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  5. Installation And Maintenance Manual

Vaillant ecoMAX 646 Installation And Maintenance Manual

Summary of ecoMAX 646

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    Installation and maintenance manual ecomax ecomax 646 for the installer wall hung room sealed fan assisted condensing boiler gb.

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    Installation and maintenance manual ecomax 646 / 0020020158_02 2 contents notes on the documentation ...................................... 3 other relevant documentation and service aids ..... 3 for the installer ..................................................................... 3 symbols used ....

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    3 installation and maintenance manual ecomax 646 / 0020020158_02 notes on the documentation notes on the documentation the following information is intended to guide you through the entire documentation. Further documents apply in combination with this instal- lation and maintenance manual. We accep...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 4 1 description of the appliance 1 description of the appliance 1.1 design 1 2 3 4 7 8 9 10 11 5 6 14 13 12 fig. 1.1 function elements 1 connection for the flue pipe 2 heat exchanger 3 pressure switch 4 pump 5 electronics box 6 return co...

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    5 installation and maintenance manual ecomax 646 / 0020020158_02 description of the appliance 1 1.2 type summary appliance type country of destination (designations according to iso 3166) license category type of gas nominal heat output range p (kw) dhw primary output (kw) ecomax 646 gb (great brita...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 6 2 safety instructions 2 safety instructions and regulations 2.1 safety instructions 2.1.1 installing and setting the appliance important! The appliance must be installed and serviced by a competent person as stated in the gas safety (i...

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    7 installation and maintenance manual ecomax 646 / 0020020158_02 important! When tightening or loosening screwed connections always use suitable open-ended spanners (not pipe wrenches or extensions etc.). Incorrect use and/or unsuitable tools can lead to damage being caused (e.G. Gas or water leakag...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 8 3 mounting 3 mounting the vaillant ecomax 646 is delivered in a package unit. 3.1 scope of delivery and accessories scope of delivery check that all the parts have been delivered intact (see fig. 3.1 and table 3.1). 1 2 3 5 6 7 8 4 fig...

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    9 installation and maintenance manual ecomax 646 / 0020020158_02 3.3 dimensional drawing and connections 70 190 480 800 2 100 144 450 7 100 100 rp1 rp1 5 3 7 r 3/4 fl 20 r 1 180 4 94 1 a fl 80/125 6 fig. 3.2 connection dimensions 1 flue connection Ø 80/125 mm dimension a with 87° elbow: 253 mm 2 mount...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 10 3.4 required minimum gaps/assembly clearances both for the installation/assembly of the appliance and for carrying out maintenance tasks later, you need the minimum gaps and assembly clearances given below: 250 350 5 5 fig. 3.3 requir...

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    11 installation and maintenance manual ecomax 646 / 0020020158_02 4 installation when installing, please observe the following points in particular: • install the filling loop or other device in the return • ensure that the design of the system incorporates a suitably sized by-pass or low loss heade...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 12 heating system output heating system spread 10 k 15 k 20 k ecomax 646 wh 95 wh 40 wh 40 double cascade wh 160 wh 95 wh 95 triple cascade wh 280 wh 160 wh 160 quadruple cascade wh 280 wh 160 wh 160 table 4.1: selection of the low loss ...

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    13 installation and maintenance manual ecomax 646 / 0020020158_02 4.5 heating connections caution! Ensure a stress-relief assembly of the connect- ing pipes to avoid leakages in the heating system. The appliance is connected to the heating flow and return via isolation valves. An installation set fo...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 14 4 installation balcony/eaves flue extended to clear any overhang flue adequately supported gutter fig. 4.9 4.6.2 flue pipe danger! Only vaillant original 80/125mm concentric flue pipes maybe used when installed in a room sealed applic...

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    15 installation and maintenance manual ecomax 646 / 0020020158_02 refer to ‘bs 6798 specification for installation of gas– fired boilers of rated input not exceeding 70 kw net’ for further information. Before operating the boiler the con- densate trap (1) must be filled with water as described in re...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 16 l n 230v 5 fig. 4.14 example of cable insertion • then insert the connecting cables (5) into the elec- tronics box and cut them to length. • strip the connecting cable by about 2-3 cm and bare the wires. • connect the connecting cable...

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    17 installation and maintenance manual ecomax 646 / 0020020158_02 4.8.4 connection diagram 9 8 7 5 4 3 n l n l pump 2. Pump contact - the r m l n 24v i 230v r t 24 v 230v r t 230 v x 10 x 7 x 2 13 x 6 1 1 1 coding resistance x 8 1 fig. 4.15 connection diagram ecomax 646 installation 4 diagnostics pw...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 18 4.8.5 wiring diagram electronics box fan 230 v connection ignition electrode flow ntc gas fitting water pressure switch return ntc 9 8 7 5 4 3 n l n l pump contact- t he r m 2 4v i 2 3 0v r t 2 4 v 2 3 0v r t 2 3 0 v x 2/4 red x 2/10 ...

