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Maintenance
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13.0 MAINTENANCE
13.1 Safety Instructions
All maintenance operations must strictly observe national, state and local accident prevention regula-
tions, especially the regulations concerning electrical systems, refrigerators and manufacturing
resources.
Air conditioning equipment maintenance may be performed only by authorized properly trained and
qualified personnel.
To keep all warranties valid, the maintenance must adhere to the manufacturer’s regulations.
NOTICE
Risk of improper maintenance. Can cause equipment damage.
All maintenance must be performed only by authorized properly trained and qualified
personnel.
Ignoring safety instructions can be dangerous to persons as well as to the environment. Soiled parts
always cause a loss of performance and, for switch or control devices, can lead to the breakdown of a
plant.
13.2 Spare Parts
Only original spare parts made by Emerson Network Power may be used. Using third-party material
can invalidate the warranty. When making seeking technical assistance, always refer to the compo-
nent list supplied with the equipment, and specify the model number, serial number and, if available,
the part number.
13.3 Maintenance Schedule
Conduct monthly, quarterly, biannual and annual checks according to the following guidelines.
All tasks and time periods listed here are the manufacturers’ regulations and must be documented in
an inspection report.
!
WARNING
Risk of contact with rotating parts and hot surfaces. Can cause equipment damage, injury and
death.
Perform maintenance only when the system is fully stopped.
• Turn Off the system by switching it Off at the controller and the main switch.
• Post a warning sign saying “Do not switch on.”
• Electrical components of the unit must be switched Off and checked to ensure they are not
receiving electrical input power.
NOTE
1. When replacing a faulty component, follow the relevant manufacturer instructions.
2. When the spare parts must be brazed, be careful not to damage the internal parts (gaskets,
seals, O-rings, etc.).