Related Manuals for Lennox BAC020SNM
Summary of Contents for Lennox BAC020SNM
- Page 1 Installation, operating and maintenance BALTIC R410A Providing indoor climate comfort BALTIC R410A-IOM-0708-E...
- Page 2 All the technical and technological information contained in this manual, including any drawing and technical descriptions provided by us, remain the property of Lennox and must not be utilised (except in operation of this product), reproduced, issued to or made available to third parties without the prior written agreement of Lennox.
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Page 3: Table Of Contents
CONTENTS COMMISSIONING REPORT.....................5 INSTALLATION Transport - Handling ...................11 Mandatory handling devices ................12 Dimensions and weights ..................13 Lifting the units ....................14 Lifting the roofcurbs ....................15 Lifting the energy recovery module ..............16 Preliminary checks .....................17 Minimum clearances around the unit ..............18 Installation on roof mounting frames ..............19 Positioning roofcurb .................19 Non adjustable Non assembled roof curb ..........20 Securing the curb ..................22... -
Page 4: Baltic R410A-Iom-0708-E Page
CONTENTS HEATING OPTIONS Hot water coils ....................73 Electric heater ....................75 Gas burners .......................76 Modulating gas burners ..................88 CLIMATIC CONTROLLER See specific content on page 93 ................. 93 PRINCIPLE SKETCHES Refrigerant circuits ..................... 114 Hot water coil diagram ..................117 MAINTENANCE DIAGNOSTIC ..................118 MAINTENANCE PLAN .................... - Page 5 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.).
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Page 6: Commissioning Report
COMMISSIONING REPORT Site details / Informations site …………………………………. Controller/ Contrôleur ……………………………………… ……………….………………… Site / Site Model/Model ……………………………………..………………………………… Unit Ref/ N° Affaire Serial No/ No Série ……………………………………… ………………………………… Installer/ Installateur Refrigerant / Réfrigérant (1) ROOF INSTALLATION / INSTALLATION SUR LE TOIT Sufficient Access OK / Accès Suffisants Condensate drain fitted / Drainage condensats Roofcurb / Costière... - Page 7 COMMISSIONING REPORT (8) REFRIGERATION SECTION / SECTION REFRIGERATION Outdoor Fan Motor Current / Intensité Moteurs Batterie externe: Check Rotation Compressor L1 ……..A L2 ……..A L3 ……A Voltage/ Tension Motor 1 / Moteur 1 Yes/Oui No/ Non L1 ……..A L2 ……..A L3 ……A Compresseur.
- Page 8 COMMISSIONING REPORT Il est recommandé de remplir les deux tableaux ci-dessous avant de transférer les consignes de zones vers le contrôleur Climatic50. Refer to control section page 55 / Se référer à la section régulation page 55 Time Zones / Zones Horaires Hour 10 11 12 13 14 15 16 17 18 19 20 21 22 23 7h15 ZA...
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Page 9: General Information
COMMISSIONING REPORT EC Regulation No 842/2006 REFRIGERANT TRANSACTIONS LOGBOOK: GENERAL INFORMATION Site Name Serial Number Site Address Site Operator Cooling Load Refrigerant Refrigerant Quantity (kg) Type Unit Year of Installation Manufacturer REFRIGERANT ADDITIONS Date Engineer Quantity (kg) Reason for Addition REFRIGERANT REMOVAL Date Engineer... - Page 10 COMMISSIONING REPORT LEAK TESTS (Part 2) Date Engineer Test Result Follow Up Action Required FOLLOW UP ACTIONS Date Engineer Related to test dated Action Taken TESTING of AUTOMATIC LEAK DETECTION SYSTEM (If fitted) Date Engineer Test Result Comments Remarks: ……………………………………………………………………………………………… ………………………………………………………………………………………………………………...
- Page 11 COMMISSIONING REPORT ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..…………………………………………………………… .………………………………………………………………………………………..…………………………………………………………. ………………………………………………………………………………………..……………………………………………………………...
