IV Produkt Envistar Top 04-21, Эксплуатация и обслуживание

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Page 32
Operation and Maintenance
Envistar Top 04-21
DSET.190501.01.EN
Continuous product development may give rise to specification changes without notice.
6 Maintenance instructions
6.1 Service schedule
The service schedule comprises actions and service intervals for functional sections that can be part
of the air handling unit. The relevant parts are shown in the order document Technical Data.
Make copies of the service schedule for future use before you fill in servicing data for the first time.
For hygiene inspections according to guideline VDI 6022, see separate
VDI 6022 Checklist for Operation and Maintenance, Hygiene checks at ivprodukt.docfactory.com .
Service year 20
.......
-
.......
for unit no.
............................
Service performed * (date and signature)
Functional section Code
Recommended action
(insp.)
Page
ref.
5000 h /
12 mths
10,000 h /
24 mths
15,000 h /
36 mths
20,000 h /
48 mths
date date date date
Filter supply air,
extract air
ETFL
Check pressure drop
Change filter if neces-
sary
34
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Rotary heat
exchanger
TXRR
Visual inspection
Check press. balance
Check diff. pressure
Control rotor speed
Clean if necessary
37
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Counter-flow
exchanger, size
04-12
TXMM
Visual inspection
Clean if necessary
Check function
42
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H O
2
Air heater water ETAB-VV
ETAB TV
Visual inspection
Clean if necessary
Check function
44
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Air heater
electric
ETAB-EV
ETKB-EV
ETAB-SV
Visual inspection
Clean if necessary
Check function
46
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H O
/DX
2
Air cooler
water/DX
ETKB-VK
Visual inspection
Check drainage
Clean if necessary
Check function
47 signature signature signature signature
Fan unit ELFF
Visual inspection
Clean if necessary
Check the air flow
48
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Damper
ETSP-UM
ETSP-TP
Visual inspection
Clean if necessary
Check tightness
51
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Sound attenu-
ator
ETLD
Visual inspection
Clean if necessary
52
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*
Every 5000th hour in operation or every 12 months depending on which occurs first. More frequent servic-
ing may be required in certain environments.