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Lennox eCOMFORT R32 GAC 035S, Installation, Operating And Maintenance Manual

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Lennox eCOMFORT R32 GAC 035S Installation, Operating And Maintenance Manual Download Page 28

 

• 26 •

GAC/GAH

125S - 140S

GAC/GAH

110D - 125D

GAC/GAH

140D

GAC/GAH

160D

Installation manual / 

eCOMFORT R32-MIL166E-0222 - 09/2022

Water flow rate (m

3

/h)

Water flow rate (m

3

/h)

Pressure (kPa)

Pressure (kPa)

Pressure (KPa)

Pressure (kPa)

Pressure (kPa)

Water flow rate (m

3

/h)

Water flow rate (m

3

/h)

1.- GENERAL CHARACTERISTICS

1.5.- HYDRAULIC SYSTEM DATA

WATER FLOW AND AVAILABLE STATIC PRESSURE OF WATER PUMP

Summary of Contents for eCOMFORT R32 GAC 035S

Page 1: ...www lennoxemea com eCOMFORTR32 35 210kW AIR COOLED LIQUID CHILLER HEAT PUMP INSTALLATION OPERATING AND MAINTENANCE MIL166E 0222 09 2022...

Page 2: ......

Page 3: ...UNIT IS INSTALLED 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...

Page 4: ...data Component Operation limits Hydraulic system data Pressure drop in the water system Water flow Piping drawings Dimensions INSTALLATION Transport Handling Site and shipping guidance Unit lifting A...

Page 5: ...lied 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 ac...

Page 6: ...t limits equivalent to Rsce 33 can be connected in whatever connection point of the main supply system The maximal allowable impedance of the main supply system Zmax 0 185 is defined by EN 61000 3 11...

Page 7: ...en signed starting from the date of commissioning and if the mainte nance contract has actually been performed The maintenance contract must be made with a specialist competent company The sole effect...

Page 8: ...ne 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...

Page 9: ...atures Rotating parts Sharp parts Electrical voltage A2L slightly flammable Non flammable liquefied gas high pressure Flammble liquefied gas high pressure Don t walk on it Wear of PPE Personal protect...

Page 10: ...case of exposure to corrosive external atmospheres or products the installer and or operator shall take the necessary precautions to avoid damage to the equipment and will make sure the equipment prov...

Page 11: ...refrigerant of the slightly flammable category It is also positioned on schraders where refrigeration components can be connected for maintenance This label tells you that there is a potential risk o...

Page 12: ...idden to store and install the machine in an ATEX area In the immediate area of the unit proximity distance to 2m The presence even temporary of ignition sources is prohibited electrical or heat sourc...

Page 13: ...utters and no torches to open the pipes The load must be applied in the liquid phase Always use a scale to charge the refrigerant Use the leak detector suitable for R32 refrigerant Do not use mineral...

Page 14: ...DATA INPUT COOLING CYCLE HEATING CYCLE Air Input Temperature Coil Water Output Temperature Water Input Temperature High Pressure Low Pressure ELECTRIC POWER CONSUMPTION COOLING CYCLE HEATING CYCLE Com...

Page 15: ...h pressure twin pump Hydraulic module with eDrive high pressure single pump Hydraulic module with eDrive high pressure twin pump Bypass Valve for delta P control with eDrive pump supplied loose Water...

Page 16: ...0 108 6 125 3 140 3 166 1 187 3 209 1 Kw 106 7 117 5 126 1 154 5 114 1 129 3 142 5 170 7 190 3 216 1 2 Scroll 3 Scroll 2 2 Scroll 2 1 2 3 m3 h 18 12 20 29 21 74 26 14 18 68 21 55 24 13 28 56 32 21 35...

Page 17: ...ump Type Stainless steel threaded centrifugal pumps High pressure pump Expansion vessel Type Fixed membrane expansion vessel Max pressure bar Capacity dm3 Buffer tank Type Isolated steel tank Safety v...

Page 18: ...C H 070S Installation manual eCOMFORT R32 MIL166E 0222 09 2022 1 1 TECHNICAL DATA FAN DATA Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h P...