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Page 12: Transport - Handling
This 48 hours of delivery (working days). A copy of the letter allows you to open the panels for maintenance and must be addressed to Lennox and the supplier or installation work. distributor for information purposes. Failure to comply will The locks are ¼... -
Page 13: Mandatory Handling Devices
TRANSPORT – HANDLING - WARNING MANDATORY HANDLING DEVICES Handling slings to guide the unit towards the roofcurb Vacuum lifting beam to position the unit NON-COMPLIANT COMPLIANT BALTIC R410A-IOM-0708-E Page 12... -
Page 14: Dimensions And Weights
TRANSPORT – HANDLING DIMENSIONS AND WEIGHTS BALTIC™ BAC/BAH/BAG/BAM 2017 2017 1890 1910 1910 2260 2260 1418 1418 1915 2235 2235 2873 2873 1220 1220 1221 1221 1221 1225 1225 Weight of standard units Without hood With hood Poids des unités à gaz Standard heat without hood Standard heat with hood 1001... -
Page 15: Lifting The Units
TRANSPORT – HANDLING LIFTING THE UNITS 1410 B box C box 1850 1700 (mini) (mini) 1930 (mini) (mini) Fig. 5 Fig. 6 D box E box 2080 2890 1700 2250 (mini) (mini) (mini) (mini) Fig. 7 Fig. 8 RETRACTABLE LIFTING LUG Fig. -
Page 16: Lifting The Roofcurbs
TRANSPORT – HANDLING LIFTING THE ROOF CURBS DJUSTABLE Dimensions (mm) B box C box D box E box 1890 1735 1735 2085 1100 1295 1545 1995 Weights (kg) B box C box D box E box No aux.heating With aux.heating 138.2 Fig. -
Page 17: Lifting The Energy Recovery Module
TRANSPORT – HANDLING ULTIDIRECTIONNAL Dimensions (mm) B box C box D box E box 2050 1900 1900 2250 1160 1360 1610 2060 Weights (kg) B box C box D box E box No aux.heating With aux.heating 146.7 Fig.13 LIFTING THE ENERGY RECOVERY MODULE Dimensions B box C box... -
Page 18: Preliminary Checks
INSTALLATION FORKLIFT PROTECTIONS REMOVE THE FORKLIFT PROTECTIONS BEFORE INSTALLATION Fig. 15 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 19: Minimum Clearance Around The Unit
INSTALLATION 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. 16 B Box 1000 1500 1500 1000 C Box 1200 1500 1500... -
Page 20: Installation On Roof Mounting Frames
INSTALLATION ON A ROOF MOUNTING FRAMES POSITIONING ROOFCURBS levels adjustable, observe following recommendations when installing the equipment. Above all, ensure that all the adjustable returns are facing outward (“1” figure 17). They are usually turned inside-out for transport. Fig. 17 Place the roof mounting frame on the trimmer beam by first lining up the inlet and the outlet opening. -
Page 21: Non Adjustable Non Assembled Roof Curb
INSTALLATION ON A ROOF MOUNTING FRAMES NON ADJUSTABLE NON ASSEMBLIED ROOFCURB FRAME PARTS IDENTIFICATION Figure 20 shows the different parts used in the assembly of this roof mounting frame. 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 22 INSTALLATION ON A ROOF MOUNTING FRAMES NON ADJUSTABLE NON ASSEMBLED ROOFCURB 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 22), it is mandatory that the roof mounting frame be squared to roof structure as follows:...
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Page 23: Securing The Curb
INSTALLATION ON A ROOF MOUNTING FRAMES SECURING THE CURB When the frame is correctly positioned, it is essential to secure the assembly with a disconnected stitched welded seam (20 to - - - -) 30 mm every 200 mm along the outside or by using an alternative method. Fig. -
Page 24: Heat Recovery Installation
INSTALLATION ON A ROOF MOUNTING FRAMES Heat Recovery Installation Fig. 25 The unit being already erected on the roof curb, position the elbow by plugging the returns (A) in the slits (B) of the framework of the unit: see detail Fix the elbow with caged nuts at envisaged places (C) Apply mastic on the two side studs and on the superior stud of the energy recovery box. -
Page 25: Economiser And Extraction
ECONOMISER AND EXTRACTION Economiser Free cooling can be provided through the use of fresh air where appropriate rather than cooling excessive amounts of return air. The economiser is factory fitted and tested prior to shipment. It includes two dampers operating from a 24V actuator Rain hood It also includes a factory fitted rain hood. - Page 26 ECONOMISER AND EXTRACTION VERTICAL FLOW MULTIDIRECTIONAL ROOFCURB ENERGY RECOVERY MODULE + EXHAUST ENERGY RECOVERY MODULE + EXHAUST ROOFCURB ROOFCURB (Vertical flow) (Horizontal flow) Fresh air Supply fan Multidirectional roofcurb Return air Economiser damper Heat recovery module Exhaust air Exhaust damper Exhaust Roofcurb Supply air BALTIC R410A-IOM-0708-E...
