grundfos cre 20-3
4
Company name: Created by: Phone: Fax: Date: - - - - - - - - - - Printed from Grundfos CAPS 96566576 HYDRO MULTI-E 2 CRE 20-3 50 Hz Q(m³/h) 0 5 10 15 20 25 30 35 40 45 50 55 H (m) 0 10 20 30 40 P (kW) 0 2 4 6 25 % 98 % 100 % 100 % 1 2 3 4 5 HYDRO MULTI-E 2 CRE 20-3 3* 400 V, 50 Hz P2 = 2.61 kW P1 = 3.15 kW Losses in fittings and valves not included Q = 19.8 m³/h H = 34.6 m n = 98 % / 49.2 Hz switch-on at = 100 % Pumped liquid = Drinking water Density = 1000 kg/m³ Eta pump = 71.5 % Eta pump+motor = 59.2 % 1/4
Transcript of grundfos cre 20-3
Company name:Created by:Phone:Fax:Date:
-----
-----
Printed from Grundfos CAPS
96566576 HYDRO MULTI-E 2 CRE 20-3 50 Hz
Q(m³/h)0 5 10 15 20 25 30 35 40 45 50 55
H(m)
0
10
20
30
40
P(kW)
0
2
4
6
25 %
98 % 100 % 100 %
12345
HYDRO MULTI-E 2 CRE 20-3 3* 400 V, 50 Hz
P2 = 2.61 kWP1 = 3.15 kW
Losses in fittings and valves not includedQ = 19.8 m³/hH = 34.6 mn = 98 % / 49.2 Hzswitch-on at = 100 %Pumped liquid = Drinking waterDensity = 1000 kg/m³
Eta pump = 71.5 %Eta pump+motor = 59.2 %
1/4
Company name:Created by:Phone:Fax:Date:
-----
-----
Printed from Grundfos CAPS
Q(m³/h)0 5 10 15 20 25 30 35 40 45 50
H(m)
0
10
20
30
P(kW)
02
4
25 %
98 % 100 % 100 %
12345
HYDRO MULTI-E 2 CRE 20-3 3* 400 V, 50 Hz
P2 = 2.61 kWP1 = 3.15 kW
Losses in fittings and valves not includedQ = 19.8 m³/hH = 34.6 mn = 98 % / 49.2 Hzswitch-on at = 100 %Pumped liquid = Drinking waterDensity = 1000 kg/m³
Eta pump = 71.5 %Eta pump+motor = 59.2 %
1
1134
907
150
1365
950 700,00
2
L1
L2
L3
L2
L1
L3
PE
HFI/FI
CONTROL CABINET
Description ValueProduct name: HYDRO MULTI-E 2 CRE 20-3Product No: 96566576EAN number: 5700830314593 Technical:Actual calculated flow: 21 m³/hMin flow system: 0 m³/hMax flow: 44 m³/hActual calculated flow: 22 m³/hResulting head of the pump: 34.6 mHead max: 57 mCurve tolerance: ISO 9906 Annex APump name: CRE20Number of pumps: 2Stages: 3 Installation:Maximum operating pressure: 10 barMaximum inlet pressure: 10 barCut-in pressure PE: 3 barCut-out pressure: 3.6 barFlange standard: DIN 2999-1Pump inlet: DN 80Pump outlet: DN 80Pressure stage: 10 Liquid:Pumped liquid: Drinking waterLiquid temperature range: 0 .. 70 °C Electrical data:Mains frequency: 50 HzRated voltage: 3 x 400 V, PEStart. method: electronicallyRated current: 18 AEnclosure class (IEC 34-5): 54Radio interference supression: IEC/CISPR 11-1B Controls:Control type: ME Tank:Volume of pressure tank: 33 lDiaphragm tank: Yes Others:Basis plant: YGross weight: 222 kgShipping volume: 0.88 m3Language: GBProduct range: International Product name: 50 l diaphragm tankProduct No: 00ID6175EAN number: 5708601033544 Installation:Maximum operating pressure: 10 bar Tank:Volume of pressure tank: 50 l
2/4
Company name:Created by:Phone:Fax:Date:
