1. Safety Guidelines
In compliance with European and nati-
onal norms (e.g. DIN 1988 part 8) regular
maintenance must be conducted.
1. Observe the maintenance instruc-
tions.
2. Observe the further technical docu-
ments (installation instructions, check
list) of the device.
3. Faults that could impair the safety
have to be rectified immediately.
4. Use only original spare parts.
5. Maintenance work should only be
carried out be qualified staff!
• Please contact your professional
plumber or Resideo's technical
customer services.
6. Document the conducted mainte-
nance work in the maintenance log.
The device has to be switched
off before the maintenance and
protected against being swit-
ched on without authorisation
(mains disconnection)!
2. Necessary tools
• Open spanner, SW10
• Phillips screwdriver
• Long-nosed pliers
3. Preparation
1. Remove lid of the salt container.
2. Unclamp the cover hood with inte-
grated control at the rear opening
(pipe output) by widening the cover
slightly and pulling off forwards to the
salt filling opening.
3. Disconnect the plug of the power
supply (12V)
4. Disconnect the plug of the disinfec-
tion unit with long-nosed pliers.
5. Pull off the sensor plugs.
6. Disconnect the valve head to drive
motor plug by pressing the release of
the plug connection and gently pulling
it and put cover hood to the side.
4. Disinfection unit
For replacement, the disinfection
unit DE10S-A (for devices up to
July 2013) or the new disinfection
unit DE10S-AN (for devices after
August 2013) is needed.
The service lives of the disinfection
units are as follows:
DE10S-A: 100 regeneration
(approx. 1 year)
DE10S-AN: 400 regeneration
(approx. 4 years)
After this, they must be replaced.
4.1. Replacement of DE10S-A
1. Carry out steps 1 through 6 from
chapter 3 - Preparation.
2. Loosen and remove valve head
transport protection from the anchor.
3. Feed plug of the disinfection unit
through the sleeve.
4. Feed the disinfection unit cable
GB
through the cutout in the housing.
5. Release the hoses on the disinfection
unit by pressing in the draw-off
protection and gently pressing the
hose in the direction of the disinfec-
tion unit. Pull off the hoses on both
the infeed and the outfeed sides.
6. Replace the disinfection unit.
7. Reassemble in reverse order
4.2. Replacement of DE10S-AN
1. Carry out steps 1 through 6 from
chapter 3 - Preparation.
2. Remove the disinfection unit from the
holder.
3. If necessary, replace holder with the
included spare part.
4. Release the hoses on the disinfection
unit by pressing in the draw-off
protection and gently pressing the
hose in the direction of the disinfec-
tion unit. Pull off the hoses on both
the infeed and the outfeed sides.
5. Replace the disinfection unit.
6. Replace electric lines with included
replacement lines and plug these into
the disinfection unit.
7. Replace the disinfection unit.
8. Plug in the hoses.
9. Reassemble in reverse order
6
5. O-rings of the ejector
To replace the O-rings, the O-ring
set EK10S-C is needed.
1. Carry out steps 1 through 6 from
chapter 3 - Preparation.
2. Pull off the ejector's fastening clip
upwards.
3. Pull off the ejector and the O-rings
(Fig.1, pos. 1) and replace.
All seal rings have to be coated
with the supplied lubrication.
4. Reassemble in reverse order
MU6H-1417GE23 R0620