Lennox BCK 020 Installation Operating & Maintenance Manual
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Lennox BCK 020 Installation Operating & Maintenance Manual

Lennox BCK 020 Installation Operating & Maintenance Manual

Baltic series
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INSTALLATION
OPERATING &
MAINTENANCE MANUAL
BALTIC
English
August 2003

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Table of Contents
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Summary of Contents for Lennox BCK 020

  • Page 1 INSTALLATION OPERATING & MAINTENANCE MANUAL BALTIC English August 2003...
  • Page 2 The present manual applies to the following ROOFTOP versions : BCK 020 - BCK 025- BCK 030- BCK 035- BCK 040- BCK 045- BCK 050 BHK 020 - BHK 025- BHK 030- BHK 035- BHK 040- BHK 045- BHK 050...

  • Page 3: Table Of Contents

    CONTENTS CONTENTS INSTALLATION TRANSPORT - HANDLING ..................4 DIMENSIONS AND WEIGHTS ..................5 LIFTING THE UNITS ....................6 PRELIMINARY CHECKS ..................... 7 MINIMUM CLEARANCE AROUND THE UNIT ............8 INSTALLATION ON ROOF MOUNTING FRAMES ............9 Adjustable roofcurb ....................10 Multidirectional roofcurb ....................

  • Page 4: Important Notice

    • In order to maintain CE marking compliance, replacement of components shall be carried out using spare parts, or using parts approved by Lennox. • Only the coolant shown on the manufacturer's nameplate shall be used, to the exclusion of all other products (mix of coolants, hydrocarbons, etc.).

  • Page 5: Transport - Handling

    (working days). A copy of the letter must be attached to an eyebolt in a safe and accessible place. This addressed to Lennox and the supplier or distributor for allows you to open the panels for maintenance and installation information purposes.

  • Page 6: Dimensions And Weights

    TRANSPORT - HANDLING DIMENSIONS AND WEIGHTS B BOX C BOX D BOX Fig. 4 BALTIC BCK/BHK/BGK/BDK View B BOX B BOX C BOX C BOX D BOX D BOX D BOX 2050 2050 1950 1950 1950 1950 1950 1418 1418 1913 1913 2233...
  • Page 7 TRANSPORT - HANDLING LIFTING B BOX RETRACTABLE LIFTING LUG 1850 1410 (mini) (mini) Fig. 6 Fig. 5 LIFTING C BOX LIFTING D BOX 1930 1700 1700 2250 (mini) (mini) (mini) (mini) Fig. 8 Fig. 7 Page 6 - IOM / ROOFTOP BALTIC Series - 0803 - E...

  • Page 8: Preliminary Checks

    TRANSPORT - HANDLING FORKLIFT PROTECTIONS Fig. 9 REMOVE FORKLIFT PROTECTIONS BEFORE INSTA LATION PRELIMINARY CHECKS INSTALLATION REQUIREMENTS Before installing the equipment, the following points MUST The surface on which the equipment is to be installed must be checked : be clean and free of any obstacles which could hinder the -Have the forklift protections been removed ? flow of air to the condensers: -Is there sufficient space for the equipment?

  • Page 9: Minimum Clearance Around The Unit

    TRANSPORT - HANDLING MINIMUM CLEARANCE AROUND THE UNIT Figure 4 shows the required clearances and service access around the unit. NOTE : Ensure the fresh air inlet does not face prevailing wind direction. Fig. 10 B box 1000 1500 1500 1000 C box 1200...
  • Page 10 INSTALLATION ON A ROOF MOUNTING FRAMES As levels are adjustable, observe the following recommendations when installing the equipment. Above all, ensure that all the adjustable returns are facing outward ( figure 11). They are usually turned inside-out for transport. Fig. 11 Place the roof mounting frame on the trimmer beam by first lining up the inlet and the outlet opening.
  • Page 11 INSTALLATION ON A ROOF MOUNTING FRAMES 020 025 ADJUSTABLE ROOFCURB DRAWINGS (*) without auxiliary electric heater without hot water coil. Roof opening 1795 x 1085 Down Supply Air Return Air Main Power Entry Page 10 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 12 INSTALLATION ON A ROOF MOUNTING FRAMES ADJUSTABLE ROOFCURB DRAWINGS 030 035 (*) without auxiliary electric heater without hot water coil. Roof opening 1642 x 1282 Down Supply Air Front supply air Main Power Entry IOM / ROOFTOP BALTIC Series - 0803 - E Page 11...

