Preventive Maintenance - Lennox ECOLEAN EAC 0091 S Installation, Operating And Maintenance

4.- MAINTENANCE

4.1.- PREVENTIVE MAINTENANCE

PREVENTIVE MAINTENANCE PREVENTS COSTLY REPAIRS.
We recommend regular and thorough servicing of the LENNOX unit. It is therefore
advisable to ask your dealer about maintenance contracts. Check maintenance of the
following points (depending on the operating conditions maintenance every 6 months
may be necessary).
Local legislation always takes precedence.
- GENERAL STATE OF THE CASING:
Casing, paint, deterioration due to bumps, rust spots, leveling and supporting, state of the antivibration mounts,
if installed, screwed panels, etc.
- ELECTRICAL CONNECTIONS:
State of cables, tightness of screws, grounding, current draw of the compressor and fans and checking that the
unit is receiving the correct voltage.
- COOLING CIRCUIT:
Check that pressure values are correct and that there are no leaks. Check that there is no damage to the pipe
insulation, that the state of the batteries is correct and that there are no chips or clogs
retained by the air flow, etc.
- COMPRESSOR:
Inspect the oil level, if sight glass is present.
Inspect the state of the compressor mountings.
- FANS:
Check that fans turn freely and in the correct direction without excessive noises.
- CONTROL:
Check Set Points and normal operation.
- WATER:
If the installation contains anti-freeze, regularly check the state of the anti-freeze as well as the cleanliness of
the water.
- WATER FILTER:
Clean the water inlet filter if necessary.
- WATER PUMP:
When the installation is going to work with percentages of glycol up to 20% and water temperatures below -5ºC,
even do we use a specific closing for the water pump, it is advisable to clean the water pump's closing every year
and a half, in order to avoid leaks by crystallization.
- PLATE EXCHANGER:
Prove the general isolation state and tightness of the water connections.
- CHECK FOR REFRIGERANT LEAKAGE AND WATER LEAKAGE.
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