Lennox FLEXY FC 050 Series Installation - Operating & Maintenance Manuel
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Lennox FLEXY FC 050 Series Installation - Operating & Maintenance Manuel

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  • Page 2: Table Of Contents

    CONTENTS The present manual applies to the following ROOFTOP versions : FCA 50 - FCA 60 - FCA 70 - FCA 85 - FCA 100 - FCA 120 - FCA 140 - FCA 160 - FCA 190 FCK 50 - FCK 60 - FCK 70 - FCK 85 - FCK 100 - FCK 120 - FCK 140 - FCK 160 - FCK 190 FHA 50 - FHA 60 - FHA 70 - FHA 85 - FHA 100 - FHA 120 - FHA 140 - FHA 160 - FHA 190 FHK 50 - FHK 60 - FHK 70 - FHK 85 - FHK 100 - FHK 120 - FHK 140 - FHK 160 - FHK 190 FDA 50 - FDA 60 - FDA 70 - FDA 85 - FDA 100 - FDA 120 - FDA 140 - FDA 160 - FDA 190...
  • Page 3 Page 2 - IOM / ROOF-TOP FLEXY™ Series...

  • Page 4: Transport - Handling

    48 hours of delivery (working days). A is attached to an eyebolt in a safe and accesible place. copy of the letter must be addressed to Lennox and This allows you to open the panels for maintenance the supplier or distributor for information purposes.
  • Page 5 TRANSPORT - HANDLING ANSPORT - HANDLING ANSPORT - HANDLING ANSPORT - HANDLING ANSPORT - HANDLING DIMENSIONS AND WEIGHTS Model Length Rain Cover Width Height Weight Sling Length FC*/FH* 050 downflow 2150 1780 1090 2000 FC*/FH* 050 upflow 2150 1780 1120 2000 FC*/FH* 050 horizontal flow 2150...
  • Page 6 TRANSPORT - HANDLING ANSPORT - HANDLING ANSPORT - HANDLING ANSPORT - HANDLING ANSPORT - HANDLING Model Length Side Ventil. Width Height Weight Sling louver louver Length FX* 25 4070 1633 1055 3000 FX* 30 4070 1633 1055 3000 FX* 35 4750 2254 1290...

  • Page 7: Installation

    INST T T T T ALLA ALLA ALLA ALLA ALLATION TION TION TION TION PRELIMINARY CHECK INSTALLATION DEVICE Before installing the equipment, the following items The surface on which the equipment is to be installed MUST be checked: must be clean and free of any obstacles which could hinder the flow of air to the condensers: - Is there sufficient space for the equipment? - Avoid uneven surfaces...

  • Page 8: Installation On Roof Mounting Frame

    INST T T T T ALLA ALLA ALLA ALLA ALLATION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FRAME As levels are adjustable, observe the following recommendations for correct installation of the equipment.
  • Page 9 INST T T T T ALLA ALLA ALLA ALLA ALLATION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FR TION ON A ROOFMOUNTING FRAME When the frame is correctly positioned, it is essential to secure the assembly with a disconnected welding seam (20 to 30 mm for every 200 mm) along the outside, or by using an alternative method (1 - Figure 8).

  • Page 10: Installation On Corner Support Posts

    INST T T T T ALLA ALLA ALLA ALLA ALLATION ON POS TION ON POS TION ON POS TION ON POS TION ON POSTS The unit can be fitted on corner posts using the frame provided. The minimum height of the posts should be 400mm.

  • Page 11: Commissioning

    COMMISSIONING COMMISSIONING COMMISSIONING COMMISSIONING COMMISSIONING This work must only be carried out by trained refrigeration engineers Before connecting to the power: Safety Test - Ensure that the power supply between the - "Clogged filter" detection test: vary the threshold building and the unit meets local authority stan- value (C89 for the KP02) in respect to the air dards and that the cable specification satisfies the pressure value (V16 for KP02).