-----
-----
Printed from Grundfos CAPS
96566576 HYDRO MULTI-E 2 CRE 20-3 50 Hz
Input
Select Application Pressure boosting Overview mode No
Select Application Area Commercial
buildings
Your RequirementsAllowed undersize 10 %Discharge pressure p 3 barFlow (Q) 22 m³/hMax. liquid temperature 25 °CMin. liquid temperature 20 °CPumped liquid Drinking water Suction lift 4 mTank outlet above booster set No
Control Mode Constant Pressure,
Speed Control Allow fixed speed No Variable speed Yes
Edit Load ProfileConsumption Q1 22 m³/hConsumption Q2 16.5 m³/hConsumption Q3 12.1 m³/hConsumption Q4 7.7 m³/hConsumption Q5 2.64 m³/hLoad profile Standard profile Operation hours per day 9 h/dayPeriod Day Time T1 0.41 h/dayTime T2 0.82 h/dayTime T3 1.23 h/dayTime T4 2.45 h/dayTime T5 4.09 h/day
ConfigurationMembrane tank size (to be calculated) ON/OFF-band 20 %Of these: number of standby pumps 1 Preferred design Booster sets Tank required on the discharge side Yes Total number of pumps 2 Velocity limitation No
Operational ConditionsAmbient temperature 20 °CFrequency 50 HzMax. operation pressure 10 barMin. power limit for SD start 5.5 kWPhase 1 or 3 Voltage 1 x 230 or 3 x 400 V
Hit list settingsCalculation period 15 yearsEnergy price 0.15 EUR/kWhEvaluation criterion Price + energy costsIncrease of energy price 6 %Max. hits per product group 2 Max. hits total 8
Sizing result
Type HYDRO MULTI-E 2CRE 20-3
Tank 83 lSupply 3x400 V, PEQuantity * Motor 2 * 4 kW Flow 19.8 m³/h ( max. -5 %)Switch-on at 100 %H total 34.6 m Power P1 3.15 kWPower P2 2.61 kWEta pump 71.5 %Eta motor 82.8 %Eta pump+motor 59.2 % =Eta pump * Eta
motorFlow total 24144.8 m³/yearFlow per pump 11 m³/hNom. pressure 10 barMax.pressure 3.1 bar =during operation
in the load profileInlet pressure -0.7 bar .. 5.68 bar (against
atmosphere)Spec. energyconsumption
4.76 Wh/m³/m
0.1615 kWh/m³Energy consumption 3899 kWh/YearPrice On request EUR Energy cost 585 EUR /YearPrice + energy costs On request EUR /15Years
Be aware that the flow is more than 5 % below the requestedduty point.
Q(m³/h)0 5 10 15 20 25 30 35 40 45
H(m)
0
10
20
30
40
P(kW)
0
2
4
6
25 %
98 % 100 % 100 %
12345
HYDRO MULTI-E 2 CRE 20-3 3* 400 V, 50 Hz
P2 = 2.61 kWP1 = 3.15 kW
Losses in fittings and valves not included
Q = 19.8 m³/hH = 34.6 mn = 98 % / 49.2 Hzswitch-on at = 100 %Pumped liquid = Drinking waterDensity = 1000 kg/m³
Eta pump = 71.5 %Eta pump+motor = 59.2 %
3/4
Company name:Created by:Phone:Fax:Date:
-----
-----
Printed from Grundfos CAPS
96566576 HYDRO MULTI-E 2 CRE 20-3 50 Hz
Load Profile
1 2 3 4 5Flow 90 75 55 35 12 %Head 100 100 100 100 100 %P1 3.15 2.69 2.16 1.19 0.397 kWTime 149 299 448 896 1493 h/YearEnergy consumption 470 803 967 1066 593 kWh/YearQuantity 1 1 1 1ES 1ES
4/4