Page 19: ...S GAC H 125S Installation manual eCOMFORT R32 MIL166E 0222 09 2022 1 1 TECHNICAL DATA FAN DATA Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3...

Page 20: ...AC H 140D Installation manual eCOMFORT R32 MIL166E 0222 09 2022 1 1 TECHNICAL DATA FAN DATA Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h...

Page 21: ...C H 185D GAC H 210D Installation manual eCOMFORT R32 MIL166E 0222 09 2022 1 1 TECHNICAL DATA FAN DATA Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa 1 GENERA...

Page 22: ...2 17 0 20 5 24 1 04 A 5 00 1 00 1 00 1 40 1 64 1 00 1 40 3 28 4 72 2 00 kW 2 72 1 65 1 65 0 00 2 72 1 65 0 00 5 44 3 30 3 30 A 4 00 2 40 2 40 0 00 4 00 2 40 0 00 8 00 4 80 4 80 kW 1 95 1 95 1 95 1 95...

Page 23: ...A 4 00 2 40 2 40 0 00 4 00 2 40 0 00 8 00 4 80 4 80 kW 1 95 1 95 1 95 1 95 1 95 1 95 1 95 3 28 3 28 3 28 A 3 43 3 43 3 43 3 43 3 43 3 43 3 43 6 24 6 24 6 24 kW 3 28 3 28 3 28 3 28 3 28 3 28 3 28 4 50...

Page 24: ...out by the installer Hydraulic connections Customer connection COMPONENTS STANDARD VERSION STD UNIT WITH WATER PUMP OPTION HY UNIT WITH WATER TANK OPTION HN Water filter additional option supplied lo...

Page 25: ...of temperature Nominal difference of temperature Minimum difference of temperature Water outlet temperature C Variable Airflow Control Variable Airflow Control Glicol Part Load Glicol Glycol Applicat...

Page 26: ...nual eCOMFORT R32 MIL166E 0222 09 2022 1 5 HYDRAULIC SYSTEM DATA WATER FLOW AND AVAILABLE STATIC PRESSURE OF WATER PUMP Pressure kPa Pressure kPa Pressure kPa Pressure kPa Water flow rate m3 h Water f...

Page 27: ...OMFORT R32 MIL166E 0222 09 2022 Pressure KPa Pressure kPa Pressure kPa Pressure kPa Pressure kPa Water flow rate m3 h Water flow rate m3 h Water flow rate m3 h Water flow rate m3 h 1 GENERAL CHARACTER...

Page 28: ...OMFORT R32 MIL166E 0222 09 2022 Water flow rate m3 h Water flow rate m3 h Pressure kPa Pressure kPa Pressure KPa Pressure kPa Pressure kPa Water flow rate m3 h Water flow rate m3 h 1 GENERAL CHARACTER...

Page 29: ...GAH 185D 210D Installation manual eCOMFORT R32 MIL166E 0222 09 2022 Water flow rate m3 h Pressure kPa 1 GENERAL CHARACTERISTICS 1 5 HYDRAULIC SYSTEM DATA WATER FLOW AND AVAILABLE STATIC PRESSURE OF WA...

Page 30: ...6E 0222 09 2022 1 6 PRESSURE DROP IN THE WATER SYSTEM Water flow rate m3 h Water flow rate m3 h Pressure drop kPa Pressure drop kPa Pressure drop of the unit without water filter Pressure drop for opt...

Page 31: ...AH 035S 3 25 6 49 10 77 3 9 100 GAH 040S 3 54 7 09 11 77 4 5 100 GAH 045S 4 03 8 07 13 39 5 3 100 GAH 050S 4 34 8 69 14 42 5 3 100 GAH 055S 4 82 9 65 16 01 5 9 100 GAH 060S 5 44 10 87 18 05 6 9 N A GA...

Page 32: ...RT R32 MIL166E 0222 09 2022 1 8 PIPING DRAWINGS COOLING ONLY UNITS FILTER Electronic flow switch Electronic flow switch eDRIVE pump water pump options Flow switch Flow switch CUSTOMER CONNECTIONS CUST...