  • Page 13: Adjustable Roofcurb

    INSTALLATION ON A ROOF MOUNTING FRAMES ADJUSTABLE ROOFCURB 045 050 DRAWINGS (*) without auxiliary electric heater without hot water coil. Roof opening 1642 x 1532 Down Supply Air Front supply air Main Power Entry Page 12 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 14 INSTALLATION ON A ROOF MOUNTING FRAMES 020 025 ADJUSTABLE ROOFCURB DRAWINGS (*) This roofcurb is also necessary for all cooling only or heatpump rooftop with auxiliary electric heater or hot water coil. Roof opening 1795 x 1085 Down Supply Air DownReturn Air Down main power entry Down hot water Entry...
  • Page 15 INSTALLATION ON A ROOF MOUNTING FRAMES 030 035 ADJUSTABLE ROOFCURB DRAWINGS (*) This roofcurb is also necessary for all cooling only or heatpump rooftop with auxiliary electric heater or hot water coil. Roof opening 1642 x 1282 Down Supply Air DownReturn Air Down main power entry Page 14 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 16 INSTALLATION ON A ROOF MOUNTING FRAMES ADJUSTABLE ROOFCURB 045 050 DRAWINGS (*) This roofcurb is also necessary for all cooling only or heatpump rooftop with auxiliary electric heater or hot water coil. Roof opening 1642 x 1532 Down Supply Air DownReturn Air Down main power entry IOM / ROOFTOP BALTIC Series - 0803 - E Page 15...

  • Page 17: Multidirectional Roofcurb

    INSTALLATION ON A ROOF MOUNTING FRAMES 020 025 MULTIDIRECTIONAL HORIZONTAL ROOFCURB (*) without auxiliary electric heater without hot water coil. WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES : Front supply air 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F' Front supply air Front return air...
  • Page 18 INSTALLATION ON A ROOF MOUNTING FRAMES MULTIDIRECTIONAL HORIZONTAL ROOFCURB (*) without auxiliary electric heater without hot water coil. WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES : Front supply air 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F' Front supply air Front return air Front return air...
  • Page 19 INSTALLATION ON A ROOF MOUNTING FRAMES MULTIDIRECTIONAL HORIZONTAL 045 050 ROOFCURB (*) without auxiliary electric heater without hot water coil. WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES : Front supply air 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F' Front supply air Front return air...
  • Page 20 INSTALLATION ON A ROOF MOUNTING FRAMES 020 025 MULTIDIRECTIONAL HORIZONTAL ROOFCURB (*) This roofcurb is also necessary for all cooling only or heatpump rooftop with auxiliary electric heater or hot water coil. WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES : Front supply air 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F'...
  • Page 21 INSTALLATION ON A ROOF MOUNTING FRAMES 030 035 MULTIDIRECTIONAL HORIZONTAL ROOFCURB (*) This roofcurb is also necessary for all cooling only or heatpump rooftop with auxiliary electric heater or hot water coil. WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES : Front supply air 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F'...
  • Page 22 INSTALLATION ON A ROOF MOUNTING FRAMES MULTIDIRECTIONAL HORIZONTAL 045 050 ROOFCURB (*) This roofcurb is also necessary for all cooling only or heatpump rooftop with auxiliary electric heater or hot water coil. WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES : Front supply air 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F'...
  • Page 23 INSTALLATION ON A ROOF MOUNTING FRAME NON ADJUSTABLE NON ASSEMBLED ROOFCURB INSTALLATION FRAME PARTS IDENTIFICATION Figure 14 shows the different parts for identification INSTALLATION The roof mounting frame provides support when the units are installed in down-flow configurations. The non adjustable, non assembled roof mounting frame can be installed directly on decks having adequate structural strength or on roof supports under deck.

