Related Manuals for Rotex RKOMBG22AAV1
Summary of Contents for Rotex RKOMBG22AAV1
- Page 1 RKOMBG22AAV1 RKOMBG28AAV1 RKOMBG33AAV1 Installation instructions English ROTEX Heating Systems GmbH...
- Page 2 2P369568-2...
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Page 3: Table Of Contents
The available information has been compiled with the greatest possible care, but ROTEX Heating Systems can not be held liable for any mistakes in the information, or for any consequences thereof. ROTEX Heating Systems cannot be held liable for any damage arising from work carried out by third parties. -
Page 4: Safety Instructions
Bar code with article number and serial number Options SAFETY INSTRUCTIONS The manufacturer Rotex accepts no liability for damage or injury caused by the failure to (strictly) observe the safety instructions, or negligence during the installation of the Rotex RKOMBG*AAV1 wall-mounted gas boiler and any associated accessories. -
Page 5: Unit Description
UNIT DESCRIPTION General The Rotex RKOMBG*AAV1 wall-mounted gas boiler is a closed unit. The unit is intended to provide heat to the water of a CH-installation and the domestic hot water installation. The air supply and the combustion gas outlet of the RKOMBG*AAV1 can be connected to the unit by two separate pipes, or by a concentric connection. - Page 6 (it can be set, see par. 7.2). The tap comfort function has the following settings: On: ( LED on) The tap comfort function of the unit is continuously switched on. • The unit always immediately provides warm water. Rotex Heating Systems GmbH...
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Page 7: Pc Interface
This must be connected in accordance with the electrical diagram (see par. 10.1). Note When the unit is switched off ( on the service display), the unit frost protection will remain active, however a heat request from an (external) frost thermostat will be ignored. Rotex Heating Systems GmbH... -
Page 8: Main Components
Domestic hot water sensor S3 Siphon Flow sensor Heat exchanger Pressure sensor central heating Operating panel and display Connection wire 230 V ~ with earthed plug Ionization / ignition pen Manual air bleed Position of data plate Sight glass Rotex Heating Systems GmbH... -
Page 9: Accessories
Cover plate RKOMBG*AAV1 EKCP1AA Outdoor sensor EKOSK1AA 3-way valve set EK3WV1AA Flue gas adapter Concentric 80x125 EKHY090717 Ø Flue gas adapter Parallel 80 mm EKHY090707 Propane set *KOMBG22AAV1 EKPS075877 Propane set *KOMBG28AAV1 EKPS075867 Propane set *KOMBG33AAV1 EKHY075787 Rotex Heating Systems GmbH... -
Page 10: Installation
G ½” (int) Tap water cold G ½” (ext) Tap water warm G ½” (ext) Condense outlet Ø dn25 (flexible) 517mm RKOMBG22AAV1 577mm RKOMBG28AAV1 637mm RKOMBG33AAV1 590mm RKOMBG22AAV1 650mm RKOMBG28AAV1 710mm RKOMBG33AAV1 Flue gas outlet/air Ø60/100 (concentric) inlet Rotex Heating Systems GmbH... - Page 11 Return CH G ¾” (ext) G ½” (int) Tap water cold G ½” (ext) Tap water warm G ½” (ext) Condense outlet Ø dn25 (flexible) 770mm RKOMBG22AAV1 830mm RKOMBG28AAV1 890mm RKOMBG33AAV1 Flue gas outlet/air Ø60/100 (concentric) inlet Rotex Heating Systems GmbH...
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Page 12: Installation Space
Do this as follows: If you are using the cover plate (A), remove it to the front. • Unscrew both screws (1) behind the display window. • Pull the bottom of the front panel (2) forwards. • Rotex Heating Systems GmbH... -
Page 13: Assembly
Place the filling loop on the connections of the return and cold water nipple • following the connection kit installation instruction The boiler can now be placed on B-pack simultaniously sliding the pipes of • the boiler into the valves in the assembly bracket Rotex Heating Systems GmbH... - Page 14 Beware that in case of a tapping demand, the water can initially have a higher water temperature than requested. In this case, it is recommended to install a thermostatic valve to prevent scalding. This can be done according to the schematics below. Rotex Heating Systems GmbH...
