Lennox GAH 020S Installation, Operating And Maintenance Manual Download Page 23 | Manualshive

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GAC 020S-025S-030S-035S-040S-045S

GAC 055S-060S-070S-080S

Installation manual /

eCOMFORT-MIL150E-0916 / 05/2017

1.8.- PIPING DRAWINGS

COOLING ONLY UNITS

1.- GENERAL CHARACTERISTICS

CUSTOMER CONNECTIONS

FILTER

FILTER

Electronic fl ow switch

Electronic fl ow switch

eDRIVE pump (option)

eDRIVE pump + water pump (options)

eDRIVE pump (option)

Flow switch

Flow switch

CUSTOMER
CONNECTIONS

CUSTOMER
CONNECTIONS

CUSTOMER
CONNECTIONS

FILTER

FILTER

eDRIVE pump + water pump (options)

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Summary of Contents for GAH 020S

Page 1: ...www lennoxemea com eCOMFORT 20 190 kW AIR COOLED LIQUID CHILLER HEATPUMP INSTALLATION OPERATING AND MAINTENANCE MIL150E 0916 05 2017...

Page 2: ......

Page 3: ...aulic system data Pressure drop in the water system Water flow Piping drawings Dimensions INSTALLATION Transport Handling Site and shipping guidance Unit lifting Antivibration mounting Weight distribu...

Page 4: ...ons We reserve the right to modify the construction and or design of our eComfort chillers at any time without prior notification or obligation to adapt previous supplies accordingly Any work on the C...

Page 5: ...ked to take appropriated actions This applies to all machine installed with nominal amps below 75A The short circuit rate Rsce 33 is defined in the EN61000 3 12 standard relative to the harmonics read...

Page 6: ...efined in EU Regulation No 517 2014 on fluorinated greenhouse gases EC 1005 2009 on substances that deplete the ozone layer Non compliance with these requirements is an offence and liable of financial...

Page 7: ...le 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 refrigerant at t...

Page 8: ...it Options Installed Comments DATA INPUT COOLING CYCLE HEATING CYCLE Air Input Temperature Coil Water Output Temperature Water Input Temperature High Pressure Low Pressure ELECTRIC POWER CONSUMPTION C...

Page 9: ...lic module with high pressure single pump Hydraulic module with high pressure twin pump Hydraulic module with eDrive high pressure single pump Hydraulic module with eDrive high pressure twin pump Bypa...

Page 10: ...0D 185D Kw 90 5 105 6 120 4 104 7 121 0 136 5 159 3 181 4 Kw 91 2 103 4 118 1 106 3 121 1 135 8 157 2 174 5 3 Scroll 2 2 Scroll 2 2 Scroll 3 2 Scroll 2 1 2 3 m3 h 15 6 18 2 20 7 18 0 20 8 23 5 27 4 31...

Page 11: ...ronic module Low pressure pump Type Stainless steel threaded centrifugal pumps High pressure pump Expansion vessel Type Fixed membrane expansion vessel Max pressure bar Volume dm3 Buffer tank Type Iso...

Page 12: ...GAH070S GAH 080S Installation manual eCOMFORT MIL150E 0916 05 2017 1 1 TECHNICAL DATA 1 GENERAL CHARACTERISTICS FAN DATA Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h P...

Page 13: ...D GAH 125D Installation manual eCOMFORT MIL150E 0916 05 2017 1 1 TECHNICAL DATA 1 GENERAL CHARACTERISTICS FAN DATA Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressur...

Page 14: ...allation manual eCOMFORT MIL150E 0916 05 2017 1 1 TECHNICAL DATA 1 GENERAL CHARACTERISTICS FAN DATA NOTE For GAC units consider 3 more of airflow Airflow rate m3 h Pressure Pa Airflow rate m3 h Pressu...

Page 15: ...3 3 6 5 6 5 6 5 kW 1 6 2 1 2 1 1 6 2 1 2 1 3 2 3 7 A 6 5 6 5 6 5 6 5 6 5 7 6 7 6 7 6 kW 9 9 9 9 9 12 12 12 A 13 13 13 13 13 17 3 17 3 17 3 kW 27 27 27 27 27 36 36 36 A 39 39 39 39 39 52 52 52 kW 36 36...

Page 16: ...he installer Hydraulic connections Customer connection COMPONENTS STANDARD VERSION UNIT WITH WATER PUMP OPTION UNIT WITH WATER TANK OPTION Water filter additional option supplied loose Expansion vesse...

Page 17: ...flow control Variable air flow control glycol Part load glycol Variable air flow control AMBIENT TEMPERATURE C LEAVING WATER TEMPERATURE C UNITS WITH LOW WATER TEMPERATURE KIT OPTION DIFFERENCE OF TE...

Page 18: ...tion manual eCOMFORT MIL150E 0916 05 2017 1 GENERAL CHARACTERISTICS 1 5 HYDRAULIC SYSTEM DATA WATER FLOW AND AVAILABLE STATIC PRESSURE OF WATER PUMP Pressure kPa Pressure kPa Pressure kPa Pressure kPa...

