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SOMMAIRE

AIR COOLED, WATER COOLED CHILLERS AND

SPLIT UNITS

INSTALLATION

OPERATION

MAINTENANCE MANUAL

Ref :

CHILLER-IOM-2004-E

The present manual applies to the following chiller versions:

NEOSYS range: NAC-NAH
HYDROLEAN range: SWC-SWH-SWR
MWC range: MWC-MRC

INSPECTIONS AND REQUALIFICATION ACCORDING 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
some countries. Please refer to it when installing the equipment.

Our company is a member of the Eurovent Certification Program, all LENNOX chillers are tested
and rated in accordance with Eurovent certification program

Our products comply with the European standards

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 used (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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Содержание HYDROLEAN

Страница 1: ...INSTALLATION OPERATING AND MAINTENANCE CHILLER IOM 2004 E AIR COOLED CHILLERS NEOSYS WATER COOLED CHILLERS HYDROLEAN MWC NEOSYS HYDROLEAN MWC 20 1000kW ...

Страница 2: ......

Страница 3: ...ualification obligations may be made mandatory in some countries Please refer to it when installing the equipment Our company is a member of the Eurovent Certification Program all LENNOX chillers are tested and rated in accordance with Eurovent certification program Our products comply with the European standards All the technical and technological information contained in this manual including an...

Страница 4: ...ONS 26 3 HYDRAULIC SYSTEM INSTALLATION CHECKS NEOSYS 26 4 INSTALLATION OF EXTERNAL HYDRAULIC COMPONENTS FOR HYDROLEAN AND MWC 26 5 HYDRAULIC CONNECTIONS AND OPTIONS FOR HYDROLEAN AND MWC 28 6 CHECK LIST BEFORE START UP 29 7 MASTER SLAVE CONFIGURATION 2 UNITS OR MORE 30 8 COMMISIONING 30 OPERATION 31 1 OPERATING LIMITS 31 2 CLIMATIC CONTROL 34 3 UNIT OPERATION REFRIGERATION CIRCUIT 35 4 UNIT OPERAT...

Страница 5: ...G ONLY 60 5 GENERAL REFRIGERATION CIRCUIT DIAGRAM HYDROLEAN HEAT PUMP 62 6 GENERAL REFRIGERATION CIRCUIT DIAGRAM HYDROLEAN REMOTE CONDENSER 64 7 GENERAL REFRIGERATION CIRCUIT DIAGRAM MWC 66 8 GENERAL REFRIGERATION CIRCUIT DIAGRAM MRC 67 9 GENERAL MECHANICAL DRAWING NAC NAH 68 10 GENERAL MECHANICAL DRAWING HYDROLEAN 77 11 GENERAL MECHANICAL DRAWING MWC 80 12 PRESSURE DROPS NEOSYS 85 13 PRESSURE DRO...

Страница 6: ...ion available It is supplied conditional to later modifications We reserve the right to modify the construction and or design of our chillers at any time without prior notification or obligation to adapt previous supplies accordingly Any work on the Chiller should be carried out by trained and licensed competent technician The following risks are present on the unit Risk of electrical shock Risk o...

Страница 7: ... in well ventilated area Please read carefully the manufacturer s instructions before starting this unit Inspections and requalification according pressure equipment directive must follow the local regulations where the unit is installed 3 MACHINE DESIGNATION NA NEOSYS SW HYDROLEAN MW MEDIUM WATER COOLED MR MWC Remote condenser M 400V 3 50 C Cooling only unit H Heat pump unit R Remote condenser 1 ...

Страница 8: ...or any specific application kitchen industry please contact your local sales representative The unit shall be isolated from the electrical supply by disconnection and locking using the main isolating switch Workers shall wear the appropriate personal protective equipment helmet gloves glasses etc Work on the electrical system Work on electric components shall be performed with the power off see be...

Страница 9: ...res draining and filling of the system under pressure shall be carried out using connections provided for this purpose and suitable equipment To prevent the risk of explosion due to spraying of coolant and oil the relevant circuit shall be drained and at zero pressure before any disassembly or unbrazing of the refrigerating parts takes place There is a residual risk of pressure build up by degassi...

Страница 10: ...without prior written permission by LENNOX Settings and protections have been modified without prior written permission by LENNOX Non original or other than the prescribed refrigerants or lubricants are used The equipment has not been installed and or connected in accordance with the installation instructions The equipment is being used improperly incorrectly negligently or not in accordance with ...

Страница 11: ...en 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 unless the unit or circuit disconnect switch is open Refer to the wiring diagram for further details For some units a separate 220V power supply may exist check the electrical wiring for more information In case of ma...

