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Wilo-ISAR MODH1

Series description

Your advantages

  • High operational reliability, thanks to system with one, two or three horizontal multistage CH1-L pumps with stainless steel hydraulics
  • Easy installation and maintenance thanks to special, flexibly adjustable connections to manifolds
  • Easy commissioning and operation with the Easy Controller
  • Drinking water approval (ACS and KTW) for pumps with components made of stainless steel that come into contact with the fluid

Construction

Pressure-boosting system with 1, 2 or 3 non self-priming stainless steel high-pressure multistage centrifugal pumps switched in parallel with integrated frequency converter

Application

  • Fully automatic water supply and pressure boosting in inlet mode, either from the public water supply network or from a tank, for domestic, commercial, industrial and municipal applications (e.g. residential, office, administration buildings, hotels, hospitals, trades, industry, water supply companies).
  • Pumping drinking water, process water, cooling water or other industrial water, which does not affect the materials used, neither chemically nor mechanically, and does not have any abrasive or long-fibre constituents

Equipment/function

  • 1 – 2 or 3 CH1-L pumps per system
  • Components that come in contact with the fluid are corrosion-resistant
  • Galvanised base frame with height-adjustable vibration absorbers for insulation against structure-borne noise
  • Stop valve on every pump on the suction and pressure sides
  • Non-return valve, pressure side
  • Pressure sensor, on the discharge side
  • Pressure gauge optional, on the suction side
  • Pressure gauge, discharge side
  • Low-water cut-out switchgear, optional
  • EC-control with IP54 plastic housing, consisting of an internal power supply unit, microprocessor, analogue and digital input and output modules

Scope of delivery

  • factory-mounted, ready for connection pressure-boosting system checked for functionality and impermeability
  • Packaging
  • Installation and operating instructions

Type key

Example:

Wilo-ISAR MODH1-1CH1-L-202/EC

ISAR

Product code of the pressure-boosting system

MODH

Pressure-boosting system with horizontal pumps

1

Constant-speed version of the single pump

1

Number of pumps

CH1-L

Pump series

2

Nominal volume flow [m3/h] of the single pump

02

Number of single pump stages

EC

Easy Controller

Technical data

  • 3~400 V ± 10 %, 50 Hz; 3~380/440 V ±10 %, 60 Hz mains connection, depending on type also 1~230 V, 50/60 Hz (other versions on request)
  • Max. fluid temperature 50 °C (70 °C optional)
  • Max. ambient temperature 40 °C
  • Operating pressure 10 bar
  • Inlet pressure 6 bar
  • Nominal connection diameter, on the discharge side R 2"/DN 100
  • Nominal connection diameter, on the inlet side R 2"/DN 100
  • Protection class IP54
  • Fuse protection on mains side A, AC 3 according to motor power and EVU regulations
  • Approved fluids (other fluids on request). Approved fluids are generally waters which do not attack the materials used, neither chemically nor mechanically, and do not contain any abrasive or long-fibre constituents.
  • Cooling water
  • Drinking and process water

Materials

Single pump:

  • Impellers, stage chambers and pump housing made of stainless steel 1.4301/1.4404
  • Shaft of stainless steel 1.4404
  • EPDM gasket (EP851)/FKM (Viton)
  • Mechanical seal made of tungsten carbide/carbon
  • Bearing of tungsten carbide
  • Pump support foot made of aluminium

Description/construction

  • Base frame: galvanised and with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise; other versions on request
  • Pipework: complete pipework made of stainless steel, suitable for the connection of all piping materials used in building services; the pipework dimensions must correspond to the overall hydraulic performance of the pressure-boosting system
  • Pumps: 1-2 or 3 pumps of the CH1-L series 2.., 4.., 6, 10... and 16.. switched in parallel; all pump components coming into contact with fluid are made of 1.4301/1.4404 stainless steel
  • Valves: each pump is equipped on the suction and pressure side with a stop valve or with annular shut-off valves and a pressure-side non-return valve
  • Diaphragm pressure vessel: 8 l/PN 10 located on the discharge side with a butyl rubber diaphragm, completely safe in accordance with food safety laws; for testing and inspection purposes, with a ball valve, as well as drain and throughflow fitting according to DIN 4807
  • Pressure sensor: 4 to 20 mA, on the discharge side for activating the central EC-controller
  • Pressure indication: Pressure gauge (ø 63 mm) on the discharge side; additional digital display of the discharge pressure in the alphanumeric display of the EC-controller
  • Controller: the system is standard-equipped with an EC-controller

Downloads

REACH regulation

Edition 2018-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (581 kB)

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