Lennox ROOFTOP FLEXY FCA Series Installation Operating & Maintenance Manual
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Lennox ROOFTOP FLEXY FCA Series Installation Operating & Maintenance Manual

Lennox ROOFTOP FLEXY FCA Series Installation Operating & Maintenance Manual

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INSTALLATION
OPERATING &
MAINTENANCE MANUAL
ROO.TOP
.LEXY™
English
Sept 2001

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Summary of Contents for Lennox ROOFTOP FLEXY FCA Series

  • Page 1 INSTALLATION OPERATING & MAINTENANCE MANUAL ROO.TOP .LEXY™ English Sept 2001...
  • Page 2 CONTENTS IOM MANUAL Ref. IOM-RT .-0901-E 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...

  • Page 3: Table Of Contents

    CONTENTS INSTALLATION TRANSPORT - HANDLING ....................3 INSTALLATION ....................... 10 INSTALLATION ON ROOF MOUNTING FRAME ............11 INSTALLATION ON POSTS ................... 13 COMMISSIONING ......................14 OPERATION AIR FLOW BALANCING ....................15 AIRFLOW BALANCING - FXA/FXK ................24 FILTERS ......................... 25 HOT WATER COILS .......................

  • Page 4: Transport - Handling

    (working days). A copy of the letter must be On delivery we recommend that you keep the key which is addressed to Lennox and the supplier or distributor for attached to an eyebolt in a safe and accesible place. This information purposes.
  • Page 5 TRANSPORT - HANDLING DIMENSIONS AND WEIGHTS Model Length Rain Width Height Weight Cover FC*/FH* 050 downflow 2150 1780 1090 FC*/FH* 050 upflow 2150 1780 1120 FC*/FH* 050 horizontal flow 2150 1780 1120 FGA/FDA/FGK/FDK 050 2200 1900 1090 FC*/FH* 060 downflow 2821 2254 1410...
  • Page 6 TRANSPORT - HANDLING Model Length Side Ventil. Width Height Weight louver louver FX* 25 4070 1633 1055 FX* 30 4070 1633 1055 FX* 35 4750 2254 1290 1400 FX* 40 4750 2254 1290 1450 FX* 55 4750 2254 1290 1600 FX* 70 5050 2254...
  • Page 7 TRANSPORT - HANDLING FC.../FH.../FD.../FG... 060 & 070 with centrifugal fans Sling length = 2590 mm Sling length = 1855 mm for angle = 45°C for angle = 45°C FC.../FH.../FD.../FG... 085 & 100 Sling length = 2830 mm for angle = 45°C Sling length = 2330 mm for angle = 64,5°C FC.../FH.../FD.../FG...
  • Page 8 TRANSPORT - HANDLING FC.../FH.../FD... 120 & 140 Sling length = 2080 mm Sling length = 2700 mm for angle = 45°C for angle = 45°C FC.../FH.../FD... 120 & 140 with centrifugal fans Sling length = 2410 mm for angle = 45°C Sling length = 3000 mm for angle = 45°C Sling length = 1880 mm...
  • Page 9 TRANSPORT - HANDLING FG... 120 & 140 with gas burner and centrifugal fans Sling length = 3300 mm Sling length = 2700 mm for angle = 45°C for angle = 45°C Sling length = 2080 mm for angle = 45°C FC.../FH.../FD...
  • Page 10 TRANSPORT - HANDLING FX 25 & 30 Sling length = 3000 mm FX 35 - 40 - 55 Sling length = 3700 mm FX 70 - 85 - 100 Sling length = 3900 mm FX 110 - 140 - 170 Sling length = 4300 mm IOM / ROOF-TOP FLEXY™...

  • Page 11: 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 MUST be The surface on which the equipment is to be installed must checked : be clean and free of any obstacles which could hinder the flow of air to the condensers: - Is there sufficient space for the equipment?

  • Page 12: Installation On Roof Mounting Frame

    INSTALLATION ON A ROOFMOUNTING FRAME levels are adjustable, observe the following recommendations for correct installation of the equipment. Above all, ensure that all the flaps are facing outward (1 - figure 5). They are sometimes stored inside for transport. Figure 5 Place the roof mounting frame on the trimmer beam by first lining up the inlet and then the outlet.
  • Page 13 INSTALLATION 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). Figure 8 Assembly joint (1 - figure 9) Insulate the frame before installation.

