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HEAT RECOVERY

e-BALTIC-IOM-2020.12-EN

ELECTRICAL CONNECTIONS OF THE HEAT RECOVERY UNIT

Two components have to be connected in the space between the plate heat exchanger and the economizer:

•

For the air pressostat, connect and tighten the 2 spade-
tips on

terminal 1 and 3 (no polarity) :

•

For the actuator, assembly the two parts of the
connector:

Содержание e-Baltic D BOX 55

Страница 1: ...e BALTIC IOM 2020 12 EN e Baltic Air cooled rooftop packaged units Installation Operating and Maintenance...

Страница 2: ...A FLAMMABLE GAS UNIT 13 RECEPTION CONTROLS FOR A FLAMMABLE GAS UNIT 13 SAFETY AREA 14 INSTALLATION ON A FLAMMABLE GAS UNIT 14 POWERING UP A UNIT CONTAINING FLAMMABLE GAS 15 ELECTRIC WIRING ON A UNIT...

Страница 3: ...7 CLIMATIC CONFIGURATION 58 FRESH AIR WOOD 60 INSTALLING 60 WIND DIRECTION 60 FILTERS 61 FILTER REPLACEMENT 61 REFRIGERANT CIRCUIT 62 GENERIC REFRIGERANT SKETCH 62 PREHEATING OF THE CRANKCASE HEATERS...

Страница 4: ...ing pressure equipment directive must follow the local regulations where the unit is installed Commissioning monitoring periodic verification and requalification obligations may be made mandatory in s...

Страница 5: ...house gases F Gas Regulation on substances that deplete the ozone layer Non compliance with these requirements is an offence and liable of financial penalties Moreover in case of problem it is mandato...

Страница 6: ...ANUAL IS ONLY VALID FOR UNITS DISPLAYING THE FOLLOWING CODES GB IR GR DA NO FI IS In case these symbols are not displayed on the unit please refer to the technical documentation which will eventually...

Страница 7: ...uit in the open position ahead of the machine If the work is interrupted check the lock before resuming the work WARNING Even if the unit has been switched off the power circuit remains energized unle...

Страница 8: ...78 2016 2006 42 EC Machine Directive Directive 2014 35 EU relating to low voltages taken into account in the machinery directive according to Annex 1 1 5 1 o EN 60204 1 2014 30 EU EMC Directive o EN 6...

Страница 9: ...y filters Don t walk Don t strap Warning main switch supplied from bottom EUROVENT certification Gravity center Protection by water filter mandatory Protection by strainer filter mandatory Transport o...

Страница 10: ...iping to avoid a water hammer phenomenon 6 For technical reasons it is not possible to carry out hydrostatic tests on all our units Our rooftops are hermetically sealed products according to the defin...

Страница 11: ...m under pressure shall be carried out using equipment designed for this purpose and suitable for the refrigerant contained in the rooftop To prevent the risk of explosion due to spraying of coolant an...

Страница 12: ...to 80 km h Above this limit it s recommended to take appropriate actions to secure the installation Ensure the fresh air inlet does not face prevailing wind direction COMMISSIONING It must only be car...

Страница 13: ...p power is the maximum value likely to be achieved for the specified operational voltage The customer must have a suitable electrical supply It is therefore important to check whether the supply volta...

Страница 14: ...BOX E F G H BOX Heating mode Cooling mode Outdoor air temperature C Coil indoor inlet temperature C Heating mode Cooling mode Outdoor air temperature C Coil indoor inlet temperature C PRE HEATER OR FR...

Страница 15: ...place This allows you to open the panels for maintenance and installation work The locks are turn then tighter CONDENSATE DRAINS The condensate drains are not assembled when delivered and are stored i...

Страница 16: ...isk of a flammable gas leak and that this should be taken into account in the operational risk analysis TRANSPORT OF A FLAMMABLE GAS UNIT Machines loaded with A2L refrigerant must comply with the ADR...