  • Page 24: Non-Adjustable Non-Assembled Roofcurb

    INSTALLATION ON A ROOF MOUNTING FRAME All units NON ADJUSTABLE HORIZONTAL ROOFCURB BCK = Cooling only unit BHK = Heat pump unit BGK = Cooling only unit with gas fired heating BDK = Heat pump unit with gas fired heating Roof opening I x J Down Supply Air Return Air...
  • Page 25 INSTALLATION ON A ROOF MOUNTING FRAME ASSEMBLY The frame is supplied as a single package and shipped folded down for ease of transport and handling. It is easy field assembled as all parts required are supplied with the frame. SECURING THE FRAME To ensure proper mating with units (figure 15), it is mandatory that the roof mounting frame be squared to roof structure as follows: -With frame positioned levelled in the desired location on roof trusses, tack weld corner of frame.

  • Page 26: Curbing And Flashing

    INSTALLATION ON A ROOF MOUNTING FRAME When the frame is correctly positioned. It is essential to secure the assembly with a disconnected stitched welded seam (20 to 30mm every 200mm) along the outside or by using an alternative method. Fig. 17 CURBING AND FLASHING Outside of frame must be insulated with rigid type insulation;...

  • Page 27: Economiser And Extraction

    ECONOMISER AND EXTRACTION Economiser Extraction Free cooling can be provided through the use of fresh air where Installed with economiser assembly, the gravity exhaust appropriate rather than cooling excessive amounts of return dampers relieve the pressure when outside air is introduced air.

  • Page 28: Commissioning

    COMMISSIONING THIS WORK MUST ONLY BE CARRIED OUT BY TRAINED REFRIGERATION ENGINEERS FILL THE COMMISSIONNING SHEET AS The jumpers are factory set and the configuration switches YOU GO ALONG are adjusted depending on the option the type of unit. Connecting the CLIMATIC diplays. BEFORE CONNECTING THE POWER: - Ensure that the power supply between the building and the unit meets local authority standards and that the cable...

  • Page 29: Climatic

    COMMISSIONING POWERING THE UNIT RUN TEST Start unit in cooling mode - Power up the unit by closing the isolator switch (if fitted). - At this point the blower should start unless the climatic does not energise the contactor. In this particular case the HIGH PRESSURE blower can be forced by bridging the port NO7 and C7 on CONNECTION CIRCUIT...
  • Page 30 COMMISSIONING report Site details / Informations site Controller/ Contrôleur …………………………………. Site / Site Model/Model ……………….………………… ……………………………………… Unit Ref/ N° Affaire Serial No/ No Série ………………………………… ……………………………………..Refrigerant / Réfrigérant Installer/ Installateur ……………………………………… ………………………………… (1) ROOF INSTALLATION / INSTALLATION SUR LE TOIT Sufficient Access OK / Accès Suffisants Condensate drain fitted / Drainage condensats Roofcurb / Costière...
  • Page 31 COMMISSIONING report (8) REFRIGERATION SECTION / SECTION REFRIGERATION Outdoor Fan Motor Current / Intensité Moteurs Batterie externe: Check Rotation Compressor Voltage/ Tension Motor 1 / Moteur 1 L1 ……..A L2 ……..A L3 ……A Yes/Oui No/ Non Compresseur. Motor 2 / Moteur 2 L1 ……..A L2 ……..A L3 ……A...
  • Page 32 COMMISSIONING report It is recommended that you fill the three tables below before transferring the zone settings to the Climatic controller. Il est recommandé de remplir les deux tableaux ci-dessous avant de transférer les consignes de zones vers le contrôleur Climatic50.

  • Page 33: Ventilation

    VENTILATION BELT TENSION BELT 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. Before adjusting the tension, make sure that the pulleys are correctly aligned.

  • Page 34: Mounting & Adjusting Pulleys

    VENTILaTION : PULLEYS MOUNTING AND ADJUSTING 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. Fig. 31 Remove the hub and the pulley by hand without damaging the machine.

  • Page 35: Airflow Balancing

    VENTILaTION : PULLEYS The actual resistance of ductwork systems is not always identical to 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. AIRFLOW BALANCING Measure the absorbed amps If the absorbed amps are greater than the rated values, the ventilation system has a lower pressure drop than anticipated.