  • Page 12: Air Flow Balancing

    AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING The actual resistance of ductwork systems is not always The flow can now be increased by turning the flange(s) the same as the calculated theoretical values. To rectify to move them closer (or alternatively, move them apart this, it may be necessary to modify the pulley and belt to reduce the flow).
  • Page 13 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING UNIT/FAN KIT REFERENCE TABLE Size Fan type FCx or FHx FGx or FDx FCx or FHx Centrifugal condensor 1 (*) FGx or FDx FCx or FHx Centrifugal condensor 1 (*) FGx or FDx...
  • Page 14 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING EXAMPLE : You may want to adjust a FHK 120 set to 22 000 m /h with a system resistance of 150Pa: The machine has 2 fans (chart D). For this operating point, the unit supplied is fitted with E kits comprising 112 mm - 131 mm variable pulleys on the motors and 250 mm pulleys on the fans.
  • Page 15 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART A Page 14 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 16 REGLAGE DU DEBIT D' REGLAGE DU DEBIT D' REGLAGE DU DEBIT D'AIR REGLAGE DU DEBIT D' REGLAGE DU DEBIT D' CHART B IOM / ROOF-TOP FLEXY™ Series - Page 15...
  • Page 17 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART C Page 16 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 18 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART D IOM / ROOF-TOP FLEXY™ Series - Page 17...
  • Page 19 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART E Page 18 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 20 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART F IOM / ROOF-TOP FLEXY™ Series - Page 19...

  • Page 21: Airflow Balancing - Fxa/Fxk

    AIRFLOW BALANCING - FXA/FXK AIRFLOW BALANCING - FXA/FXK AIRFLOW BALANCING - FXA/FXK AIRFLOW BALANCING - FXA/FXK AIRFLOW BALANCING - FXA/FXK The FX* models are designed to operate with more D. If the flow and the pressure are correct: complex supply and extract ductwork systems. Without On grills "b"...

  • Page 22: Filters

    filters ters ters ters ters The CLIMATIC system monitors pressure drop across the filter: The following faults may be identified. 1. Fault code 004 ("filter" diode lit) or the following icon (if you have a graphic screen) : 2. Fault code 005 or the following icon (if you have a graphic screen) : Figure 17...

  • Page 23: Hot Water Batteries

    HOT W T WA A A A A TER BA TER BA TER BA TER BATTERIES TER BA TTERIES TTERIES TTERIES TTERIES HYDRAULIC CONNECTIONS drain cocks have been installed on all low points of the system. The heating coil is connected to the isolating valves. To drain, open all the valves and remember to place Two keys must be used to tighten the connections, the unit in air.

  • Page 24: Gas Burners

    GAS BURNER GAS BURNER GAS BURNER GAS BURNER GAS BURNER PRELIMINARY CHECKS ON IGNITION DETAILS COMMISSIONING Make sure that the gas line valves are open. NOTE: Any work on the gas system must only be With the ROOF TOP working (06 to ON), adjust settings carried out by qualified personnel.
  • Page 25 GAS BURNER GAS BURNER GAS BURNER GAS BURNER GAS BURNER PRESSURE REDUCING VALVE SETTING - Remove the screw from the pressure input. - Install the pressure gauge on it. - Remove the safety plug. - Use a screwdriver to set the output pressure. Turn (clockwise) to increase the pressure and (anticlockwise) to reduce it.
  • Page 26 GAS BURNER GAS BURNER GAS BURNER GAS BURNER GAS BURNER IGNITION ELECTRODE The following two checks can be made : - Ensure that the electrode tip (1 – Figure 25) is always sharp and oxide-free. Use some sand paper to clean it, if necessary.
  • Page 27 BRULEUR GAZ BRULEUR GAZ BRULEUR GAZ BRULEUR GAZ BRULEUR GAZ BURNER DISASSEMBLY FOR SERVICE the hole on the turbine end. Once inside the tube, push until the turbine contact the tube. Pull back the rod and AND MAINTENANCE PURPOSES withdraw 2 cm first before giving it ¼ turn. If the rod unhooks during the procedure, pull out the turbine with Please refer to the enlarged diagrams at the end of the the hook and repeat all the aforementioned steps.
  • Page 28 GAS BURNERS GAS BURNERS GAS BURNERS GAS BURNERS GAS BURNERS 60 KW BURNER FOR FGX 60 AND 70 MODELS Figure 30 IOM / ROOF-TOP FLEXY™ Series - Page 27...
  • Page 29 GAS BURNER GAS BURNER GAS BURNER GAS BURNER GAS BURNER 120 KW BURNER FOR FGX 60, 70 AND 100 MODELS Figure 31 Page 28 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 30 GAS BURNER GAS BURNER GAS BURNER GAS BURNER GAS BURNER 180 KW BURNER FOR FGX 120 AND 140 MODELS Figure 32 IOM / ROOF-TOP FLEXY™ Series - Page 29...