Страница 12: ...alk Don t strap Warning main switch supplied from bottom EUROVENT certification Gravity center Protection by water filter mandatory Protection by strainer filter mandatory Transport of non flammable liquefied gas Transport of flammable liquefied gas OK to send document Information to read Electrical connections can loosen during transport Please check them before start up CMIM marking Morocco CE m...

Страница 13: ...respect a sufficient number of supports for the piping according to their size and weight under operating conditions and to design the piping to avoid a water hammer phenomenon 6 For technical reasons it is not possible to carry out hydrostatic tests on all our units so leak tests are carried out as a compensatory measure The entire circuit is checked using leak detectors For machines charged with...

Страница 14: ...der and matches the delivery note If the product is damaged exact details must be confirmed in writing by registered post to the shipping company within 48 hours of delivery working days A copy of the letter must be addressed to LENNOX and the supplier or distributor for information purposes Failure to comply will invalidate any claim against the shipping company Please be reminded that LENNOX is ...

Страница 15: ...e safety procedures Follow all safety rules and regulations Wear protective glasses and work gloves Handle heavy or bulky equipment carefully during lifting and moving operations and when setting it on the ground CAUTION BEFORE EACH SERVICE OPERATION MAKE SURE THAT THE UNIT POWER SUPPLY IS PROPERLY ISOLATED AND LOCKED OUT NOTE SOME UNITS MAY HAVE A SEPARATE 230V CONTROL SUPPLY THAT REQUIRES SEPARA...

Страница 16: ...rticularly low vibration levels Use of vibration isolators MUST be accompanied by installation of flexible connections in the unit water piping Vibration isolators must also be secured to the unit BEFORE being attached to the ground Selection of vibration absorbing isolator capacity is not LENNOX s responsibility The unit must be bolted to the vibration isolators and the latter solidly secured int...

Страница 17: ...s supplied with the unit For any chiller a minimum distance of 1 meter is required for the good opening and servicing of the electrical box In case of a compressor replacement 1m is also reasonable to remove it NEOSYS 3 meters 2 meters 2 meters Not recommended Not allowed HYDROLEAN 025 035 HYDROLEAN 050 080 HYDROLEAN 100 160 ...

Страница 18: ...ngers nor any vibration Use flexible connections to reduce the transmission of vibrations Manual or automatic air bleeders must be installed at all high points in the circuit s Drain connections must be installed at all low points to allow the whole circuit to be drained An expansion device must be installed to maintain pressure in the circuit s as well as a safety device Comply with the water inl...

Страница 19: ...e avoided It is as detrimental to deoxygenate the water by mixing it with inert gas as it is to over oxygenate it by mixing it with pure oxygen The disturbance of the oxygenation conditions encourages destabilization of copper hydroxides and enlargement of particles Specific resistance electric conductivity the higher the specific resistance the slower the corrosion tendency Values above 3000 Ohm ...

Страница 20: ...ocess cooling where temperature stability is required Example for Dt 6K Tmin 360s liquid non glycolated water Wd 1000kg m3 and Cp 4 18 kJ kg C Tminx1000 WdxCp 86 Note the volume of the condenser water loop has no impact on the chiller operation In heat pump operation with hot water set point control option the minimum volume of the condenser water loop must be calculated based on the heating capac...

Страница 21: ...n vessel On units fitted with a standard Hydraulic module it is possible to determine the maximum water content of the installation NEOSYS unit range Expansion vessel volume Pressure in the expansion vessel Maximum clear water volume l Static pressure Static pressure 10 m 5 m Maximum glycol water volume l Static pressure Static pressure 10 m 5 m 200 230 270 300 340 380 420 480 50 l 1 5 bar 5230 l ...

Страница 22: ...erheater If DOT 40 C a minimum flow below roughly 1 5th of the nominal flow versus operating conditions of the selection table A better regulation can be achieved by using an inverter driven pump that adjusts the flow to maintain the desired DOT Total heat recovery at 50 55 C Total flow at 50 55 C Pressure drop at 50 55 C Total heat recovery at 55 60 C Total flow at 55 60 C Pressure drop at 50 55 ...

Страница 23: ...start and stop order of the water pump s of the heat recovery loop So for good operation of this option there is A dry contact on the chiller command Climatic to remotely activate or stop the heat recovery option A dry contact on the chiller command Climatic to connect to the water pump s for start and stop order Then depending on the running state of the unit it will start or stop the water pump ...

Страница 24: ...iquid slugging during the starting phase and prevent accidental ice formation in the evaporator if the flow of water is interrupted Flow switches are available as standard on certain units and always as option The normally open contact of the flow switch should be connected to the terminals provided to that effect in the unit electrical box See the wiring diagram supplied with the unit The normall...

