Daikin EWYQ085G-XS [3/40] Refrigerant circuit

Содержание

• Air to water heat pump multiscroll 1
• Daikin 1
• Databook 1
• Ewyq g 1
• Hfc 410 a 1
• Code requirements safety and observant of laws directives 2
• Features and benefits 2
• Cabinet and structure 3
• Compressor 3
• Condenser 3
• Condenser fans 0 450 mm 3
• Electrical control panel 3
• Electronic expansion valve 3
• Evaporator plate heat exchanger 3
• General characteristics 3
• Power section 3
• Refrigerant 3
• Refrigerant circuit 3
• Unit controller 3
• Contmlsectionjnain_feratures 4
• General characteristics 4
• Safety device logic for each refrigerant circuit 4
• Supervising systems on reguest 4
• System security 4
• Unit controller 4
• Additional information related to f gas regulation eu no 517 2014 of the european parliament and of the council of 16 april 2014 on fluorinated greenhouse gases and repealing regulation ec no 842 2006 5
• General characteristics 5
• Note equipment contains fluonnated greenhouse gases actual refrigerant charge depends on the final unit construction details can be found on the unit labels 5
• Refrigerant type 5
• Ambient outside temperature sensor and setpoint reset 6
• Brine version 6
• Coil guards 6
• Direct on line starter dol 6
• Double pressure relief valve with diverter 6
• Double setpoint 6
• Electronic expansion valve 6
• Evaporator electric heater 6
• Evaporator flow switch 6
• Evaporator victaulic kit 6
• General fault contactor 6
• High and low pressure side manometers 6
• Hour run meter 6
• Inertial tank installed on board 6
• Main switch interlock door 6
• Master slave 6
• Mechanical 6
• Mm evaporator insulation 6
• One centrifugal pump high lift 6
• One centrifugal pump low lift 6
• Options 6
• Options on request 6
• Partial heat recovery 6
• Standard options supplied on basic unit 6
• Suction and discharge line shut off valve 6
• Two centrifugal pump high lift 6
• Two centrifugal pump low lift 6
• Water filter 6
• Options 7
• Nomenclature 8
• Air heat exchanger 9
• Casing 9
• Compressor 9
• Cooling performance 9
• Dimensions 9
• Ewyq g xs 9
• Model 075 085 100 110 120 140 9
• Piping connections 9
• Refrigerant circuit 9
• Sound level 9
• Technical specifications 9
• Water heat exchanger 9
• Weight 9
• Air heat exchanger 10
• Casing 10
• Compressor 10
• Cooling performance 10
• Dimensions 10
• Ewyq g xs 10
• Model 160 10
• Piping connections 10
• Refrigerant circuit 10
• Sound level 10
• Technical specifications 10
• Water heat exchanger 10
• Weight 10
• Air heat exchanger type 5 11
• Casing 11
• Compressor type 11
• Cooling performance 11
• Dimensions 11
• Ewyq g xr 11
• Model 075 085 100 110 120 140 11
• Piping connections 11
• Refrigerant circuit 11
• Sound level 11
• Technical specifications 11
• Water heat exchanger 11
• Weight 11
• Air heat exchanger type 12
• Casing 12
• Compressor type 12
• Cooling performance 12
• Dimensions 12
• Ewyq g xr 12
• Fan type 6 12
• Model 160 12
• Piping connections 12
• Refrigerant circuit 12
• Sound level 12
• Technical specifications 12
• Water heat exchanger type 3 12
• Weight 12
• Ewyq g xs 13
• Heat exchanger evaporator 13
• Heating performance 13
• Model 075 085 100 110 120 140 13
• Model 160 13
• Technical specifications heating mode 13
• Ewyq g xr 14
• Heat exchanger evaporator 14
• Heating performance 14
• Model 075 085 100 110 120 140 14
• Model 160 14
• Technical specifications heating mode 14
• Compressors 15
• Electrical specifications 15
• Ewyq g xs 15
• Model 075 085 100 110 120 140 15
• Model 160 15
• Power supply 15
• Compressors 16
• Electrical specifications 16
• Ewyq g xr 16
• Model 075 085 100 110 120 140 16
• Model 160 16
• Power supply 16
• Ewyq g xs 17
• Hz 125 hz 250 hz 500 hz 1000 hz 2000 hz 4000 hz 8000 hz 17
• Sound levels 17
• Sound pressure level at 1 m from the unit rif 2 x 10 5 pa power db a 17
• Ewyq g xr 18
• Hz 125 hz 250 hz 500 hz 1000 hz 2000 hz 4000 hz 8000 hz 18
• Sound levels 18
• Sound pressure level at 1 m from the unit rif 2 x 10 5 pa power db a 18
