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Daikin EWYT175B-SSA1 Технические данные онлайн [55/75] 533791
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INSTALLATION NOTES
55 | 75
Air heat exchanger - Altitude correction factors
ELEVATION ABOVE SEA LEVEL [m]
0
300
600
900
1200
1500
1800
BAROMETRIC PRESSURE [mbar]
1013
997
942
908
875
843
812
COOLING CAPACITY CORRECTION FACTOR
1
0,993
0,986
0,979
0,973
0,967
0,96
POWER INPUT CORRECTION FACTOR
1
1,005
1,009
1,015
1,021
1,026
1,031
Maximum operating altitude is 1800 m above sea level.
Contact factory if the unit has to be installed 1000 m above the sea level.
Available fan static pressure correction factors
COOLING
EXTERNAL STATIC PRESSURE [Pa]
0
10
20
30
COOLING CAPACITY CORRECTION FACTOR
1
1
0.99
0.99
UNIT PI CORRECTION FACTOR
1
1.01
1.02
1.02
REDUCTION OF MAX OPERATING AMBIENT TEMPERATURE [°C]
0
-0.3
-0.5
-1
HEATING
EXTERNAL STATIC PRESSURE [Pa]
0
10
20
30
COOLING CAPACITY CORRECTION FACTOR
1
0.991
0.972
0.96
UNIT PI CORRECTION FACTOR
1
0.998
0.995
0.994
INCREASE OF MIN OPERATING AMBIENT TEMPERATURE [°C]
0
0.5
0.8
1
The above table is valid for SILVER and GOLD series with standard and VFD driven fans. Application with more
than 30 Pa of external static pressure are not recommended. In case where external static pressure over 30
Pa is required special high ESP fans are required.
Partial Heat recovery Units may be optionally equipped with heat recovery system. This system is made
by a water -cooled heat exchanger located on the compressors discharge pipe and a dedicated management of
condensing pressure.
To guarantee compressor operation within its envelope, units with heat recovery cannot operate with water
temperature of the heat recovery water lower than 25°C.
It is a responsibility of plant designer and unit installer to guarantee the respect of this value (e.g. using
recirculating bypass valve).
Plant water content The cooled water distribution circuits should have minimum water content to avoid
excessive compressors start and stop. In fact, each time the compressor starts up, an excessive quantity of oil
goes from the compressor sump and simultaneously there is a rise in the temperature of the compressor motor’s
stator due to the inrush current during the start – up. To prevent damage to the compressors, have been
envisaged the application of a device to limit frequent stops and restarts.
During the span of one hour there will be no more than 10 starts of the compressor. The plant side should
therefore ensure that the overall water content allows a more constant functioning of the unit and consequently
greater environmental comfort.
The calculation of the water content should also consider the plant’s design parameters.
As a general indication the water content should not be less than 5 lt/kW on single circuit units and 2,5l/kW on
the twin circuit units.
Note: The indication is intended as a general guideline and not intended to substitute the evaluation made by
qualified technical personnel or by HVAC engineers, For more detailed analysis is better to consider the use of
other more detailed approach.
Water quality Before putting the unit into operation, clean the water circuit. Dirt, scales, corrosion debris
and other material can accumulate inside the heat exchanger and reduce its heat exchanging capacity. Pressure
drop can increase as well, thus reducing water flow. Proper water treatment therefore reduces the risk of
corrosion, erosion, scaling, etc. The most appropriate water treatment must be determined locally, according to
the type of system and water characteristics. The manufacturer is not responsible for damage to or
malfunctioning of equipment caused by failure to treat water or by improperly treated water.
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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