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Lennox FLEXY FX 025, Application Manual, Page: 4 / 54

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Lennox FLEXY FX 025 Application Manual Download Page 4

• 2 •

F

FLEXY

B

BALTIC

F   X   M   1 0 0   H   3   M

C

H

G

D

X

H

S

N

K

R407C

M

R410A

400V/III/50Hz

Application Guide • FLEXY FX-AGU-1112-E

MODEL NUMBER DESCRIPTION

Cooling capacity in kW

Revision number

Cooling

Heat pump

Gas 

fi

 red

Dual fuel
(heat pump + gas 

fi

 red)

Heat recovery

High heat

Standard heat

No heat

Summary of Contents for FLEXY FX 025

Page 1: ...lennoxemeia com FLEXY FX FX APPLICATION GUIDE Rooftop packaged unit with heat recovery 25 162 kW FLEXY FX AGU 1112 E...

Page 2: ......

Page 3: ...ovided 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 L...

Page 4: ...X H S N K R407C M R410A 400V III 50Hz Application Guide FLEXY FX AGU 1112 E MODEL NUMBER DESCRIPTION Cooling capacity in kW Revision number Cooling Heat pump Gas fired Dual fuel heat pump gas fired H...

Page 5: ...ew project The L3C program compares different Lennox units in order to make the best decision It assists the choice of optimum economical options in the units based on life cycle costs Our sales engin...

Page 6: ...sure differences FX has been designed to maintain a constant supply air temperature which is achieved using a multiplenumberofcircuit compressor specialsensorandcontrol algorythm on our CLIMATIC 50 Av...

Page 7: ...ledontheunit whichmeansthatthey are ready for use on installation ensuring that the time spent on site is minimised reducing the installation effort which can result in cost savings Bottom entry throu...

Page 8: ...re selected to the highest standards re frigeration components are generously sized to ensure maximum performance and reliability Quality manufacturing procedures together with a culture of conti nuou...

Page 9: ...the dampers by calculating the real percentage of fresh air entering the building for the each different positions of the damper This recalibration is achieved using the return air sensor the outdoor...

Page 10: ...ard heat 18 kW Modulating Triac High heat 36 kW Modulating Triac From model 70 to 170 Standard heat 36 kW Modulating Triac High heat 72 kW Modulating Triac Capacity can be limited electronically to an...

Page 11: ...The DM 50 display has the exact same features of the DC50 but it can manage up to 12 rooftops on a single Bus On a multirooftop site it makes the installation less expensive because not only because...

Page 12: ...en the temperature in the return air stream is above an adjustable set point 70 C standard Disconnect Switch Main disconnect switch is lockable to increase safety around the rooftop unit Switching off...

Page 13: ...ATION 14 Sizes 110 140 170 are not compatible with configuratins nr 6 6 7 8 11 12 13 14 CONFIGURATION 4 CONFIGURATION 8 CONFIGURATION 12 CONFIGURATION 5 CONFIGURATION 9 CONFIGURATION 13 Return air Sup...

Page 14: ...fresh air 4 TXV Thermostatic expansion valve GENERAL DATA Nominal air flow rate m3 h Cooling mode Gross cooling capacity 1 kW Full load amps 2 A Gross EER 3 kW Heating mode Gross heating capacity 1 kW...

Page 15: ...3 h Cooling mode Gross cooling capacity 1 kW Full load amps 2 A Gross EER 3 kW Heating mode Gross heating capacity 1 kW Gross COP 3 kW Refrigeration circuit Number of circuits Compressor type and numb...

Page 16: ...ter 90 C Leaving water 70 C Entering air 20 C S standard heat H high heat Auxiliary heating Type of modulation Available heating capacity kW Amps A 100 fresh air 10 C heating capacity kW Heating hot w...

Page 17: ...085 S 10800 73 3 51 20 2 3 1 60 4 21 16 6 2 6 47 4 12 13 1 2 0 H 121 0 11 33 3 5 2 99 4 12 27 4 4 3 77 6 7 21 4 3 3 S 13500 83 4 64 18 4 3 6 68 7 25 15 1 2 9 53 9 15 11 9 2 3 H 139 7 13 30 8 6 0 114...

Page 18: ...085 S 10800 86 9 39 23 1 3 7 73 6 30 19 6 3 2 60 4 18 16 1 2 6 H 145 1 14 38 6 6 2 123 1 17 32 8 5 3 101 0 10 26 9 4 3 S 13500 98 8 47 21 0 4 2 83 8 36 17 8 3 6 68 6 21 14 6 2 9 H 167 6 17 35 7 7 2 14...

Page 19: ...00 101 9 50 26 2 4 4 88 4 38 22 7 3 8 74 8 24 19 2 3 2 H 170 5 18 43 8 7 3 147 9 23 38 0 6 3 125 3 15 32 2 5 4 S 13500 115 8 61 23 8 5 0 100 5 47 20 6 4 3 85 1 30 17 5 3 7 H 196 9 22 40 4 8 5 170 7 29...