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Page 27: Commissioning
COMMISSIONING THIS WORK MUST ONLY BE CARRIED OUT BY TRAINED REFRIGERATION ENGINEERS FILL THE COMMISSIONNING SHEET AS YOU GO ALONG ELECTRICAL CONNECTIONS Connector for the Ensure that the power supply between the building and the energy recovery module + Fresh air unit meets local authority standards and that the cable sensor specification satisfies the start-up and operating conditions. -
Page 28: Starting The Unit
COMMISSIONING Reset the DAD photo (If fitted) STARTING THE UNIT At this point the unit circuit breakers should be open You will need a DS50 maintenance controller or Climalook with appropriate Interface. Fig. 30 Language or ENGLISH RT 050.001 BIOS. -
Page 29: Powering The Unit
COMMISSIONING POWERING THE UNIT RUN TEST - Power up the unit by closing the isolator switch (if fitted). Start unit in cooling mode - At this point the blower should start unless the climatic does not energise the contactor. In this particular case the blower can be forced by bridging the port NO7 and C7 on connector J14 on the Climatic. -
Page 30: Arrangement Drawings
ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do not apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Down hot water entry Extraction Front supply air Front main power entry Smoke outlet Down main power Down return air... - Page 31 ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Extraction Front supply air Front main power entry Gas supply inlet Smoke outlet Down main power Down return air...
- Page 32 ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do not apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Down hot water entry Extraction Front supply air Front main power entry Smoke outlet Down main power Down return air...
- Page 33 ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Extraction Front supply air Front main power entry Gas supply inlet Smoke outlet Down main power Down return air...
- Page 34 ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do not apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Down hot water entry Extraction Front supply air Front main power entry Smoke outlet Down main power Down return air...
- Page 35 ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Extraction Front supply air Front main power entry Gas supply inlet Smoke outlet Down main power Down return air...
- Page 36 ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do not apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Down hot water entry Extraction Front supply air Front main power entry Smoke outlet Down main power Down return air...
- Page 37 ARRANGEMENT DRAWINGS WITH OPTIONS (Return and supply opening shown on this drawing do apply to BAC/BAH with electric heater or hot water coil ) Down supply air Fresh air Extraction Front supply air Front main power entry Gas supply inlet Smoke outlet Down main power Down return air...
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Page 38: Non Adjustable Roofcurb
NON ADJUSTABLE ROOFCURB BAC = Cooling only unit ALL UNITS BAH = Heat pump unit BAG = Cooling only unit with gas fired heating BAM = Heat pump unit with gas fired heating Down supply air Main Power Entry 030-035-040-045-050 8’... -
Page 39: Adjustable Roofcurb
ADJUSTABLE ROOFCURB BAC / BAH _BAG / BAM or BAC / BAH with auxiliary heating Down supply air Down main power entry Down return air Down hot water entry Main power entry Roof opening 1795 x 1085 BALTIC R410A-IOM-0708-E Page 38... - Page 40 ADJUSTABLE ROOFCURB BAC / BAH _BAG / BAM or BAC / BAH with auxiliary heating Down supply air Down main power entry Down return air Down hot water entry Main power entry Roof opening 1642 x 1282 BALTIC R410A-IOM-0708-E Page 39...
- Page 41 ADJUSTABLE ROOFCURB BAC / BAH _ BAG / BAM or BAC / BAH with auxiliary heating 1050 Down supply air Down main power entry Down return air Down hot water entry Main power entry Roof opening 1642 x 1532 BALTIC R410A-IOM-0708-E Page 40...
- Page 42 ADJUSTABLE ROOFCURB Down supply air Down main power entry Down return air Down hot water entry Main power entry BALTIC R410A-IOM-0708-E Page 41...
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Page 43: Multidirectional Horizontal Roofcurb
MULTIDIRECTIONAL HORIZONTAL ROOFCURB Front supply air Front return air 1F’ 2F’ (*) 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 : 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F' BALTIC R410A-IOM-0708-E... - Page 44 MULTIDIRECTIONAL HORIZONTAL ROOFCURB Front supply air Front return air 1F’ 2F’ (*) 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 : 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F' BALTIC R410A-IOM-0708-E...
- Page 45 MULTIDIRECTIONAL HORIZONTAL ROOFCURB Front supply air Front return air 1F’ 2F’ (*) 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 : 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F' BALTIC R410A-IOM-0708-E...
- Page 46 MULTIDIRECTIONAL HORIZONTAL ROOFCURB Front supply air Front return air 1F’ 2F’ WARNING : ONLY ONE OF THE 4 FOLLOWINGS POSSIBILITIES : 2F - 1F / 2F - 1F' 2F' - 1F / 2F' - 1F' BALTIC R410A-IOM-0708-E Page 45...
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Page 47: Exhaust Vertical Roofcurb
EXHAUST VERTICAL ROOFCURB BAC / BAH without auxiliary heating BAG / BAM or BAC / BAH with auxiliary heating Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 46... - Page 48 EXHAUST VERTICAL ROOFCURB BAC / BAH without auxiliary heating BAG / BAM or BAC / BAH with auxiliary heating Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 47...
