Lennox FLATAIR FMC-H, FLATAIR, FLATAIR FIC-H, FLATAIR FSC-H Application Manual

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FMC - H

FIC - H

FSC - H

FLATAIR

APPLICATION
GUIDE

Horizontal packaged air conditioners

10  28 kW

FLATAIR AGU-MSL60-1505-E

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FLATAIR

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Application Guide • FLATAIR-AGU-MSL60-1505-E

Ref : FLATAIR AGU-MSL60-1505-E

INDEX

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 operation of this product), reproduced,
issued to or made available to third parties without the prior written agreement of Lennox.

CONTENTS PAGE

1 - General description

2 - Denomination

3 - Range of products /technical features

4 - Operation limits

5 - Fan performances

6 - Sound level

7 - Capacities

9 - Electrical data

10 - Dimensions

11 - Installation

12 - Options

APPLICATION GUIDE

• 2 •

Application Guide • FLATAIR-AGU-MSL60-1505-E

1 - GENERAL DESCRIPTION

FURNITURE

Painted in galvanized metal furniture, high resistant to corrosion.
The units are provided with metal profi les, capable of withstanding
the unit and able as well of installing the unit hung from the ceiling
or mounted on the fl oor .
Panels are easily inter exchangeable, giving several air suction
and return alternatives.
An insulation with a protection of mesh is used in indoor section
with a classifi cation of M1 and F1, certifying that the material is
auto-extinguishable and avoiding the fumes inside the room to
be aconditionned. Auto extinguishable insulation M1 is used in
outdoor units.

COMPRESSORS

All units are provided with scroll compressor, cooling by a suc­tion gas with thermic protection inside the engine, so no other
additional protection is required.

It is mounted on anti-vibration devices both external and internal.
All compresors are R410A

In heat pump units the compressors are provided with a crank­case heater to heat the oil in the compressor so that a suitable
lubrication can take place.

AIR FILTER

Washable air fi lter; auto extinguishable material with M1 clas-
sifi cation, high effi ciency fi ltrate with G2 classifi cation. It can be
removed through the upper part and from both sides.

FAN

Outdoor and indoor fans are centrifugal with an assembled
engine, statically balancing, with a low sound level.

Those fans are assembled to the inserted panel of the units and
split from upper side of the fan with insulated materials to void
vibrations.

EXCHANGER

Made-up with copper pipes and aluminium fi ngs, designed to
get a high heat transfer.

Their dimensions and design of the refrigenrant circuit have
been specially worked to obtain the maximum performance of
the exchanger increasing the power of the unit and reducing
the consumption.

COOLING CIRCUIT

Carried out with welded deshydratable copper pipes with pres­sure intakes with schraeder valves in the suction and liquid lines
both indoors and outdoor units.

In unit 20-25-30 the pressure intakes in the outdoor section are
approachable from the outer part of the unit.

The unit is equipped with both high-low pressure switches with
an automatic reset. It also has a dehydrating fi lter , expansion
system with restrictors in units 10-12-15; expansion valves in
units 20-25-30. The heat pump units are equipped as well with a
suction accumulator to avoid the liquid return to the compressor,
4 way valve and no-return valve.

ELECTRICAL CIRCUIT

Designed according to EN 60204-1 normative hermetically
sealed to avoid condensation. With circuits breakers to protecto
the unit from overloading.

1.1- GENERAL DESCRIPTION

The horizontal air conditioning units, range Flatair, cooling only or heat pump are air condensed units designed for small shopping
center and housing. They can be supplied either compact or on split system.
Due to their small dimensions they are designed for false ceiling and can be placed in air conducts both indoor and outdoor sec­tions.
A wide range of optionals, completed-factory assembled are also available.

Flatair units are designed for false ceiling mounting, to be installed exclusively indoor. For outdoor moun­ting, a shelter or roof structure has to be installed, to avoid direct water entry in the sensible parts of the
unit (electrical board, joints between the indoor unit and the outdoor unit).

• 3 •

Application Guide • FLATAIR-AGU-MSL60-1505-E

1 - GENERAL DESCRIPTION

1.2- CONTROL

CLIMATIC 40 VERSION
CLIMATIC 60 VERSION

We have two versions of Control in Flatair units:

- The basic C40 platform, wich includes one terminal in the
unit and another DC40 remote

- The advanced platform C60 which includes one terminal
in the unit, and 3 remote terminals as in option (DC, DS,
DM)

CLIMATIC™ 60 controller intelligently improves effi ciency and
helps set up and service operations to guarantee long lasting
performance.

