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Daikin EWYT215B-XSA2 [72/75] Specifications
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INSTALLATIONS NOTES
72 | 75
SPECIFICATIONS
Unit description Unit shall include one or two independent refrigerant circuits, hermetic orbiting scroll type
optimized for R-32 operation, electronic expansion device (EEXV), direct expansion, PHE Water Side Heat
Exchanger, air-cooled Air Side Heat Exchanger section made with aluminum Microchannel technology, R-32
refrigerant, lubrication system, motor starting components, control system and all components necessary
for a safe and stable unit operation.
The unit will be factory assembled on a robust base frame made of galvanized steel, protected by an epoxy
paint.
Sound level and vibrations Sound power level shall not exceed ………dB(A). The sound power levels must be
rated in accordance to ISO 9614 (other types of rating cannot be used). Vibration on the base frame should
not exceed 2 mm/s.
Dimensions Unit dimensions shall not exceed following indications:
- Unit length............... mm
- Unit width............... mm
- Unit height............... mm
Compressors
Hermetic orbiting scroll type optimized for R-32 operation and complete with motor over-temperature and
over-current protection devices. Each compressor equipped with oil heater that keeps the oil from being
diluted by the refrigerant when the unit is not running. Each compressor is mounted on rubber antivibration
mounts for a quite operation. Unit is delivered with complete oil charge.
Water Side Heat Exchanger
The units shall be equipped with a direct expansion plate to plate type Water Side Heat Exchanger
•
The Water Side Heat Exchanger will be made of stainless steel brazed plates and shall be linked with an
electrical heater controlled by a thermostat and shall be insulated with flexible, closed cell polyurethane
insulation material
•
The water connections shall be VICTAULIC type connections as standard to ensure quick mechanical
disconnection between the unit and the hydronic network
•
The Water Side Heat Exchanger will be manufactured in accordance to PED approval
•
Flow switch on Water Side Heat Exchanger available as option (shipped loose)
•
Water folter on Water Side Heat Exchangeravailable as option (shipped loose)
Air Side Heat Exchanger coil The Air Side Heat Exchanger is made entirely of aluminum with flat tubes
containing small channels.
Full - depth louvered aluminum fins are inserted between the tubes maximizing the heat exchange.
The Microchannel technology ensures the highest performance with the minimum surface for the exchanger. The
quantity of refrigerant is also reduced compared to Cu/Al Air Side Heat Exchanger, Special treatments ensure
resistance to thecorrosion by atmospheric agents extending the life time (available on request).
Air Side Heat Exchanger fans The Air Side Heat Exchanger fans used in conjunction with the Air Side Heat
Exchanger coils, shall be propeller with glass reinforced resin blades for higher efficiencies and lower sound.
Each fan shall be protected by a fan guard.
•
The air discharge shall be vertical and each fan must be coupled to the electrical motor, supplied as standard
to IP54 and capable to work to ambient temperatures of - 20°C to + 65°C.
•
The Air Side Heat Exchanger fans shall have as a standard a thermally protection by internal thermal motor.
Refrigerant circuit The unit shall have one or two independent refrigerant.
•
The circuit shall include as standard: electronic expansion device dived by unit’s microprocessor control,
liquid line shut-off valve, sight glass with moisture indicator, filter drier, charging valves, high pressure
switch, high and low pressure transducers, oil pressure transducer and insulated suction line, Condensation
control. The units will be provided with an automatic control for condensing pressure which ensures the
working at low external temperatures down to - …………… °C, to maintain condensing pressure.
•
The unit automatically unloads when abnormal high condensing pressure is detected. This to prevent the
shutdown of the refrigerant circuit (shutdown of the unit) due to a high-pressure fault.
The compressor shall be connected to unit’s metal base frame by rubber anti vibration supports to prevent
the transmission of vibrations to all metal unit structure, in order to limit the unit noise emissions. The unit
shall be provided with an acoustical compressor enclosure (according to the version). This enclosure shall be
realized with a light, corrosion resisting aluminum structure and metal panels. The compressor sound-proof
enclosure (available as option) shall be internally fitted with flexible, multi-layer, high density materials.