  • Page 36: Filters

    VENTILaTION : AIRFLOW BALANCING CHECKING AIRFLOW AND ESP 2nd method when adjusting the pulley : -Close the pulley fully and count the number of turns from fully closed position. Using table 1 determine the motor Using the fan curves on page 25, 26, 27, the airflow, the pulley actual diameter.
  • Page 37 VENTILaTION : AIRFLOW BALANCING EXAMPLE The unit used for this example is a BGK035ND1M with Economiser and Electric Heater type H It is fitted with a fan which curve is shown on page 38 and a 2.2kW motor. - Motor rpm: 1430 rpm - cos ϕ...
  • Page 38 VENTILaTION : AIRFLOW BALANCING 020 025 Fig. 37 IOM / ROOFTOP BALTIC Series - 0803 - E Page 37...
  • Page 39 VENTILaTION : AIRFLOW BALANCING Fig. 38 Page 38 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 40 VENTILaTION : AIRFLOW BALANCING 045 050 Fig. 39 IOM / ROOFTOP BALTIC Series - 0803 - E Page 39...
  • Page 41 VENTILaTION : AIRFLOW BALANCING FILTER REPLACEMENT After opening the filter access panel, lift the filter retaining log. The filters can then be removed and replaced easily by sliding the dirty filters out and clean ones in. Fig. 40 Fig. 41 The CLIMATIC controller can monitor the pressure drop across the filter (If option fitted) The following set points can be adjusted depeding on the...

  • Page 42: Fan Starter

    VENTILaTION : FANSTART AIR SOCK CONTROL FANSTART OPERATION Current protection of the Thyristor The use of air socks for space conditioning allows high air The FANSTART will display a fault (red LED) if the current volumes to be distributed at low velocity and is becoming a exceeds the thyristor current limits common feature in many applications.

  • Page 43: Hot Water Coils

    HEATING / HEATING HOT WATER COIL FREEZE PROTECTION HYDRAULIC CONNECTIONS 1) Glycol for freeze protection. The hot water coil is fitted with a three way proportional valve and two isolating shut off valves. Two spanners must Check the hydraulic system contains Glycol for protection be used to tighten the connections.
  • Page 44 HEATING / HEATING HOT WATER COIL Connection HWC B Box Downflow Connection HWC B Box Horizontal Flow Fig. 46 Fig. 47 Connection HWC C Box Downflow Connection HWC C Box Horizontal Flow Fig. 48 Fig. 49 Connection HWC D Box Downflow Connection HWC D Box Horizontal Flow Fig.

  • Page 45: Electric Heater

    HEATING: ELECTRIC HEATER GENERAL INFORMATION The Baltic electric heaters are stand alone options which are fitted in the heating section of the unit. As for the hot water coil or the gas burner this option slides into the heating compartment located under the supply fan. In order to reduce the pressure drops the airflow is ducted around the shielded resistances.