Страница 17: ...of products charged with R32 fluid and train his personnel on the good practices to be adopted for a safe use For particular uses or installations that do not comply with the assumptions of clearance...

Страница 18: ...erant The vacuum pump must be fitted with a non return valve or a solenoid valve and comply with R32 A2L Pressure gauges and pipes suitable for refrigerant R32 must be used Use only pipe cutters and n...

Страница 19: ...R Calibration gas Group Measuring range Relative density R32 FR08 2080 02 R407c CFC 20 2000 ppm 1 8 bar WARNING Connecting the 24 V fieldbus voltage to terminal X7 of the local bus can destroy the boa...

Страница 20: ...mode screen appears press ENTER Enter the password 1234 with the arrows only and confirm with ENTER Switch the mode service to ON ENTER arrow ENTER to confirm The buzzer beeps Use the arrows to go to...

Страница 21: ...e 6 7 2 mA 7 Fault4 Fault detected 6 7 2 mA 7 Fault4 Processor failure 1 mA OFF Fault4 Bump test LED Analog output Power Relay Power Alarm Default Alarm Default Normal operation 2 4 20 mA1 3 OK5 Press...

Страница 22: ...HANDLING e BALTIC IOM 2020 12 EN 19 HANDLING MANDATORY HANDLING DEVICES Vacuum lifting beam to position the unit Handling slings to guide the unit towards the roofcurb COMPLIANT NON COMPLIANT...

Страница 23: ...ts without any options All weights are given in kg 5 Individual weight of a given rooftop is indicated on the rating plate and on the sale s offer For each product to be lifted check in advance the co...

Страница 24: ...it Maximum diameter of the ring shaft 20 mm UNITS C D E E The unit must be lifted using spacing beams to avoid the belts damages to the casing Spacing beams must have a length equal to the machine wid...

Страница 25: ...t on the refrigeration side on Roofcurb DUCTING CONNECTION DETAILS C D E E The supply and return air ducts can be secured to the 30 mm flanges at the bottom of the roofcurb Any ducting weight above 10...

Страница 26: ...lifting REMOVING THE FORKLIFT PROTECTION LOCATED UNDER THE MACHINE Units C D E E Before installation remove the forklift protection which is located under machine desk IMPORTANT note about forklift pr...

Страница 27: ...tacles which could hinder the flow of air to the condensers Avoid installing two units side by side or close to each other as this may restrict the airflow to the condensers Uneven surfaces are prohib...

Страница 28: ...aust In case of extraction option it is recommended to duct fresh air intake An approach ramp must be installed if the unit s installation requirements tell that it s necessary to reach the main switc...

Страница 29: ...ECTIONS Some rules must be respected for the connections between ducts and unit Whatever the supply configuration is respect a minimal duct s length D of 2m before any elbow or any duct s diameter cha...

Страница 30: ...mmended to sheath the exhaust air by at least 8m according to local regulations to escape the fresh air inlet when the input output are on the same side General remarks It is forbidden to walk on the...

Страница 31: ...TICAL CUSTOMER WIRING C D E E BOX 1 Remove the indicated plate Drill the sheet metal to the diameter of the cable glands It is recommended to use only one cable per cable gland 2 Place the cable gland...

Страница 32: ...onnect the power cable to the main switch can be limited Therefore a removable hatch is available at the back of the control board accessible from the ventilation panel When the cable connection is fi...

Страница 33: ...INSTALLATION e BALTIC IOM 2020 12 EN 30 WIRING WITH ROOFCURB WITHOUT EXTRACTION WIRING WITH ROOFCURB WITH EXTRACTION HORIZONTAL CUSTOMER WIRING ON C D E E BOX...

Страница 34: ...aced on feet Do not install the unit on mounts fixed or antivibration other than those provided by LENNOX First remove the 4 transport feet and the 2 sheaths when the e BALTIC unit is lifted Place the...

Страница 35: ...INSTALLATION e BALTIC IOM 2020 12 EN 32 Complete the tightening of the feet screws Connect the unit by the bottom as vertical wiring...