Содержание
- Air cooled heat pump with scroll compressors 1
- Databook 1
- Ewyt b 1
- General characteristics 2
- General characteristics 3
- General characteristics 4
- General characteristics 5
- General characteristics 6
- 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 7
- N of circuits 7
- Refrigerant charge circuit 1 kg 7
- Refrigerant charge circuit 1 tco2eq 7
- Refrigerant charge circuit 2 kg 7
- Refrigerant gwp 7
- Unit model refrigerant type 7
- General characteristics 8
- Nomenclature 8
- Options 9
- Standard options supplied on basic units 9
- Mechanical options on request 10
- Options 10
- Electrical options on request 11
- Options 11
- Options 12
- Version high ambient kit high ambient kit 12
- Fan mod op 60b c 13
- Fan mod op 61b 13
- Fan mod op161b 13
- Options 13
- Pa esp fans 13
- Pa esp inverter fans op code 160b xs xl double v coil units only op incompatibility 99 99a 42 142a 142b 142c 160 160c 161b special vfd fans providing 100 pa esp the envelope doesn t change if the option is selected check the css for more information 100 pa esp brushless fans op code 160c ss sl double v coil units only op incompatibility 99 99a 42 142a 142b 142c 160 160b 161b special brushless fans providing 100 pa esp the envelope doesn t change if the option is selected check the css for more information 200 pa esp brushless fans op code 161b double v coil units only op incompatibility 42 99 99a 142a 142b 142c 160 160b 160c special brushless fans providing 200 pa esp the envelope doesn t change if the option is selected check the css for more information 13
- Variable primary flow op code 143 by selecting op 143 the unit can manage the variable primary water flow according to the differential pressure measured in a specific point of the plant selected by the plant designer the differential pressure transducer is available as option from the factory op code 144 once installed the differential pressure transducer must be connected to the unit as an alternative the unit controller can receive directly the differential pressure value from an external bms communicating with the standards communication protocols eg modbus 13
- Version 100pa esp on ff fans 13
- Options 14
- Installation options on request 15
- Options 15
- Other options on request 15
- Ewyt b ss 16
- Technical specification 16
- Technical specification 17
- Technical specification 18
- Ewyt b sl 19
- Technical specification 19
- Technical specification 20
- Technical specification 21
- Ewyt b sr 22
- Technical specification 22
- Technical specification 23
- Technical specification 24
- Ewyt b xs 25
- Technical specification 25
- Technical specification 26
- Technical specification 27
- Ewyt b xl 28
- Technical specification 28
- Technical specification 29
- Technical specification 30
- Ewyt b xr ewyt b xr 31
- Technical specification 31
- Technical specification 32
- Technical specification 33
- Ewyt b sl 34
- Ewyt b ss ewyt b ss 34
- Technical specification technical specification 34
- Ewyt b sr 35
- Technical specification 35
- Ewyt b xs 36
- Technical specification 36
- Ewyt b xl ewyt b xl 37
- Ewyt b xr 37
- Technical al specification 37
- Technical al specification 38
- Electrical specification 39
- Ewyt b ss ewyt b ss 39
- Electrical specification 40
- Ewyt b sl 40
- Electrical specification 41
- Electrical specification 42
- Ewyt b sr ewyt b sr 42
- Electrical specification 43
- Ewyt b xs 43
- Electrical specification 44
- Electrical specification 45
- Ewyt b xl ewyt b xl 45
- Electrical specification 46
- Ewyt b xr 46
- Electrical specification 47
- Ewyt b sl 48
- Ewyt b ss 48
- Sound levels 48
- Ewyt b sr 49
- Ewyt b xs 49
- Sound levels 49
- Ewyt b xl 50
- Ewyt b xr 50
- Sound levels 50
- Envelope 51
- Ewyt b s silver series parallel and double v coil heating 51
- Ewyt b x gold series parallel and double v coil heating ewyt b x gold series parallel and double v coil heating 51
- Sound levels 51
- Envelope 52
- Ewyt b s silver series parallel coil cooling 52
- Ewyt b x gold series parallel coil cooling ewyt b x gold series parallel coil cooling 52
- Sound levels 52
- Elwt evaporator leaving water temperature ref 1 operation with elwt 4 c requires option 08 brine and glycol 54
- Installation notes 54
- Minimum glycol percentage for low air ambient temperature to prevent freezing of the hydraulic circuit 54
- Model min flow l s max flow l s model min flow l s max flow l s 54
- Oat outside ambient temperature 54
- Ref 2 operation at ambient temperatures 10 c requires option 99a fan speed modulation or option 42 speedtroll 54
- Ref 3 units with the reduced noise configuration can increase the sound level in this area 54
- Ref 4 partial load operation operation at full load may require option 142a b c high ambient temperature kit 54
- The above graphic represents a guideline about the operating limits of the range please refer to the latest unit selection software css for real operating limits working conditions for each size 54
