REMEHA Avanta Plus 28c User Manual
Fully condensing high-efficiency central heating boilers
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- Installation and service manual (153 pages) ,
- Installation & service manual (72 pages) ,
- User manual (3 pages)
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Summary of Contents for REMEHA Avanta Plus 28c
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Page 1: User Guide
Remeha Avanta Plus 28c Remeha Avanta Plus 39c Remeha Avanta Plus 24s User guide Remeha Avanta Plus... -
Page 2: Table Of Contents
TIPS FOR MAINTAINING THE BOILER AND CENTRAL HEATING SYSTEM ENERGY SAVINGS AND ENVIRONMENTAL PROTECTION 9.1 Tips on saving energy 9.2 Room thermostats and settings 10 EXPANDING THE CENTRAL HEATING SYSTEM TECHNICAL DATA 12 APPENDICES 12.1 Remeha factory test 12.2 EC regulations... - Page 3 INTRODUCTION The Remeha Avanta Plus range are a series of fully condens- ing high-efficiency central heating boilers, available in the fol- lowing types: • Remeha Avanta Plus 28c and 39c - with integrated domestic hot water system (combi-type) • Remeha Avanta Plus 24s...
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Page 4: Safety
Remeha Avanta Plus SAFETY This User Guide uses specific terms and pictograms to draw particular attention to instructions. Broag does this to enhance the user’s safety, to prevent problems and ensure the technical reliability of the boiler. General safety The following pictograms are used in this Installation and User manual to specifically draw certain points to your attention: ... -
Page 5: Boiler
Service once a year The boiler must be inspected once a year by a qualified engi- neer to ensure optimum, safe operation. Repairs Repairs to the Avanta Plus must only be carried out by a quali- fied engineer and in accordance with the applicable regula- tions and (safety) requirements. -
Page 6: Controls
Remeha Avanta Plus Controls The Remeha Avanta Plus is a fully modulating boiler and can be controlled using one or more of the following methods; Open Therm – 2 wire interface compatible with the Remeha Celcia 15 room compensator and the Remeha Celcia 20 outside weather compensator or with any other OpenTherm control. -
Page 7: Normal Start-Up Procedure
Normal start-up procedure Activate the switch on the spur unit for mains supply; the boiler will run the start-up program. - A display test will briefly appear showing all segments of the display. f[ xx software version; LT.NL.W6H.000.066 p[ xx parameter version; LTNLW6H000066A - A venting cycle of 2 minutes now follows, the version numbers will be displayed alternately;... -
Page 8: Changing Settings
Remeha Avanta Plus • Press the [+] key again until t4 appears and, for exam- ple, 18 (18°C), the current outside temperature; • Press [+] key again until fl appears and e.g. ^0 (6uA), the present ionisation current; • Press [+] key again until ñf appears and e.g. 30 (3000 rpm), the present fan speed;... - Page 9 Changing P3 setting: boiler regulation (domestic hot water and central heating mode) DHW use only If the Remeha Avanta Plus is, for example, only being used to provide domestic hot water, switch the boiler regulation system LT.NL.W6H.000.071 for the central heating system off.
- Page 10 Remeha Avanta Plus In the comfort mode the boiler will be seen to run occasionally even if time clocks are in the off position. 0 = Comfort mode 1 = Eco mode 2 = regulated by controller (= factory setting) Change the mode as follows: •...
- Page 11 P6 setting: display on/off Display off Operating codes on display change constantly as a result of different operating modes. If boiler is in visible location, this can be annoying. Display is therefore set to ‘Automatically off’. Display goes off after 3 minutes, i.e. one or two dots remain visible to indicate that boiler is operational (two dots) or non- operational (one dot).
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Page 12: Problems With Boiler And/Or Central Heating System
Remeha Avanta Plus PROBLEMS WITH BOILER AND/OR CENTRAL HEATING SYSTEM See par. 4.1 for problems with the boiler and/or central heat- ing system which the user can resolve himself. See par.4.2 for error codes which have to be remedied by the installer. Other problems are listed in the error table in par. -
Page 13: Other Problems
Other problems Problem or error Possible cause Solution/points to check A. No hot water when tap is Check whether the boiler is switched on Boiler is not running turned on check whether a fuse has blown; check whether the gas tap is properly open. Water pressure is too low (less than 1 Check mains cold water pressure bar) -
Page 14: Topping Up, Bleeding And Draining System
230 V Topping up the central heating system The Remeha Avanta Plus runs best with a water pressure of between 1.5 and 2 bar (see the water-pressure meter at the bottom of the boiler). If the water pressure falls below 1 bar, the system has to be topped up with water. - Page 15 • When topping up, use a filling loop, a cloth and a bleed key. LTALW7H000229a LT.AL.W7H.000.229 Top the Avanta Plus up as follows: • Attach the filling loop between mains cold water inlet and CH return. LT.AL.W7H.000.235 LTALW7H000235b • Turn the filling loop valve open by a quarter turn. ...
