARACTERISTICS
Detail drawing of
unit anchor support
25
60
40
25
80
50
20 x12
Oval hole
F
1330
1330
830
40
25
324
500
27
355
320
25
123
745
474
20
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
25
Electrical box