robatherm RM Series - Page 73

Commissioning and Maintenance
© robatherm 69
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Switch Cabinets, Control Panels, controls – Periodic Maintenance
 Check for proper and functionally correct installation and ambient conditions
 Check for contamination, corrosion and damage
 Check protective coverings are complete
 Check electrical/mechanical function of the connections, especially protective conductors
 Check functional elements (e.g. operating - and display devices)
 Check input signals (e.g. sensor, reference variable) match with rated value
 Check optical and acoustic control devices
 Check contactors and relays for wear and damage (e.g. contact erosion)
 Check switching and control processes (e.g. anti-freeze function)
 Check safety devices (e.g. thermal trips)
 Check setting of switch cabinet components (e.g. time relays)
 Check manual, automatic and remote control functions
 Change switch cabinet filter
Switch Cabinets, Control Panels, Controls – Maintenance as required
 Clean to maintain functioning
 Set, adjust, tighten functional elements (e.g. operating and display devices)
 Compensate signals
 Readjust
Transducers, Safety and Monitoring Equipment, – Periodic Maintenance
 Check for proper and functionally correct installation and ambient conditions
 Check for contamination, corrosion and damage
 Check electrical/mechanical function of the connections, especially protective conductors
 Measure and record measurable quantities at measurement point
 Check electrical, electronic and pneumatic measurement signals
Transducers, Safety and Monitoring Equipment – Maintenance as required
 Clean to maintain functioning
 Readjust, regenerate
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Controllers and Supplementary Modules – Periodic Maintenance
 Check for proper and functionally correct installation and ambient conditions
 Check for contamination, corrosion and damage
 Check natural voltage (e.g. buffer batteries, storage batteries)
 Check electrical/mechanical function of the connections, especially protective conductors
 Check functional elements (e.g. operating - and display devices)
 Check electrical, electronic and pneumatic input signals (e.g. sensors, remote adjustment
devices, reference variables)
 Check controller functioning and actuating signal
 Check control loop as per setting parameters including all supplementary functions
Controllers and Supplementary Modules – Maintenance when necessary
 Exchange storage batteries
 Clean to maintain functioning
 Set, adjust, tighten functional elements (e.g. operating and display devices)
 Compensate signals
 Adjust controller functioning and actuating signal
 Adjust control loop as per setting parameters including all supplementary functions