  • Page 31: Belt Tensioning

    BELT TENSION T TENSION T TENSION T TENSION T TENSION On delivery, the drive belts are new and correctly tensioned. After the first 50 operating hours check and adjust the tension. 80% of the total elongation of belts is generally produced during the first 15 hours of operation.

  • Page 32: Pulleys

    PULLEYS PULLEYS PULLEYS PULLEYS PULLEYS FAN PULLEY REMOVAL Remove the 2 screws and put one of them in the extraction threaded screw. Screw in fully. The hub and the pulley will separate from each other. Remove the hub and the pulley by hand without damaging the machine. Figure 35 FAN PULLEY INSTALLATION Clean and de-grease the shaft, hub and conical bore of the pulley.

  • Page 33: Control Functions Using The Kp 17 Comfort Display

    USING THE KP 17 COMFORT CONTROL DISPLA USING THE KP 17 COMFORT CONTROL DISPLA The Climatic 'Comfort' Display allows an untrained person to easily operate a Lennox Roof-Top. Using the control keys, LEDs and display will enable the user to access necessary information to operate the unit effectively.

  • Page 34: Using The Kp02 Maintenance Display

    USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA This display unit allows you to read and modify all the not necessary to switch off the power whilst the KP02/ values of the variables or setpoints of the rooftop to KP17 is being charged.
  • Page 35 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA Variable or setpoint value Digital Values 1 <-->...
  • Page 36 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA your password. 2 - OPERATING MODES If the password code is correct, the following message will appear when key [V] is released: The maintenance display allows for 4 modes of...
  • Page 37 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA For different types of data, the setting ranges are as follows : Item Minimum value...
  • Page 38 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA LIST OF SETPOINTS 1st Level Mini. Usine Maxi.
  • Page 39 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA Room Relative humidity (%), Low setpoint Room Relative humidity (%), High setpoint Room Absolute humidity (g/Kg), Low setpoint 30.0...
  • Page 40 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA Battery Temperature, setpoint, Authorised defrosting -10.0 -3.0 Coefficient, Icing time Number, Condensor restart...
  • Page 41 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA Hard contact, Error, DAD board, Detected smoke Auxiliary contact, Compressor, no.
  • Page 42 USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLAY Y Y Y Y USING THE KP02 MAINTENANCE CONTROL DISPLA USING THE KP02 MAINTENANCE CONTROL DISPLA Proportional action, Humidifier Option, Programme, Special Option, Processing fan, Low speed Option, Air flow &...

