Lennox FLEXAIR FAC Series Application Manual
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Lennox FLEXAIR FAC Series Application Manual

Air cooled rooftop packaged unit
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APPLICATION
GUIDE
Air cooled rooftop packaged unit
85  230 kW
FLEXAIR
FAC - FAG - FAH - FAM
FLEXAIR-AGU-1505-E
lennoxemeia.com

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Summary of Contents for Lennox FLEXAIR FAC Series

  • Page 1 APPLICATION GUIDE FLEXAIR FAC - FAG - FAH - FAM Air cooled rooftop packaged unit 85  230 kW FLEXAIR-AGU-1505-E lennoxemeia.com...

  • Page 3: Table Of Contents

    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.
  • Page 4 • 2 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 5 MODEL NUMBER DESCRIPTION EXAMPLE : 3 0 0 400V/3/50 FLEXAIR 230V/1/50 Revision number Air cooled Water cooled R410A No condenser No refrigerant High heat Cooling Standard heat Heat pump No heat gas fi red dual fuel heat recovery 1 Circuit 2 Circuits 3 Circuits 4 Circuits...

  • Page 6: General Description

    THE EUROPEAN LEADER TO DRIVE CONTINUOUS ENERGY SAVINGS Reduced maintenance Costs Lennox contribution to combat rising energy costs and global warming is to design innovative, effi cient and dependable products, while providing best comfort and air quality. • Fully factory tested plug and play packaged system.
  • Page 7 Free cooling The exchangers have been specially designed by Lennox for Some times the thermodynamic cooling can be replaced by R410A operation, this copper tube and aluminum fi ns exchangers free cooling by introducing cold outside air into the building.
  • Page 8 Capacity load in % of nominal A Multiscroll + eDRIVE C Multiscroll B Inverter scroll D Single scroll Source: PERSAPAC Study by Cetiat, Eurovent, Armine & EDF Lennox Europe Laboratory comparative testing on rooftops • 6 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 9 1- GENERAL DESCRIPTION 1.5. ELECTRONIC EXPANSION VALVES Multiscroll” compressor technology with electronic expansion valves allows energy consumption reduction when compared to “inverter” solutions: The new electronic expansion valves are directly driven by the eClimatic and optimize the performances in both cooling and •...
  • Page 10 Fan absorbed power with variable airfl ow rate good support for compressors and giving rigidity to the complete structure. eDRIVE VENTILATION eDRIVE is a standard feature of Lennox FLEXAIR units - 25% for ventilation with direct transmission, variable speed drives that saves energy and Airfl ow rate reduces maintenance costs.
  • Page 11 Dynamic defrost: and reliability It is a standard feature of all Lennox heat pumps. It limits the number and the duration of the defrost cycles in winter to maximize COP. With a smart and propietary frost-detection system, the...
  • Page 12 1- GENERAL DESCRIPTION Free cooling: Morning anticipation and dynamic set point It is one of the most important features of this rooftop as it maximise The unit can be programmed to switch-on in the morning to reach the occupied zone temperature set point just in time. seasonal effi...
  • Page 13 UNIT CONSTRUCTION 4: Master Slave "cooling/heating": All rooftop are stand-alone but the slaves have to have the same FLEXAIR by Lennox is assembled with the highest standards running mode as the master (Cooling or heating). of quality. 5: Master Slave “Back-up”:...
  • Page 14 1- GENERAL DESCRIPTION EASY ACCESS TO THE UNIT 1.9. INDOOR AIR QUALITY COMPONENTS In FLEXAIR we keep the accessibility of all the components to the indoor unit, as well as all the internal refrigerant components FILTERS As standard the unit comes with EU3 fi lters We can increase the capacity of fi...
  • Page 15 1- GENERAL DESCRIPTION 1.10- FRESH AIR AND FREE COOLING SYSTEM Freecooling system is a standard feature for all Lennox rooftops, Because a fresh air damper curve is not linear, it is not accurate with a two sections damper made in aluminum, and connected with...

