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Summary of Contents for Ariterm ARIMAX 700
- Page 1 INSTALLATION, OPERATION AND MAINTENANCE • ARIMAX 700-3000kW Step grate boiler...
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Page 2: Table Of Contents
TABLE OF CONTENTS System description ................ 4-6 Operating and maintenance procedures .........7 Safety systems guarding against burn-back ....... 8-9 Maintenance ..................10 Technical specifications ..............11... - Page 3 ARIMAX 700-3000kW Step grate central heating boiler for wood chip heating...
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Page 4: System Description
SYSTEM DESCRIPTION Ariterm bio-heating systems are designed for heating the boiler water of central heating sys- tems. The system usually comprises a central heating boiler, fuel feed and burner, fuel stoker and a control system with the necessary safety equipment. The Arimax step grate boiler is most suited to the burning of high-quality wood chip. - Page 5 SYSTEM DESCRIPTION The control of the automation system is described in separate operating instructions. The burner installed in such a boiler is of the solid step grate type. The grate consists of small cast-iron blocks, which are arranged in steps. The primary combustion air comes from under these blocks and is mixed with the fuel.
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Page 6: System Description
SYSTEM DESCRIPTION The Arimax step grate boiler is composed of the following parts: • central heating boiler 700-300 kW 4-10 bar • ash base • step grate burner integrated into the ash base • ceramic vault for the firebox • combustion air fans (primary, secondary and tertiary) •... -
Page 7: Operating And Maintenance Procedures
OPERATING AND MAINTENANCE PROCEDURES The Arimax step grate boiler is easy to use. The system’ s automatic control directs the combusti- on process by feeding in additional fuel and combustion air if required. The default values of the automation system are set during the initial start-up. Fuel A step grate boiler is best suited to high-quality wood chip. -
Page 8: Safety Systems Guarding Against Burn-Back
SAFETY SYSTEMS GUARDING AGAINST BURN-BACK 1. Pulse-controlled burn-back protection. The system sprays water onto the fuel in the feed auger if the temperature rises above a set value. It operates on the pulse-pause principle until the tempera- ture has fallen. It neither stops the production of heat nor emits an alarm. 2. - Page 9 SAFETY SYSTEMS GUARDING AGAINST BURN-BACK 3. The AVTA valve lets water into the burner augers once a set value in the sensor has been exceeded. The protection system is self-acting and even operates in cases of a power cut. A large amount of water flows in and forms a water seal in the intermediate tank between the fire and the fuel stoker.
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Page 10: Maintenance
SERVICING The grate requires regular cleaning. The intervals between cleaning may vary greatly depending on the fuel being used and the user profile. It is important that the air holes in the grate blocks are kept open. At regular intervals, check that the lower grate is not getting clogged with ash. The job of the grate shaker is to move the ash from the grate to the ash auger. -
Page 11: Technical Specifications
TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS Boiler Arimax Bio 700-3000kW 4-10 bar Step grate Cast-iron elements Combustion air fans Sodeca CMP-718-2T 0,75kW 4-6 kpl Auger motors Flender CAD68-100L4 2,2kW 45rpm Grate motor Motovario 0,55kW... - Page 12 ARITERM SWEDEN AB Flottiljvägen 15 39241 Kalmar www.ariterm.se 0771-442850...
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