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Ariston ST 50 ProTech User Manual

Ariston ST 50 ProTech
34 pages
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ARISTON
Instructions
for
Installation,
Servicing
and
Use
Unvented
Hot
Water
Storage
Cylinders
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Country
of
destination:
GB/IE
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benchmark
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Ariston ST 50 ProTech Specifications

General IconGeneral
Capacity50 liters
Power1500 W
Voltage230 V
Frequency50 Hz
Maximum working pressure8 bar
Maximum working temperature75°C
Weight16 kg
Protection classIPX3
Heating ElementCopper
ThermostatAdjustable
Safety FeaturesSafety valve

Summary

General Information

Guarantee

Details the warranty periods for different cylinder models and conditions.

How the Appliance Works

Explains the internal mechanisms, thermostats, and thermal cut-outs controlling the water heating.

Delivery

Outlines the various options and contents supplied for different Ariston unvented cylinder models.

Installation

Water Regulations

Specifies requirements for using approved materials and ensuring wholesome water supply.

Building Regulations

Details compliance with G3 regulation and notification requirements for unvented systems.

General Guidance

Offers advice on solar thermal circuit connections and general installation principles.

Cold Water Supply

Explains the function of strainers, pressure reducers, and the importance of adequate supply.

Siting and Fixing

Provides guidelines on locating the cylinder, floor strength, vertical positioning, and access for maintenance.

Overall Dimensions

Presents detailed dimensional data and weights for various cylinder models in a table.

Connection of Mains Water Supply

Details pipework sizing, isolating valves, flushing requirements, and expansion vessel installation.

Cold Water Combination Valve

Explains the function and fitting of the cold water combination valve, including balancing ports.

Connection to Services

Recommends pipe sizing for outlets and connections to services like baths and showers.

Secondary Return

Discusses fitting a secondary return system, including non-return valves and pumps.

Discharge Pipework

Provides critical safety rules for installing discharge pipes from relief valves, including sizing and termination.

Electrical Connection

Outlines electrical installation requirements, focusing on the ProTech anti-corrosion system and power supply.

Electrical Diagrams

Includes wiring diagrams for single and dual element immersion heaters and their connections.

Commissioning

Maintenance

ProTech Anti-corrosion System

Provides troubleshooting steps for the ProTech system's LED indicators and replacement procedures.

Thermal Cut-out(s)

Instructs to identify the cause of thermal cut-out operation before resetting.

Immersion Heater(s)

Recommends replacing scaled immersion heaters and using scale reducers for hard water areas.

Unvented Controls

Details checks for line strainers, expansion vessels, and pressure relief valves.

Thermostats

Advises on setting thermostats to the correct temperature range for optimal performance and longevity.

Maintenance Procedure

Outlines the procedure for draining the cylinder, checking magnesium anodes, and thermal cut-outs.

Fault Finding

Technical Data

Benchmark Commissioning Checklist

Benchmark Service Record

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