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Wilo-RainSystem AF Comfort

Series description

Design

Ready-to-plug rainwater utilisation system

Application

Rainwater utilisation for saving drinking water in conjunction with cisterns or tanks

Type key

Example

Wilo-AF Comfort MC 304 EM

AF

Automatic rainwater utilisation and drinking water replenishment system (Aqua Feed)

MC

Self-priming, horizontal, multistage centrifugal pump of the series MultiCargo MC

3

Volume flow (m3/h) at optimum efficiency

04

Number of stages

EM

Single-phase AC motor 1~230 V, 50 Hz

Special features/product advantages

  • Compact, ready-to-plug rainwater utilisation system according to DIN 1989 and EN 1717
  • Tested according to RAL‐GZ 994 quality standard
  • Low-noise, due to multi-stage centrifugal pump and complete encapsulation of the system
  • Automatic support function for evacuation of the air from the suction line
  • High economic efficiency due to fresh water replenishment according to requirements

Technical data

  • Mains connection 1~230 V, 50 Hz
  • Suction head max. 8 m
  • Operating pressure max. 8 bar
  • Protection class IP 42
  • Connections:
    • Pressure pipe/pressure side Rp 1
    • Suction side R 1/ G 1
    • Drinking water replenishment R ¾
    • Connection overflow DN 70

Equipment/function

  • Connection-ready module with compact construction
  • Electrical and hydraulic connections already in place, mounted on corrosion-protected base frame.
  • Comprising:
    • Self-priming, corrosion-free, low-noise MultiCargo MC centrifugal pump
    • Pressure-side pipework R 1
    • Drinking water replenishment reservoir (11 l) with float valve
    • Cover made of EPP
    • 3.0 m connecting cable and mains plug
    • Rain Control Economy RCE central switchgear with control electronics including solenoid valve and pressure transmitter, 4‐20 mA and level sensor with 20 m cable for level indicator
    • Connection for overflow signalling device and/or backflow warning as standard
    • Menu-prompted operation and LCD display
    • Operation and fault signals
    • Automatic water exchange in the replenishment reservoir
    • Automatic prevention of lime deposits on the solenoid valve
    • Permanent display of rainwater storage tank level, system pressure, operating status via LCD

Description/design

  • Ready-to-plug single-pump water-supply unit as compact module for single-family houses
  • Fully automatic supply of rainwater from an underground storage tank or rainwater storage
  • 11-litre replenishment reservoir for optimised replenishment of drinking water into the consumer network when rainwater storage tank is not full
  • System fulfils the criteria outlined in DIN 1989 and EN 1717
  • Automatic switchover to drinking water replenishment, time-sensitive water exchange in replenishment reservoir, built-in automatic switch-off during dry run.
  • AF Comfort system control: RainControl Economy RCE electronic control device with additional functions such as:
    • Automatic solenoid valve actuation to prevent lime deposits
    • Variable switch-off pressure
    • Commissioning with factory-configured basic parameters (plug & pump)
    • Continuous logging of operating data
    • Economy mode function
    • Operating status log
    • Operation and parameterisation by means of menu-driven function keys
  • Cover

Materials

  • Pump housing stainless steel 1.4301
  • Impeller made of Noryl
  • Shaft stainless steel 1.4028
  • Mechanical seal made of ceramic/carbon
  • Stage chambers made of Noryl

Scope of delivery

  • Heavy-duty, ready-to-connect single-pump rainwater utilisation system with 3.0 m connecting cable and mains plug, RainControl Economy central switchgear with control electronics, level sensor with 20 m cable, measurement range 0‐5 m
  • Including cover and connection kit for replenishment overflow made of recyclable EPP

Options

  • Overflow signalling device

Duty chart

Pump curves RainSystem AF Comfort

Product

Design

Compact rainwater utilisation system

Replenishment reservoir V

11 l

Corrosion-free

Protection against low water level

UV-stabilized system tank

Diaphragm pressure vessel

-

Connection for backflow warning

Corrosion-free steel tubing framework

-

Ball valve on suction and pressure sides

-

Joint tubing on pressure side

-

Pressure gauge

-

Hydraulics

Self-priming

Non-self-priming

-

Multistage centrifugal pump

Directly flanged motor

Motor data

Mains connection

1~230 V, 50 Hz

Equipment/function

Electronic control, RainControl Professional

-

Electronic system control, RainControl Hybrid

-

Menu-prompted operation and LCD display

Operation and fault signals

Wilo-Fluidcontrol (for automatic operation)

-

Pump cycling and test run function

-

Automatic fault-actuated switchover and peak-load cut-in

-

Automatic water exchange in the replenishment reservoir

Automatic prevention of lime deposits on the solenoid valve

Permanent display of rainwater storage tank level, system pressure, operating status via LCD

Accessories

Operating hours counter

-

Individual run and fault signals

-

Water backflow signalling device

Extension modules

-

EPP cap

Overflow signalling device

Product

Approved fluids (other fluids on request)

Pure water without settling sediment

Rainwater

Output

Qmax

5 m3/h

Hmax

52 m

Max. suction head H

8 m

Rated power P2

550 W

Start-up pressure

1.2 bar

Switch-off pressure

4.0 bar

Fluid temperature T

+5...+35 °C

Max. ambient temperature T

40 °C

Mains connection

1~230 V, 50 Hz

Replenishment reservoir V

11 l

Gross weight m

25.5 kg

Motor/electronics

Protection class

IP 54

Insulation class

F

Connections

Pressure pipe/pressure side

Rp 1

Nominal diameter of pipe connections on suction side Rp

1

Inlet connection

R ¾

Connection overflow [DN]

70

Materials

Pump housing

1.4301

Impeller

Noryl

Pump shaft

1.4057 [AISI431]

Mechanical seal

Carbon/ceramic

Stage chambers

Noryl

Downloads

General overview

Edition 2017
Page format A4
Number of pages 72

PDF (46 MB)

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Wilo-RainSystem AF Comfort

Article Number 2531199
Edition 0903
Version number 01
Page format A4
Number of pages 29

PDF (1 MB)

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