SR-plus brochure
8Pages

Hoval SR-plus heating boilers BRITISH BLTlTBfflLEfiS

...built in the UK where high quality and reliability have been a way of life for generations. Hoval SR-plus • Simplicity of design • High grade steel construction • No minimum ow required through boiler • Efciency to 92% net • Hinged door for easy cleaning and maintenace • Low annual service costs • Extended warranty and annual service contracts available • Available in PED version for higher temperatures and pressures • Available in Combination, Heatpack and Condensing formats • Available as lead or back-up with biomass or bio-fuel red boilers

Hoval SR-plus steel shell hot water boilers 350kW - 4000kW. Reliable. Durable. Built to Last. The Hoval SR-plus is a well proven steel shell boiler designed and manufactured under EN ISO 9001 being fully CE-marked. The SR-plus offers both high efciency with low NOx and is based on the proven reverse ame pattern of ring. Key Benets ● No minimum water ow rate is required due to the generous boiler water content. However an adequate pump run-on time is required through individual boilers (i.e: when not ring) to dissipate heat to avoid the occurance of nuisance over-temperature lockouts. ● High...

Hoval SR-plus Heating Boiler Technical Data SR-plus Type • Maximum output • Minimum output • Boiler input at maximum output • Boiler input at minimum output • Maximum boiler operating temperature (1) • Minimum return temperature (oil/gas) • Minimum ue gas temperature • Maximum working pressure / test pressure (2) at 100%PN at 30%PN • Standing losses qB at 70°C • Insulation thickness • Fuel Consumption at maximum output Nat Gas (4) 35 seconds oil (5) • Hydraulic resistance through the boiler (6) • Hydraulic resistance with 11 K T • Hydraulic resistance with 20 K T • Water Flow rate with 11 K...

Hoval SR-plus Heating Boiler Dimensions and Technical Information SR-plus heating boiler (models 350 to 900) Control panels are mounted on top of the boiler as standard. Side mounting (left or right) can also be accommodated. Rear view Note: The installer must ensure the condensate drain connection (8) is piped to drain via a drain trap to prevent ue gases escaping. Do not t an isolation valve in this pipework. As well as the safety valve, the installer must provide i) for a pressurised system - an automatic air vent. ii) for an open vented system - a vent from the ow line. Hydraulic Drain...

Dimensions and Technical Information SR-plus heating boiler (models 1200 to 4000) mounted on left or right hand side. Note: The installer must ensure the condensate drain connection (10) is piped to drain via a drain trap to prevent flue gases escaping. Do not fit an isolation valve in this pipework. As well as the safety valve, the installer should provide; i) For a pressurised system - an automatic air vent, ii) For an open vented system - a vent from the flow line. Safety Valve Connection Hydraulic Drain Shell Access Connection Smokebox Cleaning Door Flue Gas Test Point Flue Outlet...

Hoval SR-plus Heating Boiler Installation Information Delivery and assembly All SR-plus boilers are delivered with burner, insulation, cladding and control panel tted prior to despatch. Any ancilliary items such as safety valves, altitude gauges, drain valves, gas boosters etc, will also be supplied separately for tting by the installer. Typical Plan View If 3ph burners are tted, the installer should ensure that the power supply to the burner is exible to allow the boiler door to fully open. Where gas trains fall within the width of the boiler this elbow has to be taken into account. Back...

Other associated products SR-plus Combination The SR-plus combination boiler couples the tried and tested technology of the SR-plus boiler with that of the Hoval CT-plus and Modul-plus calorier range. Mounted on top, the calorier combines with the boiler to provide a fully integrated package, including the primary circulating pump and DHW temperature control. ‘Mix & Match’ your DHW and heating requirements with a tailored combination package. Hoval Ltd Northgate Newark Notts NG24 1JN Tel: (01636) 672711 Fax: (01636) 673532 e-mail: boilersales@hoval.co.uk Web Site: www.hoval.co.uk SR-Plus...