Vertiv | Liebert CRV+ | User Manual 69
Display Set
Finally, select Display Set on the Main menu screen to see the menu items as depicted in Figure 3-36:
Figure 3-36 Display Set
3.2 General Maintenance
This chapter deals with the system operation and maintenance of the Liebert CRV+ range of air
conditioners. In this chapter, the following points or items will be discussed to help users get to grips with
the routine inspections and checks from a user-perspective. It includes the maintenance of electrical
parts and connections, refrigerant system maintenance guidelines, routine monthly and bi-annual
checklists, and drainage system maintenance among others. It also discusses the basic troubleshooting
which can be understood from a user perspective.
Prior to operation and maintenance, lethal voltage may be present in the equipment
which can be fatal. All notes, warnings, and cautionary warnings marked on the
equipment as well as the ones mentioned in the manual must be considered, otherwise, it
m
ay lead to injury and fatality.
Disconnect local and remote power supplies before operating or working with the
equipment.
Qualified and Professional Maintenance personnel are the ones supposed to operate
and handle the equipment. Careful and cautionary measures are conveyed to the
professional personnel and therefore, only those personnel may perform maintenance on
these machines.
Check the label of the components of the unit as well as the manual to ensure all
aspects are taken into account before operation and maintenance.
Follow all the local codes, protocols, and regulations prior to maintenance.
Read all the instructions to verify that all the parts are included and check the nameplate to
ensure that the voltage matches the available utility power.
3.2.1 Routine Maintenance & Inspection (Monthly)
Following is a checklist which contains parts and components that are to be checked to ensure proper
and accurate functionality. In addition to that, there may be wear and tear of the equipment.
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