  • Page 46: Climatic Controller

    HEATING: gas burner PRELIMINARY CHECKS BEFORE START-UP must not be smaller than the diameter of the connection on the Rooftop unit. - Make sure that a shut-off isolation valve has been installed NOTE : before EACH Rooftop. ANY WORK ON THE GAS SYSTEM MUST BE CARRIED OUT - Check the supply voltage to the ignition control board (it BY QUALIFIED PERSONNEL.
  • Page 47 HEATING: gas burner Fig. 57 PRESSURE ADJUSTMENTS ON HONEYWELL PRESSURE REGULATING VALVE TYPE VK 4125 P Pressure regulator adjustment with 300mbar gas supply: - The Burner must run in High Heat mode for this check. Fig. 54 INLET PRESSURE MEASURING PORT Low Heat Injection Pressure Checks -Carefully disconnect the wire on the coil of the valve as...
  • Page 48 HEATING: gas burner Fig. 63 PRESSURE ADJUSTMENTS ON HONEYWELL PRESSURE REGULATING VALVE TYPE VK 4105 Pressure regulator adjustment with 300mbar gas supply: - The Burner must run in High Heat mode for this check. - Place the tube of the "accurate" manometer on the Inlet pressure port (figure 61) of the Gas Regulating Valve after having loosened the screw by two turns.
  • Page 49 HEATING: gas burner Ionisation Probe test BURNER SAFETY CHECKS -With the gas burner running, disconnect the terminal plug Smoke extractor pressure switch Test. coming from the ionisation probe to the gas ignition control box. - With the gas burner running, disconnect the flexible tube fitted to the pressure taping on the pressure switch (fig.
  • Page 50 HEATING: gas burner GAS BURNER FIRE-UP SEQUENCE Fig. 68 Operation from control Thermostat GAS = Closed Supply Thermostat Limit ? (Auto reset) Gaz low pressure switch? Gaz ignition control block signal Extraction Fan ON Air pressure switch ON Backfire thermostat ON ? Pre-ventilation 30 to 45 seconds Gas control Fire-up Electrode 4s...
  • Page 51 HEATING: gas burner GAS BURNER TROUBLESHOUTING If faults reported on CLIMATIC -Reset the CLIMATIC. -Check voltage: 230V after circuit breaker. -Check GAS isolation shut-off valves are open. -Check GAS pressure at the inlet of the GAS valves. It must be >20 mbar when the Burners shut down. -Adjust the set points to priorities the burner.
  • Page 52 HEATING: gas burner DISASSEMBLING THE GAS BURNER FOR MAINTE- Disassembling the flue NANCE PURPOSES - Electrically disconnect the fan and remove the screws holding it in place. Preliminary Safety Recommendations -Take care not to loose any cage nuts in the smoke box. - Isolate the unit using the main isolator switch.
  • Page 53 HEATING: gas burner GAS MODULE-20KW-B-BOX Fig. 75 GAS MODULE-33KW-B-BOX Fig. 76 Page 52 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 54 HEATING: gas burner GAS MODULE-20KW-C-BOX Fig. 77 GAS MODULE-46KW-C-BOX Fig. 78 IOM / ROOFTOP BALTIC Series - 0803 - E Page 53...
  • Page 55 HEATING: gas burner GAS MODULE-46KW-C-BOX Fig. 79 GAS MODULE-60KW-D-BOX Fig. 80 Page 54 - IOM / ROOFTOP BALTIC Series - 0803 - E...

  • Page 56: Communication Links

    COMMUNICATION LINKS Master / Slave Rooftop can now be connected together (up to 12) via a double shielded pair of wire (0.75mm2 not supplied by Lennox) and use different running modes, as explained bellow, with no cost increase. Fig. 81...
  • Page 57 control communication links DS 50 : SERVICE DISPLAY / DC 50 : COMFORT DISPLAY Fig. 82 CLIMALINK / CLIMALOOK Fig. 83 Page 56 - IOM / ROOFTOP BALTIC Series - 0803 - E...

  • Page 58: Software Features And Logic

    (adjustable value low and high) on room temperature point Temp. factor and humidity. Increasing CONTROL SOFTWARE LOGIC Increasing With the CLIMATIC™ 50 Lennox is going away from the Increasing traditional step control Increasing 100% Capacity factor Decreasing 100% It is used to determine the exact capacity required at any...

  • Page 59: Other Features

    control software features Table 11 REACTIVITY : 3 Table 9 LIST OF SET POINTS CONFORT SERVICE DELTA +5 100% PER ZONE DISPLAY DISPLAY AMBIANT TEMPERATURE DELTA +3 Average set point DELTA +1 Dynamic Set Point Cooling Set Point 1MIN 5MIN 10MIN Heating Set point Heating Priority...
  • Page 60 control software features Staggered start Dynamic Defrost After a power cut, the units can be made to restart one after This new feature patented under INPI 91.033.063 allows the the other to prevent any current surge. unit to start the defrost cycle only when required. There is no need for a link between the units, they just have This is achieved through the measurement of the to be given an address during commissioning and they will...

