Technical Data; Operating Conditions; Sound Pressure Level; Storage - Grundfos Unilift AP35B Installation And Operating Instructions Manual

10. Technical data

Enclosure class
IP68.
Insulation class
F (311 °F / 155 °C).

10.1 Operating conditions

Liquid temperature
Minimum liquid temperature: 32 °F (0 °C).
Maximum liquid temperature: 104 °F (40 °C).
Minimum water level
See fig. 5.
Installation depth
Maximum 23 ft (7 m) below liquid level.
pH value
Between 4 and 10.
Maximum particle size
Pump type Max. spherical diameter
Unilift AP35B 1.38 in. (35 mm)
Unilift AP50B 1.97 in. (50 mm)
Viscosity
Maximum 10 cSt (centistoke) (10 mm
Operation
The pump will operate when the water level is above
the stop level. See fig. 5
Intermittent operation
The pump can run for a maximum of 5 minutes per
30 minutes without the motor being submerged in
the liquid.
Continuous operation
During continuous operation, the pump must be
completely covered by the pumped liquid.
2
/s).
for start and stop levels.

10.2 Sound pressure level

The sound pressure level of the pump is lower than
the limiting values stated in the EC Council Directive
2006/42/EC relating to machinery.
A-weighted sound pressure level
< 65 dB (A) in accordance with ISO 3743.
For further technical data, see the nameplate on the
pump.

10.3 Storage

Storage temperature
Minimum -22 °F (-30 °C).

11. Disposing of the product

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
15