Страница 25: ...tallation of screens around units installed externally The choice of the location for the installation can be of great importance reflection absorption transmission of vibrations The type of unit support is also very important inertia of the room and the structure of the walling interfere with the installation and its behavior Before taking any other steps first determine whether the sound level i...

Страница 26: ... condenser with capacity control H1 15 m maxi 1 Lower trap with single tube H2 5 m maxi 2 Lower trap coupled with higher trap H3 0 3 m maxi 3 Lower trap with double tubes H4 0 15 m maxi 4 Higher trap with double tubes WARNING The liquid level between the condenser and the check valve A must compensate the check valve pressure drop ...

Страница 27: ...ut capacity controlmin 0 25 Condensing unit with capacitycontrol Min Min 0 25 gradient Min 0 25 gradient H1 15 m maxi 1 Lower trap with single tube H2 5 m maxi 2 Lower trap coupled with higher trap 3 Lower trap with double tubes H4 0 15 m maxi 4 Higher trap with double tubes ...

Страница 28: ...the liquid phase is approximately 940 kg m3 A pressure of 1 bar corresponds to a liquid head of 100 000 940 x 9 81 10 8 m The maximum recommended speed in the liquid lines is 1 5 m s to avoid liquid hammering that may occur when the solenoid valve closes 2 at 45 C with 5 C subcooling and 8 C suction temperature for other conditions use the correction factor table 7 2 Discharge lines and suction li...

Страница 29: ...solating valves and a pressure gauge to control test pressure in the system Excessive pressure can cause lines to burst damage to the unit and or cause an explosion with severe personal injury Ensure conduct liquid line and gas line pressure tests are in conformity with applicable legislation Before starting up a unit on a receiver the piping and the condenser must be dehydrated Dehydration should...

Страница 30: ...o a unit must have the same number of circuits as the unit Selection of the condenser must be made carefully to enable transfer of the heat capacity of the unit even at the highest temperatures expected on an installation It is mandatory to control the head pressure in order to enable the unit to operate properly whatever the season A variety of different systems may be used but the most simple an...

Страница 31: ...e unit 3 HYDRAULIC SYSTEM INSTALLATION CHECKS NEOSYS The unit hydraulic sketch is given in the APPENDIX at the end of the IOM 4 INSTALLATION OF EXTERNAL HYDRAULIC COMPONENTS FOR HYDROLEAN AND MWC Some hydraulic components may be supplied loose by LENNOX 01 Kit for groove lock Coupling for MWC 05 Paddle Flow Switch 02 Evaporator Water inlet Filter A Inlet Outlet water temperature probe 03 Condenser...

Страница 32: ...PRELIMINARY CHECKS CHILLER IOM 2004 E 27 INLET OUTLET SWC SWR INLET OUTLET SWH INLET OUTLET MWC MRC 180 570 650 720 ...

Страница 33: ...vaporator and connected on the flow switch electrical cable via a special connecter And the outlet sensors must be mounted in the pocket bulbs The flow switch cable and the outlet sensor cables are already connected to the electrical panel and attached on the frame The filters are mounted on the heat exchanger inlets 1 Condenser 2 Evaporator B Plug DN Diameter E Water inlet OB Flange option OF Fil...

Страница 34: ...y be with the air bled out of all high points including the evaporator ensuring they are perfectly clean and leaktight In the case of machines with water cooled condensers the condenser water circuit must be ready to operate filled with water pressure tested bled filter cleaned after 2 hours of operation of the water pump Cooling tower in operating condition water supply and overflow checked fan i...

Страница 35: ... the water pump All hydraulic components must be in operating condition water supply and overflow checked 3 Reset all manually resetting safety devices where necessary 4 Start the unit on air condenser with heat reclaims disconnected 5 Start the pump s on total heat recovery water loop and check the flow of liquid to be cooled through the heat exchangers note the inlet and outlet water pressures a...

Страница 36: ...side air temperature 6 Min outdoor air temperature winter operation option 20 Maximum outside air temperature full capacity operation 46 43 46 43 46 43 46 43 NAC with total heat recovery option Maximum heat recovery outlet water temperature C 56 Minimum heat recovery outlet water temperature 20 Minimum Difference water inlet outlet 3 Maximum Difference water inlet outlet 10 Minimum water temperatu...

Страница 37: ...utside air temperature full capacity operation C 46 NAH HEATING MODE 200 230 270 300 Min condenser outlet temperature C 24 Max condenser outlet water C 50 Min difference water inlet outlet C 3 Max difference water inlet outlet C 8 Min outside air temperature with water outlet 37 C C 12 Max outside air temperature C 30 Condenser water outlet temperature C Outdoor air temperature Outdoor air tempera...

