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9.12 Thermo switch replace-
ment (for heater element)
A:Thermo switch
B: Unlocking button for thermo switch
C: M4 Mounting nut (2x)
D: Lock washer (2x)
E: Washer (2x)
F: Seal
G: Flat seal (2x)
H: M4x10 Flange screw (2x)
I: Cylinder cover (7)
J: Capillary tube (attached to up to 3 heater
elements)
K: M4 Mounting nut
L: Flat seal
M: Klixon thermo switch
N: Unlocking pin
Removal
»
Remove and open the steam cylin-
der as described in “Removing and
cleaning the steam cylinder” section.
»
Remove wiring of the thermo switch
from connector terminals (mark
positions for reclamping).
»
Detach capillary tube (
J
) retainer
clips from heater element(s).
»
Separate capillary tube from heater
element(s) (4).
»
Unscrew the two screws (
H
) holding
thermo switch in place.
»
Pull out thermo switch upwards off
steam cylinder cover.
Risk of material damage!
Do not buckle the thermo switch capillary tu-
be!
Reinstallation
»
Install replacement thermo switch
with a new sealing while feeding the
capillary tube cautiosly through the
cylinder cover hole.
»
Insert M4x10 flange screws (2 pcs.)
with new flat seal into cover holes
from below.
»
Attach washers (E) and lock was-
hers (D), screw on M4 nuts (C) and
fasten lightly.
»
Connect the capillary tube to the
heater element. Ensure proper con-
tact so that no limestone layer may
built up. In case of humidifiers with
several heating elements, the capil-
lary tube is attached to all of the
heating elements (max. 3).
»
Insert thermo switch wires into the
terminals of the wiring connector fol-
lowing the markings made when dis-
sembling.
»
Reassemble steam cylinder and
reinstall in humidifier housing as
described in the „Removing and
cleaning the steam cylinder“ section.
.
I
J
M
K
L
H
F
E
D
C
B
G
N
A
NOTICE