WITA® Delta MAXI 80
1. April 2016
WITA® Delta UP 70
1. June 2016
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WITA® Delta UP 70 PWM

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The WITA® high-efficiency circulating pumps are characterized by a high quality “Made in Germany”. By using high-grade materials, our products are designed for a long service life. Because of our own production in the Bad Oeynhausen (Germany), we can ensure efficient structures, our quality standards, the requirements of craftsmanship and fair prices.

As a material, WITA® processes cataphoresis-coated armature castings and chromium-nickel steel. These proven materials guarantee high resistance and a versatile range of applications. All circulating pumps are supplied with heat insulation shells, seals, coupling plugs or permanently installed cables.

In an average household, 10 to 15% of the electricity consumption is caused by conventional standard pumps. Through the use of the WITA® high efficiency pumps the energy consumption can be compared to a conventional circulation pump. Approximately 80%.
The hydraulic power could be almost kept the same compared to standard pumps.

Special features / Product advantages

  • – Highest efficiency through EC permanent magnet motor technology
  • – From 3 Watt min. input
  • – One-touch menu navigation
  • – Pre-selectable control modes constant speed / variable differential pressure
  • – Anti-block function
  • – Integrated motor protection
  • – High start-up safety
  • – Simple pipe mounting through a practical key attachment

 

Additional to the eight different power curves which can also be selected for the Delta UP without a PWM module, the PWM version has two PWM stages. In these stages, the pump can be controlled with an external speed control. If the external control signal fails, is it possible to switch on an emergency operating stage. There is a rotary control in the pump, which can be used to set an arbitrary characteristic curve in the power range of the pump. You can download the Delta UP manual in our download area to learn more about the PWM function. The PWM control signal is also described in detail here.

Max. pump lift7,0 m
Max. flow rate3.900 l/h
Power consumption4 – 42 W
Control4 constant characteristics, 4 proportional characteristics, 2 externaly controllable PWM characteristics
Supply voltage1 x 230V, 50 Hz
Motor protectionNo external motor protection required
Ip ratingIP 42
Ambient temperature0 °C to+40 °C
Media temperature+5 °C to+110 °C
Temperature classTF 110 as per CEN 335-2-51
Max. system pressuretd>10 bar
Connection sizeDN 15, DN 20, DN 25, DN 32
Installation lengths110 mm, 130 mm, 180 mm
Pump housing material130 mm, 180 mm in variant in grey cast iron, cataphoresis coated; 110 mm out of brass
Weight incl. insulation2,5 kg
EEI≤ 0,15

up-70