  • Page 43: Using The Kp07 Remote Graphical Display

    USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA This display unit allows you to operate 1 to 8 machines. The icon and schematic display provides a vivid and user-friendly interface.It uses a liquid crystal monochrome display, with background lighting,...
  • Page 44 Through "MODIFICATION" mode, the user is able to : - choose the number of the controller he wishes to MODIFICATION : see the variables of (if several Lennox Rooftops Pressing on this key activates the "modification" mode are attached to the same KP07 display unit), (see below).
  • Page 45 USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA GENERAL SCREEN LAYOUT Summary Measurements : Chart :...
  • Page 46 USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA Password: Level 1 Settings: On/Off Settings:...
  • Page 47 USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA Settings: Settings: Condition ;...
  • Page 48 USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA INDEX OF ICONS Keys Select variable to change Select digit to change.
  • Page 49 USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA Sensors Temperature sensor Humidity sensor Pressure sensor Return or room data...
  • Page 50 USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA Compressor defrosting. Compressor stopped in anti-short cycle.
  • Page 51 USING THE KP07 GR USING THE KP07 GR USING THE KP07 GRAPHIC CONTROL DISPLA USING THE KP07 GR USING THE KP07 GR APHIC CONTROL DISPLA APHIC CONTROL DISPLA APHIC CONTROL DISPLAY Y Y Y Y APHIC CONTROL DISPLA (Start / End) [091] Faulty processing fan.

  • Page 52: Bms Contacts Kit

    BMS CONT BMS CONT BMS CONTACTS KIT BMS CONT BMS CONT ACTS KIT ACTS KIT ACTS KIT ACTS KIT This option is used for making a connection to the BMS only, by a set of hard contacts. It requires the addition of a KP05 card, if this is not already in place, and a KP12 card.

  • Page 53: Climatic™ Parameters

    P P P P P AR ARAMETR AMETR AMETR AMETRAGE CLIMA AMETR AGE CLIMA AGE CLIMA AGE CLIMA AGE CLIMATIC™ TIC™ TIC™ TIC™ TIC™ ON - OFF The five available time slots are : The unit is declared On if set point 6 (C06) is ON. WEEK-END The unit can be stopped by a remote control command by hard contact.
  • Page 54 CLIMA CLIMA CLIMATIC™ P CLIMA CLIMA TIC™ P TIC™ P TIC™ PAR TIC™ P ARAMETERS AMETERS AMETERS AMETERS AMETERS DESCRIPTION OF PARAMETERS Parameters are defined for the time slot. Select by instruction 08 setting. 0 = DAY / 1 = WEEKEND / 2 = NIGHT / 3 = unused / 4 = MORNING / 5 =MIDDAY / 6 = EVENING / 7 = BMS. Instruction Description Day of the week of start of setting .
  • Page 55 CLIMA CLIMA CLIMATIC™ P CLIMA CLIMA TIC™ P TIC™ P TIC™ PAR TIC™ P ARAMETERS AMETERS AMETERS AMETERS AMETERS ORDER OF COMPONENTS IN REGULA- ADVANCE ACTIVATION OF THE TION MORNING SLOT Cooling operation Depending on the thermal inertia of the building or the installation and external climatic conditions, it is possible Set point 55 = to advance the switch from the NIGHT slot to the...
  • Page 56 Inversion by set point 56 Inversion by Inversion by set point 57 set point 55 100% Inertia zone Gas 2 + Gas 1 3 way valve or water coil Gas 2 + 1/2 Gas 1 Damper 3-way valve Gas 1 Mini 1/2 Gas 1 Fresh air...
  • Page 57 CLIMA CLIMA CLIMATIC™ P CLIMA CLIMA TIC™ P TIC™ P TIC™ PAR TIC™ P ARAMETERS AMETERS AMETERS AMETERS AMETERS REGULATION OF SUPPLY AIR The progression of the power factor is limited by the maximum percentage of fresh air (set point 75) if the Supplying air regulation should be activated by setting outside temperature is less than the minimum outside set point 58 to ON.
  • Page 58 CLIMA CLIMA CLIMATIC™ P CLIMA CLIMA TIC™ P TIC™ P TIC™ PAR TIC™ P ARAMETERS AMETERS AMETERS AMETERS AMETERS REGULATION IN DEHUMIDIFYING 3rd stage 2nd stage 1st stage Hysteresis Activation differential Cooling (set point 53) (set point 54) Hysteresis Activation differential (set point 53) (set point 54) Hysteresis...
  • Page 59 Page 58 - IOM / ROOF-TOP FLEXY™ Series...