  • Page 14: Installation On Posts

    INSTALLATION ON POSTS The unit can be fitted on corner posts using the frame provided. The minimum height of the posts should be 400mm. Figure 10 IOM / ROOF-TOP FLEXY™ Series - Page 13...

  • Page 15: 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 building and - "Clogged filter" detection test : vary the setpoint value the unit meets local authority standards and that the (KP02 setpoint 93) in respect to the air pressure value cable specification satisfies the start-up and operating...

  • Page 16: 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 same as the calculated theoretical values. To rectify this, it may be necessary to modify the pulley and belt setting. To this effect, the motors are fitted with variable pulleys.
  • Page 17 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING UNIT/FAN KIT REFERENCE TABLE CHART (see following pages) Size Fan type FCx or FHx FGx or FDx FCx or FHx Centrifugal condensor 1 (*) FGx or FDx FCx or FHx Centrifugal condensor 1 (*)
  • Page 18 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 19 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART A 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 B IOM / ROOF-TOP FLEXY™ Series - Page 19...
  • Page 21 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART C Page 20 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 22 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART D IOM / ROOF-TOP FLEXY™ Series - Page 21...
  • Page 23 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART E Page 22 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 24 AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING AIR FLOW BALANCING CHART F IOM / ROOF-TOP FLEXY™ Series - Page 23...

  • Page 25: 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 complex A. Set the unit to the "recycle air" position (figure 15) supply and extract ductwork systems.

  • Page 26: Filters

    filters ters ters ters ters The CLIMATIC™ controls the filters. Two types of problems may occur : 1 - 004 error code (lit LED “filter”) or the following icon (for a graphics screen - KP07) : Item 8 on KP 17 indicates that the filters must be changed. The unit has not stopped but the airflow is likely to be reduced due to increased pressure drop acros the filters.

  • Page 27: Hot Water Coils

    HOT W T WA A A A A TER COILS TER COILS TER COILS TER COILS TER COILS HYDRAULIC CONNECTIONS ELECTROLYTIC CORROSION The heating coil is connected to the isolating valves. Two keys Attention is drawn to the corrosion problems resulting from must be used to tighten the connections, one of the keys electrolytic reaction created from unbalanced earth maintains the valve body.

  • Page 28: 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 carried With the ROOF TOP working (Setpoint 06 to ON), adjust out by qualified personnel.
  • Page 29 GAS BURNER GAS BURNER GAS BURNER GAS BURNER GAS BURNER PRESSURE REDUCING VALVE SETTING - Connect the tube of the manometer to the power pressure inlet of a solenoid valve (5-figure 24) after loosening the screw. - Remove the safety plug of the expansion valve setting. - Use a screwdriver to pre-set by placing the screw at a depth of 34 mm.
  • Page 30 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 31 GAS BURNERS GAS BURNERS GAS BURNERS GAS BURNERS GAS BURNERS BURNER DISASSEMBLY FOR SERVICE TROUBLESHOOTING AND MAINTENANCE PURPOSES The fan does not work. - Check the electrical supply as well as the CLIMATIC™ Please refer to the enlarged diagrams at the end of the section which should show a heat demand.
  • Page 32 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 31...
  • Page 33 GAS BURNER GAS BURNER GAS BURNER GAS BURNER GAS BURNER 120 KW BURNER FOR FGX 60, 70 AND 100 MODELS Figure 31 Page 32 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 34 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 33...

  • Page 35: 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 36: 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 37: Using The Kp 17 Comfort Display

    USING THE KP 17 COMFORT CONTROL DISPLAY The CLIMATIC™ 'Comfort' control Display allows an untrained person to easily operate a Lennox Roof-Top. This display connects to a single Rooftop and, through the use of the control keys, LED's and display the user can see...

