Wilo HELIX VE 1 Series - Page 29

29
English
5.2 Technical data
- Electromagnetic compatibility
• emission in residential areas –
1st environment PN-EN 61800-3
• electromagnetic immunity in industrial environ-
ments –
2nd environment: PN-EN 61800-3
Outline and pipe dimensions (Fig. 4).
5.3 Scope of delivery
• Multistage pump
• Installation and operating instructions
• Counterflange, bolts and O-rings for PN16 con-
figuration.
5.4 Accessories
The following original accessories are available
for the Helix range:
Use only accessories that are new.
Designation Article n
o
.
2x oval counterflanges, stainless steel 1.4301 (screwing) (PN16 – 1”)
4016168
2x round counterflanges in stainless steel 1.4404 (screwing) (PN40 – DN25)
4016165
2x round counterflanges in steel (welding) (PN40 – DN25)
4016162
Bypass kit 25 bar
4146786
Bypass kit (with pressure gauge 25 bar)
4146788
Baseplate with dampers for pumps up to 5,5 kW
4157154
Non-return valves (with cone or spring valve) if operating at cons-
tant pressure (Mode 2)
On request
Protection against low water level
Tank
Sensor kit for pressure regulation (accuracy: ≤ 1% ; use between
30% and 100% of the reading range)
Maximum operating pressure
Pump casing 16 or 25 bars depend on the model
Maximum suction pressure
10 bars
Note: real inlet pressure (Pinlet)+ pressure at 0 ow delivered by the
pump must be below the maximum operating pressure of the pump. In
case of exceeding maximum operating pressure, the ball bearing and the
mechanical seal could be damaged or lifetime could decrease.
P Inlet + P at 0 ow ≤ Pmax pump
See pump nameplate to know the maximum operating pressure: Pmax
Temperature range
Liquid temperatures
-30 °C to +120 °C
-15°C to +90 °C (with FKM seal)
-20 °C to + 120 °C (with cast iron casing)
Ambient temperature -15° to +40°C
Electrical data
Motor efciency Motor according to IEC 60034-30
Motor Protection index IP 55
Insulation class 155 (F)
Frequency
230 V ±10% - 50 Hz
220 V ±6% - 60 Hz
Electrical voltage
Other data
Humidity < 90% without condensation
Altitude < 1000 m (> 1000m on request)
Maximum suction head according to NPSH of the pump
Sound pressure level dB(A)
0/+3 dB(A)
≤ 63 dB(A)
Cross-section of power cable
(cable equipped of 3 wires)
2,5 mm
2
Installation and operating instructions - WILO-HELIX VE 1~