  • Page 16: Options Description

    2- OPTIONS DESCRIPTION 2.1- AUXILIARY HEATING OPTIONS HOT WATER COILS GAS BURNER A water coil made of copper pipe and FLEXAIR FAM and FAG units are aluminum fi ns can be installed to answer fi tted with a gas burner. It is a safe and heating requirements.
  • Page 17 2.2- HEAT RECOVERY OPTIONS FLEXAIR RECOVERY ON EXHAUST AIR (HEAT RECOVERY WHEEL) To match Lennox commitment to a greener planet and to generate FLEXAIR savings FLEXAIR by Lennox can be equipped with one system to recover FLEXAIR from the extraction air.
  • Page 18 2- OPTIONS DESCRIPTION 2.4- ELECTRICAL OPTIONS ENTHALPY CONTROL AND CO2 SENSOR 3 PHASE CONTROL This option includes combined temperature and humidity This phase control device offers the guarantee of the correct sensors, to ensure that the economizer does not use 100% phase connection, together with an overvoltage and under fresh air if the outside air has a higher enthalpy than the return voltage protection.
  • Page 19 One ADALINK II™ can control up to 32 and operating mode pictogram, heating or cooling status. Lennox units on the same site (Chillers, rooftop or any other It is also able to display supply fan airfl ow rate (0-33-66-100%) unit using controller and above).
  • Page 20 2.6- REFRIGERATION OPTIONS Low Noise Option Anti corrosion protection As rooftops are often installed in a noise sensitive area, LENNOX When the units are installed in potentially aggressive proposes a low noise option on FLEXAIR. To achieve low noise environments, which can often be the case for example in coastal...
  • Page 21 2- OPTIONS DESCRIPTION 2.8- AIRFLOW CONFIGURATIONS AND ROOFCURBS BASIC AIRFLOW CONFIGURATIONS AIR SOCK CONTROL A standard feature in FLEXAIR, EC fan regulation allow the air socks to be progressively fi lled with air on start up. It takes one minute to go from 0% of air to Nominal airfl ow rate Standard Unless specifi...
  • Page 22 2.9- EXTRACTION OPTIONS UNIT WITH NO EXHAUST AIR OPTION 1 → 2 : ESP (external static pressure) given in eLencal (LENNOX units selection tool) corresponds to the static pressure between inlet and outlet of the unit and includes all options and accessories delivered with the unit with the exception of the ductwork.
  • Page 23 2- OPTIONS DESCRIPTION POWER EXHAUST FAN EXTRACTION ROOFCURB 1 → 2: ESP “Supply” in eLencal. 1 → 3: ESP Return in eLencal Power exhaust axial fans with gravity exhaust dampers provide 3 → 2: ESP Supply in eLencal exhaust air pressure relief when high levels of outside air are Where system balancing is critical and return ductwork pressure being introduced in the building with good air tightness.
  • Page 24 3- GENERAL DATA Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating FLEXAIR Casing F BOX Nominal airfl ow rate 15000 18500 20500 Cooling mode (FAC - FAG) Gross cooling capacity 86,0 101,3 119,3...

  • Page 25: General Data

    3.- GENERAL DATA Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating FLEXAIR Indoor fan (FAG - FAM) Nominal airfl ow rate 15000 18500 20500 Minimum airfl ow rate 12000 14000 15000 Maximum airfl...
  • Page 26 3- GENERAL DATA Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating FLEXAIR™ Casing G BOX H BOX Nominal airfl ow rate 28000 30000 35000 39000 Cooling mode (FAC - FAG) Gross cooling capacity 147,2 164,6...
  • Page 27 3- GENERAL DATA Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating FLEXAIR™ Indoor fan Nominal airfl ow rate 28000 30000 35000 39000 Minimum airfl ow rate 18000 21000 24000 27000 Maximum airfl...

