ABB APC Series, Installation, Operation And Maintenance Instructions

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APC - Chapter 6. Maintenance 26
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6. Maintenance
Ensure safety procedures are completed as earlier stated.
6.1. APC maintenance
Your capacitors are an investment, protect them by regular maintenance.
Annual maintenance should include:
Remove dust deposits, clean all parts, paint metalwork as required;
Check fuse condition;
Check contactor condition and operation – replace as necessary;
Check isolator connections and operation;
Check operation of PF Controller;
Check ambient temperature and equipment ventilation;
The cleaning of the entry grid is to be checked regularly, the frequency of controls are under end-user’s
responsibility.
Check that ventilation grids are obstructed by neither dust, nor any extraneous body.
6.2. APCR capacitors module replacement
Figure 6.1. APCR 300kvar module 4 replacement
Module 6
Module 5
Module 2
Module 1
Module 3
Module 4