  • Page 38: Using The Kp02 Maintenance Display

    USING THE KP02 MAINTENANCE CONTROL DISPLAY This display unit allows you to read and modify all the values The dialogue with the controller is initiated by the CLIMATIC™. of the variables or setpoints of the rooftop to which it is If, after 3 attempts, no communication is established, a connected.
  • Page 39 USING THE KP02 MAINTENANCE CONTROL DISPLAY Variable or setpoint value Digital Values 1 <--> ON 0 <--> OFF Temperatures Temperatures are displayed in °C, to an accuracy of 0.1 °C <--> -21.6 °C <--> + 105.8 °C Pressures Pressure is given in bars, to an accuracy of 0.1 bar. <-->...
  • Page 40 USING THE KP02 MAINTENANCE CONTROL DISPLAY If the password code is correct, the following message will 2 - OPERATING MODES appear when key [V] is released : The maintenance display allows for 4 modes of operation. Key [M] allows you to move successively and in a loop from one mode to the next.
  • Page 41 USING THE KP02 MAINTENANCE CONTROL DISPLAY For different types of data, the setting ranges are as follows : Item Minimum value Maximum value Hours and minutes 00-00H 23-59 H Day of the month Day of the week Month Year Changes are only incorporated when key [A] is pressed. NOTE : The compatibility of the value for the day of the month is not checked when it is entered.
  • Page 42 USING THE KP02 MAINTENANCE CONTROL DISPLAY LIST OF SETPOINTS 1st Level Min. Factory Maxi. Password to access level 2 setpoints and variables Temperature, required setpoint for room, day mode 21.0 35.0 (Used by KP17 only) KP17 Remote control, overide, occupied mode (Used by KP17 only) KP17 Remote control, overide, automatic mode (Used by KP17 only)
  • Page 43 USING THE KP02 MAINTENANCE CONTROL DISPLAY Min. Factory Maxi. (FLEXY™ only) Mode, Fan low speed, dead zone (FLEXY™ only) Mode, Fan low speed automation (on = unit runs at maximum 50% during "night mode") Mode, Low noise (J-BUS only) Remote control, overide, Mode (J-BUS only) Remote control, Overide, Low fan speed (J-BUS only)
  • Page 44 (on LINEA™ only)* - (R22 = -3, R407C = 1) -10.0 -3.0 Battery temperature, setpoint, authorised defrosting, condenser coil * : LINEA is another range of LENNOX ROOFTOP. For more information, please consult your regional office IOM / ROOF-TOP FLEXY™ Series - Page 43...
  • Page 45 EPROM values (centre column) Test stages (for factory test procedures only reduces all delay timers to 0) 65535 * : LINEA is another range of LENNOX ROOFTOP. For more information, please consult your regional office Page 44 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 46 USING THE KP02 MAINTENANCE CONTROL DISPLAY VARIABLE LIST (june 2001) 1st Level Error code Temperature, room Relative humidity (%),room Temperature, outside air Relative humidity (%), outside, air Temperature, supply Air Temperature, chilled water battery Temperature, compressor, no. 1 Temperature, compressor, no. 2 Temperature, compressor, no.
  • Page 47 USING THE KP02 MAINTENANCE CONTROL DISPLAY Output, low speed supply fan Output, Extract fan Output, compressor, no. 1 Output, compressor, no. 2 Output, compressor, no. 3 Output, compressor, no. 4 Output, compressor, no. 1, hot gas injection valve Output, compressor, no. 1, cycle reversing valve Output, compressor, no.

  • Page 48: Using The Kp07 Remote Graphical Display

    - Recording of successive status of pre-defined variables to create analog and event histories. A KP07 unit can be attached to more than 8 LENNOX Rooftops, providing they have the same software. The function of these keys may vary from one screen to The link between the controllers and the display is serial and another and is defined on the active screen by an icon.
  • Page 49 Through "MODIFICATION" mode, the user is able to : - choose the number of the controller he wishes to see Pressing on this key activates the "modification" mode the variables of (if several LENNOX Rooftops are (see below). attached to the same KP07 display unit), - control the setpoints.
  • Page 50 USING THE KP07 GRAPHIC CONTROL DISPLAY GENERAL SCREEN LAYOUT Summary Measurements : Chart : Temperatures Ambient temperature Measurements : Chart : Humidity Ambient humidity Operational status : History : Ventilation Safety & Errors Hourmeters : Ventilation, customer... Operational status : History : Frost Safety &...
  • Page 51 USING THE KP07 GRAPHIC CONTROL DISPLAY Password : Level 1 Settings : On/Off Settings : Settings : On ; Ventilation Condition ; Day Settings : Settings : Condition ; Weekend On ; Ventilation Settings : Time Settings : Settings : On ;...
  • Page 52 USING THE KP07 GRAPHIC CONTROL DISPLAY Settings : Settings : Condition ; BMS On ; Ventilation Settings : Control ; Cold Settings : Control ; Hot Settings : Control. ; Dehumidification Settings : Control ; Humidification Settings : Control ; Misc. Settings : Limits ;...
  • Page 53 USING THE KP07 GRAPHIC CONTROL DISPLAY INDEX OF ICONS Keys Select variable to change Select digit to change. Increase value Enter current change. Go to temperature and humidity values and charts. Go to the machine component status. Go to various notices. Go to room temperature chart.
  • Page 54 USING THE KP07 GRAPHIC CONTROL DISPLAY Sensors Temperature sensor Humidity sensor Pressure sensor Return or room data Supply data Outside data Operating conditions Operating condition: Day Operating condition: Weekend Operating condition: Night Operating condition: Morning Operating condition: Noon Operating condition: Evening Operating condition: BMS Operating status Cooling mode setting operation.
  • Page 55 USING THE KP07 GRAPHIC CONTROL DISPLAY Compressor defrosting. Compressor stopped in anti-short cycle. (On / Off) Condenser (On / Off) Gas grade. Half flow gas. (On / Off) Hot proportional valve, hot water valve. (On / Off) Electrical heaters. (On / Off) Humidifier (On / Off) Dehumidification (On / Off) Pump Errors...
  • Page 56 USING THE KP07 GRAPHIC CONTROL DISPLAY (Start / End) [091] Faulty processing fan. (Start / End) [001] Wrong air flow. (Start / End) [099] Error smoke. (Start / End) [004] Dirty filters. (Start / End) [005] Missing filters. (Start / End) [115][125][135][145] Faulty high pressure or faulty electrical compressor.

