Pentair 255 / 742-762-764 Benutzerhandbuch Seite 5

2 . Safety
2.1. Serial label location
Model
Part number
Electrical rating
Production date
Production order
Serial number
Note: 
Ensure that the serial label and the safety tags on the device are completely legible and clean. If necessary, replace
them with new tags and put them in the same places.
2.2. Hazards
All the safety and protection instructions contained in this document must be observed in order to avoid serious or permanent
injuries, damage to property or environmental pollution.
At the same time, any other legal regulations, accident prevention and environmental protection measures, as well as any
recognized technical regulations relating to appropriate and risk-free methods of working which apply in the country and place
of use of the device must be adhered to.
Any non-observation of the safety and protection rules, as well as any existing legal and technical regulations, will result in a
risk of temporary or permanent injury, damage to property or environmental pollution.
2.2.1. Personnel
Caution: 
Only qualified and professional personnel, based on their training, experience and instruction as well as their
knowledge of the regulations, the safety rules and operations performed, are authorized to carry out necessary
work.
2.2.2. Material
To ensure proper system operation, observe the following points:
• do not remove the locking bar;
• be careful of electrical hazards due to the 230V/12V transformer;
• do not put your fingers in the product (moving parts and residual voltage).
2.3. Hygiene and sanitation
Contact your local dealer and ask for a sanitization treatment if the treated water has an off-taste or an unusual odor.
It is strongly recommended to disinfect the system at least once a year.
3 . Description
3.1. Technical specifications
Pressure............................................ Hydrostatic: 20 bar; Working: 1.38 - 8.27 bar
Water temperature ........................... 2 - 38°C
3.2. Environmental conditions
• Maximum relative humidity 80% for temperatures up to 31°C decreasing linearly to 50% relative humidity at 40°C;
• Main supply voltage fluctuations up to ±10% of the nominal voltage;
• Temperature from 5°C to 40°C;
• Indoor use only.
Ref. MKT-UG-021 / B - 09.10.2019
Serial label
Locking bar label
User Guide 255 / LOGIX 742-762-764
Installation warning
5 / 36