- Page 49 EXHAUST VERTICAL ROOFCURB BAC / BAH without auxiliary heating BAG / BAM or BAC / BAH with auxiliary heating 1050 Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 48...
- Page 50 EXHAUST VERTICAL ROOFCURB Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 49...
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Page 51: Exhaust Horizontal Roofcurb
EXHAUST HORIZONTAL ROOFCURB Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 50... - Page 52 EXHAUST HORIZONTAL ROOFCURB Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 51...
- Page 53 EXHAUST HORIZONTAL ROOFCURB Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 52...
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Page 54: Transition Roofcurb
TRANSITION ROOFCURB Down supply air Down main power entry Down return air Down hot water entry Main power entry Exhaust BALTIC R410A-IOM-0708-E Page 53... -
Page 55: Energy Recovery Option
ENERGY RECOVERY OPTION Part 1 and 2 are supplied loose + Fresh air and extracted air hood closed Fresh air Exhaust air Fresh air Exhaust air BALTIC R410A-IOM-0708-E Page 54... - Page 56 ENERGY RECOVERY OPTION Part 1 and 2 are supplied loose + Fresh air and extracted air hood closed Fresh air Exhaust air Fresh air Exhaust air BALTIC R410A-IOM-0708-E Page 55...
- Page 57 ENERGY RECOVERY OPTION Part 1 and 2 are supplied loose + Fresh air and extracted air hood closed Fresh air Exhaust air Fresh air Exhaust air BALTIC R410A-IOM-0708-E Page 56...
- Page 58 ENERGY RECOVERY OPTION Part 1 and 2 are supplied loose + Fresh air and extracted air hood closed Fresh air Exhaust air Fresh air Exhaust air BALTIC R410A-IOM-0708-E Page 57...
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Page 59: Belt Tension
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 60: 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. 38 Remove the hub and the pulley by hand without damaging the machine. -
Page 61: Airflow Balancing
VENTILATION: AIRFLOW BALANCING 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. SITE TEST AND MAINTENANCE Measure the motor absorbed power. - Page 62 VENTILATION: AIRFLOW BALANCING CHECKING AIRFLOW AND ESP method when adjusting the pulley : Using the fan curves on page 25, 26, 27, the airflow, the -Close the pulley fully and count the number of turns total pressure available (P ) and the corresponding from fully closed position.
- Page 63 VENTILATION: AIRFLOW BALANCING PERFORMANCES ACCESSORIES PRESSURE DROPS BAC = Cooling only rooftop BAH = Heat pump rooftop BAG = Cooling only rooftop with gas fired heating BAM = Heat pump rooftop with gas fired heating Heat Water Hot Electric heater Multi Economiser Roofcurb...
- Page 64 VENTILATION: AIRFLOW BALANCING EXAMPLE The unit used for this example is a BAH035NSM1M with Economiser and Electric Heater type H It is fitted with a fan which curve is shown on page 26 and a 2.2kW motor. - Motor rpm: 1430 rpm ...
- Page 65 VENTILATION: AIRFLOW BALANCING ROOF TOP PERFORMANCE CURVES AT12-9S BALTIC R410A-IOM-0708-E Page 64...
- Page 66 VENTILATION: AIRFLOW BALANCING ROOF TOP AT15-11S BALTIC R410A-IOM-0708-E Page 65...
- Page 67 VENTILATION: AIRFLOW BALANCING ROOF TOP AT15-15S BALTIC R410A-IOM-0708-E Page 66...
- Page 68 VENTILATION: AIRFLOW BALANCING ROOF TOP & EXHAUST ROOF CURB AT15-11G2L BALTIC R410A-IOM-0708-E Page 67...
- Page 69 VENTILATION: AIRFLOW BALANCING EXHAUST ROOF CURB AT10-10S BALTIC R410A-IOM-0708-E Page 68...
- Page 70 VENTILATION: AIRFLOW BALANCING EXHAUST ROOF CURB AT10-8G2L BALTIC R410A-IOM-0708-E Page 69...
- Page 71 VENTILATION: AIRFLOW BALANCING EXHAUST ROOF CURB AT10-10G2L BALTIC R410A-IOM-0708-E Page 70...