Page 33: ...09 2022 1 8 PIPING DRAWINGS COOLING ONLY UNITS Electronic flow switch Electronic flow switch Flow switch Flow switch CUSTOMER CONNECTIONS FILTER FILTER eDRIVE pump water pump options eDRIVE pump water...

Page 34: ...NGS COOLING ONLY UNITS Electronic flow switch Electronic flow switch Flow switch Flow switch eDRIVE pump water pump options Desuperheater Desuperheater CUSTOMER CONNECTIONS FILTER Discharge Circuit 1...

Page 35: ...Y UNITS Electronic flow switch Electronic flow switch Flow switch Flow switch eDRIVE pump water pump options Desuperheater Desuperheater CUSTOMER CONNECTIONS FILTER Discharge Circuit 1 Discharge Circu...

Page 36: ...NITS Electronic flow switch Electronic flow switch Flow switch Flow switch eDRIVE pump water pump options Desuperheater Desuperheater CUSTOMER CONNECTIONS FILTER Discharge Circuit 1 Discharge Circuit...

Page 37: ...ze heater High pressure transducer 2 Electrical heater Low pressure transducer 2 Liquid receiver Inlet water pressure Fan Outlet water pressure Scroll compressor Water flow switch Water Pump Electroni...

Page 38: ...ORT R32 MIL166E 0222 09 2022 1 8 PIPING DRAWINGS HEAT PUMP UNITS Electronic flow switch Electronic flow switch Flow switch Flow switch CUSTOMER CONNECTIONS FILTER FILTER eDRIVE pump water pump options...

Page 39: ...2 09 2022 1 8 PIPING DRAWINGS HEAT PUMP UNITS Electronic flow switch Electronic flow switch Flow switch Flow switch FILTER FILTER eDRIVE pump water pump options CUSTOMER CONNECTIONS CUSTOMER CONNECTIO...

Page 40: ...INGS HEAT PUMP UNITS Desuperheater Desuperheater Discharge Circuit 1 Discharge Circuit 1 FILTER FILTER CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS eDRIVE pump water pump options Electronic flow switch F...

Page 41: ...HEAT PUMP UNITS Desuperheater Desuperheater Discharge Circuit 1 Discharge Circuit 1 Discharge Circuit 2 FILTER FILTER CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS eDRIVE pump water pump options Electroni...

Page 42: ...ITS Desuperheater Desuperheater Discharge Circuit 1 Discharge Circuit 1 Discharge Circuit 2 Discharge Circuit 2 FILTER FILTER CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS eDRIVE pump water pump options E...

Page 43: ...eze heater High pressure transducer 2 Electrical heater Low pressure transducer 2 Liquid receiver Inlet water pressure Fan Outlet water pressure Scroll compressor Water flow switch Water Pump Electron...

Page 44: ...All dimensions in mm STANDARD VERSION OR WITH HIGH PRESSURE EC FANS HIPF UNIT WITH STANDARD AC FANS SFAC Hydraulic module with single pump Water tank Hydraulic module with twin pum Water filter suppl...

Page 45: ...WITH HIGH PRESSURE EC FANS HIPF UNIT WITH STANDARD AC FANS SFAC Hydraulic module with single pump Water tank Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Con...

Page 46: ...HIPF UNIT WITH STANDARD AC FANS SFAC Hydraulic module with single pump Flange connection Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts All dimensions in mm A...

Page 47: ...AC FANS SFAC All dimensions in mm All dimensions in mm Victaulic or welded connection Flange connection Flange connection Victaulic or welded connection Flange connection Flange connection Hydraulic m...

Page 48: ...ns in mm All dimensions in mm Controller connection 29 Victaulic or welded connection Flange connection Flange connection Controller connection 29 Victaulic or welded connection Flange connection Flan...

Page 49: ...C All dimensions in mm All dimensions in mm Hydraulic module with single pump Flange connection Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Domestic hot wat...

