• 6 • Installation - Operation - Maintenance manual (IOM) • AIR COOLED CHILLERS & SPLIT UNITS - 0105-E
WARRANTY
2 - WARRANTY
The warranty of the chillers is subject to the warranty definitions as agreed upon in the order.
It is expected that the design and installation of the unit utilises good working practices.
The warranty will be legally null and void if :
- Service and maintenance have not been executed in accordance with the regulations, repairs have not
been carried out by Lennox personnel or have been implemented without prior written permission by
Lennox.
- Modifications have been made to the equipment without prior written permission by Lennox.
- Settings and protections have been modified without prior written permission by Lennox.
- Non-original or other than the prescribed refrigerants or lubricants are used.
- The equipment has not been installed and/or connected in accordance with the installation instructions.
- The equipment is being used improperly, incorrectly, negligently or not in accordance with its nature and/
or purpose.
- A flow protection device is not fitted.
In these circumstances Lennox is indemnified from any product liability claims from third parties.
In the event of a warranty claim the machine serial number and Lennox order number must be quoted.
2.1 - SAFETY
The safety information contained in this manual is provided as a guide for the safe handling of this
installation. Lennox does not vouch for the completeness of this information and can therefore not accept
liability for any possible omissions.
In the air cooled chillers, heat is being transported by a pressurised refrigerant, with changes in pressure and
temperature. Fans have been provided to discharge heat into the environment. The protection of operating and
maintenance personnel was central in the design of the air cooled chiller. Safety features have been included to
prevent excessive pressure in the system. Sheet metal parts have been fitted to prevent inadvertent contact with
(hot) pipes. The fans are equipped with protective grids and the electrical control panel is completely touch-proof.
This excludes some parts operating at a safe voltage (< 50 Volt). The service panels can only be opened using tools.
Notwithstanding that the air cooled chillers are equipped with extensive safety and protection features, the
utmost care and attention is needed when carrying out operations on the machine. Furthermore, ear
protection should be worn when working on or in the vicinity of the air cooled chillers. Operations on the
cooling circuit or electrical equipment should be carried out by authorised personnel.
2.1.1 - Safety Definition
The air cooled chillers meet the following safety definitions:
- Pr-EN-378-1.
- EU Directive 89/392/EG ("Machine Directive").
- EN-60204-1.
- "EMC Directive".
- Pressure Equipment Directive 97/23/CE.
And is provided with CE markings.(on the condition that the necessary options are present) (for further information
see II-A declaration).
2.1.2 - Warning labels
The chiller is marked with the following warning labels to alert to potential hazards (on or near the potentially
hazardous part).
Check regularly that the warning labels are still in the correct positions on the machine and replace them if
necessary.
High temperatures
Electrical
voltage
Rotating
parts
Sharp
parts
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