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Repalcement of the air filter
This section describes the replacement of the air filter. The filter is used for filtering the dust and dirt
from the ambient air when using free cooling.
When to replace
Option 1
: combine unit with energy saving mode
The filter must be replaced with a maximum of 6 months (normally air quality location) or 2 months
(bad air quality location) interval.
Option 2:
combine unit with emergency cooling mode
The filter must be replaced with a maximum of 1—2 year interval.
Before you start
Make sure that you have the following available before you start:
A Torx 20 screwdriver
A 7# spanner
A filter, see section called “spare parts” for details.
Caution
Only trained or certified technicians are allowed to carry out the replacement of parts. Remember that
all power to the unit must be switched off or disconnected before start any service work on the unit.
Illustration
This illustrates where the air filter is placed.
Back Cover
Air Filter (White)
Two Toggle clamps
Summary of Contents for DCU22-2000DH
Page 51: ...51 of 53 12 Appendix Dimension...
Page 52: ...52 of 53 Wiring diagram...
