9
039073 • V
ers
ion
1.
0 • 05
.03.
2007
Preventive maintenance
Introduction
In order to achieve the best possible operation and long lifetime of the air handling unit
it is necessary to perform preventive maintenance of the various parts of the air
handling unit within the necessary intervals. Read more about intervals in the section
“Scheduling service inspections, overview”, page 7
Condition for
warranty
The factory warranty is only valid if documented preventive maintenance has been
carried out by the instructions in this section. The documentation could be in form of a
written log.
Contents
This section covers the following topics:
Topic
See page
How to service the cabinet
10
How to service fans and fan motors
11
How to service the cross-flow heat exchanger
13
How to service the rotary heat exchanger
15
How to service run-around heat exchangers
17
How to service the filter
19
How to service the heating coil
20
How to service the cooling coil
21
How to service dampers
22