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8 - MAINTENANCE
8.10 CONTROL BOARD
Controls effected on ……………………………..By ………………………………………………. Of the Company…………………..……………………………….
Notes / interventions recommended to the owner
*European regulation 303/2008
Refer to the local actuation regulations; in short and just as an indication the regulation order as follow.
Companies and technicians that effect interventions of installation, maintenance/repairs, leak control and recovery must be CERTIFIED as expected by
the local regulations.
The leak control must be effected with annual renewal.
STRUCTURE
1. Presence of corrosions
2. Panel fixing
WATER CIRCUIT
1. Water filter cleaning
2. Check the exchanger efficiency
3. Circulating pumps
ELECTRICAL CIRCUIT
1. Check of the fixing and the insulation of the power lead
2. Electric panel cleaning
3. Capacity contactor status, terminal closing, cable insulation integrity
4. Voltage and phase unbalancing (no load and on-load)
5. Absorptions of the single electrical loads
6. Test of the compressor carter resistances
REFRIGERANT CIRCUIT
1. Leak control
2. Survey of the refrigerant circuit operating parameters
CONTROL & CONTROL
1. Protective device test : safety valves, pressure switches, thermostats, flow switches etc
2. Control system test: setpoint, climatic compensations, capacity stepping, water / air flow-rate variations etc
3. Control device test : alarm signalling, thermometers, probes, pressure gauges etc
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