• Cooling mode 19
• Operating limits 19
• Ewyq g xr high efficiency reduced noise 20
• Ewyq g xs high efficiency standard noise 20
• Heating mode 20
• Legend 20
• Operating limits 20
• Outside air temperature c 20
• O 300 ooo 900 1200 1500 1800 21
• Operating limits 21
• Table 3 air heat exchanger altitude correction factors 21
• Table 4 minimum glycol percentage for low air ambient temperature 21
• Water content in cooling circuits 21
• Operating limits 22
• Ewyq g xs 23
• Performance in cooling mode 23
• Twout tain 25 30 35 40 43 46 25 30 35 40 43 46 23
• Ewyq g xs 24
• Performance in cooling mode 24
• Twout tain 25 30 35 40 43 46 24
• Twout tain 25 30 35 40 43 46 25 30 35 40 43 46 24
• Ewyq g xr 25
• Performance in cooling mode 25
• Twout tain 25 30 35 40 43 46 25 30 35 40 43 46 25
• Ewyq g xr 26
• Performance in cooling mode 26
• Twout tain 25 30 35 40 43 46 26
• Twout tain 25 30 35 40 43 46 25 30 35 40 26
• Ewyq g xs 27
• Performance in heating mode 27
• Tain twout 10 5 0 2 7 10 10 5 0 2 7 10 27
• Ewyq g xs 28
• Performance in heating mode 28
• Tain twout 10 5 0 2 7 10 28
• Tain twout 10 5 0 2 7 10 10 5 0 2 7 10 28
• 10 10 5 0 29
• Ewyq g xr 29
• Performance in heating mode 29
• Tain twout 10 5 0 29
• Tain twout 10 5 0 2 7 10 10 5 0 2 7 10 29
• Ewyq g xr 30
• Performance in heating mode 30
• Tain twout 10 5 0 2 7 10 30
• Tain twout 10 5 0 2 7 10 10 5 0 2 7 10 30
• Low lift single and double pump 31
• Options îtechnical data 31
• Water pump kit for ewyq g xs xr high efficiency version 31
• Ewaq g xs xr high efficiency version 32
• Filter pressure drop 32
• Filter pressure drops size 2 v2 32
• Options technical data 32
• Water pump kit technical information 32
• A b c d e f g h 33
• Dimensional drawing 33
• Ewyq075g xs 33
• Ewyq085g xs 33
• Ewyq100g xs 33
• Ewyq110g xs 33
• Ewyq120g xs 33
• Ewyq140g xs 33
• Ewyq160g xs 33
• A b c d e f g h 34
• Dimensional drawing 34
• Ewyq075g xr 34
• Ewyq085g xr 34
• Ewyq100g xr 34
• Ewyq110g xr 34
• Ewyq120g xr 34
• Ewyq140g xr 34
• Ewyq160g xr 34
• Handling 35
• Installation notes 35
• Location 35
• Space requirements 35
• Warning 35
• Acoustic protection 36
• Installation notes 36
• Storage 36
• The environment conditions have to be in the following limits 36
• When noise level must meet special requirements it is necessary to pay the maximum attention to ensure the perfect insulation of the unit from the support base by applying appropriate vibration dampening devices on the unit on the water pipes and on the electrical connections 36
• Compressors 37
• Dimensions 37
• Evaporator phe 37
• General 37
• Refrigerant 37
• Sound level and vibrations 37
• Technical specifications 37
• Unit description 37
• Warning 37
• Condensation control 38
• Condenser coil 38
• Condenser fans 38
• Controller 38
• Controller main features 38
• Electrical control panel 38
• Hydronic kit options on request 38
• Low sound unit configurations on request 38
• Refrigerant circuit 38
• Technical specifications 38
• High level communications interface on request 39
• Technical specifications 39
• Daikin eukope nn 40

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GENERAL CHARACTERISTICS Cabinet and structure The cabinet is made of galvanized steel sheet and painted to provide a high resistance to corrosion Colour Ivory White Munsell code 5Y7 5 1 RAL7044 The base frame has an eye hook to lift the unit with ropes for an easy installation The weight is uniformly distributed along the profiles of the base and this facilitates the arrangement of the unit Compressor The compressor is hermetic orbiting scroll compressor complete with motor over temperature and over current devices An oil heater which starts automatically keeps the oil from being diluted by the refrigerant when the compressor stops The compressors are connected in Tandem on a single refrigerating circuit and are fitted on rubber antivibration mounts and complete with oil charge Refrigerant Units have been optimized to operates with R 410A refrigerant with zero ODP