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INSTALLATION
Maintenance and cleaning
14.2 Removing the casing ring
Note
If you require more space to work inside the appliance,
you can remove the casing ring on the upper section of
the appliance.
1
1 Fixing screws on casing ring
The casing ring is fastened with screws.
f Undo the fixing screws on the casing ring.
f
f Remove the condensate drain bend and pipe collar of the
f
drain. Turn anti-clockwise to undo them.
Material losses
!
Inside the appliance, an earth cable is connected to the
casing ring. Undo the earth cable in order to be able to
remove the casing ring.
The casing ring overlaps along the joint. A tab on one end clips
into the recess at the other end of the casing ring.
f Ease the casing ring apart, until it can be removed or slid
f
downwards.
Note
Refit the casing ring after completing the work. See chap-
ter "Maintenance and cleaning / Fitting the casing ring").
14.3 Cleaning the evaporator
WARNING Injury
!
The evaporator consists of numerous sharp-edged fins.
f Be careful when cleaning the evaporator and wear
f
protective clothing, especially safety gloves.
28
| SHP-F 220-300 Premium
In order to maintain the appliance performance permanently,
check and clean the appliance evaporator if necessary.
f Undo the screw that secures the appliance cover at the upper
f
side of the control fascia.
f Remove the control fascia and the appliance cover.
f
f Carefully clean the evaporator fins. Only use water and a soft
f
brush for this. Never use acidic or alkaline cleaning agents.
14.4 Drain cylinder
WARNING Burns
Hot water may escape when draining the DHW cylinder.
To drain the DHW cylinder, e.g. when shutting the appliance down,
proceed as follows:
f Isolate the appliance from the power supply.
f
f Close the shut-off valve in the cold water supply line.
f
The DHW cylinder is drained via the cold water supply line.
f Open the drain valve installed in the cold water supply line
f
(see chapter "Water connection"). If no drain valve has been
installed, undo the cold water supply line at the "cold water
inlet" connection.
f To vent the system, undo the DHW line connected to the
f
"DHW outlet" connection.
Some residual water will remain in the lower section of the DHW
cylinder.
14.5 Descaling the electric emergency/booster
heater
Only descale the electric emergency/booster heater after disas-
sembly. Never treat the inside of the DHW cylinder or the im-
pressed current anode with descaling agents. The electric emer-
gency/booster heater is inserted centrally from above into the
DHW cylinder of appliance.
1
1 Electric emergency/booster heater with protective anode
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