6. MAINTENANCE
43
6.1 Introduction
For optimum operation conditions and a long product life, it is necessary to perform
preventive maintenance on various parts within the stipulated intervals (see 6.2).
When servicing on air-handling unit, always switch off the electricity on the main and repair
switch (complete shutdown) and secure from reconnection from unauthorized persons. Only
open the inspection doors when the unit is stopped and the fans have come to a standstill.
After switching off the unit the fan impeller will run for about 1 to 3 minutes before stopping
totally. The fan wheel must never be stopped by hand or with an object.
Commissioning, maintenance and repair work should only be carried out by trained
professionals
or by people supervised by authorized staff. It is the responsibility of the fitter
to read and understand this guide and other given information.
6.2 Maintenance plan
6.3 Cabinet
The following steps should be taken to maintain the cabinet of the unit:
•
Check the inside of the cabinet for dust or dirt. If necessary, clean either dry or wet
(every 3 months).
•
Clean all drip trays, either dry or wet, and check if condense water can run out freely
(every 3 months).
•
Check for paint damage and rust. Clean the damaged/rusting part and protect it with
new paint (every 3 months).
•
Check all gaskets on the service doors for leaks and damage. Replace damaged
gaskets where necessary (every 12 months).
•
Lubricate door locks and hinges (every 12 months).
Do not under any circumstances use strong solvents or solutions containing, chlorinated
Hydrocarbons, esters, ketones or abrasive cleaner or polish.
Component
Ref
Every 3. month
Every 6. month
Every 12. month
Cabinet
6.3
X
X
Fans
6.4
X
X
X
Filter
6.5
X
X
Heating coil
6.6
X
Heat exchanger
6.7
X
Dampers
6.8
X
X
Cooling circuit DanX 1/2/3
HP
6.9
X
Содержание DanX 1 XD
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