Rotex RKOMBG22AAV1 Installation Instructions Manual Download Page 1

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ROTEX Heating Systems GmbH

RKOMBG22AAV1

RKOMBG28AAV1

RKOMBG33AAV1

Installation instructions

English

Summary of Contents for RKOMBG22AAV1

Page 1: ...ROTEX Heating Systems GmbH RKOMBG22AAV1 RKOMBG28AAV1 RKOMBG33AAV1 Installation instructions English...

Page 2: ...o com o previsto em 09 10 under iagttagelse af bestemmelserne i 11 enligt villkoren i 12 gitt i henhold til bestemmelsene i 13 noudattaen m r yksi 14 za dodr en ustanoven p edpisu 15 prema odredbama 1...

Page 3: ...vice code 39 7 3 Setting maximum CH power 41 7 4 Set pump capacity 41 7 5 Weather dependent regulation 41 7 6 Conversion to different type of gas 42 7 7 Gas air regulation 42 7 8 Setting gas air regul...

Page 4: ...ormation about specific settings installation maintenance and repair work as an installer please contact your local Rotex dealer Identification of the product You will find the unit details on the typ...

Page 5: ...nt of the heating or the warm water supply opens the gas valve ignites the boiler controller and continuously monitors and regulates the flame depending on the requested power The pump is only operate...

Page 6: ...iler controller For the last two situations the temperature set on the display is the maximum During CH operation the requested CH supply temperature will be displayed on the operating panel The CH su...

Page 7: ...with a set fan rotations per minute without the control functions intervening The safety functions do remain active The test program is ended by pressing and simultaneously Test programs Description...

Page 8: ...cl operating panel N Connection block terminal strip X4 D Sensor S1 flow O Condensate drain pan E Sensor S2 return P Domestic hot water sensor S3 F Fan Q Siphon G Flow sensor R Heat exchanger H Pressu...

Page 9: ...AA B pack large EKFJL AA Valve kit EKVK4AA Cover plate RKOMBG AAV1 EKCP1AA Outdoor sensor EKOSK1AA 3 way valve set EK3WV1AA Flue gas adapter Concentric 80x125 EKHY090717 Flue gas adapter Parallel 80 m...

Page 10: ...wall Connections A Supply CH G ext B Return CH G ext C Gas G int D Tap water cold G ext E Tap water warm G ext F Condense outlet dn25 flexible h 517mm RKOMBG22AAV1 577mm RKOMBG28AAV1 637mm RKOMBG33AAV...

Page 11: ...pack Connections A Supply CH G ext B Return CH G ext C Gas G int D Tap water cold G ext E Tap water warm G ext F Condense outlet dn25 flexible H 770mm RKOMBG22AAV1 830mm RKOMBG28AAV1 890mm RKOMBG33AA...

Page 12: ...be installed in a space where work is carried out with aggressive or corrosive gases such as hairspray 4 2 1 Installing in kitchen cabinet The unit can be placed between two kitchen cabinets or inside...

Page 13: ...struction The boiler can now be placed on the suspension strip simultaniously sliding the pipes of the boiler into the valves in the assembly bracket 4 3 2 Assembling B pack Make sure the construction...

Page 14: ...water and slide it as far as possible on top of the condense output connector E under the unit 11 Seal flexible tube D of the siphon if possible together with the overflow pipe of the inlet combinatio...

Page 15: ...ing tap water operation a non spring operated return valve must be assembled vertically 5 1 1 Thermostatic radiator taps If all radiators are fitted with thermostatic or cable radiator taps a minimum...

Page 16: ...7 3 5 1 3 Dividing CH installation in groups in case of additional heat sources Operating principle If the room thermostat switches off the boiler because another heat source the other rooms may cool...

Page 17: ...cted or filled If the unit is switched off during winter and is disconnected from the electricity supply the sanitary water must be drained in order to prevent freezing To do so disconnect the tap wat...

Page 18: ...the electrical circuit 2 If there is a cover plate A remove it to the front 3 Unscrew both screws 1 behind the display window 4 Slide the bottom of the front panel 2 forwards and remove it 5 Pull the...