  • Page 61: Control Interfaces

    control interface dc50 Override 3 hours : CONTROL INTERFACES AND DISPLAYS From main screen press any of the two arrow keys as DC50 COMFORT DISPLAY shown bellow: Main screen : This is a remote controller for non-technical customer. This display give information such as running mode status of the fan, set point, % of fresh air and outside air temperature.
  • Page 62 control interface dc50 "Time Zone" Menu Alarm History Menu From main screen press the "Prg" key, the following menu appears: AMBER Schedule Increase Alarm 02 Alarm 02 Alarm 02 Alarm 02 Alarm 02 01-03/03.12h10*127 01-03/03.12h10*127 01-03/03.12h10*127 01-03/03.12h10*127 01-03/03.12h10*127 Alarms 02 02 03/03.12h05*127 03/03.12h05*127 03/03.12h05*127...

  • Page 63: Ds50 Service Display

    April 03 3-Setting 3-Setting April 03 April 03 Start up screen or Screen(1) Sub-menu Data (2000) LENNOX SERVICE TOOL LENNOX SERVICE TOOL LENNOX SERVICE TOOL LENNOX SERVICE TOOL LENNOX SERVICE TOOL Menu reference Press Prg to start Press Prg to start...
  • Page 64 control interface dS50 Pressing "ESC" at any time sends you back one level up Clock settings the menu tree. In the example shown above "ESC" must be The clock setting menu can be accessed from the main pressed 3 times to go back to the main menu (0000) menu by selecting the menu "SETTING"...

  • Page 65: Ds50 Menu Tree

    control interfaces ds50 menu tree Table 13 Main Screen Code Description Code Description Code Description Code UNIT Min Factory Max 1-Alarm 1000 1-(date).(time) 1100 2-(date).(time) 1200 3-(date).(time) 1300 2-Data 2000 1-General 2100 1-Temperature 2110 Outside °C Room °C Supply °C Return °C 2-Humidity...
  • Page 66 control interfaces ds50 menu tree Main Screen Code Description Code Description Code Description Code UNIT Min Factory Max 3-Fan 2300 1-Ventilation 2310 Config. List State List Sw State On/Off Fire/Smoke On/Off Relay On/Off Low Speed On/Off Sw Speed On/Off 2-Extraction 2320 State List Relay...
  • Page 67 control interfaces ds50 menu tree Main Screen Code Description Code Description Code Description CodeUNIT Min Factory Max 5-Other 2550 Low Amb. On/Off W/Cond.1 °C W/Cond.2 °C 6-Aux. Heater 2600 1-Gas 2610 Config. List State List Sw State 1 On/Off Sw State 2 On/Off Relay 1 On/Off...
  • Page 68 control interfaces ds50 menu tree ALL CODES SHOWING (1) CAN BE ADJUSTED FOR EACH TIME ZONE IOM / ROOFTOP BALTIC Series - 0803 - E Page 67...
  • Page 69 Main Screen Code Description Code Description Code Description Code UNIT Factory Max description *[Enable] Stopping and running of the Fan Blower.[OFF] the 5-Enable 3350 1-Fan On/Off 3351 On/Off blower is stopped, [ON] the blower is running. *[Enable] Stopping and running of the fan in the "Control 2-Fan Dead 3352 On/Off...
  • Page 70 control interfaces ds50 menu tree IOM / ROOFTOP BALTIC Series - 0803 - E Page 69...
  • Page 71 control interfaces ds50 menu tree Page 70 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 72 control interfaces ds50 menu tree IOM / ROOFTOP BALTIC Series - 0803 - E Page 71...

  • Page 73: Safety And Error Codes

    control climatic 50 error codes SAFETY AND ERROR CODES Table 14 CODE DESCRIPTION LIGNE1 DESCRIPTION LIGNE2 Air Flow Failure Filters Dirty Filters Missing Electrical Heater Faulty Supply Air Over Temp. Room Temp. Too Low Gas Burner, 1 Faulty Gas Burner, 2 Faulty Supply Air Temp.

  • Page 74: Commissioning

    control comissioning COMMISSIONING Here is a list of essential points to be checked when commissioning a unit : - 3111 : switch on and off the unit - 3113 : cancel any "overrides" set with a DC50 - 3120 : real-time clock - 3810 : configuration of unit and option - 3920 : unit ID for multiple unit connections - Adjust all time zones and corresponding parameters...