  • Page 28: Options Data

    4- OPTIONS DATA Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating FLEXAIR Nominal airfl ow rate 15000 18500 20500 28000 30000 35000 39000 Heating - electric Type of modulation Staged on S / Triac on M &...

  • Page 29: Standard Unit Performances

    5- STANDARD UNITS PERFORMANCES 5.1- UNIT PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 80,6 53,0 16,9 77,4 51,4 18,7 73,8 49,7 20,6 69,8 48,0 22,8 65,2 46,2 25,2...
  • Page 30 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Temperatura de aire exterior 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 81,2 53,3 16,9 78,2 51,8 18,7 74,7 50,2 20,6 70,8 48,5 22,8 66,4 46,8 25,3 24°C...
  • Page 31 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 90,4 60,1 20,3 86,8 58,2 22,2 82,7 56,3 24,3 78,2 54,3 26,6 73,1 52,2 29,1 24°C 91,2...
  • Page 32 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 91,2 60,5 20,3 87,7 58,7 22,2 83,8 56,8 24,3 79,5 54,9 26,6 74,6 52,9 29,1 24°C 92,1...
  • Page 33 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER 25°C 30°C 35°C 40°C 45°C Outdoor air temperature Wet bulb Dry bulb 105,1 68,5 26,6 100,6 65,8 29,4 95,4 63,3 32,6 89,5 60,7 36,0 82,9 58,0 39,7 21°C 24°C 106,2 83,8...
  • Page 34 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 106,3 69,0 26,6 101,9 66,4 29,4 96,8 63,9 32,6 91,1 61,3 36,0 84,8 58,6 39,7 24°C 107,3 84,3...
  • Page 35 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 120,5 79,8 31,7 115,0 76,6 35,1 108,7 73,6 38,8 101,6 70,5 42,8 93,7 67,3 47,3 21°C 24°C 121,5 98,1...
  • Page 36 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 124,6 81,8 31,8 119,0 78,5 35,2 112,7 75,5 38,9 105,6 72,4 43,0 97,8 69,1 47,4 24°C 125,6 99,8...
  • Page 37 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 145,7 95,5 36,2 139,6 91,8 40,0 132,6 88,3 44,3 124,6 84,7 49,0 115,7 81,0 54,3 21°C 24°C 147,0 116,6 36,3 140,9 113,3 40,1 133,9 109,8 44,4 125,9 106,1 49,1 116,9 101,9 54,5...
  • Page 38 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 147,6 96,3 36,2 141,8 92,8 40,0 135,0 89,3 44,3 127,3 85,8 49,1 118,7 82,1 54,4 24°C 148,9 117,6...
  • Page 39 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER 25°C 30°C 35°C 40°C 45°C Outdoor air temperature Wet bulb Dry bulb 152,7 99,2 39,1 164,8 107,4 44,2 157,1 103,6 48,4 148,5 99,7 53,1 138,9 95,6 58,2 21°C 24°C 172,9 135,8 40,4 166,2 132,2 44,3 158,5 128,4 48,5 149,9 124,3 53,2 140,3 119,8 58,4...
  • Page 40 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 173,2 112,3 40,3 166,8 108,5 44,2 159,5 104,7 48,4 151,2 100,8 53,0 141,9 96,8 58,2 24°C 174,6 136,9 40,4 168,2 133,3 44,2 160,8 129,6 48,5 152,5 125,6 53,1 143,2 121,1 58,3...
  • Page 41 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER 25°C 30°C 35°C 40°C 45°C Outdoor air temperature Wet bulb Dry bulb 200,7 129,2 52,9 192,3 124,1 58,7 182,5 119,1 65,1 171,4 114,0 72,1 158,8 108,6 79,6 21°C 24°C 202,5 156,6 53,0 194,1 152,0 58,8 184,2 147,2 65,2 173,0 141,9 72,2 160,3 135,9 79,7...
  • Page 42 5- STANDARD UNITS PERFORMANCES Cooling only Heat pump COOLING CAPACITY AND ABSORBED POWER Outdoor air temperature 25°C 30°C 35°C 40°C 45°C Wet bulb Dry bulb 21°C 202,7 129,8 52,9 194,5 124,7 58,7 185,0 119,8 65,1 174,2 114,9 72,1 162,0 109,7 79,6 24°C 204,4 157,4 53,0 196,2 152,8 58,8 186,6 148,0 65,2 175,7 142,8 72,2 163,5 137,0 79,7 16°C...
  • Page 43 5- STANDARD UNITS PERFORMANCES 5.2- PERFORMANCES AT PART LOAD OPERATION PERFORMANCES AT PART LOAD OPERATION Eurovent conditions Part load data according to ANSI/ARI Standard 340/360 conditions Cooling mode : Outdoor temperature = 29,7 °C DB / Indoor temperature : 26,7 °C DB / 19,4 °C WB Heating mode : Outdoor temperature = 7 °C DB / Indoor temperature = 6 °C WB / 20 °C DB Nominal airfl...

