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Daikin EWAT290B-SRA1 [59/62] Technical specifications
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59/62
INSTALLATIONS NOTES
TECHNICAL SPECIFICATIONS
General The chiller will be designed and manufactured in accordance with the following European directives:
•
Construction of pressure vessel 2014/68/EU
•
Machinery Directive 2006/42/EC
•
Low Voltage 2014/35/EU
•
Electromagnetic Compatibility 2014/30/EU
•
Electrical & Safety codes EN 60204–1 / EN 60335-2-40
•
Manufacturing Quality Standards UNI – UNI EN ISO 1400
The unit will be tested at full load in the factory (at the nominal working conditions and water temperatures).
The chiller will be delivered to the job site completely assembled and charged with refrigerant and oil.
The installation of the chiller must comply with the manufacturer’s instructions for rigging and handling
equipment.
The unit will be able to start up and operate (as standard) at full load with:
- Outside air temperature from............... °C to............... °C
-
Evaporator leaving fluid temperature between............... °C and............... °C
Refrigerant HFC R-32
Performance Chiller shall supply the following performances:
•
Number of chiller(s):............... unit(s)
•
Cooling capacity for single chiller:............... kW
•
Power input for single chiller in cooling mode:............... kW
•
Heat exchanger entering water temperature in cooling mode:............... °C
•
Heat exchanger leaving water temperature in cooling mode:............... °C
•
Heat exchanger water flow:............... l/s
•
Nominal outside working ambient temperature in cooling mode:............... °C
•
Minimum full load efficiency (EER): …………….. (kW/kW)
•
Minimum part load efficiency (SEER): …………….. (kW/kW)
Operating voltage range should be 400V ±10%, 3ph, 50Hz (or 380V ±10%, 3ph, 60Hz), voltage unbalance
maximum 3%, without neutral conductor and shall only have one power connection point.
Unit description Chiller shall include one or two independent refrigerant circuits, hermetic orbiting scroll
type optimized for R-32 operation, electronic expansion device (EEXV), direct expansion, PHE evaporator,
air-cooled condenser 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 chiller 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 chiller is not running. Each compressor is mounted on rubber
antivibration mounts for a quite operation. Unit is delivered with complete oil charge.
Evaporator
The units shall be equipped with a direct expansion plate to plate type evaporator.
•
The evaporator 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 evaporator will be manufactured in accordance to PED approval.
•
Flow switch on evaporator available as option (shipped loose).
•
Water folter on evaporatoravailable as option (shipped loose).
Condenser coil The condenser 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
Содержание
- Air cooled chiller with scroll compressors 1
- Databook 1
- Ewat b 1
- Features and benefits 2
- Features and benefits 3
- Features and benefits 4
- Features and benefits 5
- 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 6
- Features and benefits 6
- Features and benefits 7
- Features and benefits 8
- Nomenclature 9
- Options 10
- Standard options supplied on basic units 10
- Mechanical options on request 11
- Options 11
- Options 12
- Electrical options on request 13
- Options options 14
- Installation options on request 15
- Options 15
- Other options on request 15
- Ewat b ss l 16
- Technical specification 16
- Ewat b ss l 17
- Technical specification 17
- Ewat b ss l 18
- Technical specification 18
- Ewat b ss l 19
- Technical specification 19
- Ewat b sr 20
- Technical specification 20
- Ewat b sr 21
- Technical specification 21
- Ewat b sr 22
- Technical specification 22
- Ewat b sr 23
- Technical specification 23
- Ewat b xs l 24
- Technical specification 24
- Ewat b xs l 25
- Technical specification 25
- Ewat b xs l 26
- Technical specification 26
- Ewat b xs l 27
- Technical specification 27
- Ewat b xr 28
- Technical specification 28
- Ewat b xr 29
- Technical specification 29
- Ewat b xr 30
- Technical specification 30
- Ewat b xr 31
- Technical specification 31
- Electrical specifications 32
- Ewat b ss l 32
- Electrical specifications 33
- Ewat b ss l 33
- Electrical specifications 34
- Ewat b sr 34
- Electrical specifications 35
- Ewat b sr 35
- Electrical specifications 36
- Ewat b xs l 36
- Electrical specifications 37
- Ewat b xs l 37
- Electrical specifications 38
- Ewat b xr 38
- Electrical specifications 39
- Ewat b xr 39
- Ewat b sl 40
- Ewat b ss 40
- Sound levels 40
- Ewat b sr 41
- Ewat b xs 41
- Sound levels 41
- Ewat b xl 42
- Ewat b xr 42
- Sound levels 42
- Amb t c 43
- Elwt c 43
- Ewat b s silver series 43
- Operating limits 43
- Units with multi v layout 43
- Units with single v layout 43
- Amb t c 44
- Elwt c 44
- Ewat b x gold series 44
- Multi v gold efficiency 44
- Options technical data 44
- Ref 3 ref 2 44
- Units with single v layout 44
- Air heat exchanger altitude correction factors 45
- Minimum glycol percentage for low air ambient temperature to prevent freezing of the hydraulic circuit 45
- Options technical data 45
- Water flow 45
- Water heat exchanger maximum maximum water δt 45
- Available fan static pressure correction factors 46
- Heat recovery 46
- Maximum cable dimension 46
- Options technical data 46
- Plant water conten 46
- Water quality 46
- Options technical data 47
- B c d e 48
- Ewat b s silver series single pump low lift 48
- Installations notes 48
- Multi v layout 48
- Single v layout 48
- Ewat b s silver series single pump high lift 49
- External pressure head kpa 49
- Installations notes 49
- Multi v layout 49
- Single v layout 49
- Water flow l s 49
- B c d e 50
- Ewat b s silver series twin pump low lift 50
- External static pressure kpa 50
- Installations notes 50
- Multi v layout 50
- Single v layout 50
- Water flow l s 50
- Ewat b x gold series single pump low lift 51
- External pressure head kpa 51
- External static pressure kpa 51
- H i j k 51
- Installations notes 51
- Multi v layout 51
- Single v layout 51
- Water flow l s 51
- Ewat b x gold series single pump high lift 52
- External pressure head kpa 52
- Installations notes 52
- Multi v layout 52
- Single v layout 52
- Water flow l s 52
- Ewat b x gold series twin pump low lift 53
- External static pressure kpa 53
- Installations notes 53
- Multi v layout 53
- Single v layout 53
- Water flow l s 53
- E i c b 54
- Ewat b x gold series twin pump high lift 54
- External pressure head kpa 54
- Installations notes 54
- Multi v layout 54
- Single v layout 54
- Water flow l s 54
- External pressure head kpa 55
- Installations notes 55
- Starting current with soft starter tank volume hydronic kit with tank 55
- Water filter pressure drops 55
- Installations notes 56
- Location 56
- Space requirements 56
- Warning 56
- Installations notes 57
- Multiple chillers installation closed area with wind prevalent direction 57
- Multiple chillers installation free field with wind prevalent direction 57
- Hydraulic schemes 58
- Installations notes 58
- Water filter 58
- Installations notes 59
- Technical specifications 59
- Installations notes 60
- Technical specifications 60
- Installations notes 61
- Technical specifications 61
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