Страница 38: ... HYDROLEAN WITH REMOTE CONDENSER SIZES 135 160 Evaporator Outlet water Temperature C Water Glycol Condenser water outlet temperature C All units Evaporator Outlet water Temperature C Water Glycol Condenser water outlet temperature C All units Evaporator Outlet water Temperature C Water Glycol Condenser water outlet temperature C All units Evaporator Outlet water Temperature C Water Glycol Condense...

Страница 39: ...1 6 MWC ALL SIZES 2 CLIMATIC CONTROL See the specific CLIMATIC manual MWC version All sizes Operating limits Water Delta T on evap and cond 5K Min evap outlet water temperature C 5 Max evap outlet water temperature C 20 Min difference water inlet outlet C 3 Max difference water inlet outlet C 8 Min cond outlet water temperature C 20 Max cond outlet water temperature Operation at full capacity C 56...

Страница 40: ...e models UNEVEN TANDEM when compressors are different models In the case of uneven tandem assemblies a restrictor is inserted in the suction of one of the two compressors The purpose of this restrictor is to equalize the suction pressure in order to ensure a better oil return to both compressors Contact LENNOX after sales offices for additional information WARNING THE UNIT WITH UNEVEN TANDEM CAN N...

Страница 41: ...rature for the refrigerant R410A 3 5 Sight glass option This feature when fitted enables visual check of the state of the liquid refrigerant phase liquid gas or both in the liquid line upstream of the thermostatic expansion valve It also enables to some extent the detection of humidity in the circuit 3 6 Pressure regulated water valve option for water cooled units only This device is available as ...

Страница 42: ...ic CLIMATIC controller manual 4 1 Fan over currentprotection Circuit breaker designed to stop the fan motors in the event of phase over current in relation to the permitted value 4 2 Compressor motor over currentprotection Circuit breaker designed to protect each motor winding against accidental over current 4 3 Flow switch for the chilled liquid standard This control device initiates unconditiona...

Страница 43: ...tion The optional control and protection of external pump for evaporator can be selected on all HYDROLEAN units It consists in the addition of a circuit breaker and contactor controlled by the CLIMATIC The protection is located in the main electrical panel close to the compressor protections The pump parameters can be accessed using the password 38 Factory setting Min Max Pump operation mode Conti...

Страница 44: ...r 4 7 Control and protection of external fans option The optional control and protection of external fans can be selected on all HYDROLEAN units It consists in the addition of a circuit breaker and contactor per fan and controlled as standard by adjustable pressure switches This protection can be located in the main electrical panel or in an additional electrical cabinet inside the unit depending ...

Страница 45: ...ontrol option This option can only be selected on HYDROLEAN Cooling only units SWC and consist in a special configuration of the program and temperatures probes fitted to the condenser It is NOT recommended to use a pressure regulating valve when the control on hot water option is selected 4 9 Remote heat cool standard if no incompatibilities refer to previous page for details This option can only...

Страница 46: ...he progressive reduction in return chilled liquid temperature Staged reduction consists in shutting down a compressor This continues until the unit shuts down completely through action of the regulator 5 2 3 Safety shutdownsequence If a default occurs on a circuit it is detected by the appropriate safety device high pressure overshoot motor protection etc The relay in question initiates unconditio...

Страница 47: ...ions of the machine This log will serve as an excellent diagnostic tool for maintenance personnel likewise the machine operator by noting down changes in machine operating conditions will often be able to anticipate and avoid problems before they actually occur or worsen The manufacturer cannot be held responsible for any malfunctioning of any equipment it provides if it is caused by a lack of mai...

Страница 48: ...ces of acidity in the refrigerant circuits Visually check the oil level through the sight glass on the side of the compressor casing Test the oil every 3 years and or after each intervention on the refrigerant circuit Inspect the four way valve During cooling mode reverse to Heat Pump mode Reset the control Check the position of the crankcase heaters around the compressor and its proper functionin...

Страница 49: ...emperature and as a consequence the system must be at normal operating temperature to give a meaningful reading Check antifreeze protection Test antifreeze function leakage rate frost protection thermostat Check refrigeration 3 way valve Check the proper functioning of the system Check tightness of all electrical connections Power down the unit and check and tighten all the screws terminal and ele...

Страница 50: ...oved by the company supplying the cleaning products or by the company conducting these operations 3 COMPRESSORS OIL DRAINAGE Oil for refrigeration equipment is clear and transparent It keeps its colour over a long period of operation Given that a correctly designed and installed refrigeration system will operate without any problems there is no need to replace the compressor oil even after a very ...