Page 50: ...imensions in mm All dimensions in mm Hydraulic module with single pump Flange connection Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Domestic hot water supp...

Page 51: ...ange connection Water tank Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Domestic hot water supply desuperheater Victaulic or welded connection Victaulic or w...

Page 52: ...Flange connection Water tank Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Domestic hot water supply desuperheater Victaulic or welded connection Flange conne...

Page 53: ...ions enclosed here in Accessories ordered for on site installation have been delivered and are in good working order If the unit is delivered with its operating charge of refrigerant that there has be...

Page 54: ...t 18 Minimum a maximum b operating pressure low c high d pressure side 19 Minimum a maximum b operating temperature low c high d pressure side 20 Minimum a maximum b storage temperature low c high d p...

Page 55: ...rainage should be installed behind the unit to collect and carry out the water where desired When positioning the unit be sure that the Rating Plate will always be visible since this data will be nece...

Page 56: ...spring Metallic structure Support Rubber mounting Flexible connection with loop Damping spring Metallic and concrete structure Support Rubber mounting Unit Unit 1 Mounting on a low sensibility zone 2...

Page 57: ...6 281 81 221 79 59 202 119 149 1191 GAC095SP1M 97 65 130 36 50 90 73 138 679 110 71 145 42 51 104 81 130 734 238 85 169 83 57 201 117 144 1094 GAC110SP1M 95 69 130 34 50 97 80 136 691 108 71 150 40 50...

Page 58: ...125SP1M 109 59 127 85 148 126 72 146 872 121 64 129 101 150 138 76 148 927 197 95 145 210 163 220 98 159 1287 GAH140SP1M 108 59 125 87 150 122 70 143 864 120 64 127 104 152 135 73 144 919 195 95 143 2...

Page 59: ...85DP1M 350 174 279 29 41 24 35 304 38 245 1519 GAH210DP1M 350 174 279 29 41 24 35 304 38 245 1519 1 2 3 4 5 6 7 8 9 10 GAC160DP1M 392 191 296 35 57 32 51 461 162 380 2057 GAC185DP1M 406 194 298 36 56...

Page 60: ...22 STANDARD VERSION OR WITH HIGH PRESSURE EC FANS HIPF UNIT WITH STANDARD AC FANS SFAC 2 6 INSTALLATION CLEARANCES Clearance around the unit for any unit version Keep this space free around the unit f...

Page 61: ...22 STANDARD VERSION OR WITH HIGH PRESSURE EC FANS HIPF UNIT WITH STANDARD AC FANS SFAC 2 6 INSTALLATION CLEARANCES Clearance around the unit for any unit version Keep this space free around the unit f...

Page 62: ...09 2022 STANDARD VERSION OR WITH HIGH PRESSURE EC FANS HIPF UNIT WITH STANDARD AC FANS SFAC 2 6 INSTALLATION CLEARANCES Clearance around the unit for any unit version Keep this space free around the u...

Page 63: ...event condensation If the external water pipes are in an area where the ambient temperature is likely to fall below 0 C insulate the piping and add an electric heater As an option the internal unit pi...

Page 64: ...e system Make sure no air enters the system 14 A crankcase heater is used to prevent coolant from migrating into the housing during periods of non use Installation of a crankcase heater is required wh...

Page 65: ...tection Failure to follow this advice may result in damage to the installation Optionally an immersion heater can be supplied complete with safety thermostat and pressure switch fitted in the buffer t...

Page 66: ...es must be properly connected and have a greater length than the phase wires Before connecting the electric power cables L1 L2 L3 it is imperative to check the correct order of the 3 phases before con...

Page 67: ...mm 3 x 50mm 1 x 25mm 125SP1M 3 x 25mm 1 x 16mm 3 x 35mm 1 x 16mm 3 x 50mm 1 x 25mm 3 x 70mm 1 x 35mm 140SP1M 3 x 35mm 1 x 16mm 3 x 50mm 1 x 25mm 3 x 70mm 1 x 35mm 3 x 70mm 1 x 35mm 110DP1M 3 x 25mm 1...