Page 19: ...al eCOMFORT MIL150E 0916 05 2017 1 GENERAL CHARACTERISTICS 1 5 HYDRAULIC SYSTEM DATA WATER FLOW AND AVAILABLE STATIC PRESSURE OF WATER PUMP Pressure KPa Pressure kPa Pressure kPa Pressure kPa Pressure...

Page 20: ...185D Installation manual eCOMFORT MIL150E 0916 05 2017 1 GENERAL CHARACTERISTICS 1 5 HYDRAULIC SYSTEM DATA WATER FLOW AND AVAILABLE STATIC PRESSURE OF WATER PUMP Water flow rate m3 h Water flow rate m...

Page 21: ...G A C H 0 5 5 S 0 6 0 S G A C H 0 2 0 S 0 2 5 S G A C H 0 3 0 S 0 3 5 S G A C H 0 4 0 S 0 4 5 S 0 0 20 40 60 80 100 120 140 160 180 5 10 15 20 25 30 35 40 45 50 55 Installation manual eCOMFORT MIL150E...

Page 22: ...GAH 020S 1 7 3 4 5 7 4 0 100 GAH 025S 2 1 4 2 7 0 4 0 100 GAH 030S 2 7 5 3 8 9 4 6 100 GAH 035S 3 1 6 3 10 4 4 6 100 GAH 040S 3 4 6 8 11 3 5 2 100 GAH 045S 3 9 7 7 12 8 5 2 100 GAH 055S 4 7 9 3 15 5...

Page 23: ...GS COOLING ONLY UNITS 1 GENERAL CHARACTERISTICS CUSTOMER CONNECTIONS FILTER FILTER Electronic flow switch Electronic flow switch eDRIVE pump option eDRIVE pump water pump options eDRIVE pump option Fl...

Page 24: ...flow switch Electronic flow switch eDRIVE pump option eDRIVE pump option Flow switch Flow switch CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS FILTER FILTER FILTER FILTER TANK eDRIVE pump water pump opti...

Page 25: ...onic flow switch eDRIVE pump option Flow switch Flow switch eDRIVE pump water pump options Desuperheater Desuperheater CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS FILTER FILTER Discharge Circuit 1 Disch...

Page 26: ...ansducer 2 Liquid receiver Inlet water pressure Fan Outlet water pressure Scroll compressor Water flow switch Water Pump Electronic water flow switch Partial Heat Recovery Condenser Suction liquid hea...

Page 27: ...TICS 1 8 PIPING DRAWINGS HEAT PUMP UNITS Electronic flow switch Electronic flow switch Flow switch Flow switch CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS FILTER FILTER FILTER FILTER TANK TANK eDRIVE pu...

Page 28: ...w switch Electronic flow switch Flow switch Flow switch FILTER FILTER FILTER FILTER TANK TANK eDRIVE pump option eDRIVE pump water pump options CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS CUSTOMER CONNE...

Page 29: ...arge Circuit 1 Discharge Circuit 1 Discharge Circuit 2 Discharge Circuit 2 FILTER FILTER FILTER FILTER CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS CUSTOMER CONNECTIONS eDRIVE pump w...

Page 30: ...ransducer 2 Liquid receiver Inlet water pressure Fan Outlet water pressure Scroll compressor Water flow switch Water Pump Electronic water flow switch Partial Heat Recovery Condenser Suction liquid he...

Page 31: ...AL CHARACTERISTICS 1 9 DIMENSIONS STANDARD VERSION UNIT WITH STANDARD EC FANS SEAS OR HIGH PRESSURE EC FANS HIPF 3 meters 1 meter 1 meter 1 meter 3 meters 1 meter 1 meter 1 meter Hydraulic module with...

Page 32: ...WITH STANDARD EC FANS SEAS OR HIGH PRESSURE EC FANS HIPF Hydraulic module with single pump Water tank Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Controlle...

Page 33: ...ulic module with single pump Flange connection Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts All dimensions in mm All dimensions in mm 3 meters 3 meters 1 m e...

Page 34: ...HIPF All dimensions in mm All dimensions in mm Controller connection 29 Controller connection 29 3 meters 1 m eter 1 m eter 1 meter 1 meter 3 meters 1 m eter 1 m eter 1 meter 1 meter Victaulic or weld...

Page 35: ...dimensions in mm 5 meters 1 5 m eters 1 5 m eters 1 5 meters 1 5 meters Controller connection 29 Victaulic or welded connection Flange connection Flange connection Controller connection 29 Victaulic o...

Page 36: ...ions 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 supply desuperheater Victaulic...

Page 37: ...ic module with single pump Flange connection Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Domestic hot water supply desuperheater Victaulic or welded connect...

Page 38: ...ion mounts Domestic hot water supply desuperheater 5 meters 5 meters 1 5 m eters 1 5 m eters 1 5 m eters 1 5 m eters 1 5 meters 1 5 meters 1 5 meters 1 5 meters Victaulic or welded connection Victauli...

