TF7039GB_A_NOT
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REGULAR MAINTENANCE
Periodic maintenance is essential to keep the unit fully functional, both from a functional and energy point of
view. It is therefore essential to provide
annual checks for:
Module Test object
Target state
Measure for deviation from target
Remarks
Fa
n
All fan parts
No obvious damage detecta-
ble, free of contamination
Check for deposits, clean up, inform
customer service if necessary
Impeller
Quiet, vibration-free running,
no grinding noises
Check for deposits, clean up, inform
customer service if necessary
If the roller bearings are defective, the
entire drive must be replaced. After
approximately 10 years, the exhaust
fan must be subject to
a thorough inspection and a decision
taken by an expert on its
continued operation.
Ele
c
tric
Fuses
Work correctly
Replacement
Supply voltage
Corresponding technical data
Adjustment
Power consumption
Corresponding technical data
Investigate causes,
inform customer service
Connections
Seated firmly
Check for damage and remedy it, fas-
ten the connections
Hea
tin
g
w
a
te
r
c
irc
ui
t
Water circuit
Filled
Filling the water circuit
Air-free
Ventilate
Water filter
Residue-free
Cleaning the water filter
Thermal insulation of
water pipes
available, not damaged
Replacement
Refrig
e
ran
t c
ir
c
ui
t
Compressor
Condition unremarkable
Inform customer services
Evaporator
Free of deposits and corrosion
Inform customer services
Operating pressure
Corresponding technical data
Inform customer services
Circuit
Tight*, leak-free
Inform customer services, remedy
leak, refill
Max./min.
pressure
switch
Work correctly
Replacement
Filter dryer
Work correctly
Replacement
Refrigerant sight glass
Filling quantity ok and dry (vis-
ual inspection)
Refill
Cond
e
n-
s
a
te
d
rip
tray
Condensate drip tray
No standing condensate, no
foreign bodies or contamina-
tion visible
Check whether drain free, cleaning
Condensate drain
Free drain, no foreign bodies
visible in opening
Cleaning
Byp
a
s
s
m
od
ul
e
Smoke detector
Flashes red for 4 minutes (1x
per second) after switching on
the unit, detector less than 8
years old (see date of manu-
facture)
Replace the smoke detector
Bypass
Opens quickly and completely
when switched off, closes
completely after switching on
the unit (approx. 1 minute)
Investigate causes,
inform customer service
Sum
o
f
c
om
po
-
ne
nts
Screws, compressors,
switch boxes, housing,
etc.
Seated firmly
Fixings
Overall
appearance,
especially feet and fix-
ings
No signs of corrosion, stuck
fasteners, no deformations
Treatment of affected surfaces with
suitable means, re-tightening of fas-
teners, testing for stability
* Leak test is not mandatory according to EU regulation 517/2014.