  • Page 57: Bms Contacts Kit

    BMS VOLT FREE CONTACTS 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. Input connection must be by screened cable only.

  • Page 58: Climatic™ Parameters

    CLIMATIC™ PARAMETERS ON - OFF The five available time slots are : The unit is declared On if setpoint 6 (C06) is ON. WEEK-END The unit can be stopped by a remote control command by hard contact. On KP12 extension card - see chapter on BMS contact kit. NIGHT For certain configurations a CLIMATIC™...
  • Page 59 CLIMATIC™ PARAMETERS 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 60 CLIMATIC™ PARAMETERS ORDER OF COMPONENTS IN REGULA- ADVANCE ACTIVATION OF THE MORNING TION SLOT Cooling operation Depending on the thermal inertia of the building or the installation and external climatic conditions, it is possible to Setpoint 58 = advance the switch from the NIGHT slot to the MORNING Damper è...
  • Page 61 Inversion by setpoint 59 Inversion by Inversion by setpoint 58 setpoint 60 Inertia 100% Œ zone 3-way valve or  water coil Damper 3-way valve Ž  Min. fresh Heating Air conditioning setpoint 16 setpoint 15 Differential in heating Hysteresis in heating Hysteresis in air cond.
  • Page 62 CLIMATIC™ PARAMETERS REGULATION OF SUPPLY AIR REGULATION IN HUMIDITY Supplying air regulation should be activated by setting setpoint Two power factors, one for dehumidifying (variable 105), the 61 to ON. other for humidifying (variable 104), are calculated according to the difference in relative hygrometry between the setpoint The main aim of supplying air regulation is to maintain the and the reference relative hygrometry.
  • Page 63 CLIMATIC™ PARAMETERS REGULATION IN DEHUMIDIFYING 3rd stage 2nd stage 1st stage Hysteresis Activation differential Dehumidification (setpoint 69) (setpoint 70) Hysteresis Activation differential (setpoint 69) (setpoint 70) Hysteresis (setpoint 69) ENTHALPY FUNCTION REGULATION IN HUMIDIFYING This function is used to control the use of the economiser register according to air enthalpy.