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Page 72: Filters
VENTILATION: FILTERS 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. 43 The CLIMATIC controller can monitor the pressure drop across the filter (If option fitted) The following set points can be adjusted depeding on the installation. -
Page 73: Fan Starter
VENTILATION: FANSTART AIR SOCK CONTROL Menu Press the Button “Mode” to enter and exit menus The Vertical arrows allow to seek each options The “Enter” button allow to select a menu or a parameter to modify it, it also allows to validate it once modified Quick Setting Press the mode button and enter the quick menu “AUF”... -
Page 74: Hot Water Coils
HEATING: HOT WATER COIL HYDRAULIC CONNECTIONS FREEZE PROTECTION The hot water coil is fitted with a three way proportional valve 1) Glycol for freeze protection. and two isolating shut off valves. Two spanners must be Check the hydraulic system contains Glycol for protection used to tighten the connections. - Page 75 HEATING: HOT WATER COIL Connection HWC B box Connection HWC C box Connection HWC D box Connection HWC E box Fig. 46 Pipe Internal Diameters (DN) B020 B030 B035 B045 B055 B065 B075 AXIMUM ORKING RESSURE BARS : 110°C AXIMUM WORKING TEMPERATURE BALTIC R410A-IOM-0708-E Page 74...
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Page 76: 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 77 HEATING: GAS BURNER PRELIMINARY CHECKS BEFORE START-UP STARTING UP THE GAS BURNER NOTE : Fig. 48 ANY WORK ON THE GAZ SYSTEM MUST BE CARRIED OUT BY QUALIFIED PERSONNEL. THIS UNIT MUST BE INSTALLED IN ACCORDANCE WITH LOCAL SAFETY CODES AND REGULATIONS AND CAN ONLY BE USED IN PLANED INSTALLATION CONDITIONS FOR OUTDOOR.
- Page 78 HEATING: GAS BURNER Standard start-up Chronology Time in seconds Operations Control operation sequence Extraction fan Smoke extraction fan "ON" 30 to 45 seconds pre- Ventilation Fire-up spark electrode 4s Opening of the gas valve "High Heat" Flame propagation towards the ionisation probe If Ionisation within 5sec: Normal running Otherwise fault on gas...
- Page 79 HEATING: GAS BURNER PRESSURE ADJUSTMENTS ON HONEYWELL Fig.51 PRESSURE REGULATING VALVE TYPE VK 4105 Pressure regulator adjustment with 300mbar gas supply: High Heat Injection Pressure Checks Place the tube of the “accurate” Manometer to the OUT port on the Gas injector support bar after having loosened the screw by one turn.
- Page 80 HEATING: GAS BURNER Low Heat Injection Pressure Checks Switch the control to Low Heat Valve electrical control Check and adjust if necessary the Outlet pressure to 3.5 mbar (G20) or 5 mbar for Groningue(G25) & 14 mbar for propane (G31)(fig.54) Fig.
- Page 81 HEATING: GAS BURNER BURNER SAFETY CHECKS Ionisation Probe test 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 82 HEATING: GAS BURNER GAS BURNER FIRE-UP SEQUENCE Fig. 60 Operation from control Thermostat GAZ =Closed Supply Thermostat Limit? (Auto Reset) Gas Low Pressure switch? Gas Ignition Control Block Signal Extraction Fan ON AIR Pressure Switch ON Backfire Thermostat ON? Pre-Ventilation 30 seconds Gas Control Fire-up Electrode 4s Valve Closes...
- Page 83 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 84 HEATING: GAS BURNER DISASSEMBLING THE GAS BURNER FOR Disassembling the flue Electrically disconnect the fan and remove the screws MAINTENANCE PURPOSES holding it in place. Take care not to loose any cage nuts in the smoke box. Preliminary Safety Recommendations ...
- Page 85 HEATING: GAS BURNER MODULE-GAZ-20KW-B-BOX Fig. 67 MODULE-GAZ-33KW-B-BOX Fig. 68 BALTIC R410A-IOM-0708-E Page 84...
- Page 86 HEATING: GAS BURNER MODULE-GAZ-20KW-C-BOX Fig. 69 MODULE-GAZ-46KW-C-BOX Fig. 70 BALTIC R410A-IOM-0708-E Page 85...
- Page 87 HEATING: GAS BURNER MODULE-GAZ-33KW-D-BOX Fig. 71 MODULE-GAZ-60KW-D-BOX Fig. 72 BALTIC R410A-IOM-0708-E Page 86...
- Page 88 HEATING: GAS BURNER MODULE-GAZ-60KW-E-BOX Fig.73 MODULE-GAZ-120KW-E-BOX Fig. 74 BALTIC R410A-IOM-0708-E Page 87...
- Page 89 HEATING: MODULATING GAS BURNER Actuator screw MODULATING GAS (UNDER PATENT INPI Mai 2004) Maximum opening of the actuator The actuator Bearing surface of the actuator’s screw Minimum opening of the actuator Fig. 77 Fig. 75 STARTING UP THE GAS BURNER Purge the pipe-work near the connection on the ignition control Valve for a few seconds.
