Page 39
»
Insert the 2 screws remaining into
the open level control device enclo-
sure mounting holes while positio-
ning the ground wire connection
eyelet under the lower left screw.
»
Handtighten all of the screws.
A functional check of the level control device
may only be accomplished while the device is
installed into the unit!
9.9 Cleaning the vent hole on the
pipe elbow
The pipe elbow is only accessible when the
steam cylinder is removed.
»
Remove the pipe elbow from the back
wall of the housing by unscrewing the
fixing screw of the pipe elbow.
»
Check the small opening on the top
of the pipe elbow for dirt.
»
Remove any dirt, e.g. with a small
screwdriver.
»
Reattach the pipe elbow to the back
wall of the housing with the screw.
The vent hole should be checked for free cir-
culation during every maintenance. A blo-
cked vent hole has a negative effect on the
drainage process (see also chapter "Trouble
shooting" in the manual of the control).
9.10 Heater element replacement
Removal
»
Remove and open steam cylinder as
described in the „Removing and
cleaning the steam cylinder“ section
(section 9.4).
»
Open cylinder clamping belt (6) and
lift-off cover (7) with heater elements
(8).
»
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.
»
Pull heater element/s downward out
of steam cylinder cover.
»
Remove grounding ring cable lug.
»
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 new sealing) while
considering 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.
Please note
Please note