  • Page 44: Fan Performances

    6.- FAN PERFORMANCES 6.1- INDOOR SUPPLY FAN PERFORMANCES Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating Low Pressure High Pressure • 42 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 45 6- FAN PERFORMANCES Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating Low Pressure High Pressure Application Guide /FLEXAIR-AGU-1505-E • 43 •...
  • Page 46 6.- FAN PERFORMANCES 6.2- EXHAUST FAN PERFORMANCES Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating Low Pressure High Pressure • 44 • Application Guide / FLEXAIR-AGU-1505-E...

  • Page 47: Heat Recovery Solutions Performances

    7- HEAT RECOVERY SOLUTIONS PERFORMANCES 7.1- ROTARY WHEEL HEAT RECOVERY SYSTEM ENERGY RECOVERY MODULE Heating and cooling mode Conditions : 27°C / 47% HR 35°C / 50 % HR Size COOLING MODE Nominal airfl ow rate 15000 18500 20500 26000 30000 35000 39000...
  • Page 48 7- HEAT RECOVERY SOLUTIONS PERFORMANCES ENERGY RECOVERY MODULE Heating and cooling modes Conditions : 20°C / 70% HR / 7°C Size HEATING MODE Nominal airfl ow rate 15000 18500 20500 26000 30000 35000 39000 Heat recovery cooling capacity 32,9 39,6 43,3 55,9 63,3...

  • Page 49: Heating Auxiliaries Performances

    8- HEATING AUXILIARIES PERFORMANCES 8.1- HOT WATER COIL PERFORMANCES Cooling only Heat pump Return air at 0°C  water temperature 90-70 80-60 70-50 12000 15000 23000 14000 18500 23000 15000 20500 23000 18000 26000 35000 21000 30000 35000 24000 35000 43000 27000 39000...
  • Page 50 8- HEATING AUXILIARIES PERFORMANCES Cooling only Heat pump Return air at 10°C  water temperature 90-70 80-60 70-50 12000 15000 23000 14000 18500 23000 15000 20500 23000 18000 26000 35000 21000 30000 35000 24000 35000 43000 27000 39000 43000 (1) S Standard heat High heat Pressure drop = Internal coil + 3-way valve...
  • Page 51 8- HEATING AUXILIARIES PERFORMANCES Cooling only Heat pump Return air at 20°C  water temperature 90-70 80-60 70-50 12000 15000 23000 14000 18500 23000 15000 20500 23000 18000 26000 35000 21000 30000 35000 24000 35000 43000 27000 39000 43000 (1) S Standard heat High heat Pressure drop = Internal coil + 3-way valve...
  • Page 52 8- HEATING AUXILIARIES PERFORMANCES 8.2- ELECTRICAL HEATERS Available Temp. Rise Type of AIRFLOW Capacity Stages SIZE TYPE Modulation ºC Stage 1: 2 stages Stage 2: 50%--> 0-100% 15000 100%--> 10,3 50%--> 0-100% 100%--> 13,8 Stage 1: 2 stages Stage 2: 50%-->...
  • Page 53 8- HEATING AUXILIARIES PERFORMANCES 8.3- GAS BURNER PERFORMANCES Electrical Gas power Gas power absorbed input input Airfl ow rate Number of Modulation power TYPE stages Option 55.2 0.16 15000 110.4 0.25 40%-->100% 55.2 0.16 18500 110.4 0.25 40%-->100% 55.2 0.16 20500 110.4 0.25...