Page 19: ...the button shows an L alternated by a red led flashing The CH boiler has not been appointed A unit in this operating status can be linked by using the method of the appropriate room thermostat The met...

Page 20: ...th an outdoor sensor Upon request of the room thermostat the boiler will provide heat until the maximum set temperature in the boiler has been reached This maximum set temperature is automatically reg...

Page 21: ...ion for a flue gas extractor system with a 80 125 diameter 1 Carefully follow the instruction as provided with the adapter set 80 125 2 Fit the concentric pipe for the air supply and burning gas extra...

Page 22: ...m 11 m RKOMBG28AAV1 10 m 10 m RKOMBG33AAV1 10 m 10 m Permitted pipe lengths when applying concentric 80 125 C13 C33 C93 RKOMBG22AAV1 29 m 29 m See par 5 7 13 RKOMBG28AAV1 29 m 29 m See par 5 7 13 RKO...

Page 23: ...e and the wall temperature at the end of the combustible gas outlet pipe Replacement lengths Bend 90 R D 1 2 m Bend 45 R D 1 1 m Knee 90 R D 0 5 4 m Knee 45 R D 0 5 2 m Calculation example Pipe Pipe l...

Page 24: ...lue tube system 5 7 6 Horizontal facade outlet double pipe feedthrough Unit category C13 CAUTION Pipes for the connection of the air supply and the combustion gas outlet between the unit and the doubl...

Page 25: ...output is not on the edge of a building the air supply pipe does not need to be extended 1 Extend the combustion gas outlet pipe and possibly also the air supply pipe of the double pipe feedthrough w...

Page 26: ...excluding the length of the combi feedthrough For concentric total pipe length excluding the length of the combi feedthrough Parallel Concentric 60 100 Concentric 80 125 RKOMBG22AAV1 100 m 10 m 29 m...

Page 27: ...provided 3 Fit the exhaust roster and attach it to the inner pipe 4 Fit the combi feedthrough and combi extension pipe on a slope towards the unit Assembly horizontal roof terminal 1 The outlet can be...

Page 28: ...25 RKOMBG22AAV1 100 m 11 m 29 m RKOMBG28AAV1 85 m 10 m 29 m RKOMBG33AAV1 80 m 10 m 29 m Combustion gas outlet and air supply pipe For assembly see par 5 7 5 General assembly Assembly vertical roofterm...

Page 29: ...as outlet 80 mm with Giveg exhaust hood onto a sloped roof at the location of the outlet 2 Fit a standard ventilation feedthrough 80 mm with rain cap in an associated roof feed though panel for the ai...

Page 30: ...roper functioning of the prefab chimney in terms of wind damage ice forming raining in recirculation etc CAUTION The connection of the air supply and the combustible gas outlet between the unit and th...

Page 31: ...outlet and air supply pipe For assembly see par 5 7 5 General assembly Horizontal air supply assembly The air supply A can be fitted at any place in the facade 1 At the location of the air supply crea...

Page 32: ...ogether RKOMBG22AAV1 100 m RKOMBG28AAV1 85 m RKOMBG33AAV1 80 m The minimum diameters of the communal output system based on vacuum Flue tube diameter RKOMBG AAV1 Number of units 22 28 33 2 110 130 130...

Page 33: ...let Flue outlet Air inlet Flue outlet Air inlet 2 135 253 135 214 155 291 155 246 3 157 295 157 249 166 311 166 263 4 166 311 166 263 176 330 176 279 5 175 328 175 278 186 349 186 295 6 184 345 184 29...

Page 34: ...rigid or flexible with a maximum length of 25 meters When using plastic flue tube material a minimum temperature class of T120 applies The transfer bend between concentric and vertical flue connection...

Page 35: ...it instead of the manual aerator 4 Aerate the installation with the manual aerators on the radiators 5 Top up the CH installation if the pressure has dipped too low due to the aeration 6 Check all cou...

Page 36: ...nstallation 5 Check whether the set maximum CH power matches the requested value If necessary the maximum CH power can be adjusted see par 7 2 parameter c and 3 and par 7 3 6 Check whether the set min...