OPTIMIZED OPERATION AND SETUP
SAVES ENERGY

CLIMATIC™ 60 is designed to provide the best energy

effi ciency throughout unit’s life cycle while ensuring
reliable and consistent operation with user friendly interfaces.
This new controller constantly monitors more machine parameters
than ever to improve rooftop operation and maximize effi ciency
and reliability

1.3- OPTIONS

Flatair units can be equipped with the following options:

- Main switch

- Heating electrical heater, made of blinded elements and assembled inside the unit

- Kit low ambient -15 degrees

- Kit low ambient 0 degrees (only for cooling units)

- 3 Phase controller (only for 3 phase units)

- Customer terminal DC60 (only for CLIMATIC 60 version)

- Service terminal DS60 (only for CLIMATIC 60 version)

- Remote duct sensor in return

- Ambient remote sensor (only en CLIMATIC 40 version)

- Thermostatic freecooling

- Enthalpic freecooling (only in CLIMATIC 60 version)

- Second return damper for kit freecooling

- Different airfl ow confi gurations in return and supply

- BMS communication interface (CLIMATIC 40 as standard and CLIMATIC 60 as an option)

- Echelon communication interface (CLIMATIC 60)

- Bacnet communication interface (CLIMATIC 60)

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F

FLATAIR

F M C 015 S N M 1 M

M
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Application Guide • FLATAIR-AGU-MSL60-1505-E

2 - DENOMINATION

EXAMPLE :

Approximate Cooling capacity in kW

Revision number

Compact unit
Outdoor unit
Indoor unit

1 Circuit

Cooling only
Heat pump
Cooling only / heat pump

R410A

400V/3/50

FMC: Cooling only unit R-410A
FMH: Heat pump unit R-410A

• 5 •

A BOX B BOX C BOX D BOX

FCM/FCH

10 12 15 20 25 30

kW 9.7 12 15 19.5 23.5 27

kW 10 12.5 15.5 20.5 25 27.9

mm 495 495 595 595 645 645
mm 1250 1250 1300 1450 1500 1500
mm 1250 1250 1330 1520 1800 1800

Kg 170 174 250 268 322 338

10 12 15 20 25 30

m3/h 3500 3400 4500 5650 6000 5850
m

3

/h 2350 2400 3740 4095 4760 5000

Pa 100 90 120 150 160 100

kg 112 116 165 159 202 208

mm 495 495 595 595 645 465
mm 1250 1250 1300 1450 1500 1500
mm 820 820 830 900 1025 1025

3/8" 3/8" 1/2" 5/8" 5/8" 5/8"
3/4" 3/4" 7/8" 7/8" 1-1/8" 1-1/8"

FIX 10 FIX 12 FIX 15

FIC/H

2O 20

FIC/H 25FIC/H

30

m3/h 2350 2300 3575 4850 5750 5500
m

3

/h 1500 1650 2410 2090 3455 3695

Pa 120 110 160 200 240 180

kg 58 58 85 109 121 131

kg 777788
kg 12 12 12 14 15 15
kg 24 24 24 28 30 30

mm 495 495 595 595 645 645
mm 1250 1250 1300 1450 1500 1500
mm 430 430 500 620 775 775

3/8" 3/8" 1/2" 5/8" 5/8" 5/8"
3/4" 3/4" 7/8" 7/8" 1-1/8" 1-1/8"

Application Guide • FLATAIR-AGU-MSL60-1505-E

3 - MAIN TECHNICAL FEATURES

Cooling capacity *
(cooling only)

Heating capacity*
(heat pump)

DIMENSIONS

Height
Lenght
Depth

NET WEIGHT

OUTDOOR UNIT
FSC/FSH

Number & Type of compressor

FAN

Maximum airfl ow rate
Minimum airfl ow rate
Maximum available presure

(1)

NET WEIGHT
DIMENSIONS

Height
Lenght
Depth

PIPES CONNEXIONS

Liquid m

3

/h

Gas m

3

/h

INDOOR UNIT
FIX

Number & Type of compressor

FAN

Maximum airfl ow rate
Minimum airfl ow rate
Maximum available presure

(1)

NET WEIGHT
OPTIONS WIEGHT

Electrical heater
Free-cooling 1 damper
Free-cooling 2 damper

DIMENSIONS

Height
Lenght
Depth

PIPES CONNEXIONS

Liquid m

3

/h

Gas m

3

/h

(*) Air intake temperature in the indoor exchanger :

27ºC DB/19ºC WB

(*) Air intake temperature in the outdoor exchanger: :

