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9.7 Heater element replacement
Removal
»
Remove and open steam cylinder as
described in the „Removing and
cleaning the steam cylinder“ section.
»
Disconnect heater wiring connector
on partiion wall separating electronic
compartment.
»
Separate thermo switch capillary
tube from heater element(s) by deta-
ching the retainer clips.
»
Remove wiring of the heater ele-
ment(s) in question from connector
terminals (mark positions for reclam-
ping).
»
Unscrew heater element fixing
nut(s) from cylinder cover.
»
Remove adjusting washer and
grounding lug/lock washer (if pre-
sent) and pull heater element/s
downward out of steam cylinder
cover.
»
Clean the sealing surface on the
underside of the cover around the
area where the new heater element
will be installed.
Reinstallation
»
Install replacement heater ele-
ment(s) (with sealing) while consi-
dering the correct sequence of all of
the mounting parts. Ensure proper
grounding and tighten nut(s).
»
Insert heater element wires into the
terminals of the wiring connector fol-
lowing the markings made when dis-
sembling. Polarity is not an issue.
»
Refit thermo switch capillary tube to
heater element(s) using retainer
clips.
»
Reassemble steam cylinder and
reinstall in humidifier housing as
described in the „Removing and
cleaning the steam cylinder“ section.
9.8 Thermo switch replacement
(for heater elements)
O:Thermo switch
P: Thermo sensor release button
Q: Seal
R: Steam cylinder
S: Screw
T: Capillary tube
Removal
»
Remove and open the steam cylin-
der as described above in “Remov-
ing and cleaning the steam cylinder”
section.
»
Detach capillary tube (T) retainer
clips from heater element(s).
»
Separate capillary tube from heater
element(s) (4).
»
Unscrew the two screws holding
thermo switch (S) in place.
»
Pull out thermo switch (O) upwards
off steam cylinder cover (R).
Risk of material damage!
Do not buckle thermo switch capillary tube!
O
S
R
Q
T
S
P
127,&(
127,&(