Page 68: ...x 70mm 1 x 35mm 3 x 35mm 1 x 16mm 3 x 95mm 1 x 50mm 125SP1M 3 x 25mm 1 x 16mm 3 x 70mm 1 x 35mm 3 x 50mm 1 x 25mm 3 x 95mm 1 x 50mm 140SP1M 3 x 35mm 1 x 16mm 3 x 70mm 1 x 35mm 3 x 70mm 1 x 35mm 3 x 1...

Page 69: ...that feeds our unit A differential of 300mA is recommended If the unit is equipped with variable condenser fans or variable speed pumps or compressor a type B differential is recommended CUSTOMER CON...

Page 70: ...he HP LP ratio on the number of compressor running on the water flow and on the water inlet temperature The unit will always be driven by the air conditioning load In any case if there is no load on t...

Page 71: ...essure Input and output connections are indicated on the certified drawing shipped with the unit or shown in the catalogue The use of a filter in the water circuit located upstream of the heat exchang...

Page 72: ...mmended to check pressures in the new cycle Always check before starting the unit that the three phase compressor rotates correctly by means of a phase detector Scroll type compressors only compress i...

Page 73: ...mes insufficient since this could cause rapid evaporator freeze up When the contact opens due to a lack of flow the unit must stop immediately If the purchaser installs a flow switch himself electrica...

Page 74: ...r nominal flow the difference between the inlet and water outlet temperature will vary slightly from 5 C as can be seen in the following table based on nominal flow rate T Water inlet temperature Wate...

Page 75: ...rosion 30 mg l No fluoride ions 0 1 mg l No Fe2 and Fe3 ions with dissolved oxygen Dissolved iron 5 mg l with dissolved oxygen 5 mg l Over those values it means a corrosion of steel which may generate...

Page 76: ...g work on a refrigeration system that involves exposing the pipework shall be avoid using any source of ignition in a way that could lead a fire hazard All sources of ignition shall be kept sufficient...

Page 77: ...s well as the cleanliness of the water WATER FILTER Clean the water inlet filter if necessary WATER PUMP When the installation is going to work with percentages of glycol up to 20 and water temperatur...

Page 78: ...ion of the condensors fans Check the rotation of the fan free rotation detection of vibrations or bearing noises Check for the Amps consumed on all three phases compare it with the nominal value given...

Page 79: ...nessof refrigeration components Check systematically all connections and fixings on the refrigeration circuit Check for oil traces eventually a leak test should be con ducted Check operating pressures...

Page 80: ...atalogue Plate exchanger Verify the general insulation state the tightness of the water connec tion and the freeze protection Check the expansion vessel if applicable Measure the pressure under the di...

Page 81: ...der copper aluminum This connection is protected from galvanic corrosion by a special resin encapsulated in a heats hrinkable sheath This sleeve must be regularly visually inspected during unit cleani...

Page 82: ...he entire surface to be covered with a brush Feel free to add some polyurethane sealant to ensure complete coverage of the area 4 3 2 Plate heat exchanger condensers Use a non corrosive solvent to rem...

Page 83: ...mandatory to purge oxygen free nitrogen through the piping during the brazing process During the execution of these compressor change tasks in the field the following recommendations must be followed...

Page 84: ...rical connections Carry out the vacuum above and below through the Schrader valves of the outdoor unit until 750 mm Hg is reached Once this level of vacuum has been reached keep the pump in operation...

Page 85: ...oil Check the ventilators The compressor stops when the low pressure switch is cut off Insufficient charge The water exchanger is blocked water side No water flow Expansion valve blocked Check the cha...

Page 86: ...84 Installation manual eCOMFORT R32 MIL166E 0222 09 2022 NOTES...

Page 87: ......

Page 88: ...ENNOX DISTRIBUTION 33 4 72 23 20 20 www lennoxemea com MIL166E 0222 09 2022 Due to LENNOX EMEA ongoing commitment to quality the specifications ratings and dimensions are subject to change without not...

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