- Page 90 HEATING: MODULATING GAS BURNER PRESSURE ADJUSTMENTS ON HONEYWELL Fig.81 PRESSURE REGULATING VALVE TYPE VK 4105 G Pressure regulator adjustment with 300mbar gas supply: High Heat Injection Pressure Checks Place the tube of the “accurate” Manometer to the OUT port on the Gas injector support bar after having loosened the screw by one turn.
- Page 91 HEATING: MODULATING GAS BURNER Pressure adjustments table for each type of gas (mbar) Low Heat Injection Pressure Checks Switch the control to Low Heat Supply Low Heat High Heat Category pressure Injection mini. Injection Check and adjust if necessary the Outlet pressure to 1.5 mbar minimum (G20) (or 2.25mbar for G25) (fig.85) 20.0 +/- 1 1.5 +/- 0.03...
- Page 92 HEATING: MODULATING GAS BURNER BURNER SAFETY CHECKS Idem non-modulating gas burner GAS BURNER TROUBLESHOUTING Idem non-modulating gas burner. If the valve’s flow is not correct, check the operation of the actuator and of the mechanical assembly. Replace the actuator if necessary DISASSEMBLING THE GAS BURNER FOR MAINTENANCE PURPOSES Idem non-modulating gas burner MODULATING-GAZ-46KW-C-BOX...
- Page 93 HEATING: MODULATING GAS BURNER MODULATING-GAZ-120KW-E-BOX Fig. 89 BALTIC R410A-IOM-0708-E Page 92...
- Page 94 CLIMATIC 50 – ROOFTOP – VERSION 23 TABLE OF CONTENTS Page WIRING CONNECTIONS Important warning ....................94 Connection ......................94 Sensors and probes ...................94 DS 50 Display .....................94 DC 50 or DM 50 display (remote connection) ............95 Connection on DT 50 derivator ................95 Ferrites protection of display................96 DM 50 and Master/Slave communication ............96 BMS communication...
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Page 95: Wiring Connections
For any modification of wiring on the 24V supply or on 4-20mA sensor, check the polarity prior to apply the power. Wrong polarity may cause serious damage and destroy the Plan network. Lennox will not accept liability for damage caused by wrong power connection or any wiring modification done by people without valid training and qualifications. -
Page 96: Dc 50 Or Dm 50 Display (Remote Connection)
Cable length up to 500m: LiYCY-P (0.34 mm ²), 2 pairs with general shield. The cable length should not exceed 500m. For a better electromagnetic protection, Lennox recommends the use of LiYCY-P cable Connection on DT50 Derivator DT50 DC50 / DM50 Terminal Connection Board Installation Guide DT 50 The board is fitted with three "telephone"... -
Page 97: Ferrites Protection Of Display
Ferrites Protection of Display To avoid the appearance of disturbances HF, which can cause the destruction of components in the displays, you must equip the cable with a ferrite when installing it (provided by Lennox). DM50 and Master/Slave Communication The intercard bus (pLan) is connected to Climatic™ on the J11 connector of board BM50. -
Page 98: Bms Communication
Cable length up to 300m: AWG22 (0.34 mm ²), 2 pairs crossed with screen. Cable length up to 1000m: LiYCY-P (0.34 mm ²), 2 pairs with general shield. The cable length should not exceed 1000m. For a better electromagnetic protection, Lennox recommends the use of LiYCY-P cable BALTIC R410A-IOM-0708-E Page 97... -
Page 99: Customized Input/Output
5 digital outputs NC or NO 6 digitals inputs 4 analogical inputs (4-20mA or Lennox NTC temperature probe) Description The following functions can be configured: Digital Outputs Nc or No – Dry Contacts The following items can be used for each output: [Not Used.] ...... -
Page 100: Analog Inputs
The 4-20mA signal sent to the unit is linearly converted using a 0% to 100% range, this measure will replace the one given by the unit sensor. Free Temperature Probe Connection: Lennox NTC sensor. Free Relative Humidity Sensor Connection: The 4-20mA signal sent to the unit is linearly converted using a 0% to 100% range. -
Page 101: Scheduling - Clock Setting