Страница 36: ...tal cable glands in front under the electrical cabinet 1 Remove the indicated plate 2 Drill the sheet to the diameter of the cable glands It is recommended to use only one cable per cable gland WARNIN...

Страница 37: ...WARNING a multidirectionnal flowcurb and horizontal extraction flowcurb must be secured to the ground using existing fixing holes on the frame WARNING a roofcurb must be strongly secured to the groun...

Страница 38: ...adjustable returns are facing outward They are usually turned inside out for transport If H 430mm and 10 Position in position A If H 430 or 10 Position in high position B Place the roof mounting frame...

Страница 39: ...ent make sure that seals are not damaged and check that the unit is secured to the mounting frame Once in position the bottom of the equipment must be horizontal The installer must comply with local a...

Страница 40: ...ame can be installed directly on decks having adequate structural strength or on roof supports under deck NOTE frame assembly must be installed flat leveled within 5mm per linear meter in any directio...

Страница 41: ...weld corner of frame Measure frame diagonally from corner to corner as shown above These dimensions must be equal in order for the fame to be square It is extremely important to sight frame from all...

Страница 42: ...NG C D E E Stick large foam pieces underneath the flat top FOAM GASKET INSTALLING C D E E Stick gasket all around the curb flange s top ELECTRICAL CONNECTION The extraction curbs are fitted with an ex...

Страница 43: ...thermodynamic heat recovery module included in the machine Its main interests are a variable fresh air rate from 25 to 100 a high COP in winter when pre heating the fresh air due to a favorable evapor...

Страница 44: ...side doors b Make sure that the foam is not damaged 20x15 mm 4 Install the rooftop and remove the lifting covers 5 Place the two upper mounting bars through the two top slots 6 Install the heat recov...

Страница 45: ...HEAT RECOVERY UNIT Two components have to be connected in the space between the plate heat exchanger and the economizer For the air pressostat connect and tighten the 2 spade tips on terminal 1 and 3...

Страница 46: ...tion o Power the unit o Check the configuration of the CLIMATIC with the DS in expert mode Flow rate settings Make sure that both supply and exhaust air flow are balanced See section EBHO or ERVF Bala...

Страница 47: ...OVERY CONTROL CONFIGURATION Configuration of CLIMATIC with the DS in expert mode for TRMO with a modulating exhaust fan 3813 RECOV Comp for TRMO 3815 EXHAUST Modulate for both ERVF EBHO 3816 KIT 3817...

Страница 48: ...and remove the side doors b Make sure that the foam is not damaged 20x15 mm 4 Install the rooftop and remove the lifting covers 5 Place the two upper mounting bars through the two top slots 6 Install...

Страница 49: ...6 ENERGY RECOVERY INSTALLATION ON UNITS F G H BOX SIZE DIMENSIONS mm WEIGHT A B C D E F F box 100 120 2146 2063 1422 367 1796 900 525 kg G box 130 150 2330 2247 1518 463 2170 900 635 kg H box 180 210...

Страница 50: ...HEAT RECOVERY e BALTIC IOM 2020 12 EN 47 STEP 1 SUPPLIED ROOFTOP CONFIGURATION STEP 2 LIFTING NO HOOD NO PANEL Remove lifting lug Remove corner sheet metal 4 x...

Страница 51: ...HEAT RECOVERY e BALTIC IOM 2020 12 EN 48 STEP 3 FITTING STEP 4 CHECK 0 15 mm SAME LEVEL...

Страница 52: ...HEAT RECOVERY e BALTIC IOM 2020 12 EN 49 STEP 5 FIXING H box for each side F G box for each side 5 10 mm F 8 G 8 X 4 8 x 25 mm H 10 x 4 8 x 32mm...

Страница 53: ...HEAT RECOVERY e BALTIC IOM 2020 12 EN 50 On top STEP 6 MASTICATE F 13 G 15 H 15 X 4 8 x 25 mm Apply mastic on side junctions and higher junction...