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    19 installation and maintenance manual ecomax 646 / 0020020158_02 5 initial start up and commissioning note! Vaillant offer a commissioning service.If used a 2 year warranty is given, if not only a 1 year warranty is available please note the following whilst commissioning the boiler. • remove the c...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 20 caution! After the filling process has finished • close the filling unit and remove the filling hose. • inspect all connections for leakage. 1 fig. 5.1 bleeding the appliance 5.1.3 hot water side filling and bleeding to fill the dhw p...

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    21 installation and maintenance manual ecomax 646 / 0020020158_02 1 2 fig. 5.3 measuring the connection pressure caution! Natural gas: if the connection pressure lies outside the range from 15 to 23 mbar, you must ensure that the recommended pressure loss from the meter to the appliance is not excee...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 22 natural gas: adjust in steps of no more than 1/8 of a turn, and wait for each new value to stabilise (about 1 min.). Lpg: adjust in small steps of no more than 1/16 of a turn, and wait for each new value to stabilise (about 1 min.). •...

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    23 installation and maintenance manual ecomax 646 / 0020020158_02 initial start up and commissioning 5 enabling the dhw function (if connected) • switch on the appliance and the connected hot water cylinder. • make sure that the cylinder thermostat is requesting heat. • press the “i” key. When the c...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 24 6 adapting the appliance to the heating system 6.1 adjusting the central heating output (range rating) the appliances are set in the factory to the thermal load shown in table 6.1. If you want to set a different load, proceed as follo...

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    25 installation and maintenance manual ecomax 646 / 0020020158_02 adapting the appliance to the heating system 6 6.2 setting the pump over-run time the pump over-run time for the heating mode is set to 5 minutes (default). It can be varied within a range from 1 minute to 60 minutes or be in “continu...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 26 7 inspection and maintenance 7.1 initial inspection to ensure the continued safe and efficient operation of the boiler it is recommended that it is checked and serv- iced as necessary at regular intervals. The frequency of servicing w...

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    27 installation and maintenance manual ecomax 646 / 0020020158_02 7.1.3 overview of the inspection and maintenance tasks no. Activity column 1 in- spection must be carried out once a year column 2 main- tenance 1 check the air / gas flue system and ensure it is not blocked, damaged and is fitted cor...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 28 caution! Under no circumstances may the compact thermal module be suspended from the flexible corrugated gas pipe. • pull the entire compact thermal module (4) off the heat exchanger (1). 1 2 3 4 5 6 7 8 9 2 2 fig. 7.1 dismounting/mou...

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    29 installation and maintenance manual ecomax 646 / 0020020158_02 • dismantle the compact thermo module as described under 7.2.1. • clean the heating spiral (1) of the integral condensa- tion heat exchanger (2) using a soft brush (fig. 7.4). Rinse with water. • the condensate receptacle can also be ...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 30 8 troubleshooting 8 troubleshooting 8.1 diagnostics 8.1.1 status codes the status codes, which you get via the dia system‘s display, give you information about the appliance‘s cur- rent operating status. If several operating statuses ...

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    31 installation and maintenance manual ecomax 646 / 0020020158_02 troubleshooting 8 8.1.2 diagnosis codes in the diagnosis mode, you can change certain parame- ters or display more information (see following table). • press the “i” and “+” keys under the display simulta- neously. The display shows “...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 32 8 troubleshooting 8.1.3 error codes the error codes displace all other displays when errors occur. An error that arises is shown in the display as “f...”, e.G. “f.10” (see table on the next page). If several errors occur simultaneousl...

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    33 installation and maintenance manual ecomax 646 / 0020020158_02 troubleshooting 8 8.1.5 test programs special functions can be triggered in the appliances by activating various test programs. These programs are given in detail in the following table 8.4. • the test programs p.0 to p.6 are started ...

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    Installation and maintenance manual ecomax 646 / 0020020158_02 34 9 vaillant service to ensure efficient and reliable operation of your boiler it is recommended that regular servicing is carried out by your service provider. Vaillant applied system sales vaillant ltd., unit d1 lowfields business par...

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    35 installation and maintenance manual ecomax 646 / 0020020158_02 11 technical data ecomax 646 unit heat output range (heating 50/30 °c) 12,9 - 46,4 kw heat output range (heating 80/60 °c) 12,3 - 44,1 kw maximum heat input (net) 45 kw net efficiency at 100% load 98,4 % net efficiency at 30% load 108...

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    Benchmark gas boiler commissioning checklist.

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    0020020158_02gb 06 2007.