  • Page 64: Wiring Diagrams Electrical Wiring Diagrams

    ELECTRICITY ELECTRICITY ELECTRICITY ELECTRICITY ELECTRICITY The power cable should be connected to the main isolating In the following pages you will find references to electrical switch and is fed from the underside of the unit into the diagrams which will allow you to select the wiring for your electrical panel.
  • Page 65 -QE1 -QE2 -QF1 TRI : 400V 50Hz + T PA : ... kW -KM1 -KM2 -KE1 -KE2 -KM5 FOLIO IN : ... A 04/7 ID : ... A A1 A2 400V -MS1 -MS2 -ME1 300VA -B19 -B20 -B23 T> T> T>...
  • Page 66 -Q10 -Q25 -Q11 -Q12 -Q13 -Q14 -Q20 -KM9 -KM10 -KM11 -KM12 -KM13 -KM14 -KM20 -MG1 -MG2 -MG3 T< -MG4 -MC1 -MC2 -MC3 -MC4 -B71 -B72 -B73 -B74 T> T> T> T> -E51 -E52 -E53 -E54 FCA/FHA 085 100 (*) FCK/FHK 085 100 (*) FCA/FHA 120 190 (**)
  • Page 67 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS CLIMATIC™ CONTROLLER KP 18 KP 17 -E32 KP 02 -E31 KP17 1 2 3 4 -E30 10FC 10FH KP 05.1 0/20 mA -E28 KP 01 0/20 mA KP01 EXTENS...
  • Page 68 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR CLIMATIC™ CONTROLLER INPUTS COMFORT SETPOINT (GTC-4-20mA) IOM / ROOF-TOP FLEXY™ Series - Page 67...
  • Page 69 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS CLIMATIC™ CONTROLLER OUTPUTS 12V.E 12V.F FAILURE 12V.G 12V.H 12V.G 12V.H Page 68 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 70 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR -E11 LEED 6.3x23 100mAT 5x20 5x20 RESISTANCE 1/4W 500mAT 500mAT 3,9 K ou 4,7 K DIST. DETECTION REPORT 230V.J 230V.K -KA3 FOLIO -KA3 -KA3 FOLIO 3/18 RS 232 DB9 Female...
  • Page 71 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS KP07 Customer supply 230V-50Hz-0.5A KP07 230VAC QF70 0.5A TRANSFO. KP07/KP01 INTERFACE 12Vac RD TD CLIJ18 KP07 J22 KP07 J22 KP01 T.KP07 40VA Page 70 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 72 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR CL06.2 RELAY SPST VRF1 12V 50mA VRF1 VRF1 VRF1 0V OPTO 0V OPTO 0V OPTO F1 5x20 0V OPTO KP01 KP01 1A fuse SPEED CONFIGURATION THROUGH SW-SW2 Memory size : 8K (position 1.2) 32 K (position 2.3)
  • Page 73 +18V +18V 12V.H 12V.G 200mA Remote control stop Remote control night Remote control day Load limit 50% Disable heating Disable cooling Customer status Filter alarm Blower alarm Compressor alarm Gas heat alarm or electric heat alarm High temperature alarm Low temperature alarm Humidifier alarm Customer control...
  • Page 74 ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR G43x60 L = 700 mm G43x60 L = 1010 mm -X1 -X2 -X3 G43x60 L = 1200 mm KP17.1 FCA/FHA 050 FCK/FHK 050 G60x80 L = 100 mm G30x80 L = 1315 mm G60x80 L = 1040 mm KP17.1...

  • Page 75: Electrical Wiring Diagrams List Of Items

    ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGR ELECTRICAL WIRING DIAGRAMS lis AMS lis AMS lis AMS lis AMS list of itemS t of itemS t of itemS t of itemS t of itemS +A0 ..CLIMATIC™ controller -E7/8 ..
  • Page 76 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 -Q1/2 ..Blower fan motor -MS1/-MS2 protection -SB1 ..
  • Page 77 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. 2 Supply temperature too low Room overtemperature Faulty humidifier Room humidity too low Room overtemperature Faulty pump...

  • Page 78: Troubleshooting 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 [C92] for more than 20 seconds, and if the blower fan has operated for more than 1 minute 30 seconds, the air flow safety system is activated and stops the ventilation.
  • Page 79 SAFETY AND ERROR CODES register time set to 5 seconds. In addition, if the antifreeze thermostat is opened, the 3rd safety level is immediately automatically maintained. In this case, manual resetting of the thermostat followed by the CLIMATIC™ is obligatory Room Overtemperature Safety System Upper Room Air Limit If the room temperature is greater than or equal to the setpoint [C41], the safety system is...
  • Page 80 SAFETY AND ERROR CODES Sensor Status Room temperature sensor missing or faulty. Room relative humidity sensor missing or faulty Outside air temperature sensor faulty Outside relative humidity sensor faulty Supply Air temperature sensor faulty Temperature sensor on cold water loop faulty Temperature sensor on condenser water outlet faulty.
  • Page 81 SAFETY AND ERROR CODES Customer error A fault has been detected, external to the unit. Water leak If the contact of the water leak detection card is closed for more than 30 seconds, the safety system is activated. WATER HEAT EXCHANGER OUTLET TEMPERATURE SAFETY SYSTEM. Condenser Water Temperature Too Low If the temperature of the water loop is less than or equal to the preset setpoint [C89] during the operation of one of the compressors, the condenser safety mechanism is applied.
  • Page 82 SAFETY AND ERROR CODES Refrigeration system faults Faulty condenser 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. - The high pressure pressostat is open.