Страница 54: ...wer cable and a T lan cable MODBUS CABLE POWER CABLE Separate these 2 cables communication and power ones using the two holes Communication and power cables from the module should be separated Then at...

Страница 55: ...please refer to Rooftop and Recovery Module electrical diagram Then connect the power cable from the module to the rooftop and the Modbus cable according to the bus connection wiring diagram it could...

Страница 56: ...Heat Recovery module option the extract air goes through the wheel that s why the economizer of the roofcurb has to be permanently fully closed If roofcurb economizer is not fully closed close it man...

Страница 57: ...from ventilation nozzles air flow coming from the flush mounting box differential temperature caused by external wall NOTE CO2 measurement causes a current peak to the supply voltage This can produce...

Страница 58: ...ssembly the gravity exhaust dampers relieve the pressure when outside air is introduced into the system When large amount of fresh air is introduced into the system power exhaust fans can be used to e...

Страница 59: ...rtificates are compliant with the local regulation CASING CONDENSATION RISK Depending of the ambient outdoor conditions and the supply air performance of the unit some condensation on the outside skin...

Страница 60: ...They should therefore all turn in either the right or wrong direction WARNING a compressor rotating in the wrong direction will fail shortly If one of the components rotates in the wrong direction di...

Страница 61: ...robe selection a Select the regulation probe DC Return Customer etc in the Room Temp Config screen 5 Regulation humidity sensor selection optional a Select the regulation sensor Remote Customer in the...

Страница 62: ...Refer to gas burner chapter d Electrical Fresh air pre heaters Test H2 1 Full i Check supply temperature ii Check electrical consumption e Hot water eRecovery heaters Test H2 1 Full i Check supply tem...

Страница 63: ...fume hoods in a safe place without risk of aspiration of dust grease gas and hazardous materials WIND DIRECTION The prevailing wind has to be considered while choosing the machine position on the buil...

Страница 64: ...he actual pressure drop measured across the coil can be read on the Climatic Display DS in menu 2332 The following faults may be identified Fault code 1 Blower Flow Switch Cut Off if measured P across...

Страница 65: ...The specific principle diagram is at the end of the electrical diagram supplied with the unit Some connection valves Schrader type are available to load unload the circuit D E BOX BEV Indoor coil BS T...

Страница 66: ...20 12 EN 63 E F BOX BEV Indoor coil BS Temperature sensor YP Expansion valve CA Check valve FD Filter dryer BCD Outdoor coil B Low High pressure switch YV Cycle reversal valve MG Compressor VAM Manual...

Страница 67: ...TIC IOM 2020 12 EN 64 G BOX BEV Indoor coil BS Temperature sensor YP Expansion valve CA Check valve FD Filter dryer BCD Outdoor coil B Low High pressure switch YV Cycle reversal valve MG Compressor RL...

Страница 68: ...TIC IOM 2020 12 EN 65 H BOX BEV Indoor coil BS Temperature sensor YP Expansion valve CA Check valve FD Filter dryer BCD Outdoor coil B Low High pressure switch YV Cycle reversal valve MG Compressor RL...

Страница 69: ...8 hours minimum before to start the compressors equipped with crankcase heaters ELECTRONIC EXPANSION VALVE Different electronic valves types can be fitted on e Baltic range D BOX E BOX E BOX F BOX G B...

Страница 70: ...the system Adjust the control for Heating by reducing the simulated ambient temperature down to 10 C Check that the red indicators located under the valve actuator are moving correctly with the signal...

Страница 71: ...ATER COIL CONNECTION PIPE INTERNAL DIAMETERS DN D BOX E BOX E BOX F BOX G BOX H BOX Model designation 055 065 075 085 095 150 110 120 130 150 180 210 S 25 32 32 H 40 40 40 32 40 40 MAXIMUM WORKING PRE...