Страница 51: ...st one hour DO NOT USE THE COMPRESSOR AS A VACUUM PUMP If the compressor runs in vacuum it willfail Charge the unit with refrigerant according to the data on the Name Plate for the unit and check that there are noleaks PRECAUTIONS TO BE TAKEN IN THE USE OF R 410A REFRIGERANT The following precautions characteristic of this gas should be taken The vacuum pump must have a check valve or solenoid val...

Страница 52: ...lty control thermostat Check for proper operation set points contacts Oil pressure switch tripped Check the oil pressure switch and determine the cause of the trip out Antifreeze thermostat or low pressure safety switch tripped Check evaporating pressure condition of the antifreeze thermostat the low pressure safety switch Compressor thermal protection relay tripped Check for proper operation of t...

Страница 53: ...gerant charge in the sight glass and top up if necessary Filter drier partly obstructed Check the drier and replace as required change the filter cartridge Expansion valve partly closed Check expansion valve bulb and capillary measure superheat Liquid line valve not open far enough Open the valve completely Noisy compressor or abnormally high suction pressure or low discharge pressure Leaky intern...

Страница 54: ...en mechanical parts inside compressor Replace the compressor Suction line is unusually cold Liquid slugging Check superheat and that the expansion valve bulb is correctly installed Expansion valve blocked in open position Repair or replace Broken suction valves Replace broken valves High discharge pressure The water regulating valve or the pressure operated water valve taps or knocks Pressure oper...

Страница 55: ...electronic expansion valve Expansion valve blocked in open position Repair or replace L SUCTION PRESSURE IS TOO LOW Bubbles in sight glass Low refrigerant charge Repair the leak and add refrigerant Excessive pressure drop across the filter drier or the solenoid valve Filter drier obstructed Replace the cartridge No refrigerant passing through the expansion valve Expansion valve bulb has lost its c...

Страница 56: ...ow refrigerant charge A faulty expansion valve An obstructed liquid line filter drier A damaged compressor cylinder bank unloaded The control thermostat monitors chilled water temperature at the evaporator inlet The most common causes of abnormal temperatures in this zone are Low water flow Thermostat setting too low The above information does not represent a complete analysis of the refrigeration...

Страница 57: ...ilter on water circuit CONDENSER WATER CIRCUIT Inlet Outlet pressure gauges for pressure drop kPa Condenser inlet temperature C Condenser outlet temperature C Regulation on condenser water inlet Condenser pump interlock Filter on water circuit Unrestricted air flow on condenser coils 2 ELECTRICAL POWER SUPPLY Control circuit voltage V Power circuit power supply voltage L1 L2 V Power circuit power ...

Страница 58: ...e microprocessor based management system if used Verification of operating parameters and unit performance Transmission of the machine service log 500 h 1000 h VISITS Post wear in inspection Oil acidity test leak test Replacement of the filter drier cartridges depending on the results of the test above Monitor unit performance and any eventual variations linked to use of the installation INSPECTIO...

Страница 59: ...pressors in service per circuit Evaporating pressure Bar Suction piping temperature C Condensing pressure Bar Discharge piping temperature C Oil pump temperature C Oil pressure Bar Oil level A Current on phase 1 per compressor A Current on phase 2 per compressor A Current on phase 3 per compressor C Liquid line temperature Bar Evaporator pressure drop C Chilled water temperature C Leaving chilled ...

Страница 60: ...er Checked operation of the pump and evaporator pressure drop CONDENSER WATER CIRCUIT Checked order of power supply phases for scroll and screw compressor units All piping checked for leakage Thermometers installed Water pressure regulator installed System balancing valvesinstalled System rinsed cleaned and filled before being connected to the unit Check presence of filter on unit inlet and state ...

Страница 61: ...APPENDIX CHILLER IOM 2004 E 56 APPENDIX ...

Страница 62: ...ondenser 11 Thermostatic expansion valve 02 Third scroll compressor on size above 300 kW 07 Fan motor 12 Electronic expansion valve 03 High pressure switch 08 Manual isolating valve 13 Evaporator heat exchanger 04a 04b Pressure transducers HP BP 09 Cartridge filter drier 14 Suction temperature sensor 10 Solenoid valve 15 External temperature sensor Heating resistance OPTION NAC Refrigeration Circu...

Страница 63: ...alves Schrader type are available to load unload the circuit 01 Compressor tandem or trio 06 Electronic expansion valve 02 Pressure switch 07 Cold water loop for air conditioning purpose 03 Water condenser solenoid valve 08 Hot water loop for sanitary water purpose 04 Air condenser 09 Check valves 05 Solenoid valve 10 Liquid recovery lines ...

