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General| Power | 3 kW |
|---|---|
| Voltage | 230 V |
| Frequency | 50 Hz |
| Capacity | 150 liters |
| Heating Element | Immersion Heater |
Guides unit placement, dead leg distances, cold areas, pipework insulation, discharge pipefall, access, and base support.
Details mains water supply requirements, including pressure and flowrate for optimal performance.
Provides advice on suitable terminal fittings, balanced supplies, and pressure effects from height.
Lists incompatible systems and situations to avoid for safe and proper operation of the unit.
Explains pipe fitting types, including compression and BSP connections for the unit.
Details recommended pipe size for cold water supply and the necessity of a stopcock.
Information on connecting the valve, its components (reducer, strainer, etc.), and ensuring correct orientation.
Recommendations for installing a drain tap and positioning its outlet for safe drainage.
Explains the vessel's purpose, pre-charge pressure, connection method, and support requirements.
Guidance on connecting secondary circulation, suitable pipe sizes, and when additional expansion vessels are needed.
Details hot water outlet connections and guidance on distribution pipework sizing.
Detailed guidance on discharge pipe sizing, fall, visibility, material, and arrangement according to Building Regulation G3.
Lists essential pipework connections for direct units: cold water supply, hot water outlet, and discharge pipe.
Details immersion heater wattage, earthing, controller wiring, safety switch requirements, and wiring regulations.
Critical safety warnings for direct units concerning covers, immersion heater replacement, and thermal cut-outs.
Lists pipework connections for indirect units: cold water, hot water, discharge, and primary circuit connections.
Details electrical supply for indirect units, earthing, wiring regulations, and thermal cut-out usage.
Outlines criteria for selecting a compatible boiler for indirect heating systems.
Specifies requirements for the 2-port motorised valve and the necessity of pumped primary circulation.
Information on compatible heating controls and system wiring schemes for indirect units.
Step-by-step guide for filling the unit, checking vessel pressure, and purging air from the system.
Procedures for verifying water connections, strainer condition, and relief valve operation for leaks.
Instructions for enabling the electrical supply and adjusting the thermostat for direct heating units.
Steps for filling and commissioning the primary circuit for indirect heating systems.
Emphasizes the importance of completing the Benchmark™ log book post-installation and servicing.
Outlines ongoing maintenance needs for unvented systems, including valve checks and strainer cleaning.
Details the procedure for manually operating safety valves and confirming their proper reseating.
Step-by-step guide to access, clean, and reassemble the strainer mesh within the Pressure Reducing Valve.
Instructions for draining, removing, cleaning, and refitting immersion heaters safely.
Guidance on how to check and recharge the expansion vessel's pre-charge pressure.
Steps for re-commissioning the system after maintenance, including connection checks and air purging.
Reinforces the requirement to document maintenance activities in the Benchmark™ log book.
Provides critical warnings and guidelines for authorized personnel and the use of approved spare parts.
A comprehensive list of available spare parts with their corresponding part numbers for easy identification.
Crucial warnings for users regarding safety valve discharge and the prohibition of tampering with system controls.
Instructions for adjusting the thermostat and thermal cut-out settings on direct unit immersion heaters.
Instructions for adjusting the thermostat and thermal cut-out settings on indirect unit systems.
Explains normal flow surges and potential water cloudiness due to aeration during initial use.
Refers users to the fault-finding section and notes the need for periodic expansion vessel recharging.
Information on product recyclability and the use of CFC/HCFC free polyurethane foam insulation.
Lists approved stockists for efficient and fast supply of spare parts for the unit.