Страница 72: ...e E BOX Standard heat 27kW 2 stages High Heat Fully modulating 54 kW Size F BOX Standard heat 30 kW 2 stages Medium Heat 54 kW Fully modulating Triac High Heat 72 kW Fully modulating Triac Size G BOX...

Страница 73: ...ater is running only with high fresh air rate under low outdoor ambient temperature see setpoint in CLIMATIC section A metallic filter is installed between air filter electrical resistance to protect...

Страница 74: ...learance must be left in front of the burnt gas exhaust flue Combustion air inlet and burnt gas exhaust s must not be obstructed in any way Depending on the operating conditions prevailing winds it ma...

Страница 75: ...telephones or any other object or device that could produce sparks Immediately open doors and windows to create an air flow to vent the gas out of the room Close the gas valves Call for qualified staf...

Страница 76: ...I 441 Safety probe The PREMIX Technology NO AIR NO GAS WORKING CYCLE Heat is required Burner fan starts to pre wash combustion chamber and gas valves open to gas feed pilot burner Start up electrode g...

Страница 77: ...HEATING OPTION e BALTIC IOM 2020 12 EN 74 CONNECTIONS LECTRIQUES WARNING It is mandatory to have earth connection POWER SUPPLY 2 PE R 50Hz 400V...

Страница 78: ...m and gas valves checking after a short period for any pressure drop on the pressure gauges Always connect the module with a ball valve and anti vibration flexible gas joint Gas supply pressure adjust...

Страница 79: ...e are no leaks use a soapy solution or equivalent product do not use open flames Check that electrical connections indicated in electrical diagrams attached to the unit Check that efficient earthing c...

Страница 80: ...of the pilot burner 2 Inspection of fume exhaust and air intake ducts Visually inspect where possible or examine with specific tools to learn the status of the ducts Remove dust that forms on the air...

Страница 81: ...IL C D E E BOX Heat recovery water coil is delivered with a 3 ways valve inside carton to be assembled on site by installer The freeze protection is made via fresh damper safeties nevertheless for a f...

Страница 82: ...ptable 15 C Delta T 25 C too high If too high check the coils are clean or check coil internal pressure drop between the liquid line and the suction line Good if 3bar Too high 3 bar coil blocked Refri...

Страница 83: ...the circuit For flammable refrigerant please follow the procedure described in the manual Recharge the unit Check the condenser coil and clean is necessary Recycled Hot Air Check clearance around the...

Страница 84: ...rotation speed of the fan OUTDOOR AXIAL FAN FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION Circuit breaker open High Amps due to a low voltage from the main supply Check the voltage drop when all componen...

Страница 85: ...seals and flanges in the fresh air hood Reduce the airflow rate if necessary CLIMATIC DISPLAYS FAULT POSSIBLE CAUSE AND SYMPTOMS SOLUTION Nothing is written on the screen but it s enlightened Possible...

Страница 86: ...mmended to follow such a plan to keep a rooftop unit in good working order Regular maintenance of your rooftop will extend its operating life and reduce operating faults Symbols and Legend Operation w...

Страница 87: ...the nominal value given in the electrical wiring diagram Check the status of the fan blades and its protections Check for the Amps consumed Check for the Amps consumed on all three phases compare wit...

Страница 88: ...Check economizer actuator operation Check all fixings and transmission Stop the unit using the control The fresh air damper must close Start the unit the fresh air damper should open Make a forced op...

Страница 89: ...gas fume combustion levels Do a combustion analysis Refer to local regulation if it exists Check casing and equipment corrosion To treat and neutralize eventual rust spots Check the water tightness of...

Страница 90: ...ject to the same conditions We recommend for a contract four inspections per year every three months before the start of each season in order to check the operation of the equipment in the various ope...

Страница 91: ......

Страница 92: ...Headquarters LENNOX EMEA 7 rue des Albatros Z I Les Meuri res 69780 Mions France 33 0 810 502 502 www lennoxemea com brand of LENNOX EMEA...

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