Страница 64: ... Fan motor 12 Non return valve 03 High pressure switch 08 Manual isolating valve 13 Discharge temperature sensor 04a 04b Pressure transducers HP BP 09 Cartridge filter drier 14 External temperature sensor 06 Air cooled heat exchanger 10 Thermostatic expansion valve 15 Liquid suction venturi Heating resistance OPTION 11 Plate heat exchanger 16 Liquid receiver NAH Refrigeration Circuit All NAH C1 C2...

Страница 65: ... connection valves Schrader type are available to load unload the circuit Main components 01 a 01 b 01 c Compressors 02 Evaporator 03 Condenser 04 Thermostatic expansion valve 05 Filter drier 06a 06b Low high pressure switch Options 07a 07b Low high pressure gauges 08 Pressure regulated water valve ...

Страница 66: ...135 160 Options 07a 07b Low high pressure gauges 08 Pressure regulated water valve High Pressure operated water valve for dual circuit units option Main components 01 a 01 b 01 c Compressors 02 Evaporator 03 Condenser 04 Thermostatic expansion valve 05 Removable cartridge drier filter 06a 06b Low high pressure switch ...

Страница 67: ...ction valves Schrader type are available to load unload the circuit Options 07a 07b Low high pressure gauges Main components 01 a 01 b 01 c Compressors 02 Evaporator 03 Condenser 04 Thermostatic expansion valve 05 Removable cartridge drier filter 06a 06b Low high pressure switch A 4 way reversing valve ...

Страница 68: ... available to load unload the circuit Options 07a 07b Low high pressure gauges Main components 01 a 01 b 01 c Compressors 02 Evaporator 03 Condenser 04 Thermostatic expansion valve 05 Removable cartridge drier filter 06a 06b Low high pressure switch A 4 way reversing valve ...

Страница 69: ...es Schrader type are available to load unload the circuit 09 Manual shut off valve 10 Liquid solenoid valve Options 07a 07b Low high pressure gauges Main components 01 a 01 b 01 c Compressors 02 Evaporator 03 Condenser 04 Thermostatic expansion valve 05 Removable cartridge drier filter 06a 06b Low high pressure switch ...

Страница 70: ...b Low high pressure gauges 10 Liquid solenoid valve Main components 01 a 01 b 01 c Compressors 02 Evaporator 03 Condenser 04 Thermostatic expansion valve 05 Removable cartridge drier filter 06a 06b Low high pressure switch 09 Manual shut off valve ...

Страница 71: ... type are available to load unload the circuit Circuit 1 2 2 or 3 compressors per circuit Main components 1 Compressors High pressure safety switch 2 Water cooled evaporator High and low pressure transducers 3 Water cooled condenser High pressure safety switch 4 Expansion valves 5 Cartridge drier filter MWC ...

Страница 72: ...re available to load unload the circuit Circuit 1 2 2 or 3 compressors per circuit Main components 1 Compressors High pressure safety switch 2 Water cooled evaporator High and low pressure transducers 3 Water cooled condenser High pressure safety switch 4 Expansion valves 5 Cartridge drier filter 6 Check valve MRC ...

Страница 73: ...2 NAC 200 430 526 263 NAC 230 414 506 253 NAC 230 442 541 270 NAC 270 463 565 283 Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln 1 Water inlet Unit without hydraulic module 4 Victaulic ln 2 Water inlet Unit with hydraulic module 4 Victaulic Out Water outlet 4 Victaulic NAC 200 230 270 NAH 200 230 ...

Страница 74: ... G2 D2 G3 D3 G4 D4 NAH 270 413 537 404 271 Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln 1 Water inlet Unit without hydraulic module 4 Victaulic ln 2 Water inlet Unit with hydraulic module 4 Victaulic Out Water outlet 4 Victaulic NAH 270 ...

Страница 75: ... 300 489 609 460 312 Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln 1 Water inlet Unit without hydraulic module 4 Victaulic ln 2 Water inlet Unit with hydraulic module 4 Victaulic Out 1 Water outlet 4 Victaulic Out 2 Water outlet Unit with hydraulic module 4 Victaulic NAC 300 NAH 300 ...

Страница 76: ...2 564 433 291 Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln 1 Water inlet Unit without hydraulic module 5 Victaulic ln 2 Water inlet Unit with hydraulic module 5 Victaulic Out 1 Water outlet Unit without hydraulic module or with variable speed drive 5 Victaulic Out 2 Water outlet Unit with hydraulic mo...

Страница 77: ...1 NAH 480 576 751 565 378 Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln 1 Water inlet Unit without hydraulic module 6 Victaulic ln 2 Water inlet Unit with hydraulic module 6 Victaulic Out 1 Water outlet Unit without hydraulic module or with variable speed drive 6 Victaulic Out 2 Water outlet Unit with ...