  • Page 60: Wiring Diagrams Electrical Wiring Diagrams

    ELECTRICITY ELECTRICITY ELECTRICITY ELECTRICITY ELECTRICITY you are using, the distance separating the equipment The power cable should be connected to the main from the source but also various factors relating to isolating switch and is fed from the underside of the the cable fitting.
  • Page 61 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR Page 60 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 62 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR IOM / ROOF-TOP FLEXY™ Series - Page 61...
  • Page 63 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR Page 62 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 64 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR Variante gaz IOM / ROOF-TOP FLEXY™ Series - Page 63...
  • Page 65 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR Page 64 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 66 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR IOM / ROOF-TOP FLEXY™ Series - Page 65...
  • Page 67 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR Page 66 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 68 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR IOM / ROOF-TOP FLEXY™ Series - Page 67...
  • Page 69 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR Page 68 - IOM / ROOF-TOP FLEXY™ Series...

  • Page 70: Electrical Wiring Diagrams List Of Items

    ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS lis ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR AMS lis AMS lis AMS lis AMS list of itemS t of itemS t of itemS t of itemS t of itemS B1 ... KM5/6 ..

  • Page 71: Troubleshooting Fault Codes

    SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES No error Failure air flow Dirty filters Missing filters Faulty electrical heater batteries Supply air overtemperature Temperature too low Faulty gas burner no. 1 Faulty gas burner no.
  • Page 72 SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES The following text includes references such as [C11] and [V25]. They relate to the threshold or variable numbers used with the KP02 unit. Wrong Air Flow If the pressure differential obtained by the analog sensor [V16] is less than the setpoint value [C88] for more than 20 seconds, and if the blower fan has operated...
  • Page 73 SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES 15 minutes and for 15 minutes after the fan has started, the "supply air temperature too low" safety system is activated. The unit shuts down completely. This safety system cuts out if the supply air temperature is greater than 3°C above this setpoint.
  • Page 74 SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES Faulty Pump The internal protection of the water pump motor acts directly on the pump contactor. This information is transmitted to the CLIMATIC via an auxiliary contact of the contactor. If the CLIMATIC gives the pump the order to operate and if 5 seconds later the auxiliary contact remains open, the safety system is activated and stops the pump.
  • Page 75 SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES The safety system is immediately automatically locked out. In this case, manual resetting is obligatory. Faulty ventilation, condensor circuit 3 or 4.. The fan contactor is not connected although the CLIMATIC requests it.
  • Page 76 SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES SAFETY AND ERROR CODES Refrigeration system faults Faulty condensor temperature sensor Faulty pressure transmitter sensor, refrigeration system Faulty refrigeration system, frost temperature sensor High pressure switch safety or compressor electrical safety The compressor contactor is not connected although the CLIMATIC requests it.

  • Page 77: Before Calling For Assistance

    Before Calling for Assis Before Calling for Assis Before Calling for Assistence Before Calling for Assis Before Calling for Assis tence tence tence tence Fan stops following thermal relay cutout - The network voltage should not vary from + or - (indicated via an error code) 10 % of the supply required for the equipment, - The supply variation between the phases should...
  • Page 78 Before Calling for Assis Before Calling for Assis Before Calling for Assistence Before Calling for Assis Before Calling for Assis tence tence tence tence - Reset the safety thermostat and check the air The unit no longer works flow (first section) Cause: - No supply voltage.