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Page 15: Connecting
Make sure there is a minimal water circulation. See par. 7.3. Connection diagram underfloor heating CH boiler G. Space/clock thermostat CH pump H. Maximum thermostat Thermostatic control valve Spring-operated check valve Electrical valve 230 V ~ Radiators Rotex Heating Systems GmbH... - Page 16 2 may be an OpenTherm thermostat or an on/off thermostat. Connection diagram "external heat source" regulation CH boiler Electrical shut-off valve 230 V ~ Radiators Room thermostat group 1 Room thermostat group 2 Group 1 Group 2 Rotex Heating Systems GmbH...
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Page 17: Connecting Dhw Installation
This pollution could cause a fault during domestic hot water operation. Resistance graph tap circuit unit A. RKOMBG22AAV1 B. RKOMBG28AAV1 C. RKOMBG33AAV1 X. Water pipe pressure (Bar) Y. Flow rate (L/min, tolerance ± 10%) Rotex Heating Systems GmbH... -
Page 18: Connecting Electronically
Temperature regulation Connector X4 Comments Room thermostat on/off 6 - 7 Modulating thermostat with 11 - 12 comfort function in use Outdoor temperature 8 - 9 sensor Frost thermostat 6 - 7 Parallel over room thermostat Rotex Heating Systems GmbH... -
Page 19: Connect Room Thermostat
5 seconds to access • the RF room thermostat menu of the CH boiler. Press the service button 2x. On the display above the button, a • will be shown. Rotex Heating Systems GmbH... -
Page 20: Connecting Gas
.Place a gas sieve in the connection for the unit if the gas may be contaminated. Connect the gas pipe in the gas valve using appropriate seal.. Check the gas carrying parts for leakages at a pressure of up to 50 mbar. The gas pipe should be fitted pressure free. Rotex Heating Systems GmbH... -
Page 21: Flue Gas Output And Air Input
Feedthrough Rotex Other parts Gastec QA or Rotex Feedthrough Rotex Feedthrough at the Prefab chimney Gastec QA, Rotex or third parties Other parts In accordance to applicable national or local legislation All materials Gastec QA or Rotex At the CLV system... -
Page 22: Outlet Systems
From the unit, every pipe has to be slid into the previous one. Mount a non-vertical combustion gas outlet pipe on a slope towards the unit (min. 5mm/m). Fit the assembly brackets in accordance with the assembly instructions of the supplier of the air supply/flue tube system. Rotex Heating Systems GmbH... - Page 23 Rotex all materials Rotex all materials all materials Rotex all materials Rotex Gas exhaust/air intake parts can be bought from a 3rd party. All parts purchased from an external supplier MUST comply with EN14471. NOT allowed Rotex Heating Systems GmbH...
- Page 24 Fit the exhaust rosters onto the input and output pipe. Attach these to the pipes. Fit the double pipe feedthrough whereby the air supply is sloped outwards and the flue gas output is sloped towards the unit. Rotex Heating Systems GmbH...
- Page 25 Slide the combustion gas outlet and possibly also the air supply pipe into the output and input pipe of the double pipe feedthrough. Fit the combustion gas outlet pipe and air supply pipe on a slope towards the unit. Fit the exhaust rosters on both pipes. Rotex Heating Systems GmbH...
- Page 26 Slide the wall feedthrough into the grooves and turn it into such a position that the flue tube pipe ends up in the highest position. Cover the grooves with wall plates. Fit the combi feedthrough to the boiler directly or via an extension pipe. Rotex Heating Systems GmbH...
- Page 27 Fit the exhaust roster onto the combi feedthrough and attach it to the inner pipe. Slide the combi feedthrough (C) from inside to outside through the horizontal roof feedthrough panel, in accordance with the given measurements. Fit the combi feedthrough (C) on a slope towards the unit. Rotex Heating Systems GmbH...