Страница 78: ... load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln 1 Water inlet Unit without hydraulic module 6 Victaulic ln 2 Water inlet Unit with hydraulic module 6 Victaulic Out 1 Water outlet Unit without hydraulic module or with variable speed drive 6 Victaulic Out 2 Water outlet Unit with hydraulic module 6 Victaulic NAC 540 ...

Страница 79: ... Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln 1 Water inlet Unit without hydraulic module 6 Victaulic ln 2 Water inlet Unit with hydraulic module 6 Victaulic Out 1 Water outlet Unit without hydraulic module or with variable speed drive 6 Victaulic Out 2 Water outlet Unit with hydraulic module 6 Victau...

Страница 80: ...N Kg Operating weights with dual pump hydraulic module G1 G2 G3 G4 G5 G6 G7 D1 D2 D3 D4 D5 D6 D7 NAC 680 480 480 480 480 480 480 480 480 480 480 480 480 480 480 NAC 760 490 490 490 490 490 490 490 490 490 490 490 490 490 490 Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitted LEGEND ln Water inlet Out Water outlet NAC...

Страница 81: ...dule G1 G2 G3 G4 G5 G6 G7 G8 D1 D2 D3 D4 D5 D6 D7 D8 NAC 840 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 NAC 960 510 510 510 510 510 510 510 510 510 510 510 510 510 510 510 510 NAC 1080 510 510 510 510 510 510 510 510 510 510 510 510 510 510 510 510 Lennox recommend load distribution as detailed above ANTI VIBRATION MOUNTS OPTION CLEARANCES Overhead obstructions are not permitt...

Страница 82: ...IBRATION MOUNTS OPTION A Box 025 035 SWC SWH SWR EVAPORATOR All units Water inlet A 1 1 2 DN40 Water outlet B 1 1 2 DN40 CONDENSER SWC Water inlet D 1 1 2 DN40 Water outlet C 1 1 2 DN40 CONDENSER SWH SWR Water inlet C 1 1 2 DN40 Liquid line D 5 8 Water outlet D 1 1 2 DN40 Discharge Line C 7 8 HYDROLEAN 025 035 HYDROLEAN 025 035 Type of rubber mounts APK80 45Sh A APK80 60Sh A Number per unit 4 4 He...

Страница 83: ... 1 2 DN40 CONDENSER SWH SWR Water inlet C 1 1 2 DN40 Liquid line D 7 8 Water outlet D 1 1 2 DN40 Discharge Line C 1 1 8 SWC SWH SWR G1 G2 G1 G2 G1 G2 050 83 83 85 85 73 73 070 95 95 96 96 79 79 080 99 99 101 101 80 80 D1 D2 D1 D2 D1 D2 050 83 83 85 85 73 73 070 95 95 96 96 79 79 080 99 99 101 101 80 80 HYDROLEAN 050 070 080 HYDROLEAN 050 070 080 Type of rubber mounts APK80 75Sh A APK100 60Sh A Num...

Страница 84: ...85 185 187 187 150 150 160 190 190 193 193 155 155 PIPING ANTI VIBRATION MOUNTS OPTION C Box 100 120 135 160 SWC SWH SWR EVAPORATOR Water inlet A 2 DN50 Water outlet B 2 DN50 CONDENSER SWC Water inlet D 2 DN50 Water outlet C 2 DN50 CONDENSER SWH SWR Water inlet C 2 DN50 Liquid line 7 8 Water outlet D 2 DN50 Discharge Line C1 E 1 1 8 Discharge Line C2 C 1 3 8 HYDROLEAN 100 120 135 160 HYDROLEAN 100...

Страница 85: ...Water outlet 4 4 Condenser In2 Water inlet 4 Out2 Water outlet 4 Liquid line 7 8 Discharge line 1 1 8 LOAD DITRIBUTION Kg Operating weights MWC 180 MRC 180 D1 162 160 D2 162 150 G1 162 140 G2 262 200 Lennox recommend load distribution as detailed above MWC 180 Fixing detail view In Out Ø 4 Victaulic Fixing detail view ...

Страница 86: ... 2 x 1 1 8 Discharge line 1 3 8 1 1 8 2 x 1 3 8 2 x 1 3 8 2 x 1 3 8 LOAD DITRIBUTION Kg Operating weights MWC 230 MWC 280 MWC 330 MWC 380 MRC 230 MRC 280 MRC 330 MRC 380 D1 204 237 277 311 200 230 270 270 D2 214 257 387 441 190 220 350 300 G1 204 247 277 321 170 210 240 310 G2 344 417 387 461 250 290 260 410 Lennox recommend load distribution as detailed above MWC 230 380 Fixing detail view Fixing...