CLIMATIC 50 – ROOFTOP – VERSION 23 SCHEDULING – CLOCK SETTING Scheduling Function Controlling operation of the unit according to the time and day Description CLIMATICTM 50 can handle 4 time zones over the 7 days of the week: Zone unoccupied (Night) Zone A (Day A) -
Page 102: Buttons
CLIMATIC 50 – ROOFTOP – VERSION 23 DC50 COMFORT & DM50 MULTI CUSTOMER DISPLAY Function This display is connected remotely; it is intended for users with no technical knowledge. This display gives access to general operating data of the unit; it does not give access to detailed operating data. It can be used to set or change the programming of the various time periods and the temperature set point for each period. -
Page 103: Functions With Dm50
CLIMATIC 50 – ROOFTOP – VERSION 23 Sdc.2 The Sdc.2 screen appears. If after 5 seconds the display is not correct; Return to the configuration mode by pressing buttons simultaneously for at least 5 seconds until the Sdc.1 screen appears. ... -
Page 104: Clock Menu
CLIMATIC 50 – ROOFTOP – VERSION 23 Sdc.4 Screen Sdc.4 is used to change the override values The present time period is shown on the 2nd line. This period will remain fixed for 3 hours. t o position the cursor over the ‘Room SP’ line Press ... -
Page 105: Alarms
CLIMATIC 50 – ROOFTOP – VERSION 23 Sdc.7 From the Sdc.6 screen; press the ‘Prg’ button Screen Sdc.7 displays the period settings. Position the cursor over period A set the start time for period A and confirm with button With button Position the cursor over period B. -
Page 106: Start/Stop
CLIMATIC 50 – ROOFTOP – VERSION 23 Start/stop Sdc.3 From the main screen, press the button The Sdc.12 screen appears. Sdc.12 To stop the unit: s et the value to ‘Yes’ and confirm with button With button The unit stops and the Sdc.13 screen appears WARNING: Switching off the unit disables all the safety devices... -
Page 107: Bms Address Tables
CLIMATIC 50 – ROOFTOP – VERSION 23 BMS ADRESS TABLES ModBus, Trend, BACnet & Carel Logical @ (hexa) @ (deci) DS50 R/W L [On / Off] Unit 3111 R/W L [Reset] Discharges the safety measures of the unit 3112 [Enable] Stopping and running of the Fan Blower.[Off] the blower is stopped, [On] the 3351 R/W L blower is running. - Page 108 CLIMATIC 50 – ROOFTOP – VERSION 23 @ (hexa) @ (deci) DS50 R/W L not used R/W L not used R/W L not used L [Alarm] General 1000 L [On/Off] Fan, Blower 2315 L [On/Off] Fan, Extraction 2321 L [On/Off] Compressor, 1 2516 L [On/Off] Compressor, Heat pump, 1 2517...
- Page 109 CLIMATIC 50 – ROOFTOP – VERSION 23 Analogical @ (hexa) @ (deci) DS50 [ BMS ] Activation of the control by a computer or an automat - mode R/W 1 = 1 s BMS is activated if this value is different from zero, This value is 3934 decreased every second [Occupation][Room SP] Required maximum room temperature in °C.
- Page 110 CLIMATIC 50 – ROOFTOP – VERSION 23 @ (hexa) @ (deci) DS50 10 = 1.0°c [Temperature] Supply 2113 10 = 1.0°c [Temperature] Return 2114 10 = 1.0% [Relative Humidity] Room 2122 10 = 1.0 g/Kg [Absolute Humidity] Room 2124 10 = 1.0% [Relative Humidity] Outdoor 2121 10 = 1.0 g/Kg [Absolute Humidity] Outdoor...
- Page 111 CLIMATIC 50 – ROOFTOP – VERSION 23 @ (hexa) @ (deci) DS50 [Alarm] bit.0 = Probes & Sensors bit.1 = Fan, Blower bit.2 = Low Temperature, Condenser Water bit.3 = High Temperature, Condenser Water bit.4 = Flow Switch, Condenser Water bit.5 = Smoke Detector bit.6 = Fans, Condenser …...
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Page 112: Lonworks
CLIMATIC 50 – ROOFTOP – VERSION 23 LonWorks Index Type Name NV Type NV Direction DS50 1 I_Sp_T_Cool_BMS 105 input [Occupation][Room SP] Required maximum 3322 room temperature in °C. Cooling set point (BMS) 1 O_Sp_T_Cool_BMS 105 output 2 I_Sp_T_Heat_BMS 105 input [Occupation][Room SP] Required minimum 3323 room temperature in °C. - Page 113 CLIMATIC 50 – ROOFTOP – VERSION 23 Index Type Name NV Type NV Direction DS50 18 O_Od_Blower 95 output [On/Off] Fan, Blower 2315 19 O_Od_Comp_1 95 output [On/Off] Compressor, 1 2516 20 O_Od_CPac_1 95 output [On/Off] Compressor, Heat pump, 1 2517 21 O_Od_Comp_2 95 output...