Page 20: ...1 C 6 3 C 72 6 3 C 12 5 C 110 36 2 8 C 5 7 C 72 5 7 C 11 4 C 140 36 2 3 C 4 5 C 72 4 5 C 9 0 C 170 36 2 0 C 4 0 C 72 4 0 C 8 0 C Application Guide FLEXY FX AGU 1112 E PERFORMANCES ELECTRIC HEATER CAP...

Page 21: ...1 2 2 1201 K8 1 2 2 1230 K8 1 2 2 1259 K8 1 2 2 1287 FX 035 100 125 150 175 200 225 250 275 300 325 350 375 400 Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RP...

Page 22: ...843 FX 085 100 125 150 175 200 225 250 275 300 325 350 375 400 Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM 10800 K...

Page 23: ...7 K4 2 4 0 878 K4 2 4 0 898 24000 K5 2 3 0 667 K5 2 3 0 690 K5 2 3 0 713 K5 2 3 0 736 K3 2 3 0 758 K3 2 3 0 780 K6 2 4 0 802 K6 2 4 0 823 K4 2 4 0 843 K4 2 4 0 864 K4 2 4 0 884 K4 2 4 0 904 K7 2 5 5 9...

Page 24: ...00 225 250 275 300 325 350 375 400 Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM 7500 K1 1 1 1 595 K2 1 1 5 627 K2 1...

Page 25: ...85 100 125 150 175 200 225 250 275 300 325 350 375 400 Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM Kit P RPM 16875 K1 1 4 0...

Page 26: ...3 2 5 5 871 K3 2 5 5 889 K3 2 5 5 907 K3 2 5 5 925 K5 2 7 5 943 K4 2 7 5 960 31500 K1 2 4 0 753 K2 2 5 5 772 K2 2 5 5 791 K2 2 5 5 809 K2 2 5 5 828 K3 2 5 5 846 K3 2 5 5 864 K3 2 5 5 882 K3 2 5 5 900...

Page 27: ...70 78 82 84 85 77 69 89 58 070 58 70 81 82 85 85 76 69 90 59 085 63 74 84 87 89 88 81 74 94 63 100 65 76 84 89 90 89 84 76 95 64 110 61 72 81 85 87 88 79 72 92 61 140 65 76 87 89 91 90 83 76 96 65 170...

Page 28: ...9 13 9 13 18 26 18 26 18 26 36 53 H 18 26 18 26 36 53 36 53 36 53 72 106 K 1 0 1 1 1 1 1 2 3 2 4 2 3 K 2 0 1 1 1 1 1 1 2 2 3 2 3 K 3 0 1 1 1 1 1 1 2 2 3 1 2 K 4 0 1 1 1 1 1 1 1 1 2 1 2 K 5 0 0 0 0 0...

Page 29: ...27 Application Guide FLEXY FX AGU 1112 E GENERAL CUSTOMER CONNECTION DIAGRAM ELECTRICAL DATA WIRING DIAGRAMS TRI 400V Ground Alarm ON Firestat Cut if remote Control ON OFF RESET Custom CCustom...

Page 30: ...28 Application Guide FLEXY FX AGU 1112 E ELECTRICAL DATA WIRING DIAGRAMS CUSTOMER CONNECTION WITH TCB 1 Custom 2 Probe 3 Sensor 4 20 mA CUSTOM input if link up to 30 meters use an auxiliary relay...

Page 31: ...lication Guide FLEXY FX AGU 1112 E CUSTOMER CONNECTION WITH ADVANCED CONTROL PACK ELECTRICAL DATA WIRING DIAGRAMS 1 Custom 2 Probe 3 Sensor 4 20 mA CUSTOM input if link up to 30 meters use an auxiliar...

Page 32: ...FX AGU 1112 E COMMUNICATION LINK DS 50 Service display DC 50 Comfort display Cable c section mm 2 twisted pair AWG24 500m maxi Cable c section mm 2 twisted pair AWG24 500m maxi Cable c section mm 2 t...

Page 33: ...plication Guide FLEXY FX AGU 1112 E COMMUNICATION LINK ADALINK Cable c section mm 2 wire S12E Rancing from mini 0 2 to max 2 5 mm2 AWG20 22 1000m maxi Connect at 120 ohms 1 4 W end line resistor MODBU...

Page 34: ...32 Application Guide FLEXY FX AGU 1112 E COMMUNICATION LINK Master Slave Cable c section mm 3 twisted pair AWG24 500m maxi Cable c section mm 3 twisted pair AWG24 500m maxi...

Page 35: ...mpressors Activation Gas Alarm Heaters Alarm Hot Water Coil Freezing Smoke alarm Heating mode Activation A zone Activation B zone Activation C zone Activation Unoccupied zone Activation BMS zone Free...

Page 36: ...justments emitted by the BMS To avoid operation penalizing the correct operation of the Roof Top the BMS must regularly write in the word 01h a value different from 0 The automat CLIMATIC 50 decreases...