Страница 87: ... outlet 5 Liquid line 2 x 1 3 8 Discharge line 2 x 1 5 8 LOAD DITRIBUTION Kg Operating weights MWC 450 MWC 510 MWC 570 MRC 450 MRC 510 MRC 570 D1 553 575 645 540 560 630 D2 543 585 605 350 370 380 G1 453 475 515 440 460 500 G2 433 465 475 330 350 360 Lennox recommend load distribution as detailed above MWC 450 570 Fixing detail view Fixing detail view In Out Ø 5 Victaulic ...

Страница 88: ...Out2 Water outlet 5 Liquid line C1 C2 1 5 8 1 3 8 2 x 1 5 8 Discharge line C1 C2 2 1 8 1 5 8 2 x 2 1 8 LOAD DITRIBUTION Kg Operating weights MWC 650 MWC 720 MRC 650 MRC 720 D1 775 785 660 670 D2 655 665 410 420 G1 545 555 530 540 G2 465 475 380 390 Lennox recommend load distribution as detailed above MWC 650 720 In Out Ø 5 Victaulic Fixing detail view Fixing detail view ...

Страница 89: ...ter supplied loose 3 Automatic air vent 4 Expansion vessel manometer 5 Single or dual pump high or low pressure 6 Flow switch 7 High performance stainless steel evaporator 8 Pressure adjustment valve 9 Pressure taps and drain valve Configuration for flanged connections 1 2 3 4 5 6 7 8 9 ...

Страница 90: ...AC 540 E E 600 F F 640 G F 680 H 760 H 840 H 960 I 1080 I NEOSYS 𝑃 𝑎 𝑋𝑏 a b 200 230 0 0570 1 8516 270 0 0419 1 8695 300 0 0387 1 8234 340 380 420 0 0184 1 8238 480 540 0 0131 1 8254 600 0 0110 1 8264 NEOSYS Water flow m3 h Pressure drop kPa Water flow m3 h NEOSYS 𝑃 𝑎 𝑋𝑏 a b 640 0 0100 1 8327 680 0 0052 1 8238 760 0 0052 1 8238 840 0 0052 1 8238 960 0 0037 1 8254 1080 0 0037 1 8254 Pressure drop kP...

Страница 91: ... filter mesh 1 mm NEOSYS ΔP a Xb a b 200 230 270 300 3 32E 03 1 7409 340 380 420 480 1 10E 06 3 1026 540 600 640 8 00E 09 4 023 680 760 840 960 1080 5 00E 10 4 2717 Pressure drop kPa NAC NAH Curve NAC Curve 200 L 540 N 230 600 270 640 300 680 O 340 M 760 380 840 420 960 480 1080 NEOSYS ...

Страница 92: ... 120 135 160 Evaporator Condenser curve A1 A2 B1 B2 B2 C1 C1 C2 C2 PRESSURE DROP OF HYDROLEAN PLATE HEAT EXCHANGERS WITH CLEAR WATER PRESSURE DROP OF HYDROLEAN PLATE HEAT EXCHANGERS WITH WATER AND ETHYLENE GLYCOL 30 HYDROLEAN Pressure drop kPa Water flow m3 h Pressure drop kPa Water flow m3 h ...

Страница 93: ... 120 135 160 Filter curve W X X Y Y Y Y Z Z FULLY OPEN PRESSOSTATIC CONTROL WATER VALVE HYDROLEAN 025 035 050 070 080 100 120 135 160 Pressure regulated valve WVFX25 WVFX25 WVS32 WVS32 WVS32 WVS32 WVS40 WVS40 WVS40 Water filter diameter W 1 1 2 X 2 Y 2 1 2 Z 3 Pressure drop kPa HYDROLEAN Water flow m3 h Pressure drop kPa ...

Страница 94: ...N100 230 B B DN100 280 B C DN100 330 C C DN100 380 C D DN100 450 D E DN125 510 D F DN125 570 E G DN125 650 E H DN125 720 E H DN125 Pressure drops are given for information only A tolerance of 20kPa must be considered when selecting water pumps MWC Pressure drop kPa Pressure drop kPa Water flow m3 h Water flow m3 h Pressure drop kPa Water flow m3 h ...

Страница 95: ......

Страница 96: ...ry Installation and service must be performed by a qualified installer and servicing agency SALES OFFICES BELGIUM AND LUXEMBOURG POLAND 32 3 633 3045 48 22 58 48 610 FRANCE PORTUGAL 33 1 64 76 23 23 351 229 066 050 GERMANY SPAIN 49 0 211 950 79 60 34 915 401 810 ITALY UKRAINE 39 02 495 26 200 38 044 585 59 10 NETHERLANDS UNITED KINGDOM AND IRELAND 31 332 471 800 44 1604 669 100 OTHER COUNTRIES LEN...

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