Technical data

10. SYSTEM PUMP CURVES
i-KI 0031 MTD and i-KIR 0031 MTD SYSTEM PUMP CURVE
i-KI(R) MTD
31
HFC 410Ai-KI(R)_MTD_0031_201110_EN
The pressure head refers to the values at the fittings.
2
0
1
2
3
4
5
6
7
8
4 6 8 10 121416182022242628303234363840
[L/min]
[kPa]
(1) System water temperature 23/18°C, outside air temperature 35°C DB
(2) System water temperature 30/35°C, outside air temperature 7°C DB/ 6°C WB
Pf Cooling capacity of unit
Pt Heating capacity of unit
Q Flow of water to evaporator
F.L.I. Power absorbed by pump
H Residual head
Model Pump Pf (1) Q (1) H (1) Pt (2) Q (2) H (2) F.L.I. Pump
power supply kW m
3
/h kPa kW m
3
/h kPa kW
i-KI MTD 0031 230v-50Hz-1Ph 9,55 1,64 35 0,10 Grundfoss UPSO15-70
i-KIR MTD 0031 230v-50Hz-1Ph 7,02 1,21 49 9,55 1,64 35 0,10 Grundfoss UPSO15-70
12. UTILITY WATER CIRCUIT CONNECTION DIAGRAM
Factory connections Installer connections
1
2
11
11
12
12
UTILITY
RETURN
UTILITY
OUTLET
9
8
7
13
3
T
6
13
13
T
6
F
5
4
2
10
1
1
9
1 Pressure gauge
2 Vibration damper joint
3 Shut off valve
4 Calibrating valve
5 Flow switch (obligatory)
6 Thermometer
7 Pump
8 Safety valve
9 Expansion vessel
10 Wire mesh filter
11 Temperature sensor
12 Unit fill/drain valve
13 System vent