EN / 10-2015 / 1000683
© STULZ GmbH, Hamburg
-
102
-
Maintenance Checklist
STULZUltraSonic-SystemforDirectRoomHumidificationBNB-
17.
Maintenance Checklist
Job to be
pe
rforme
d
Page
Proce
dur
e an
d mai
nten
an
ce interval
Da
te
Si
gn
at
ur
e
Da
te
Si
gn
at
ur
e
Da
te
Si
gn
at
ur
e
OK*
OK*
OK*
Vi
su
al
in
sp
ec
tio
n
48
-
Tightness of connections of water-b
earin
g parts
-
Cleanness of filter
-
Ou
ts
id
e
of
un
it
fo
r i
m
pur
iti
es
-
Water tan
k f
or impuri
ties, damage,
mi
crobial growth
and
corrosion
-
Humidi
ty se
nsor and venti
la
tion slots for imp
urities
-
Solenoid valv
es for deposit
s
Every 3 m
onths**
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
☐
51
-
Chec
k oscillato
rs for
deposits
-
Check
mist
g
uide
pipes for
deposits
Every 6 m
onths**
☐
☐
☐
☐
☐
☐
Leak
test
48
Inspec
t all
scr
ew and
push-
in con
nec
tion
s for leaks an
d a se
cure
fit
Every 6 m
onths**
☐
☐
☐
Clean
the air filter
50
Open
filter
dr
awer, clean
fi
lter
Every 6 m
onths**
☐
☐
☐
Clean
the water tank
51
Remove housing cover and
retaini
ng pla
te tog
eth
er w
ith mist
guide
pip
es (open water
tank), clean
and
disinfect wi
th
hydrogen
pe
roxide solutio
n
Every 6 m
onths**
☐
☐
☐
☐
☐
☐
In
sp
ec
t t
he
e
le
ct
ric
al
sy
st
em
52
Remove
cove
r of control s
ystem an
d
ch
eck
ele
ctrics
Every 6 m
onths**
☐
☐
☐
Replace float swi
tches
55
Open
water
tank, remove
float switch
a
nd fill
valve u
nit
Approx. every 10,000 oper
ating hours**
☐
☐
☐
Re
pl
ac
e
os
cil
la
to
rs
58
Remove wa
te
r tank, disconnec
t ca
bles, detach oscillators
Approx. every 10,000 oper
ating hours**
☐
☐
☐
*
Delet
e a
s a
pp
lic
ab
le
**
Ti
me
int
er
val
s may
be
sho
rt
er
in
isol
at
ed case
s, de
pe
nd
ing
on l
ocal
co
ndi
tions
76
79
78
79
81
85
87
76