- Page 28 In case of a sloped roof, through the vertical feedthrough panel with scale. In case of a flat roof, through the adhesive panel. In case of a parallel connection, fit the manifold of the combi feedthrough and secure it with a sheet metal screw or pop rivet. Rotex Heating Systems GmbH...
- Page 29 In case of a flat roof or an architectural chimney, fit a standard ventilation feedthrough (Ø80 mm) with rain cap in an associated adhesive roof panel. CAUTION Two outlets must be at least 200 mm apart. Rotex Heating Systems GmbH...
- Page 30 90 m RKOMBG33AAV1 85 m Combustion gas outlet and air supply pipe For assembly, see par. 5.7.5 General assembly. Prefab chimney assembly The outlet can be made on any place on the sloped or flat roof surface. Rotex Heating Systems GmbH...
- Page 31 Fit a roof panel suitable for a double-walled combustion gas outlet Ø80 mm (diameter Ø96 mm) in a flat roof. Slide the double-walled combustion gas outlet from outside to inside through the roof through feed. The outlet should end up at least 500 mm above the roof surface. Rotex Heating Systems GmbH...
- Page 32 On a flat roof, the outlet of the combustion gas outlet must be made in the “free” outlet area. Fit a condense output. Note The communal outlet is certified in combination with the unit. Rotex Heating Systems GmbH...
- Page 33 The minimum diameters of the communal air supply and flue tube system based on the continuation sheet 2001-02 inspection requirements no, 138 of Gastec. RKOMBG22AAV1 AND RKOMBG33AAV1 RKOMBG28AAV1 Number of units Concentric Parallel Concentric Parallel Flue Flue Flue Flue outlet inlet outlet inlet outlet inlet outlet inlet Rotex Heating Systems GmbH...
- Page 34 When using plastic flue tube material, a minimum temperature class of T120 applies. The transfer bend between concentric and vertical flue connection in the shaft must be supported in the manner instructed by Rotex. The assembly instruction of the manufacturer of the flue tube system must always be followed in full.
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Page 35: Commissioning The Unit And The Installation
Check all couplings for leaks. 6.1.3 Gas supply Aerate the gas pipe with the initial pressure measuring nipple (D) on the gas block. Check all couplings for leaks. Check the initial pressure and offset pressure (see par. 7.7). Rotex Heating Systems GmbH... -
Page 36: Commissioning The Unit
This automatic switching on of the pump takes place 24 hours after the last heating request. To change the time, the room thermostat must be turned up for a moment at the requested time. For the hot water provision, the pump will not run. • Rotex Heating Systems GmbH... -
Page 37: Switching Off The Unit
If an (external) frost thermostat has been fitted on the installation and has been connected to the unit, it will not be active if the unit on the operating panel is switched off ( on service display). Rotex Heating Systems GmbH... -
Page 38: Setting And Adjustment
30°C and 90°C (standard setting 80°C). Tap water temperature Press the button until the LED at starts flashing. Use the button to enter the temperature between 40°C and 65°C (standard setting 60°C). Rotex Heating Systems GmbH... -
Page 39: Parameter Settings Via The Service Code
Service code [15] Access to installers settings, the service code must be entered (=15) Installation type 0= combi 1= Solo RKOMBG22AAV1 + boiler 2= Tap (hot water only) 3= Solo CH pump setting 0= pump post-running time active 1= pump continuously active... - Page 40 1 – 10 number of eco days Anti-recycling time during CH operation Minimum switch off time on boiler water temperature Can be set to 0 to 15 minutes Reference value hot water 24 = RKOMBG22AAV1 30 = RKOMBG28AAV1 36 = RKOMBG33AAV1 Rotex Heating Systems GmbH...