Page 37: ...dense outlet from freezing the unit must be installed in a frost free room The unit is fitted with frost protection in order to prevent it from freezing If the temperature of the heat exchanger drops...

Page 38: ...ch means the supply of domestic hot water takes a bit of time If there is no desire for domestic hot water or of immediate supply hereof the tap comfort function can be switched off Resetting Check th...

Page 39: ...eased from 60 to 70 RKOMBG AAV1 Paramet er Description 22 28 33 Settings reach 0 Service code 15 Access to installers settings the service code must be entered 15 1 Installation type 0 0 0 0 combi 1 S...

Page 40: ...request with maximum leaving water temperature on off function F Start rpm CH 70 60 50 Settings reach 50 to 99 of the set maximum rpm F Minimum start rpm hot water 70 60 50 Settings reach 50 to 99 of...

Page 41: ...3 and c Also see par 7 2 The set value of parameter 3 max pump setting is the percentage of the maximum pump capacity and is linked to the set maximum CH power as set with parameter 3 The set value of...

Page 42: ...ee par 7 7 12 Put a sticker of the configured gas type on top of the existing sticker at the gas block 13 Put a sticker of the configured gas type at the type plate 14 Return the front panel onto the...

Page 43: ...he High setting by twice pressing the and buttons simultaneously A capital letter H will appear on the service display The user display will show a Busy symbol Do NOT carry out a test when a small let...

Page 44: ...r broken Contact your distributor 1 Remove the cap A which covers the adjuster screw 2 Turn the screw B to the right to increase the CO2 percentage and to the left to decrease it See the following tab...

Page 45: ...llation Pump is not running Reset or replace the pump see par 8 2 10 2 Switch S1 and S2 Check cable harness Replace S1 or S2 4 No flame signal Main gas valve not opened Gas supply pressure too low or...

Page 46: ...on gas outlet and the air supply system No Gas air regulation not configured correctly Yes Check the setting see Gas air regulation par 7 7 and par 7 8 No Boiler controller gasket faulty Yes Replace t...

Page 47: ...he CH boiler installation Yes Rinse the CH boiler installation on the side of the CH 8 2 6 No domestic hot water Possible causes Solution The service display shows nothing Yes Check whether the plug i...

Page 48: ...omfort The service display regularly shows code 7 Yes Unwanted circulation in the CH circuit due to thermosiphon effect or second pump in the CH circuit Install a check valve in case of thermosiphon e...

Page 49: ...phon 4 on the left and turn it to the right with the siphon connection over the edge of the bottom tray 5 Push down the condense outlet tray at the back from the connection to the heat exchanger 6 and...

Page 50: ...ttom tray Then turn the condense outlet tray to the left 2 and push it down into the siphon connection 3 Make sure that the rear of the condense outlet tray ends up resting on the cam at the back of t...

Page 51: ...e kW 6 1 25 9 8 0 32 3 8 3 36 3 Nom load lower value kW 5 6 23 3 7 1 29 1 7 6 32 7 Nom output kW 5 9 22 7 7 7 28 4 8 2 32 1 Max CH water pressure bar 3 Max CH water temperature C 90 Other data Gas con...

Page 52: ...X4 24V 5 CH pump 5 PWM signal red E earth 6 7 On off room thermostat and or frost thermostat 24Vdc or 125mA 8 9 Outdoor sensor 12 k Ohm 25 C 9 10 Tank sensor or tank thermostat if through connection 9...

Page 53: ...ances NTC 12k Ohm T C R ohm T C R ohm T C R ohm 15 76020 25 12000 65 2752 10 58880 30 9805 70 2337 5 45950 35 8055 75 1994 0 36130 40 6653 80 1707 5 28600 45 5522 85 1467 10 22800 50 4609 90 1266 15 1...

Page 54: ...o warranty becomes void if it cannot be proven that the CH boiler has been subjected to maintenance by a certified installer at least once a year from the commissioning date The instructions for insta...

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Page 56: ...885527 4P374379 1A...

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