Maintenance And Periodic Check; Important Warnings; General Observatiotions And Advise - Teddington CS300 Série Manuel Technique

MAINTENANCE AND PERIODIC CHECK

IMPORTANT WARNINGS

All this operations described in this chapter MUST BE
DONE BY TRAINED PEOPLE ONLY.
WARNING: Inside the unit some moving components are present. Be very careful
when operating in their surroundings even if the electric supply is disconnected.
WARNING: The unit should be installed so that maintenance and/or repair services be
possible. The warranty does not cover costs due to lifting apparatus, platforms or
other lifting systems required by the warranty interventions.
WARNING: The top shell and discharge line of compressor are usually at high
temperature level. Be very careful when operating in their surroundings.
WARNING: Aluminium coil fins are very sharp and can cause serious wounds. Be very
careful when operating in their surroundings.
Before every operation of servicing on the unit, be sure that the electric supply has
been disconnected.
After servicing operations, close the unit with cover panels, fixing them with locking
screws.
When lateral panels must be removed for installation or maintenance, keep the
internal wires at a proper distance from lateral panels in order to avoid contacts.

GENERAL OBSERVATIOTIONS AND ADVISE

It is a good rule to carry on periodic checks in order to verify the correct working of the unit:
Check that safety and control devices are working correctly (monthly).
Make sure that all the terminals on the electric board and on the compressor be
well locked. Periodic cleaning of the sliding terminals of the contactors should be
done: if any damage is found, please replace the contactors (monthly).
Make sure that there is no oil leakage from compressor (monthly).
Check that the electric resistance in the compressor crankcase be properly
functioning (monthly: low temperature units only).
Clean draining pan and pipeline (monthly).
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