Ozone Depletion Potential R 410A has been the logical choice for our multiple scroll chiller because today it is one of the most promising refrigerants in terms of efficiency stability and environmental impact R 410A offers a small swept volume a good heat exchange capacity and leads to reduced component sizes of items such as heat exchangers and tubing Evaporator Plate Heat Exchanger The unit is equipped with a direct expansion plate to plate type evaporator This heat exchanger is made of stainless steel brazed plates and is covered with a 20mm closed cell insulation material The exchanger is equipped with an electric heater for protection against freezing The evaporator is manufactured in accordance to PED approval Condenser The condenser is manufactured with internally enhanced seamless copper tubes arranged in a staggered row pattern and mechanically expanded into lanced and rippled aluminum condenser fins with full fin collars An integral sub cooler circuit provides sub cooling to effectively eliminate liquid flashing and increase cooling capacity without increasing the power input Condenser fans 0 450 mm The condenser fans are propeller type with high efficiency design blades to maximize performances The material of the blades is glass reinforced resin and each fan is protected by a guard Fan motors are internally protected from overtemperature and are IP54 Electronic expansion valve The unit is equipped with the most advanced electronic expansion valves to achieve precise control of refrigerant mass flow As today s system requires improved energy efficiency tighter temperature control wider range of operating conditions and incorporate features like remote monitoring and diagnostics the application of electronic expansion valves becomes mandatory Electronic expansion valves possess unique features short opening and closing time high resolution positive shut off function to eliminate use of additional solenoid valve continuous modulation of mass flow without stress in the refrigerant circuit and corrosion resistance stainless steel body Electronic expansion valves are typically working with lower difference between high and low pressure side than a thermostatic expansion valve The electronic expansion valve allows the system to work with low condenser pressure winter time without any refrigerant flow problems and with a perfect chilled water leaving temperature control Refrigerant circuit Each unit has 1 refrigerant circuit that includes Compressors Refrigerant Evaporator Air Cooled Condenser Electronic expansion valve Charging valves High pressure switch High pressure transducers Low pressure transducers Suction temperature sensor Electrical control panel Power and control are located in the main panel that is manufactured to ensure protection against all weather conditions The electrical panel is IP54 and when opening the doors internally protected against possible accidental contact with live parts The main panel is fitted with a main switch interlocked door that shuts off power supply when opening Power Section The power section includes compressors and fans protection devices compressors and fans starters and control circuit power supply Unit controller Unit controller is installed as standard it can be used to modify unit set points and check control parameters A built in display shows chiller operating status plus temperatures of water refrigerant programmable values set points A sophisticated software with predictive logic selects the most energy efficient combination of compressors and EEXV to keep stable operating conditions to maximise chiller energy efficiency and reliability The unit controller is able to protect critical components based on external signs from its system such as motor temperatures refrigerant gas and oil pressures pressure switches and evaporator The input coming from the high pressure switch cuts all digital output from the controller in less than 50ms this is an additional security for the equipment 3 40