SR-plus Steel Shell Boiler

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1 SR-plus Steel Shell Boiler Responsibility for energy and environment Output range 411 to 4150 kw With TopTronic E control

2 Why choose SR-plus? The Hoval SR-plus is a well proven steel shell boiler designed and manufactured in Britain under EN ISO 9001 being fully CE-marked. The SR-plus offers both high efficiency with low NOx and is based on the proven reverse flame pattern of firing. Our wide range of boilers will suit almost any customer s space heating requirements. Economical Ecological Saving energy Low impact on the environment Cost-efficient solution due to low investment cost Best effectiveness due to spiral retarders fitted on the gas side Power saving and high efficiency due to large water capacity Environment friendly due to low NOx emissions Low CO 2 emissions due to minimal fuel consumption Outstanding emissions values due to modulation of low NOx burners Easy to use Simple maintenance Versatile operation Sophisticated Easy to use due to intelligent design details User friendly touchscreen controls with TopTronic E control as standard Service friendly due to easy front door access Large range of applications due to flexible combination options Space-saving due to compact design Simple installation due to high flexibility in positioning 2

3 The complete SR-plus range extends from 411kW to 4150kW. At Hoval we have the perfect system for almost any requirement. SR-plus Highly efficient, low NOx heating for commercial and industrial applications. 3

4 SR-plus Highly efficient, conventional steel shell boiler Clean combustion The boilers are of mild steel welded construction in which the outer shell forms a water space around the combustion chamber. The final pass water jacketed gas passage ways with plain smoke tubes and spiral retarders provide an effective secondary heating surface. With the proven three-pass technique, the hot combustion gases are immediately moved out of the high-temperature zone. The flame temperature is reduced, and the pollutant emissions are minimised. Low operating costs The SR-plus transforms the energy stored in oil and gas into valuable heat with impressive energy - this is demonstrated in a net efficiency to 91.6%. You will benefit from this high efficiency in the form of substantially lower heating costs. The excellent insulation of the boiler lowers the stand-by losses to less than 0.4% and further reduces the energy consumption of the system. Intelligent command centre for your heating system All SR-plus boilers are supplied with a side-mounted TopTronic E/E13.5 control panel. This is mounted on the right hand side of the boiler as standard. The integral TopTronic E Controller provides for control of the gas, oil or dual fuel burner and as an optional extra can sequence up to eight boilers. Optional TopTronic E modules can also be fitted in the control panel depending on system requirements. Burners The SR-plus is suitable for operation with a range of matched burners for use with oil, gas or dual fuel. It is Hoval policy to supply boilers with matched burners from several recognised manufacturers. Details of gas pressures, noise levels, acoustic shrouds etc. are given on individual quotations. User-friendly operation Flue gases pass to a rear mounted flue outlet box and horizontal flue outlet. The flue outlet has a spigot for connecting to the installers flue pipe, and is fitted with a door for cleaning and access. Application however you want it The SR-plus boilers are intended for heating commercial and industrial premises. They may also be used to supply domestic hot water to premises in conjunction with an indirect calorifier. The boilers are suitable for working pressures up to 8 bar and operating temperatures to a maximum of 105 C. On special request boilers are available for operation up to 132 C and 4.5 bar operating pressure, or as an SR-H plus variant for operation up to 150 C and 10 bar operating pressure. 4

5 SR-plus Innovative boiler for large commercial applications Insulated hinged front door Doors can be hinged on either side Large combustion chamber Helps reduce NOx emissions TopTronic E Control Panel Mounted on the right hand side of the boiler as standard Chamber glass Features a combustion chamber sight glass Generous water volume Permits no minimum water flow rate Plain smoke tubes and spiral retarders Reduce laminar flow and increase efficiency Fully insulated combustion chamber For minimal standing losses Technical data (500) (600) (700) (900) (1200) (1500) Output range at high fire kw Maximum operating temperature (1) o C 105 Maximum operating pressure bar 8 Water content litre Dry Boiler Weight (2) kg Dimensions W/H/L (3) mm 1290/1435/ /1590/ /1685/ /1773/ 2952 Technical data (1750) (2000) (2250) (2500) (3000) (3500) (4000) Output range at high fire kw Maximum operating temperature (1) o C 105 Maximum operating pressure bar 8 Water content litre Dry Boiler Weight (2) kg Dimensions W/H/L (3) mm 1795/1940/ /2048/ /2212/ /2295/ /2420/ /2630/ /2700/ 4230 (1) Based on a maximum limit thermostat setting of 120 C. Subject to modification (2) Excludes burner. Weights shown are for the 8 bar boiler (3) Width includes for side mounted control panel. Please allow a further 395mm clearance for opening of the control panel. (4) On special request boilers are available, in accordance with BS855, for operation up to 132 C with 4.5 bar operating pressure to model 3000 only. (5) SR-H plus boilers are also available in accordance with BS EN12953 PED for operation up to 150 C and 10 bar operating pressure (including model 4000). For detailed technical information please refer to separate manual 5

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8 An expert partner One-stop shopping With us you can easily incorporate gas, oil, heat pump, solar, CHP, or biomass energy solutions into your heating system. Technical advice We are happy to assist you and your planning partners in developing intelligent systems, allowing you to take advantage of our expertise and the experience of our specialists. After sales For specialist commissioning and maintenance of your Hoval equipment, contact our service and spares department. Hoval Ltd Northgate Newark-on-Trent Nottinghamshire NG24 1JN United Kingdom Phone Fax July 2017 Responsibility for energy and environment Responsibilty for energy and environment Hoval follows a policy of continued improvement and reserves the right to change specifications without notice.