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9 - MAINTENANCE
RECOMMENDED PERIODICAL CHECKS SHEET
Notes/interventions recommended to Owner
* Refer to the local implemented standards; in synthesis and for merely indicative purposes, the regulation prescribes the following.
Companies and technicians carrying out installation, maintenance/repair interventions, leaks check and recovery must be CERTIFIED as
foreseen by the local standards.
The leaks check must be carried out on a yearly basis
√
intervention frequency (months)
3 6 12
□
unit structure control
□
panel fixing
□
fans fixing
□
coil cleaning
□
outflow test
□
air flow rate measurement
□
channelling: anti-vibration devices and fastenings check
□
power supply cable isolation and fastening check
□
earth cable check
□
power remote controls state
□
clamps closure, cables isolation integrity
□
phases unbalancing and power supply voltage (vacuum and loaded)
□
absorption of the individual electric loads
□
compressors carter heaters test
□
leaks control *
□
cooling circuit work parameters detection
□
four-way valve exchange check
□
protective equipment test: safety valves, pressure switches, thermostats, flow meters, etc.
□
protective equipment test: setpoint, climatic compensations, power slicing, air flow rate variations
□
control devices test: alarms signal, thermometers, probes, pressure gauges, etc.
Checks carried out on…………………….......by……………………………...………….company…..............…………………………………………….
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