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Page 114: Error Codes
CLIMATIC 50 – ROOFTOP – VERSION 23 ERROR CODES Circuit 1, Temperature sensor, Water condenser "Airflow" Outlet Circuit 2, Temperature sensor, Water condenser Filters, Clogged up Outlet Filters, Missing Temperature sensor, return or Mixing air Recovery Module , Filters, Clogged up Blower Electric heating elements Circuit 1, Condenser fan... - Page 115 PRINCIPLE SKETCHES Compressor -MG2 high pressure Condenser coil Filter drier safety switch Compressor -MG1 low pressure MC1 - Hot water coil Condenser - MC1 - MC2 fan motor safety switch Compressor -MG2 low pressure MG1 - BEV1 Evaporator coil Compressor safety switch BT12 Blower temperature sensor...
- Page 116 PRINCIPLE SKETCHES BAH 035 to 055 dual circuit BAC 035 to 055 dual circuit BALTIC R410A-IOM-0708-E Page 115...
- Page 117 PRINCIPLE SKETCHES BAH 065 to 075 dual circuit EQUALIZING LINE EQUALIZING LINE PIPE DIAMETERS BAC 065 to 075 dual circuit EQUALIZING LINE PIPE DIAMETERS BALTIC R410A-IOM-0708-E Page 116...
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Page 118: Hot Water Coil Diagram
HOT WATER COIL DIAGRAM NOTA: * Maximum supply pressure: 8bar * Maximum temperature: 110°C DN20 : Model size 20 30 35 DN25 : Model size 45 55 65 75 BALTIC R410A-IOM-0708-E Page 117... -
Page 119: Maintenance Diagnostic
MAINTENANCE DIAGNOSTIC REFRIGERATION 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 120 MAINTENANCE DIAGNOSTIC If the circuit pressure is higher (<1bar) than the saturated pressure corresponding measured outdoor temperature, there possibility that some contaminants are present in Moisture or contaminants in the system the system. HP PROBLEMS AND Reclaim the refrigerant, and vacuum the circuit HP CUT OUTS (Ensure very low and slow vacuum for R407c) Recharge the unit...
- Page 121 MAINTENANCE DIAGNOSTIC ELECTRIC HEATER FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION Measure and estimate the airflow and pressure Low airflow rate compare with specification from customer. High Temperature trip Check that the Klixon, is positioned in the airflow, out on electric heater Incorrect position of the Klixon relocate Klixon if necessary Check that there is no heat transfer from the...
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Page 122: 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 123 MAINTENANCE PLAN Task Operating mode Replace filters with new ones if disposable. Vacuum clean or blow the dirt. Wash and dry carefully. Replace media if necessary Clean or replace filters: Disposable, Blocked filter will reduce the performance of the or metal frame. unit.
- Page 124 MAINTENANCE PLAN Task Operating mode Check the fan blades conditions and all fan Check outdoor fans and fan guards guards and protections Check the good positioning and operation of all Check position of all sensors sensors of all sensors. Check the values given in the control system.
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Page 125: Warranty
ANTI-CORROSION WARRANTY 10 year warranty terms and conditions for corrosion to the Rooftop casing: Lennox shall guarantee the casing of its Rooftop units manufactured since May 1991 against corrosion for 10 years commencing from the date of delivery of the material. -
Page 126: Certificates
CERTIFICATES BALTIC R410A-IOM-0708-E Page 125... - Page 127 CERTIFICATES BALTIC R410A-IOM-0708-E Page 126...
- Page 128 CERTIFICATES BALTIC R410A-IOM-0708-E Page 127...
- Page 129 CERTIFICATES BALTIC R410A-IOM-0708-E Page 128...
- Page 130 CERTIFICATES – G4 FILTERS BALTIC R410A-IOM-0708-E Page 129...
- Page 131 CERTIFICATES – F7 FILTERS BALTIC R410A-IOM-0708-E Page 130...
- Page 132 CERTIFICATES – CLIMAVER 202 BALTIC R410A-IOM-0708-E Page 131...
- Page 133 CERTIFICATES – CLIMAVER 274 BALTIC R410A-IOM-0708-E Page 132...
- Page 134 CERTIFICATES BALTIC R410A-IOM-0708-E Page 133...
- Page 135 CERTIFICATES BALTIC R410A-IOM-0708-E Page 134...
- Page 136 CERTIFICATES BALTIC R410A-IOM-0708-E Page 135...
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Page 137: Baltic R410A-Iom-0708-E
Due to Lennox’s ongoing commitment to quality, the Specifications, Ratings and Dimensions are subject to change without notice and without incurring liability. Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury. Installation and service must be performed by a qualified installer and servicing agency.