- The following tables indicate the minimum and maximum water flow allowed for each model the minimum flow indicated correspond to the minimum flow allowed at minimum load for the unit it is not intended as minimum flow allowed for unit full load operation for minimum flow allowed maximum deltat in full load operation refer to selection software the below values are referred to pure water in case of glycol mixture contact factory note the performances are certified at standard conditions and with the unit operating with the nominal water flow 54
- The minimum and maximum allowed δt at full load conditioins are respectively 2 5 c and 10 c contact factory in case lower or higher δt are required minimum and maximum water side heat exchanger flows are to be respected withing the δt range above 54
- The presence of glycol in the water system will affect unit performances refer to the selection software for details all machine protection systems such as antifreeze and low pressure protection will need to be set in accordance to the type and percentage of the glycol and plant requirements 54
- Water flow 54
- Water heat exchanger maximum maximum water δt 54
- Single pump low lift high efficiency 57
- Single pump low lift standard efficiency 57
- Single pump low lift high efficiency 58
- Single pump low lift standard efficiency 58
- Single pump high lift high efficiency 59
- Single pump high lift standard efficiency 59
- Single pump high lift high efficiency 60
- Single pump high lift standard efficiency 60
- Double pump low lift high efficiency 61
- Double pump low lift standard efficiency 61
- Double pump low lift high efficiency 62
- Double pump low lift standard efficiency 62
- Double pump high lift high efficiency 63
- Double pump high lift standard efficiency 63
- Double pump high lift high efficiency 64
- Double pump high lift standard efficiency 64
- Ewyt085b ss l r a1 160 3x70 mm² pe 1x35mm² ewyt300b ss l r a2 400 3x240 mm² pe 1x120mm² 65
- Ewyt085b xs l r a1 160 3x70 mm² pe 1x35mm² ewyt310b xs l r a2 400 3x240 mm² pe 1x120mm² 65
- Ewyt105b ss l r a1 160 3x70 mm² pe 1x35mm² ewyt340b ss l r a2 400 3x240 mm² pe 1x120mm² 65
- Ewyt115b xs l r a1 160 3x70 mm² pe 1x35mm² ewyt350b xs l r a2 400 3x240 mm² pe 1x120mm² 65
- Ewyt135b ss l r a1 160 3x70 mm² pe 1x35mm² ewyt390b ss l a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt135b xs l r a1 160 3x70 mm² pe 1x35mm² ewyt400b xs l r a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt175b ss l r a1 200 3x95 mm² pe 1x50mm² ewyt430b ss l r a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt175b xs l r a1 200 3x95 mm² pe 1x50mm² ewyt440b xs l r a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt205b ss l r a2 250 3x120 mm² pe 1x70mm² ewyt540b ss l r a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt215b ss l r a1 250 3x120 mm² pe 1x70mm² ewyt490b ss l r a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt215b xs l r a1 250 3x120 mm² pe 1x70mm² ewyt500b xs l r a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt215b xs l r a2 250 3x120 mm² pe 1x70mm² ewyt560b xs l r a2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt235b ss l r a2 250 3x120 mm² pe 1x70mm² ewyt590b ss l a2 800 3x2x240 mm² pe 1x240mm² 65
- Ewyt235b xs l r a2 250 3x120 mm² pe 1x70mm² ewyt600b xs l a2 800 3x2x240 mm² pe 1x240mm² 65
- Ewyt255b ss l r a2 400 3x240 mm² pe 1x120mm² ewyt630b ss l r a2 800 3x2x240 mm² pe 1x240mm² 65
- Ewyt265b xs l r a2 400 3x240 mm² pe 1x120mm² ewyt630b xs l r a2 800 3x2x240 mm² pe 1x240mm² 65
- Ewyt390b sra2 ewyt390b sra2 400 3x240 mm² pe 1x120mm² 65
- Ewyt590b sra2 ewyt590b sra2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt600b xra2 ewyt600b xra2 630 3x2x185 mm² pe 1x185mm² 65
- Ewyt650b xs l r a2 ewyt650b xs l r a2 800 3x2x240 mm² pe 1x240mm² 65
- Installations notes 65
- Main switch size a 65
- Max cable size mm² 65
- Max cable size mm² model 65
- Maximum cable dimension 65
- Maximum cable dimension that can be physically connected to mainswitch of the unit the table below can change in case of high ambient kit is selected 65
- Parallel coil layout double v coil layout 65
- Pumps kits data 65
- Water filter pressure drops 66
- Installations notes 67
- Location 67
- Space requirements 67
- Warning 67
- Water filter 67
- Installations notes 68
- Multiple units installation free field with wind prevalent direction 68
- Installations notes 70
- A single pump l check valve 71
- B two pumps parallel configuration 71
- C twin pump n flow switch fitting 1 71
- D valve o flow switch fitting ½ 71
- E check valve p automatic filling valve fitting 71
- F safety valve q plugged fitting 71
- G plugged fitting r water filter 71
- H air vent tt temperature sensor 71
- I drain ts temperature switch 71
- Installations notes 71
- J tank pi pressure gauge 71
- K electrical heater fs flow switch 71
- M plugged fitting 71
- Specifications 71
- Installations notes 72
- Specifications 72
- Installations notes 73
- Specifications 73
- Installations notes 74
- Specifications 74
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