AL-KO HWA 4500 comfort User Manual

220 pages

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477 296_b I 08/2014

HWA 4000 / HWA 4500 / HWA 6000/5

Betriebsanleitung

Table of Contents

Other manuals for AL-KO HWA 4500 comfort

Translation Of The Original Instructions For Use220 pages

Questions and Answers:

E
Emily VasquezAug 9, 2025
What to do if my AL-KO HWA 4500 comfort shows 'ALARM CHECK PRE 1.5 BAR'?
- D
  Dominic HooverAug 9, 2025
  The 'ALARM CHECK PRE 1.5 BAR' message indicates that the AL-KO Water Pump has switched off as a protection against overheating. This is often due to a fault on the pressure side, such as a leak. Even small leaks on water taps and toilets can cause the system pressure to drop. You should check the pressure line and draw-off points for leaks. Also, check and clean the check valve in the filter chamber. After rectifying the fault, confirm with SET to restart the pump. Be aware of potential hot water when the restart occurs.
M
msampsonAug 29, 2025
What to do if AL-KO HWA 4500 comfort displays 'CHECK SUCTION SI 0.0 BAR'?
- M
  Michael PachecoAug 29, 2025
  The message 'CHECK SUCTION SI 0.0 BAR' appears for 20 seconds. The AL-KO Water Pump will attempt to rectify the fault itself for 90 seconds. No action is required from you during this time. However, if the fault persists after 90 seconds, the pump will switch off as a dry-run protection.

AL-KO HWA 4500 comfort Specifications

General

Brand	AL-KO
Model	HWA 4500 comfort
Category	Water Pump
Language	English

Summary

Safety and Operational Information

Possible Misuse

Functionality

Describes the automatic operation, thermal, and dry-run protection features.

General Safety Instructions

Provides critical warnings regarding injury risk and safe machine operation.

Electrical Safety

Details electrical safety precautions and requirements for the pump.

Assembly and Startup Procedures

Erecting the Unit

Connecting the Suction Line

Guidance on properly connecting the suction hose to the pump inlet.

Fitting the Pressure Line

Steps for connecting the pressure line to the pump outlet.

Startup

Covers initial language selection, filling, and starting the unit.

Operation and Maintenance

Maintenance and Care

Display Indications and Operation Modes

Display Indications

Pump Runs in Normal Operation

Describes status indicators and pressure/flow readings during operation.

Pump Operation Modes and Flow Rates

Pump in Automatic Mode, Not Pumping

Troubleshooting Guide

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