Page 39: ...er tank Hydraulic module with twin pum Water filter supplied loose Rubber anti vibration mounts Domestic hot water supply desuperheater 5 meters 1 5 m eters 1 5 m eters 1 5 meters 1 5 meters Victaulic...

Page 40: ...good working order If the unit is delivered with its operating charge of refrigerant that there has been no leakage use an electronic detector The equipment supplied corresponds to the order and matc...

Page 41: ...t s delivery notice Any later complaint or claim made to the LENNOX Distribution Deparent for this type of anomaly cannot be considered under the Guarantee Sufficient space must be allowed to facilita...

Page 42: ...pring 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 M...

Page 43: ...35 124 143 1036 GAH070SM1M 94 86 81 86 82 92 88 107 715 106 93 87 104 90 100 93 100 773 149 128 110 149 117 139 128 147 1068 GAH080SM1M 102 93 87 93 89 99 95 115 773 114 100 94 112 96 108 100 107 831...

Page 44: ...M 171 174 170 165 163 158 157 144 144 154 1600 GAH160DM1M 183 186 181 176 174 169 168 154 154 164 1709 GAH185DM1M 190 194 189 183 182 176 174 160 160 171 1780 1 2 3 4 5 6 7 8 9 10 GAC140DM1M 191 187 1...

Page 45: ...units as shown will impact performance and reliability 3 meters 3 meters 3 meters 3 meters 3 meters 5 meters 5 meters 3 meters 1 m eter 1 m eter 1 m eter 1 m eter 1 m eter 1 5 m eters 1 5 m eters 1 m...

Page 46: ...all the units as shown will impact performance and reliability STANDARD VERSION UNIT WITH STANDARD EC FANS SEAS OR HIGH PRESSURE EC FANS HIPF 5 meters 5 meters 1 5 m eters 1 5 m eters 1 5 m eters 1 5...

Page 47: ...to cooling operation for a short period When the evaporation temperature starts to drop a defrost period sets in to provide sufficient heat transfer During defrosting the ice melts from the batteries...

Page 48: ...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 tank of...

Page 49: ...m 1 x 35 mm 3 x 70 mm 1 x 35 mm 3 x 120 mm 1 x 70 mm 140DM1M 3 x 50 mm 1 x 25 mm 3 x 95 mm 1 x 50 mm 3 x 70 mm 1 x 35 mm 3 x 150 mm 1 x 95 mm 160DM1M 3 x 70 mm 1 x 35 mm 3 x 95 mm 1 x 50 mm 3 x 95 mm...

Page 50: ...from the 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 loa...

Page 51: ...ponsible use of these equipment For this reason we invite you to use these machines in a responsible way with the environment combining the adequate comfort with a responsible consumption of the energ...

Page 52: ...ding to the water evaporator set point 2238 2237 Outside air temperature corresponding to the water evaporator set point 2239 2238 Water temperature set point corresponding to the outside air temperat...

Page 53: ...Evap 1 or 2 in case of double pump Check the flow switch status in the menu 2218 Check the electrical consumptions in case of variable pump in the pump technical service screen pressing PRG Check the...

Page 54: ...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 Water...

Page 55: ...sion 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 a...

Page 56: ...ressor mountings FANS Check that fans turn freely and in the correct direction without excessive noises CONTROL Check Set Points and normal operation WATER If the installation contains anti freeze reg...

Page 57: ...ondensors 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 in the elec...

Page 58: ...on components Check systematically all connections and fixings on the refrigeration circuit Check for oil traces eventually a leak test should be conduct ed Check operating pressures correspond to the...

Page 59: ...x 15 C Check the circuit pressure Check casing and equipment corrosion To treat and neutralize eventuals rust spots Check the watertightness of the unit and it s accessories Verify the gaskets if crac...

Page 60: ...by a special resin encapsulated in a heats hrinkable sheath This sleeve must be regularly visually inspected during unit cleaning operations to detect a possible prema ture deterioration Specific main...

Page 61: ...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 remove scale deposits The equipment to be...

Page 62: ...at least one hour DO NOT USE THE COMPRESSOR AS A VACUUM PUMP If the compressor runs in vacuum it will fail Charge the unit with refrigerant according to the data on the Rating Plate for the unit and c...

Page 63: ...t the motor cool Connect properly Check operation The compressor stops when the high pressure switch is cut off Condenser coil blocked Unit operating outside of limiting Abnormal operation of the fans...

Page 64: ...t liquid gas could be thrown out of the unit Provide anti frost protection ei Water treated with Glycol or trace heaters along the pipe work Indications in the technical IOM supplied with the unit 5A...

Page 65: ...Leaks Authorized oils Refer to the compressor nameplate or the documentation Indication on the compres sor nameplate or the man ufacturer documentation 13A Working on a part under pressure Risk of ex...

Page 66: ...64 Installation manual eCOMFORT MIL150E 0916 05 2017 NOTES...

Page 67: ......

Page 68: ...ENNOX DISTRIBUTION 33 4 72 23 20 20 www lennoxemea com MIL150E 0916 05 2017 Due to LENNOX EMEA ongoing commitment to quality the specifications ratings and dimensions are subject to change without not...

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