  • Page 54: Acoustic Data

    9- ACOUSTIC DATA IN SPECTRUM OUTDOOR NOISE LEVEL - STANDARD Spectrum per octave band Sound pressure FAC/FAH Airfl ow rate Sound power 1000 2000 4000 8000 at 10 meters FAG/FAM dB(A) (1) (Pa) dB(A) (2) 15000 57,0 58,1 64,4 70,9 74,7 74,6 73,7...
  • Page 55 9- ACOUSTIC DATA IN SPECTRUM INDOOR NOISE LEVEL - STANDARD & LOW NOISE Spectrum per octave band Sound power Sound power Airfl ow rate FAC/FAH 1000 2000 4000 8000 return supply (m3/h) (Pa) dB(A) dB(A) 15000 41,3 55,2 69,0 77,8 81,0 80,8 80,5...
  • Page 56 10- ELECTRICAL DATA 10.1- ELECTRICAL TABLES With (not cumulative): Transformer 0,21 0,53 0,53 0,21 0,53 0,53 0,21 0,53 0,53 Compressor 31,1 50,6 183,3 34,8 58,6 226,3 46,6 75,6 252,8 Condensing fan 16,9 16,9 10,3 23,7 Condensing fan (EC fan) Indoor supply kit 11,0 16,8 16,8...

