9 - Maintenance

For safety reasons, clear the unit opening the switches QS1 and QS2 before performing any maintenance operations.

If installed:

AS THE HIROMATIC/MICROFACE FEATURES AUTOMATIC RESTART (AFTER A SUPPLY INTERRUPTION) IT IS ADVISED TO DISABLE AUTORESTART AND OPEN THE SWITCH QS WHEN PERFORMING ANY MAINTENANCE.

Maintenance program - Monthly check

￿Every day check the Hiromatic/Microface readings for temperature and, if shown, ambient relative humidity.

￿The Maintenance Programme described below should be carried out by a skilled technician, prefer￿ ably working under a maintenance contract.

 

Check that the fan motor rotates freely without any abnormal noise, and ensure

FANS

that the bearings are not running hot.

 

Also check the current absorption.

 

 

 

Check the filter conditions; if necessary clean or replace them.

 

How to replace:

 

￿ remove the upper panel of the unit

AIR FILTERS

￿ extract the filter from its seat horizontally

 

￿ introduce the spare part

 

￿ close the panel

 

In very dusty environments perform this check more frequently.

 

 

HIROMATIC/MICROFACE

Verify the operation of the HIROMATIC/MICROFACE's LEDs, display and

alarms.

 

 

 

ELECTRICAL

￿ Check the power supply on all phases.

CIRCUIT

￿ Ensure that all electrical connections are tight.

 

 

 

￿ Check the evaporating pressures (to be done by a refrigeration technician).

REFRIGERATION

￿ Check the compressor current absorption, its head temperature and the pres￿

CIRCUIT

ence of any unusual noise.

 

￿ Ensure that there is no ice formation on the evaporator.

 

 

9.1 - Dismantling the unit

The machine has been designed and built to ensure con￿ tinuous operation.

The working life of some of the main components, such as the fan and the compressor, depends on their mainte￿

nance.

If the unit has to be dismantled, this must be done by skilled refrigerator technicians.

The refrigerating fluid and the lubricating oil in the cir￿ cuit must be disposed of in conformity with the laws in force in your country.

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