Honeywell GmbH
9
MU1H-1564GE23 R1115
GB
* Available from March 2017
Other functions of the control keys
• Press and hold ON/INFO and Hardness control keys at the
same time for 3 s
- Information about total litres is reset to 0
• Press and hold Wasserhärte/Hardness and Kartusche/
Cartridge control keys at the same time for 3 s
- Information about cartridge changes is confirmed
• Press and hold ON/INFO and Kartusche/Cartridge control
keys at the same time for 3 s
- Valve ON/OFF
10. Maintenance
In accordance with DIN EN 1717 a regular maintenance must
be taken.
10.1.Replacing batteries
1. Take electronics module out of refilling unit
2. Replace batteries (alkaline AA 1.5V)
3. Reattach electronics module
10.2.Replacing softening or demineralisation cart-
ridge
When the fill volume of the heating system exceeds the stated
capacity, the cartridge must be replaced.
For softening:
For complete demineralisation:
1. Open bleeder valve and relieve pressure in system
• Place bucket under system
2. Unscrew cartridge from refilling unit
3. Screw in new cartridge until finger-tight
4. Press Wasserhärte/Hardness and Kartusche/Cartridge
control keys at the same time for 3 s
• Information about cartridge changes is confirmed
11. Disposal
• Dezincification-resistant brass housing
• Mechanical components of the heater water treatment unit
made of high-quality plastic
• EPDM sealing washers
• Polypropylene cartridge
P300-S
Setting of installed cartridge P300-S
P300-L
Setting of installed cartridge P300-L
During rinsing mode without cartridge (none), connect
rinsing/blindplug, art. no. BS300-1/2A.
Maintenance, service and repair work may be carried
out only by authorised technicians.
We recommend taking out a servicing contract with an
installation firm
Frequency: every 1-3 years (depending on local opera-
ting conditions)
To be carried out by an installation company
The batteries have a service life of around 5 years
Service LED
Flashing yellow cartridge capacity below 10 %
flashing red +
tone
Cartridge capacity all used up
Cartridge in use for more than 5
years
For safety reasons, the softening cartridge must be
replaced 12 months after it is first used at the latest
For safety reasons, the complete demineralisation cart-
ridge must be replaced 12 months after it is first used at
the latest
If the new cartridge differs from the old one, e.g. diffe-
rent sizes (L/XL), the new cartridge must be selected
and confirmed by selecting it with the Kartusche/Cart-
ridge button.
Observe the local requirements regarding correct waste
recycling/disposal!
Batteries and electronics module must be collected
separately and disposed of in accordance with local
requirements.
12. Troubleshooting
Problem
Cause
Remedy
Water is not of the desired hardness Hardness incorrectly set
Adjust hardness range
Cartridge capacity all used up
Replace cartridge
Dirt particles have entered the mixing openings Rinse cartridge