  • Page 75: Control Interface Climalink-Climalook

    To avoid this Lennox recommend to connect the central operation. The local operating mode is completely unit to a pulsating current power outlet or "UPS". Lennox automatic and does not require any configuration. Like cannot be held responsible in the event this Climalink, Climalook can receive remote queries thanks to recommendation is not acted upon.
  • Page 76 The connections between the units and the Climalink/ Climalook must be done using a double shielded pair of wire (not supplied by Lennox) This cable must have external metal braiding, and its cross-section must be at least 0.5mm2 with a maximum of 1mm2...
  • Page 77 control interface CLIMALINK / CLIMALOOK SETTINGS FOR THE CONNECTIONS Depending on the version of Windows you are running, access the « Make new connection» function. Click Enter the telephone number to which your ClimaLook’s modem is con- nected. Click on next Click Click on next Click...
  • Page 78 CLIMALINK / CLIMALOOK Type “http:// Lennox” in the Address field The first time you log in, Windows asks you to confirm your login identifiers: - for User enter Administrateur - for password enter VISION - leave the workgroup field empty.
  • Page 79 control interface CLIMALINK / CLIMALOOK THE MAIN PAGE Unit’s day and time The colour outline around the roof-top unit and the operating temperatures indicate the unit’s status: Green: Operating mode, White: Stop mode, Orange : Night mode, Red: Fault mode, This page gives you the basic information about how your installation functions.
  • Page 80 control interface CLIMALINK / CLIMALOOK For some settings, a small icon is Use the refresh function to update the values read displayed at the end of the line Click on it to get a history of this setting. The empty fields correspond to occasions when the CLIMALOOK / CLIMALINK unit has stopped - To access the Service page for another unit, simply click on this unit.
  • Page 81 control interface CLIMALINK / CLIMALOOK THE MACRO PAGE THE ACCESS PAGE This page enables you to modify all the units on your site in This page enables users who have a third level access code to one action. attribute access codes to other users. You can choose to perform one or more actions.

  • Page 82: Problem Solving

    The only way to examine the problem in more detail is to The values read do not seem to move. obtain a monitor and a mouse and contact the Lennox The values are not in fact refreshed automatically, and for services.
  • Page 83 PERFORMANCES wiring diagrams BCK = Cooling only rooftop BGK = Cooling only rooftop with with gas fired heating Fully modulating electric heater (TRIAC) Staged electric heater Hot water coil Gas burner Economiser Economiser Extraction fan Extraction fan Firestat Firestat Smoke detector Smoke detector DS50 DS50...
  • Page 84 ELECTRICAL DATA - wiring diagrams DIAGRAM REFERENCE LEGEND Soft starter -KM9-KM10 Condenser 1 / condenser 2 fan motor contactor Smoke detection head -KM11-KM12 Compressor -MG1-MG2 contactor Gas manifold ionisation probe -MC1-MC2 Condenser -MC1-MC2 fan motor Gas manifold ignition electrode -ME1-ME2 Extraction fan motor -ME1-ME2 contactor -B13 Dirty air filter pressure switch / air flow rate...
  • Page 85 ELECTRICAL DATA - wiring diagrams BCK = Cooling only unit BHK = Heat pump unit BGK = Cooling only unit with gas fired heating BDK = Heat pump unit with gas fired heating MAIN CURRENT DIAGRAM TRI / 400V / 50Hz + N + T Page 84 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 86 ELECTRICAL DATA - wiring diagrams CLIMATIC 50 CONTROLLER IOM / ROOFTOP BALTIC Series - 0803 - E Page 85...
  • Page 87 ELECTRICAL DATA - wiring diagrams CLIMATIC 50 INPUT BCK / BHK / BGK / BDK Page 86 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 88 ELECTRICAL DATA - wiring diagrams CLIMATIC 50 OUTPUT BCK / BHK IOM / ROOFTOP BALTIC Series - 0803 - E Page 87...
  • Page 89 ELECTRICAL DATA - wiring diagrams CLIMATIC 50 OUTPUT BGK / BDK Page 88 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 90 ELECTRICAL DATA - wiring diagrams DAD SMOKE DETECTOR INPUT - OUTPUT EXTENSION BOARD (TCB) BE 50 IOM / ROOFTOP BALTIC Series - 0803 - E Page 89...
  • Page 91 ELECTRICAL DATA WIRING DIAGRAM GAS BURNER 15 / 20 / 30 / 40 / 60 Kw FULLY MODULATING ELECTRIC HEATER STAGED ELECTRIC HEATER Page 90 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 92 ELECTRICAL DATA CONTROL variables STANDARD HUMIDITY CONTROL OR TCB A : Freezed Input / Output B : Customized Input / Output Logical Output Board (2 outputs : 1 freezed, 1 customized) Logical Output Board (4 outputs : 0 freezed, 4 customized) B 1 to 4 - Customized (choose, for each input (4) between those 5 possibilities) A 1 - Alarm, General...
  • Page 93 Principle sketches BCD : Condenser coil CA : Check valve BEC : Hot water coil DT : Thermostatic expansion valve BEV1 : Evaporator coil FD : Filter drier BT12 : Blower temperature sensor MC1 - MC2 : Condenser - MC1 - MC2 fan motor B14 : Hot water coil antifreeze thermostat MG1 - MG2 :...
  • Page 94 Principle sketches BHK-030-035-040-045-050 Equalizing line Equalizing line BCK-030-035-040-045-050 Equalizing line IOM / ROOFTOP BALTIC Series - 0803 - E Page 93...

