Daikin ROTEX GW-20 H18 Page 9 Installation Instructions Manual Download

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ROTEX Heating Systems GmbH

3.1

Accessories

Description

Article numbers

B-pack small

EKFJS*AA

B-pack middle

EKFJM*AA

B-pack large

EKFJL*AA

Valve kit

EKVK4AA

Cover plate

EKCP1AA

Outdoor sensor

EKOSK1AA

3-way valve set

EK3WV1AA

Flue gas adapter Concentric

80x125

EKHY090717

Flue gas adapter Parallel 80 mm

EKHY090707

Propane conversion set RHOB12AAV1H

EKPS075917

Propane conversion set RHOB18AAV1H

EKPS075867

Propane conversion set RHOB42AAV1H

EKHY075787

Summary of Contents for ROTEX GW-20 H18

Page 1: ...ROTEX CondensingBoiler Installation instructions Wall mounted Gas Condensing Boiler GW 20 H12 RHOB12AAV1H GW 20 H18 RHOB18AAV1H GW 20 H42 RHOB42AAV1H...

Page 2: ...escrizioni per 07 08 de acordo 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...

Page 3: ...g 40 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 regulation 43 8 Malfunctions 45 8 1 Show last malfunction 45 8 2 Malfu...

Page 4: ...DHW installation Symbols The following symbols are used in this manual CAUTION Procedures which if they are not carried out with the necessary care may cause damage to the product the surroundings th...

Page 5: ...rking electrical protection class IP44 The unit is delivered for natural gas G20 as a standard On request the unit can also be provided for propane G31 2 2 Functioning The Rotex RHOB AAV1H wall mounte...

Page 6: ...r does not ignite a new attempt will be made after approximately 15 seconds If after 4 ignition attempts the boiler controller has still not been ignited the controller will go into down time 5 CH ope...

Page 7: ...o bring the unit into a test status Activating a test program will switch on the unit with a set fan rotations per minute without the control functions intervening The safety functions do remain activ...

Page 8: ...Burner controller incl operating panel M Connection block terminal strip X4 D Sensor S1 flow N Condensate collector E Sensor S2 return O Siphon F Fan P Heat exchanger G Pressure sensor central heating...

Page 9: ...rge EKFJL AA Valve kit EKVK4AA Cover plate EKCP1AA Outdoor sensor EKOSK1AA 3 way valve set EK3WV1AA Flue gas adapter Concentric 80x125 EKHY090717 Flue gas adapter Parallel 80 mm EKHY090707 Propane con...

Page 10: ...with pipes connected downwards Unit mounting bracket A Supply CH G ext B Return CH G ext C Gas G int D Condense outlet dn25 flexible h 517mm RHOB12AAV1H RHOB18AAV1H 637mm RHOB42AAV1H H 590mm RHOB12AA...

Page 11: ...GmbH 11 Unit connected to B pack Unit B pack A Supply CH G ext B Return CH G ext C Gas G int D Condense outlet dn25 flexible H 770mm RHOB12AAV1H RHOB18AAV1H 890mm RHOB42AAV1H Z Flue gas outlet air in...

Page 12: ...t least 50 cm2 are required 4 2 2 Removing cover plate and front panel For various activities on the unit the cover plate and front panel have to be removed from the unit if they were installed Do thi...

Page 13: ...materials 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: ...he front panel 9 Assemble the flexible tube D onto the outlet of the siphon Fill the siphon with water and slide it as far as possible on top of the condense output connector E under the unit IMPORTAN...

Page 15: ...p at the lowest point of the installation An overflow valve B of 3 bar in the input pipe at a distance of no more than 500 mm from the unit Between the unit and the overflow valve there may be no valv...

Page 16: ...be an OpenTherm thermostat or an on off thermostat Connection diagram external heat source regulation A Boiler B Electrical shut off valve 230 V C Radiators T1 Room thermostat zone 1 T2 Room thermosta...

Page 17: ...uit 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 boiler controller f...

Page 18: ...et to the RF room thermostat menu One of the following codes will be shown on the display of the unit 1 rF and L the display above the button shows an L alternated by a red led flashing The CH boiler...

Page 19: ...re sensor should be used in combination with an on off room thermostat In principle any on off room thermostat can be combined with an outdoor sensor Upon request of the room thermostat the boiler wil...

Page 20: ...arallel connection can be ordered under EKHY090717 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 extraction in...

Page 21: ...s Permitted pipe lengths when applying concentric 60 100 C13 C33 RHOB12AAV1H 10 m 11 m RHOB18AAV1H 10 m 11 m RHOB42AAV1H 10 m 10 m Permitted pipe lengths when applying concentric 80 125 C13 C33 C93 RH...

Page 22: ...d 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 lengt...

Page 23: ...tube system 5 6 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 double p...

