Vertiv Liebert LVC - Chapter 5: Maintenance and Troubleshooting; Maintenance; Maintenance of Condenser Components

Vertiv | Liebert LVC | User Manual 29
Maintenance and Troubleshooting
Chapter 5: Maintenance and Troubleshooting
This chapter introduces the maintenance and troubleshooting of the condenser. User should check the
condenser regularly and solve the problems in time.
• It is recommended the maintenance of the condenser should be done by technicians.
• Except for the commissioning items that must be carried out with power-on, during maintenance,
the power of the indoor unit and the air switch of the condenser must be cut o.
5.1. Maintenance
5.1.1. Maintenance of Condenser Components
• Refrigeration system
1. Check that the refrigeration pipes are rmly xed. The refrigeration pipes shall not shake with the vibration
of wall, earth or equipment frame. Otherwise, reinforce the refrigeration pipes with fastening objects.
2. Check that there is no oil on the accessories of all refrigeration pipes, and make sure that the pipes do not
leak.
• Heat exchanger
1. Clean the ns of the heat exchanger regularly. There is a cleaning window under each electrical box of the
No. 2 system of the condenser, as shown in the Figure 5-1. During cleaning, ensure the power is o, electrical
box be sealed well and control the blow-o angles is less than 45º between blowing o direction and
condenser airow direction.
Figure 5-1 Cleaning Window