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Page 41: Setting Maximum Ch Power
T leaving water in °C Factory setting (Tmax CH = 80°C, Tmin CH = 25°C, Tmin ex = -7°C, Tmax ex = 25°C) Example (Tmax CH = 60°C, Tmin CH = 25°C, Tmin ex = -7°C, Tmax ex = 25°C) Rotex Heating Systems GmbH... -
Page 42: Conversion To Different Type Of Gas
(see drawing ) RKOMBG22AAV1 RKOMBG28AAV1 RKOMBG33AAV1 CAUTION check must be carried out with open cover. If the cover is shut, the CO % may be higher than the values stated in the above table. Rotex Heating Systems GmbH... -
Page 43: Setting Gas/Air Regulation
Natural gas Natural gas G25 Propane G31 Propane G31 minimum power (in Belgium) (30/50 mbar) (37 mbar) Maximum value Minimum value (a) CO value at maximum power registered at setting High. Rotex Heating Systems GmbH... - Page 44 No adjustments may be made to the gas valve without prior permission from your local Rotex distributor. In Belgium, the gas valve may NOT be adjusted and/or the seal may NOT be removed or broken. Contact your distributor.
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Page 45: Malfunctions
• 29, 30 Gas valve controller fault Replace boiler controller. • Only replace faulty parts with the original Rotex parts. Failing to fit or incorrectly fitting the sensors S1 and/or S2 may lead to serious damage. Rotex Heating Systems GmbH... - Page 46 RF room thermostat .Replace the thermostat. Replace the weather-dependent regulation. No Check the electricity supply. Pump is not running. Display shows 80 and 1. Yes Check connector X2 and X4.. Rotex Heating Systems GmbH...
- Page 47 1.5 l/min. Check the thermostatic tap. 8.2.7 DHW is not reaching the correct temperature Possible causes: Solution: Reduce the tap flow. Check the dosing disk (RKOMBG22AAV1 and Tap flow too high. Yes RKOMBG28AAV1). No ...
- Page 48 Reset the pump by switching off the unit by pressing the on/off button for at least 20 seconds (attention: if the pump has been set to continuous, the pump can only Pump stopped. Yes be reset by pulling the plug from the socket). Replace the pump. Rotex Heating Systems GmbH...
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Page 49: Maintenance
Clean the bottom of the heat exchanger. Clean the condense outlet tray with water. Clean the siphon with water. Only clean the bottom of the front plate. CAUTION ntegrated insulation plate and gasket boiler controller contain ceramic fibers Rotex Heating Systems GmbH... - Page 50 15. Assemble the cover and tighten the two screws to the left and the right of the display, and close the display cover. 16. Check the heating and the hot water provision for correct functioning. Rotex Heating Systems GmbH...
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Page 51: Technical Specifications
Time needed from beginning of draining in order to achieve a temperature increase of 40K to the hot water outlet of the device based on the CW-hot water flow. ** Maximum CH power is set at the factory at 60% of the highest value (see par. 7.3 Setting CH power). Rotex Heating Systems GmbH... -
Page 52: Electrical Diagram
Floor heating or group regulation valve. (3=L (brown), 5=switch (black), 6=N (blue)) 3 – 5 - 6 (VC4013 Honeywell 230V~). Three-way valve (3=L (brown), 5=switch (black), 6=N (blue)) (VC4013 Honeywell 3 – 5 - 6 230V~). Connector X5 Computer interface Rotex Heating Systems GmbH... -
Page 53: Ntc Resistances
NTC 12k Ohm T [°C] R [ohm] T [°C] R [ohm] T [°C] R [ohm] 76020 12000 2752 58880 9805 2337 45950 8055 1994 36130 6653 1707 28600 5522 1467 22800 4609 1266 18300 3863 1096 14770 3253 Rotex Heating Systems GmbH... -
Page 54: Warranty Conditions
WARRANTY CONDITIONS The general warranty conditions of ROTEX Heating Systems GmbH apply to this product. The warranty is void if it is determined that the faults, damages, or undue wear are attributable to improper use or inexpert treatment or inexpert repair, setting, installation or... - Page 56 4P374379-1A 885527...
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