  • Page 79: Planned Maintenance

    PLANNED MAINTENANCE PLANNED MAINTENANCE PLANNED MAINTENANCE PLANNED MAINTENANCE PLANNED MAINTENANCE CONDENSOR COIL (EXTERNAL) Regular maintenance of your Rooftop will extend its operating life and reduce operating faults. We The condensor coil is not protected by the filters. The recommend that the unit is serviced by a trained cleaning schedule is directly related to the environment refrigeration engineer.
  • Page 80 PLANNING DE MAINTENANCE PLANNING DE MAINTENANCE PLANNING DE MAINTENANCE PLANNING DE MAINTENANCE PLANNING DE MAINTENANCE ELECTRICAL TERMINALS REFRIGERATION CIRCUITS At least once a year: At least once a year, carry out an in-depth inspection of the refrigerant circuits. - Power down the machine, blow away any dust In addition, before each season (or every 3 months if from inside the unit, and check and tighten if used permanently) the controls listed in the...
  • Page 81 PLANNED MAINTENANCE PLANNED MAINTENANCE PLANNED MAINTENANCE PLANNED MAINTENANCE PLANNED MAINTENANCE GENERAL MAINTENANCE SCHEDULE At least once a year after winter the equipment casing NOTE : must be cleaned, inspected and if necessary treated 6 monthly maintenance is performed when changing for corrosion.

  • Page 82: Warranty

    Rooftop casing : Maintenance must be carried out in accordance with Lennox shall guarantee the casing of its Rooftop units regulations. manufactured since May 1991 against corrosion for 10 years commencing from the date of delivery of the If a spare part is supplied after the expiry of the warranty material.

  • Page 83: Ce Certification Of Conformity

    CE CERTIFICA CE CERTIFICA CE CERTIFICATION OF CONFORMITY CE CERTIFICA CE CERTIFICA TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY Page 82 - IOM / ROOF-TOP FLEXY™ Series...

  • Page 84: Filters Fire Class

    FILTER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS IOM / ROOF-TOP FLEXY™ Series - Page 83...
  • Page 85 FILTER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS Page 84 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 86 FILTER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS IOM / ROOF-TOP FLEXY™ Series - Page 85...

  • Page 87: Kw Gas Burner Ce Certification Of Conformity

    33 kW GAS BURNER CE CERTIFICA 33 kW GAS BURNER CE CERTIFICA 33 kW GAS BURNER CE CERTIFICATION OF CONFORMITY 33 kW GAS BURNER CE CERTIFICA 33 kW GAS BURNER CE CERTIFICA TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY Page 86 - IOM / ROOF-TOP FLEXY™...

  • Page 88: Kw Gas Burner Ce Certification Of Conformity

    60 kW GAS BURNER CE CERTIFICA 60 kW GAS BURNER CE CERTIFICA 60 kW GAS BURNER CE CERTIFICATION OF CONFORMITY 60 kW GAS BURNER CE CERTIFICA 60 kW GAS BURNER CE CERTIFICA TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY IOM / ROOF-TOP FLEXY™...

  • Page 89: 120 Kw Gas Burner Ce Certification Of Conformity

    120 kW GAS BURNER CE CERTIFICA 120 kW GAS BURNER CE CERTIFICA 120 kW GAS BURNER CE CERTIFICATION OF CONFORMITY 120 kW GAS BURNER CE CERTIFICA 120 kW GAS BURNER CE CERTIFICA TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY Page 88 - IOM / ROOF-TOP FLEXY™...

  • Page 90: Ce Dad Certification

    DAD CE CERTIFICA DAD CE CERTIFICA DAD CE CERTIFICATION DAD CE CERTIFICA DAD CE CERTIFICA TION TION TION TION IOM / ROOF-TOP FLEXY™ Series - Page 89...
  • Page 91 DAD CE CERTIFICA DAD CE CERTIFICA DAD CE CERTIFICATION DAD CE CERTIFICA DAD CE CERTIFICA TION TION TION TION Page 90 - IOM / ROOF-TOP FLEXY™ Series...

  • Page 92: Insulation Fire Class

    INSULA INSULA INSULATION FIRE CLASS INSULA INSULA TION FIRE CLASS TION FIRE CLASS TION FIRE CLASS TION FIRE CLASS IOM / ROOF-TOP FLEXY™ Series - Page 91...

This manual is also suitable for:

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