  • Page 57: Electrical Data

    10. ELECTRICAL DATA 10.2- CONTROL TERMINAL CONNECTION MULTI UNITS MAINTENANCE DISPLAY LOCAL DISPLAY 4770703R 24V.F 24Vac 24V.E 3 2 1 3 2 1 0 1 2 3 4 5 6 Master/Slave connection pLan BMS card Customer connections CUSTOMER CONNECTIONS Application Guide /FLEXAIR-AGU-1505-E •...
  • Page 58 11- DIMENSIONS 11 1 FAC/FAH/FAG/FAM A G M 85/100/120 • 56 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 59 11- DIMENSIONS FAC/FAH/FAG/FAM A G M 085/100/120 Application Guide /FLEXAIR-AGU-1505-E • 57 •...
  • Page 60 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 85/100/120 • 58 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 61 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 085/100/120 Application Guide /FLEXAIR-AGU-1505-E • 59 •...
  • Page 62 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 150/170 • 60 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 63 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 150/170 Application Guide /FLEXAIR-AGU-1505-E • 61 •...
  • Page 64 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 150/170 • 62 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 65 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 150/170 Application Guide /FLEXAIR-AGU-1505-E • 63 •...
  • Page 66 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 200/230 • 64 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 67 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 200/230 Application Guide /FLEXAIR-AGU-1505-E • 65 •...
  • Page 68 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 200/230 • 66 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 69 11- DIMENSIONS FAC/FAH/FAG/FAM GENERAL ARRANGEMENTS DRAWINGS 200/230 Application Guide /FLEXAIR-AGU-1505-E • 67 •...
  • Page 70 11- DIMENSIONS 11.2- AIRFLOW CONFIGURATION FAC/FAH/FAG/FAM 85/100/120 Fresh air Supply (Option) Extraction (option) Fresh air Supply (Option) Return Supply Return (option) (Standard) (Standard) Supply Return (Standard) (Standard) FAC/FAH/FAG/FAM 150/170 Fresh air Supply (Option) Extraction Fresh air (option) Supply (Option) Return (option) Supply Return...
  • Page 71 11- DIMENSIONS 11.3- ROOFCOURB DIMENSIONS FAC/FAH/FAG/FAM NON ADJUSTABLE ROOFCURB 2059 ± 15 50 ± 5 1956 ± 15 50 ± 5 50 ± 5 50 ± 5 DIMENSIONS 85-100-120 2771 2005 2669 1443 150-170 3466 2493 3365 1540 200-230 4066 1106 2493 3965...
  • Page 72 11- DIMENSIONS FAC/FAH/FAG/FAM ADJUSTABLE ROOFCURB 2064 ± 15 100 ± 5 1958 ± 15 100 ± 5 100 ± 5 100 ± 5 95 ± 5 422 ± 15 DIMENSIONS 85-100-120 2771 2006 2672 1443 1747 10 % 150-170 3467 2494 3368 1540...
  • Page 73 11- DIMENSIONS FAC/FAH/FAG/FAM MULTIDIRECTIONAL ROOFCURB 2154 980±15 780±15 88 ± 5 88 ± 5 2056 ± 15 200 ± 5 200 ± 5 DIMENSIONS 85-100-120 1335 1550 150-170 1540 1799 1241 1140 200-230 1850 2093 1572 1340 1100 85-100-120 2744 2005 1335 150-170...
  • Page 74 11- DIMENSIONS FAC/FAH/FAG/FAM HORIZONTAL EXHAUST ROOFCURB 2056 ACCESS TO FAN COMPARTMENT SUPPLY AIR MAIN POWER ENTRY RETURN AIR MAIN POWER ENTRY RETURN AIR DIMENSIONS 85-100-120 3041 3016 2005 1525 2805 1525 150-170 4107 4093 2493 2013 3293 2013 200-230 4107 4093 2493 2013...
  • Page 75 11- DIMENSIONS FAC/FAH/FAG/FAM VERTICAL EXHAUST ROOFCURB MAIN POWER ENTRY ACCESS TO FAN 2159 COMPARTMENT 2056 2056 MAIN POWER ENTRY DIMENSIONS 85-100-120 2312 1525 2805 3016 2005 2805 3127 150-170 2800 2013 3293 4093 2493 3293 4193 200-230 2800 2012 3293 4093 2493 3293...
  • Page 76 11- DIMENSIONS - HEA T RECOVERY OPTION IMEN ION FAC/FAH/FAG/FAM ENERGY RECOVERY OPTION DIMENSIONS 85-100-120 2146 2063 1796 1422 150-170 2330 2247 2170 1676 200-230 2516 2497 2418 1518 • 74 • Application Guide / FLEXAIR-AGU-1505-E...
  • Page 77 12- OPTIONS WEIGHT AND PRESSURE DROPS 12.1- OPTIONS WEIGHTS SIZE 1055 1054 1454 1550 2027 2143 1070 1069 1484 1580 2057 2173 1013 1117 1108 1576 1681 2257 2371 FAG (S) Basic unit 1083 1187 1178 1599 1704 2297 2411 FAG (H) 1028 1132...
  • Page 78 12- ACCESSORIES PRESSURE DROPS Cooling only Heat pump Cooling only with gas fi red heating Heat pump rooftop with gas fi red heating Airfl ow rate Filters Hot water coil Size 12000 15000 23000 14000 18500 23000 15000 20500 23000 18000 26000 35000...
  • Page 80 LENNOX DISTRIBUTION PORTUGAL  +33 4 72 23 20 20  +351 229 066 050 Due to Lennox’s ongoing commitment to quality, the specifi cations, ratings and dimensions are subject to change without notice and without incurring liability. Improper installation,...

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