ACCESSING THE UNIT
N O T E
The following applies to all units with heater:
Adhere to the rules for careful handling. (→ Careful
handling of the heater)
Careful handling of the heater
C A U T I O N
Hot surface!
Risk of burns when touching the glass bulb.
• Unplug the heater and allow it to cool down be‐
fore removing it from the water.
C A U T I O N
Risk of breaking the glass!
The glass bulb of the heater can break and cause cuts.
Take care when handling the heater.
Allow the heater to cool down first. Do not immerse
it in cold water or pour cold water over it.
• Take care of glass fragility when installing the
heater in the adapter or the opposite operation
Removing the heater
The heater has to be removed for cleaning and mainte‐
nance, and for removing the unit head.
How to proceed:
C
1. Hinge up the handle.
2. Unscrew the holding ring together with the heater
counter‐clockwise.
Fitting the heater
How to proceed:
D
1. Screw the holding ring with heater clockwise into
the threaded hole.
– To exchange the heater: Moisten the glass bulb
with water and push the heater into the holding
ring as far as it goes.
2. Place the power connection cable into the cable
guide.
3. Hinge the handle down.
Removing the connection unit
The heater has to be removed for cleaning and mainte‐
nance, and for removing the unit head when hoses are
connected.
How to proceed:
E
1. Push the lever to the "UNLOCK" position.
– The lever can only be moved when the pre‐filter
is locked.
– The inlet and outlet are closed.
2. Remove the connection unit.
Fitting the connection unit
How to proceed:
F
1. Fit the connection unit and push it into the unit
head as far as it goes.
– Ensure that the ridges on the connection unit are
correctly aligned to the recesses on the unit
head.
2. Push the lever in the direction "LOCK".
– The inlet and outlet are open.
Removing the pre‐filter
It has to be removed for cleaning and maintenance
and for removing the unit head.
Prerequisite:
The inlet and outlet are closed. (→ Removing the
connection unit)
How to proceed:
G
1. Push the lever to the "UNLOCK" position.
– The lever can only be moved when the inlet and
outlet are closed.
2. Pull out the pre‐filter.
Fitting the pre‐filter
How to proceed:
H
1. Fit the pre‐filter into the opening and firmly push it
into the unit head as far as it goes.
– Ensure that the ridges on the pre‐filter are cor‐
rectly aligned to the recesses on the unit head.
2. Push the lever to the "padlock closed" symbol.
– The pre‐filter is locked.
‐ EN ‐
13