• Do not modify the equipment without approval from an authorized Xylem
representative.
• Only use parts that are provided by an authorized Xylem representative.
Guidelines for compliance
Compliance is fulfilled only when you operate the unit within its intended use. Do not
change the conditions of the service without the approval of an Xylem representative.
When you install or maintain explosion proof products, always comply with the directive
and applicable standards (for example, IEC/EN 60079–14).
Minimum permitted liquid level
See the dimensional drawings of the product for the minimum permitted liquid level
according to the approval for explosion proof products. If the information is missing on the
dimensional drawing, the product must be fully submerged. Level-sensing equipment
must be installed if the product can be operated at less than the minimum submersion
depth.
Monitoring equipment
For additional safety, use condition-monitoring devices. Condition-monitoring devices
include but are not limited to the following:
• Level indicators
• Temperature detectors
Product warranty
Coverage
Xylem undertakes to remedy defects in products from Xylem under these conditions:
• The faults are due to defects in design, materials, or workmanship.
• The faults are reported to an Xylem representative within the warranty period.
• The product is used only under the conditions described in this manual.
• The monitoring equipment incorporated in the product is correctly connected and in
use.
• All service and repair work is done by Xylem-authorized personnel.
• Genuine Xylem parts are used.
• Only Ex-approved spare parts and accessories authorized by Xylem are used in Ex-
approved products.
Limitations
The warranty does not cover defects caused by these situations:
• Deficient maintenance
• Improper installation
• Modifications or changes to the product and installation made without consulting
Xylem
• Incorrectly executed repair work
• Normal wear and tear
Xylem assumes no liability for these situations:
• Bodily injuries
• Material damages
• Economic losses
Warranty claim
Xylem products are high-quality products with expected reliable operation and long life.
However, should the need arise for a warranty claim, then contact your Xylem
representative.
Introduction and Safety
Flygt 3153 Installation, Operation, and Maintenance Manual 7
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