21
The part number, the order confirmation and the unit serial number indicated on the name plate must be provided
whenever service works or spare parts are ordered.
For any spare part order, indicate the date of unit installation and date of failure. Use the part number provided
by our service spare parts, if it not available, provide full description of the part required.
18. ORDERING SERVICE AND SPARE PARTS ORDER
19. MAINTENANCE
The user is responsible for ensuring that the unit is in perfect working order and that the technical
installation and
minimum annual maintenance
operations have been performed by a qualified
technician in accordance with the procedures described in the present manual.
19.1. SERVICING CHECKLIST
WARNING :
Isolate unit from power supply before working on unit.
Depending on actual operational constraints and regulatory changes, the installer might recommend increased
maintenance operations and more frequent inspections.
Carry out a visual inspection of the complete installation in service.
19.1.1. CASING
1. Clean the outer panels.
2. Remove the panels.
3. Check that the insulation is not damaged. Repair as required.
19.1.2. CONDENSATE DRAIN PAN
1. Check that the drainage orifices, conduits and siphon are not blocked.
2. Eliminate all accumulated dirt.
19.1.3. HEAT EXCHANGER
1. Clean the heat exchanger using a special product for aluminium-copper heat exchangers, and rinse
with water. Do not use hot water or steam, as this could cause the pressure of the refrigerant to rise.
2. Check for signs of wear on the fan bearings.
3. Check the condition of the fan and the fan motor.
1. Check that the main power supply cable is not damaged or altered in such a way as to affect the
insulation.
2. Check the tightness of the screw terminals.
3. Check the general tightness of all cable connections.
4. Perform a visual check of the condition of the contacts.
5. Inspect the relay contact surfaces and the contractors and replace them if necessary.
6. Check nominal current draw and the condition of the fuses.
7. Clean the control box with compressed air to remove any build-ups of dust or dirt.
8. Check the earth grounding connection.
19.1.4. ELECTRICAL EQUIPMENT
Содержание K 12 OG LN
Страница 2: ......
Страница 25: ...APPENDIX ANNEXE ANLAGE ALLEGATO ANEXO APPENDIX ANNEXE ANLAGE ALLEGATO ANEXO...
Страница 31: ...APPENDIX ANNEXE ANLAGE ALLEGATO ANEXO VII 9 2T 12 2T 18 2T 9 4T 12 4T 18 4T...
Страница 32: ...APPENDIX ANNEXE ANLAGE ALLEGATO ANEXO VIII...
Страница 33: ...APPENDIX ANNEXE ANLAGE ALLEGATO ANEXO IX AQUANET 9 2T 12 2T 18 2T 9 4T 12 4T 18 4T...
Страница 34: ...APPENDIX ANNEXE ANLAGE ALLEGATO ANEXO X...
Страница 44: ...APPENDIX ANNEXE ANLAGE ALLEGATO ANEXO XX...