  • Page 83: Before Calling For Assistance

    Before Calling for Assistence Fan stops following thermal relay cutout - The network voltage should not vary from + or - 10 % of (indicated via an error code) the supply required for the equipment, - The supply variation between the phases should never Problem : exceed + or - 3 %.
  • Page 84 Before Calling for Assistence The unit no longer works Cause : - No supply voltage. - Ruptured remote control fuses. - Wrong connections. Solution : - Check the supply voltage. - Check the fuses. - Check and tighten the connections. The fan rotates but the compressor does not work Problem : - The air rerun conditions are not followed.

  • Page 85: Planned Maintenance

    PLANNED MAINTENANCE mixture of grease vapour and powder. For this reason we Regular maintenance of your Rooftop will extend its operating would recommend cleaning with PRESTOSOL, a de-greasing life and reduce operating faults. We recommend that the unit agent with very low toxicity, non-flammable and which does is serviced by a trained refrigeration engineer.
  • Page 86 PLANNED MAINTENANCE REFRIGERATION CIRCUITS At least once a year, carry out an in-depth inspection of the refrigerant circuits. In addition, before each season (or every 3 months if used permanently) the tasks listed in the maintenance contract must be performed, i.e. check the refrigerant charge, evaporation and condensing temperatures etc...
  • Page 87 PLANNED MAINTENANCE GENERAL MAINTENANCE SCHEDULE At least once a year after winter the equipment casing must NOTE : be cleaned, inspected and if necessary treated for corrosion. 6 monthly maintenance is performed when changing from the heating season to the air-conditioning season and vice-versa. The equipment casing is made of aluminium-zinc plate, with Annual maintenance is performed just before the start of the a polyester finish and oven-treated powder, and is ultra-violet...

  • Page 88: Warranty

    Lennox shall guarantee the casing of its Rooftop units modes. manufactured since May 1991 against corrosion for 10 years commencing from the date of delivery of the material.

  • Page 89: Certificates Afaq Certification

    ISO 9001 CERTIFICA ISO 9001 CERTIFICA ISO 9001 CERTIFICA ISO 9001 CERTIFICA ISO 9001 CERTIFICATION TION TION TION TION Page 88 - IOM / ROOF-TOP FLEXY™ Series...

  • Page 90: 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 IOM / ROOF-TOP FLEXY™ Series - Page 89...

  • Page 91: Filters Fire Class

    EU4 FIL EU4 FIL EU4 FIL EU4 FIL EU4 FILTER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS TER FIRE CLASS Page 90 - IOM / ROOF-TOP FLEXY™ Series...

  • Page 92: 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 IOM / ROOF-TOP FLEXY™...

  • Page 93: Kw Gas Burner Ce Certification Of Conformity

    60 kW GAS BURNER CE CERTIFICA 60 kW GAS BURNER CE CERTIFICA 60 kW GAS BURNER CE CERTIFICA 60 kW GAS BURNER CE CERTIFICA 60 kW GAS BURNER CE CERTIFICATION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY Page 92 - IOM / ROOF-TOP FLEXY™...

  • Page 94: 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 IOM / ROOF-TOP FLEXY™...

  • Page 95: Kw Gas Burner Ce Certification Of Conformity

    180 kW GAS BURNER CE CERTIFICA 180 kW GAS BURNER CE CERTIFICA 180 kW GAS BURNER CE CERTIFICA 180 kW GAS BURNER CE CERTIFICA 180 kW GAS BURNER CE CERTIFICATION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY TION OF CONFORMITY Page 94 - IOM / ROOF-TOP FLEXY™...

  • Page 96: 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 95...
  • Page 97 INSULA INSULA INSULA INSULA INSULATION FIRE CLASS TION FIRE CLASS TION FIRE CLASS TION FIRE CLASS TION FIRE CLASS Page 96 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 98 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 97...
  • Page 99 INSULA INSULA INSULA INSULA INSULATION FIRE CLASS TION FIRE CLASS TION FIRE CLASS TION FIRE CLASS TION FIRE CLASS Page 98 - IOM / ROOF-TOP FLEXY™ Series...
  • Page 100 : + 31 33 2471 800 fax : + 31 33 2459 220 e-mail : info@lennoxbenelux.com POLAND : LENNOX POLSKA Sp. z o. o. tel. : + 48 22 832 26 61 fax : + 48 22 832 26 62 e-mail : lennoxpolska@inetia.pl PORTUGAL : LENNOX CLIMATIZAÇAO LDA.

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