Wilo-Stratos-ZD

Special features/product advantages

  • Energy savings through greater system efficiency with the Q-Limit function (volume flow limiter)
  • Optimised display for better readability and operation
  • Space-saving installation due to compact design and location-dependent LC display
  • Modular concept for connection of all conventional bus systems (e.g. Modbus, BACnet, CAN, LON and PLR)
  • Dual pump management via retrofittable IF-Modules:
  • Tried and tested quality and reliability

Series description

Design type

Glandless circulation double pump with flange connection, EC motor and automatic power adjustment

Application

Domestic hot water circulation systems of all kinds, hot-water heating systems of all kinds, air conditioning, closed cooling circuits, industrial circulating systems

Equipment/function

-

Scope of delivery

  • Pump
  • Washers for flange screws (with nominal connection diameter DN 32 / DN 40)
  • Installation and operating instructions

Type key

Example:

Wilo-Stratos‐ZD 40/1-8

Stratos

High-efficiency pump (flange-end pump), electronically controlled

ZD

Double pump for domestic hot water circulation

40/

Nominal connection diameter

1-8

Nominal delivery head range [m]

Technical data

  • Permissible temperature range
    • Drinking water up to 3.57 mmol/l (20 °dH), 0 °C to +80 °C
    • Heating water -10 °C to +110 °C
  • Mains connection: 1~230 V, 50/60 Hz, 3~230 V, 50/60 Hz
  • Protection class IP X4D
  • Flange connection DN 32 to DN 40
  • Max. operating pressure, standard version: 6/10 bar (special version: 16 bar)

Materials

  • Pump housing: Grey cast iron
  • Thermal insulation: Polypropylene
  • Shaft: stainless steel
  • Bearing: Carbon, synthetic resin impregnated
  • Impeller: Plastic

Description/construction

  • Glandless double circulating pump with ECM technology integrated automatic power adjustment
  • Red button technology and graphic display
  • Motor protection with triggering electronics
  • Plug connection for function expansion with optional IF-Modules for building automation (BA)
  • Impeller with tridimensionally curved blades and plastic can made of carbon fibre composite material

Duty chart

Stratos-ZD

Downloads

General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)

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