Page 24: ...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 25: ...r 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 RHOB12AAV1H 100 m 10 m 29 m...

Page 26: ...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 27: ...80 125 RHOB12AAV1H 100 m 10 m 29 m RHOB18AAV1H 85 m 10 m 29 m RHOB42AAV1H 60 m 10 m 29 m Combustion gas outlet and air supply pipe For assembly see par 5 5 5 General assembly Assembly vertical roofter...

Page 28: ...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 29: ...proper 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 t...

Page 30: ...utlet and air supply pipe For assembly see par 5 5 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 creat...

Page 31: ...her RHOB18AAV1H 100 m The minimum diameters of the communal output system based on vacuum Flue tube diameter Number of units RHOB18AAV1H 2 130 3 150 4 180 5 200 6 220 7 230 8 250 9 270 10 280 11 290 1...

Page 32: ...Concentric Parallel Flue outlet Air inlet Flue outlet Air inlet 2 135 253 135 214 3 157 295 157 249 4 166 311 166 263 5 175 328 175 278 6 184 345 184 292 7 193 362 193 306 8 201 376 201 318 9 210 393...

Page 33: ...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 34: ...l 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 couplings for leaks 7 Chec...

Page 35: ...ence between the input and return of the unit and the radiators This should be approximately 20 C Set the maximum power on the service panel for this purpose see par 7 3 If necessary set the pump sett...

Page 36: ...condense 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 dro...

Page 37: ...off The boiler will not be heated Resetting Check the nature of the malfunction on the basis of the malfunction codes under par 8 1 and if possible resolve the cause of the malfunction before resetti...

Page 38: ...service code must be entered 15 1 Installation type 0 0 0 0 combi 1 heating and domestic hot water via external storage tank 2 domestic hot water only 3 heating only 2 CH pump continuous 0 0 0 0 Post...

Page 39: ...propane 50 h Max rpm fan 100 rpm 45 46 46 Settings reach 40 50 RHOB12AAV1H RHOB18AAV1H and RHOB42AAV1H This parameter can be used to set the maximum rpm n Regulated temperature during boiler operatio...

Page 40: ...on The power is slowly increased when the fire is lit and is lowered when the set leaving water temperature is reached modulation on Ta 7 4 Setting pump setting The RKOMBG AAV1 CH boilers are fitted w...

Page 41: ...connecting an outdoor sensor the leaving water temperature is automatically regulated dependent on the outdoor temperature in accordance with the set fuel line The maximum leaving water temperature T...

Page 42: ...on 11 Now check the setting of the gas air ratio see par 0 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 th...

Page 43: ...d create a request for space heating 6 Select the 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...

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: ...not running Insert a screwdriver into the slot of the pump shaft and turn the shaft Check the wiring between the pump and the boiler controller Too little flow in installation closed radiators pump s...

Page 46: ...as air regulation not configured correctly Yes Check the setting see gas air regulation No Boiler controller gasket faulty Yes Replace the boiler controller gasket No Boiler controller faulty Yes Repl...

Page 47: ...ontamination in the exchanger installation Yes Rinse the exchanger installation on the side of the CH 8 3 6 No hot water only applicable in indirectly fired tank Possible causes Solution The service d...

Page 48: ...Pump temperature is too high Yes Check the water and ambient temperature 8 3 10 A label pump LED flashes red Possible causes Solution Pump stopped Yes Reset the pump by switching off the unit by pres...

Page 49: ...onnection 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 remove it from the unit 9 Take the connector from the fan an...

Page 50: ...onto the gas block 7 Fit the condense outlet tray by sliding it into the outlet stump of the switcher 1 with the siphon connection before the bottom tray Then turn the condense outlet tray to the left...

Page 51: ...G20 m3 h 0 36 1 22 0 55 1 94 0 81 4 41 Gas consumption G31 m3 h 0 14 0 47 0 21 0 74 0 31 1 68 Pressure loss of the unit CH mH2O See par 7 4 Electrical data Mains voltage V 230 230 230 Safety class IP...

Page 52: ...ater pressure sensor E Earth connections M Mains electricity supply S2 Return sensor V Fan Connector X4 24V 6 7 On off room thermostat 0 1A 24Vdc and or frost thermostat 8 9 Outdoor sensor 12 kOhm 25...

Page 53: ...electricity supply S2 Return sensor Connector X4 24V 6 7 On off room thermostat 0 1A 24Vdc and or frost thermostat 8 9 Outdoor sensor 12 kOhm 25 C 9 10 Tank sensor remove through connection 11 12 Open...

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...

Page 55: ...szawa Fon 48 22 319 90 00 Fax 48 22 433 51 98 www rotex com pl DAIKIN AC SPAIN S A C Labastida 2 28034 Madrid Tel 902 44 00 44 y 91 387 32 23 Correo electr nico sat daikin es www daikin es Produkty RO...

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