- Page 16 Remeha Avanta Plus • Turn the filling loop valve off again once the water-pres- sure meter shows 2 bar. • Remove the filling loop after topping up the system. 2 bar LT.AL.W7H.000.237 LTALW7H000237b Air gets into the central heating system when topping up with water.
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Page 17: Bleeding The Central Heating System
Bleeding the central heating system A gurgling noise in pipes and/or radiators which only partially heat up indicate(s) air in pipes and radiators. The central heat- ing system has to be bled. Before bleeding, the following preparations have to be made: •... -
Page 18: Hot Water
Remeha Avanta Plus • Hold a cloth against the bleed nipple, open the nipple with a bleed key and allow air to escape slowly. LTNLPER000017a LTNLPER000018a LT.NL.PER.000.017 + LT.NL.PER.000.018 • Wait until water comes out of the bleed valve (without spluttering) and then close the bleed nipple. -
Page 19: Draining The Central Heating System
• Set the room thermostat to the desired temperature and close the radiator valves in those rooms which do not have to be heated. LTALW7H000212a LTNLPER000025a LT.AL.W7H.000.212 + LT.NL.PER.000.024 + LT.NL.PER.000.025 LTNLPER000024A Draining the central heating system Draining the central heating system may be necessary if the radiators have to be replaced, if there is a serious leak, or if there is a risk of freezing. - Page 20 Remeha Avanta Plus • Connect a drain hose to the lowest drainage valve; place the other end of the hose in a drain or in a place where drained system water will not cause any damage. LTALW7H000216a LT.AL.W7H.000.216 • Open the drainage valve by turning it through a quarter- turn and allow the central heating system to empty.
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Page 21: Disabling The Boiler
DISABLING THE BOILER The boiler must be disabled before any maintenance or repairs are carried out. If the central heating system is not used for a long time (during the holidays, for instance, or periods of milder weather) it is advisable to disable the boiler. Boiler with frost protection, during longer periods of non- •... -
Page 22: Enabling The Boiler
Remeha Avanta Plus ENABLING THE BOILER • Check the boiler water pressure. If the water pressure is less than 1 bar, the system has to be topped up with water, see par.5.1. 1,5 ... 2 bar LTALW7H000211a LT.AL.W7H.000.211 • Switch on the boiler at the fused spur unit; the boiler will run the start-up program. -
Page 23: Tips For Maintaining The Boiler And Central Heating System
TIPS FOR MAINTAINING THE BOILER AND CENTRAL HEATING SYSTEM • Check the water pressure of the central heating system several times a year. If the water pressure is too low, top up with water (see par. 5.2). The optimum pressure is between 1.5 and 2 bar. - Page 24 Remeha Avanta Plus • Clean the outside of the boiler with a damp cloth and mild detergent. LT.AL.W7H.000.221 LTALW7H000221a Cleaning The inside of the boiler may only be cleaned by the installer. Service contract Soiling may reduce the performance of boiler components.
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Page 25: Energy Savings And Environmental Protection
• tips on correctly setting the room thermostat. Tips on saving energy • Ensure that the room in which the Remeha Avanta Plus is fitted is well ventilated. Do not seal up ventilation open- ings. • Place radiator foil on walls behind radiators; this reflects heat which is otherwise wasted. -
Page 26: Expanding The Central Heating System
Remeha Avanta Plus EXPANDING THE CENTRAL HEATING SYSTEM Connecting thermostats A 2-wire on/off thermostat (e.g. the Remeha Celcia 10) or to a modulating thermostat (e.g. the Remeha Celcia 15 or 20) can be connected to the Avanta Plus. Consult the installer about connecting the thermostat you have chosen. -
Page 27: Appendices
APPENDICES 12.1 Remeha factory test Before it leaves the factory, each Remeha Avanta Plus boiler is optimally adjusted and tested for: - electrical safety; - CO2- adjustment; - hot water function; - water tightness; - gas tightness; - automation parameters. - Page 28 LTALW7H000069a LTALW7H000067a LTALW7H000071a LTALW7H000073a 5 9 7 4 9 Broag Ltd. Remeha House, Molly Millars Lane, RG41 2QP WOKINGHAM, Berks. Tel: +44 118 9783434, Fax: +44 118 9786977 E-mail: boilers@broag-remeha.com, Internet: uk.remeha.com...