35ºC DB

(1) With admissible minimum air fl ow

DB Dry bulb temperature
WB Wet bulb temperature

1 / Scroll

1 / Scroll

• 6 •

A 10-12 1250 1250 495
B15 1300 1330 595
C20 1450 1520 595
D 25-30 1500 1800 645

A 10-12 1250 430 495
B15 1300 500 595
C20 1450 620 595
D 25-30 1500 775 645

A 10-12 1250 820 495
B15 1300 830 595
C20 1450 900 595
D 25-30 1500 1025 645

FIH 10

2350 2140 1500

FIH 12

2300 2040 1650

FIH 15

3575 3170 2410

FIH 20

4850 4500 3090

FIH 25

5750 5470 3455

FIH 30

5500 5060 3695

FSH 10

3500 2970 2350

FSH 12

3400 2890 2400

FSH 15

4500 4250 3740

FSH 20

5650 5150 4095

FSH 25

6000 5600 4760

FSH 30

5850 5400 5000

FIC/H

FSC/H

Application Guide • FLATAIR-AGU-MSL60-1505-E

3 - MAIN TECHNICAL FEATURES

Box Unit Lenght Deep Height

Packaged

Indoor unit

Outdoor unit

3.2 MINIMUM, MAXIMUM AND NOMINAL AIRFLOW RATES

INDOOR UNIT

AIRFLOW RATE

Maximum Nominal Minimum

OUTDOOR UNIT

3.1 DIMENSIONS

AIRFLOW RATE

Maximum Nominal Minimum

• 7 •

10 12 15 20 25 30

FIX/FIC 58 58 85 109 121 131
FSC 112 116 165 159 202 208

FMC 170 174 250 268 322 338
FIX/FIH 58 58 85 109 121 131

FSH 117 121 170 164 207 213
FMH 175 179 255 273 327 343

777788
12 12 12 14 15 15
24 24 24 28 30 30

Application Guide • FLATAIR-AGU-MSL60-1505-E

OPERATION LIMITS FOR COOLING ONLY UNITS

3 - MAIN TECHNICAL FEATURES

Maximum temperatures Minimum temperatures

Cooling mode

Indoor temperature 32ºC DB / 23ºC WB 21ºC DB / 15ºC WB

Outdoor temperature Table 1

Standard unit : + 15ºC

0ºC(*) / -15ºC(**)

(*) With option kit low temperature 0ºC
(**) With option kit low temperature -15ºC

DB.- Dry bulb temperature
WB.- Wet bulb temperature

OPERATION LIMITS FOR HEAT PUMP UNITS

Maximum temperatures Minimum temperatures

Cooling mode

Indoor temperature

32ºC DB / 23ºC WB 21ºC DB / 15ºC WB

Outdoor temperature

Table 1

+ 15ºC STANDARD UNIT

0ºC(*) / -15ºC(**)

Heat pump mode

Indoor temperature

27ºC DB 15ºC DB

Outdoor temperature

Sizes 12-15-20-30 : 25ºC

(1)

Sizes 12-25 : 23ºC

-12ºC

(*) Active CL40 parameter to operate at 0ºC
(**) With option kit low temperature -15ºC

(1) : Indoor temperature : 20°C
DB.- Dry bulb temperature
WB.- Wet bulb temperature

3.3 WEIGHTS

4 - OPERATION LIMITS

FLATAIR (STANDARD)

OPTIONS

MODEL

Cooling only units

Indoor unit
Outdoor unit

Package
(indoor+outdoor)

Heat pump units

Indoor unit
Outdoor unit

Package
(indoor+outdoor)

to add indoor unit

electrical heater
free-cooling 1 damper
free-cooling 2 damper

• 8 •

10 12 15 20 25 30

0

2350 2300 3575 4850 5750 5500

10

2275 2250 3495 4785 5730 5455

20

2240 2200 3410 4715 5705 5405

30

2190 2150 3330 4645 5670 5350

40

2140 2100 3250 4575 5630 5285

50

2080 2040 3170 4500 5580 5220

60

2025 1975 3095 4425 5530 5140

70

1975 1925 3020 4345 5470 5060

80

1925 1860 2945 4260 5405 4965

90

1840 1800 2875 4175 5330 4870

100

1775 1730 2800 4090 5250 4765

110

1625 1650 2735 4000 5165 4655

120

1500 ---- 2665 3910 5075 4640

130

--- --- 2600 3815 4975 4415

140

--- --- 2535 3720 4870 4285

150

--- --- 2470 3620 4755 4150

160

--- --- 2410 3520 4640 4005

170

--- --- --- 3415 4515 3855

180

--- --- --- 3310 4380 3695

190

--- --- --- 3200 4245 ---

200

--- --- --- 3090 4100 ---

210

--- --- --- --- 3945 ---

220

--- --- --- --- 3790 ---

230

--- --- --- --- 3625 ---

240

--- --- --- --- 3455 ---

10 12 15 20 25 30

0

3500 3400 4500 5650 6000 5850

10

3410 3325 4460 5550 5920 5755

20

3300 3160 4410 5450 5840 5665

30

3190 3075 4360 5350 5760 5575

40

3080 2980 4310 5250 5680 5485

50

2970 2890 4250 5150 5600 5400

60

2840 2790 4190 5050 5520 5315

70

2700 2690 4125 4945 5445 5235

80

2560 2580 4055 4840 4365 5155

90

2410 2400 3980 47365 5290 5075

100

2350 --- 3905 4630 5210 5000

110

--- --- 3825 4525 5135 ----

120

--- --- 3740 4420 5060 ----

130

--- --- --- 4315 4985 ----

140

--- --- --- 4205 4910 ----

150

--- --- --- 4095 4835 ----

160

--- --- --- --- 4760 ----

Application Guide • FLATAIR-AGU-MSL60-1505-E

5 - FAN PERFORMANCES

INDOOR UNITS

Nominal airfl ow rate

OUTDOOR UNITS

With option G4 additional pressure drop 50Pa
Keep in mind reduction on air fl ow and static pressure services if you use muffl ers or

external air fi lter.

Available static pressure (Pa)Available static pressure (Pa)

Airfl ow rate (m3/h)

Airfl ow rate (m

3

/h)