  • Page 95: Refrigeration Circuit

    maintenance diagnostic REFRIGERATION Table 15 FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION Measure the superheat and sub-cooling: Good if 5°C<SC<10°C and 5°C<SH<10°C Refrigerant charge too low Bad if SC>10°C and SH too Low Check superheat adjustment and charge unit (a leak check must be carried out) In Heat Pump Mode the temperature difference If too high check the coils are clean or check coil between T outdoor and Tevap.
  • Page 96 maintenance diagnostic REFRIGERATION FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION If the circuit pressure is higher (<1bar) than the saturated pressure corresponding to the measured outdoor temperature, there is Moisture or contaminants in the system possibility that some contaminants are present in the system.
  • Page 97 maintenance diagnostic OUTDOOR AXIAL FAN FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION Check the voltage drop when all components High Amps due to a low voltage from the main are running. supply Change the circuit breaker for one with a higher rating.

  • Page 98: Maintenance Plan

    It is recommended to keep a minimum stock of common replacement parts in order to be able to carry out regular maintenance operations (i.e. filters). You can contact your local Lennox representative which can assist you in establishing a parts list for each type of equipment.
  • Page 99 MAINTENANCE PLAN Page 98 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 100 MAINTENANCE PLAN IOM / ROOFTOP BALTIC Series -0803 - E Page 99...
  • Page 101 EC declaration of conformity Page 100 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 102 EC declaration of conformity IOM / ROOFTOP BALTIC Series - 0803 - E Page 101...
  • Page 103 EC declaration of conformity Page 102 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 104 EC declaration of conformity IOM / ROOFTOP BALTIC Series - 0803 - E Page 103...
  • Page 105 EC declaration of conformity Page 104 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 106 EC declaration of conformity IOM / ROOFTOP BALTIC Series - 0803 - E Page 105...
  • Page 107 1312BO3925 Numéro : AFNOR CERTIFICATION, après examen et vérifications, certifie que l'appareil : AFNOR CERTIFICATION, after examination and verifications, certifies that the appliance: Fabriqué par : LENNOX FRANCE Manufactured by Z.I. LONGVIC BP 60 F-21602 LONGVIC CEDEX Marque commerciale et modèle(s) :...
  • Page 108 EC declaration of conformity IOM / ROOFTOP BALTIC Series - 0803 - E Page 107...
  • Page 109 EC declaration of conformity Page 108 - IOM / ROOFTOP BALTIC Series - 0803 - E...
  • Page 110 Fax : + 33 4 72 23 20 28 e-mail : marketing@lennoxdist.com www.lennoxeurope.com Due to Lennox's ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. IOM-RTB-0803-E Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.

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