Related Manuals for Rotex GW-30 H12/RHOBG12AAV1
Summary of Contents for Rotex GW-30 H12/RHOBG12AAV1
- Page 1 ROTEX Condensing Boiler Installation instructions Wall-mounted Gas Condensing Boiler GW-30 H12 / RHOBG12AAV1 GW-30 H18 / RHOBG18AAV1...
- Page 2 2P369568-2B...
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Page 3: Table Of Contents
All rights reserved. The information provided applies to the product in its standard version. ROTEX Heating Systems GmbH can therefore not be held liable for any damages arising from any specifications of the product which deviate from the standard version. The available information has been compiled with the greatest possible care, but ROTEX Heating Systems GmbH can not be held liable for any mistakes in the information, or for any consequences thereof. - Page 4 Service and technical support for the installer For information 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 type plate on the bottom of the unit.
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Page 5: Safety Instructions
UNIT DESCRIPTION General The Rotex RHOBG*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. - Page 6 You can press the service button during CH operation to read the actual CH supply temperature. If the tap comfort function is switched on (see code ), an OpenTherm heatingrequest of less than 40 degrees will be generated. ROTEX Heating Systems GmbH...
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Page 7: Pc Interface
This must be connected in accordance with the electrical diagram (see par. 10.2). Note When the unit is switched off ( on the service display), the unit frost protection will remain active, however a heating request from an (external) frost thermostat will be ignored. ROTEX Heating Systems GmbH... -
Page 8: Main Components
Sensor S1 (flow) Condensate collector Sensor S2 (return) Siphon Heat exchanger Pressure sensor central heating Operating panel and display Connection wire 230 V ~ with earthed plug Ignition/ionization pin Manual air bleed Position of data plate Inspection glass ROTEX Heating Systems GmbH... -
Page 9: Accessories
Valve kit EKVK4AA Cover plate EKCP1AA Outdoor sensor EKOSK1AA 3-way valve set EK3WV1AA Flue gas adapter Concentric 80x125 EKHY090717 Ø Flue gas adapter Parallel 80 mm EKHY090707 Propane conversion set RHOBG12AAV1 EKPS075917 Propane conversion set RHOBG18AAV1 EKPS075877 ROTEX Heating Systems GmbH... -
Page 10: Installation
Boiler mounted directly to the wall: Unit + mounting bracket Supply CH G ¾” (ext) Return CH G ¾” (ext) G ½” (int) Condense outlet Ø dn25 (flexible) 517mm RHOBG12AAV1 RHOBG18AAV1 590mm RHOBG12AAV1 RHOBG18AAV1 Flue gas outlet/air inlet Ø60/100 (concentric) ROTEX Heating Systems GmbH... - Page 11 Unit connected to B-pack: Unit + B-pack Supply CH G ¾” (ext) Return CH G ¾” (ext) G ½” (int) Condense outlet Ø dn25 (flexible) 770mm RHOBG12AAV1 RHOBG18AAV1 Flue gas outlet/air inlet Ø60/100 (concentric) ROTEX Heating Systems GmbH...
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Page 12: Installation Space
In this case, it is recommended to install a thermostatic valve to prevent scalding. This can be done according to the schematics below. a=boiler, b=DHW from boiler, c= cold water inlet, d=shower, e=thermostatic valve (field supply) ROTEX Heating Systems GmbH... -
Page 13: Assembly
Connect the flexible hose on the expension vessel and the conenction on • the return valve. Make sure the seal rings are placed ! 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 Suspend the converted top edge of the cover plate from the washers underneath the bottom of the unit, and slide the cover plate as far back as possible. Please note: When installing the boiler in combination with a cover plate, the siphon will extend underneath the cover plate. ROTEX Heating Systems GmbH...
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Page 15: Connecting
(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 water circulation must be safeguarded. See par. 7.4. ROTEX Heating Systems GmbH... - Page 16 In case of old installations or domestic hot water circuits which can contain small particles, install a filter in the domestic hot water circuit. This pollution could cause a fault during domestic hot water operation. ROTEX Heating Systems GmbH...
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Page 17: Connecting Electronically
6 - 7 Modulating thermostat with 11 - 12 comfort function in use Outdoor temperature 8 - 9 sensor DHW tank sensor 9 - 10 Remove yellow wire link Frost thermostat 6 - 7 Parallel over room thermostat ROTEX Heating Systems GmbH... -
Page 18: Connect Room Thermostat
RF room thermostat menu of the boiler controller. You will automatically exit the test mode 1 minute after the last test message of the RF room thermostat has been received. ROTEX Heating Systems GmbH... -
Page 19: 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 20: 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 combined flue outlet/air inlet... -
Page 21: 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 22 Rotex all materials all materials Rotex all materials Rotex (1) Gas exhaust/air intake parts can be bought from a 3 party. All parts purchased from an external supplier MUST comply with EN14471. (2) NOT allowed. ROTEX Heating Systems GmbH...