Page 37: ...egulation in Heating Off Heat Pump then Hot water coil or Electric or Gas On Hot water coil or Electric or Gas then Heat Pump F Air Reheat Activate reheating of the fresh air in the dead zone to maint...

Page 38: ...ICAL DATA CONTROL variables On Off Compressor Heat pump 3 On Off Compressor 4 On Off Compressor Heat pump 4 On Off Gas Burner 1 On Off Gas Burner 2 On Off Gas Burner High power 1 On Off Electrical hea...

Page 39: ...is value is different from zero This value is decreased every second Occupation Room SP Required maximum room temperature in C Cooling set point Occupation Room SP Required minimum room temperature in...

Page 40: ...Dry contact Temperature Free 4 BE50 J10 B4 Dry contact Humidity Free 1 BE50 J9 B1 Dry contact Humidity Free 2 BE50 J9 B2 Dry contact Humidity Free 3 BE50 J10 B3 Dry contact Humidity Free 4 BE50 J10 B...

Page 41: ...Compressor 4 On Off Compressor Heat pump 4 On Off Gas Burner 1 On Off Gas Burner 2 On Off Gas Burner High power 1 On Off Electrical heaters 1 On Off Electrical heaters 2 BMS Activation of the control...

Page 42: ...AGU 1112 E REFRIGERATION DRAWINGS R407C option STEK options Insulated pipes Uninsulated pipes Pipe diameters Discharge Suction Liquid line Air treatment unit Compressor MG1 low pressure safety switch...

Page 43: ...ication Guide FLEXY FX AGU 1112 E REFRIGERATION DRAWINGS R407C option STEK options Insulated pipes Uninsulated pipes Pipe diameters Discharge Suction Liquid line Air treatment unit Compressor MG1 low...

Page 44: ...X AGU 1112 E REFRIGERATION DRAWINGS R407C option STEK options Insulated pipes Uninsulated pipes Pipe diameters Discharge Suction Liquid line Air treatment unit Compressor MG1 low pressure safety switc...

Page 45: ...110 FX 140 FX 170 UT B51 UF DT BCD FD BEV1 MC1 BT12 MG1 BTP1 MS1 B41 VAM B42 Application Guide FLEXY FX AGU 1112 E REFRIGERATION DRAWINGS R407C option STEK options Insulated pipes Uninsulated pipes P...

Page 46: ...X170 Note Maximum operating pressure 8 bar Maximum temperature 110 C HYDROLIC PRINCIPLE SKETCHES HOT WATER COIL Pipe diameters DN 1 row 2 rows Air treatment unit Compressor MG1 low pressure safety swi...

Page 47: ...8 478 600 4 4 4 H A A B C G G D E H I I I I A 1 B 2 C 3 D 4 E 5 F 6 G 7 H 8 I FXM 025 030 Application Guide FLEXY FX AGU 1112 E DIMENSIONS Compressor Return air Supply fan Supply air Exhaust fan Fresh...

Page 48: ...E G I 4 I F 4 I I 2 A H H A 1 B 2 C 3 D 4 E 5 F 6 G 7 H 8 I FXM 035 040 055 Application Guide FLEXY FX AGU 1112 E DIMENSIONS Compressor Return air Supply fan Supply air Exhaust fan Fresh air Evaporat...

Page 49: ...05 294 75 4 4 I I C C A A C 2 G D E H G 1 3 H 2 2 A B B B F F F 2 4 1 A 1 B 2 C 3 D 4 E 5 F 6 G 7 H 8 I FXM 070 085 Application Guide FLEXY FX AGU 1112 E Compressor Return air Supply fan Supply air Ex...

Page 50: ...I 2147 5 1000 1902 5 3 2 2 4 4 A 1 1 2 I C C A H H G G F F F B B B D E A 1 B 2 C 3 D 4 E 5 F 6 G 7 H 8 I FXM 100 Application Guide FLEXY FX AGU 1112 E Compressor Return air Supply fan Supply air Exhau...

Page 51: ...G G D E C C F 3 I 3 I 3 4 A A I 4 4 A 1 B 2 C 3 D 4 E 5 F 6 G 7 H 8 I FXM 110 140 170 Application Guide FLEXY FX AGU 1112 E Compressor Return air Supply fan Supply air Exhaust fan Fresh air Evaporato...

Page 52: ...S M L C P N E D G T T F K V B A L mm M mm N mm P mm R mm S mm T mm V mm 25 375 450 800 1665 600 240 505 600 30 375 450 800 1665 600 240 505 600 35 350 700 1000 2020 800 300 402 1450 40 350 700 1000 2...

Page 53: ...51 Application Guide FLEXY FX AGU 1112 E...

Page 54: ...BELGIUM AND LUXEMBOURG FRANCE GERMANY ITALY NETHERLANDS POLAND PORTUGAL Due to Lennox s ongoing commitment to quality the specifications ratings and dimensions are subject to change without notice and...

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