- Page 23 Fit the exhaust rosters onto the input and output pipe. Attach these to the pipes. Fit the double pipe feedthrough ensuring that the air supply is sloped outwards and the flue gas output is sloped towards the unit. ROTEX Heating Systems GmbH...
- Page 24 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 25 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 26 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 27 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 28 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 29 105 m RHOBG18AAV1 105 m Combustion gas outlet and air supply pipe For assembly, see § 5.5.5 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 30 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 31 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 32 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. RHOBG12AAV1 & RHOBG18AAV1 Number of units Concentric Parallel Flue gas Air supply Flue gas Air supply ROTEX Heating Systems GmbH...
- Page 33 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 34: 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 35: 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 36: 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 37: Setting And Adjustment
30°C and 90°C (default value 80°C). Tank temperature Press the button until the LED at starts flashing. Use the button to enter the temperature between 40°C and 65°C (default value 60°C). ROTEX Heating Systems GmbH... -
Page 38: Parameter Settings Via The Service Code
Setting range 0,15 – (value parameter c. ) Activation external power saving switch 0 = external power saving switch activated input Other values : Min. capacity modulating pump. Minimum rpm hot water Settings reach 20 – 50% (propane = 45 - 50) ROTEX Heating Systems GmbH... - Page 39 1 = Summer mode to be activated by button (code in display : Su) 2 = Summer mode to be activated by button (code in display : So) 3 = Summer mode to be activated by button (code in display : Et) ROTEX Heating Systems GmbH...
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Page 40: 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 41: Conversion To Different Type Of Gas
Gas dosing ring Natural gas H Propane P RHOBG12AAV1 RHOBG18AAV1 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 42: Setting Gas/Air Regulation
Natural gas Natural gas G25 Propane G31 Propane G31 minimum power (30/50 mbar) (37 mbar) Maximum value Minimum value (a) CO value at maximum power registered at setting High. ROTEX Heating Systems GmbH... - Page 43 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 44: 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 45: Other Faults
Insert a screwdriver into the slot of the pump shaft and turn the shaft. Replace faulty pump. No Replace the faulty controller. Check the wiring in accordance with the diagram. No electrical supply (24 V). Yes Check the connector X4. Replace the faulty controller. ROTEX Heating Systems GmbH... - Page 46 CH installation stays warm unwanted Possible causes: Solution/cause: Check the wiring. Room thermostat/weather dependent regulation Check OpenTherm and On/off connection of the unit. Yes faulty or short circuited. Replace the thermostat. Replace the weather-dependent regulation. ROTEX Heating Systems GmbH...
- Page 47 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 48: 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 The integrated insulation plate and boiler controller gasket contain ceramic fibers. ROTEX Heating Systems GmbH... - Page 49 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 50: Technical Specifications
R [ohm] T [°C] R [ohm] T [°C] R [ohm] T [°C] R [ohm] 76020 18300 5522 1994 58880 14770 4609 1717 45950 12000 3863 1467 36130 9805 3253 1266 28600 8055 2752 1096 22800 6653 2337 ROTEX Heating Systems GmbH... -
Page 51: Electrical Diagram
Mains supply 230 V (2 = L (brown), 4 = N (blue)) 230V CH pump (8 = L (brown), 7 = N (blue)) Three-way valve for external tank (3 = L (brown), 5 = Switch (black), 6 = N (blue)) 3-5-6 (e.g. EK3WV1AA) Connector X5 Computer interface ROTEX Heating Systems GmbH... -
Page 52: Warranty Conditions
WARRANTY CONDITIONS Environment If the unit is due for replacement, it can usually be taken The general warranty conditions of Rotex Heating Systems back by your dealer, following consultation. Should this not GmbH apply to this product. be possible, consult your council for the possibilities for... - Page 53 ROTEX producten Dystrybutorem produktów marki Produkty ROTEX distribuuje: verdeeld in België door: ROTEX w Polsce jest firma: Daikin Airconditioning Daikin Airconditioning Poland Sp. z o.o. Central Europe - Czech Daikin Belux - Wavre ul. Taśmowa 7 Republic spol. s r.o.
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