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AGUADENS

COSMOGAS

8 - MAINTENANCE
8.1 - Care and maintenance

This section must be brought to the attention of the user by the

installer so that the user can make the necessary arrangements

with a qualified service agency for the periodic care and

maintenance of the heater.

The installer must also inform the user that the lack of proper care

and maintenance of this heater and any fuel burning equipment

may result in an hazardous condition.

Installer should discuss contents of section 7 (User’s section)

with the user.

A trained and qualified service technician should perform the

inspection listed in these instructions (see figure 8-1) each year.

CAUTION !!! Appliance maintenance must only

be performed by a professionally qualified technician.

CAUTION !!! Before every maintenance

operation, disconnect the appliance from the electric

power supply, using the relevant switch in the vicinity.

CAUTION !!! Close the manual gas valve before

any maintenance operation

Service and maintenance schedules

Service Technician

Annual Startup:

- Address reported problems (Follow section 8.1.2);

- Check all piping for gas leaks (Follow section 8.1.3)

- Verify flue and air lines in good condition and sealed tight (Follow

section 8.1.4);

- Check water pressure/system piping (Follow section 8.1.5);

- Check control settings (Follow section 8.1.6);

- Check wiring and connections (Follow section 8.1.7);

- Check flame signal (Follow section 8.6);

- Inspect combustion chamber. Clean and vacuum if ther’is presence of

debris and/or products of the combustion (Follow section 8.4).

- Inspect thermal insulations inside the combustion chamber and replace

them if they are cracked or damaged (Follow section 8.3.1)

- Clean condensate siphon and fill with fresh water (Follow section 8.5).

- Check the capacity input (Follow section 6.10).

Figure 8-1 - Service and Maintenance Schedules

8.1.1 - Service recall

In order to maintain maintenance frequency, the parameter

2080

is present in the installer menu (see section 7.8),

which is used to activate the maintenance call (Service)
along with parameter

2081

which is used to set the

operating days which must pass between one intervention

and the next. The control system identifies the operating

days, verifying the burner activity time.

Proceed as follows to activate the call service:

1.- access the Installer menu (see section 7.8)and set

parameter

2080

;

2.- access parameter

2081

and set the appliance

operating days which must pass between one call and

the next.

The call will be completed with

SEr

on the display. To

remove the indication

SEr

and renew the call period,

operate as follows:

1.- access the “Installer menu”;
2.- access the parameter

2080

, set it on

rESE

and

press the RESET key.

3.- exit the Installer menu by pressing the RESET key for 5

seconds.

The call time is now renewed and

SEr

appears on the

display.

8.1.2 - Address reported problems

Inspect any problems reported by the owner and correct before

proceeding.

8.1.3 - Check all piping for gas leaks

1. Inspect all gas piping and verify to be leak free.

2. Check for gas leaks: using soap solution, check for gas

leaks from meter to appliance including all pipes and fittings

and heater connection. Use liquid soap solution for all gas

testing.

CAUTION !!! Do not check for gas leaks with an

open flame. Use the bubble test. Ignoring the bubble

test or check for gas leaks with an open flame can cause

explosion, severe personal injury, death, or substantial

property damage.

8.1.4 - Verify flue and air lines in good

condition and sealed tight;

1. Check for obstruction, condensation, corrosion and physical

damage, water stains, any signs of rust, other corrosions or

separation of the vent and air intake piping.

2. Check outside terminations. Screens and louvers should be

free of any debris and must be cleaned as required.

8.1.5 - Check system water pressure/

system piping/expansion tank;

1. Check water piping and accessories for leaks. Slightest

leaks should be corrected.

2. Check the system to be full of water and pressure to remain

stable at correct setting on gauge.

CAUTION !!! Eliminate all system or heater leaks.

Continual fresh makeup water will reduce heater life.

Minerals can build up in sections, reducing heat transfer,

overheating heat exchanger, and causing heat exchanger

failure. Leaking water may also cause severe property

damage.

8.1.6 - Check control settings

1. Set heaters setpoint low enough to end call for heat (see

section 7.4. Gas valve should close and burner should stop

firing. Fan will go into a post purge, then shuts off.

2. Control Safety Shutdown test: with the burner firing, close the

manual gas shut off valve (detail “2” Figure 5-10). Gas valve

should close and burner should stop firing. The boiler will

try for ignition three times, then should lock out with a “Loc

1” error shown on the display. Open the manual gas shut-

off valve, and verify your gas meter.

Gas flow must be zero

Содержание AGUADENS Series

Страница 1: ...62403690 R00 03 10 2016_HU INSTALLATION OPERATING AND MAINTENANCE MANUAL AGUADENS WALL MOUNTED GAS CONDENSING WATER HEATERS ...

Страница 2: ... C53 C83 AGUADENS 37 28 5 14 4 Split 80 80PP System Type C43 C53 C83 accessories available 29 5 14 5 Split 80 80PP System Type C43 C53 C83 installation examples 30 5 14 6 60 100PP vertical coaxial System polypropylene C13 C33 Type 31 5 14 7 60 100PP horizontal coaxial System polypropylene C13 C33 Type 32 5 14 8 60 100PP Coaxial System accessories available 33 5 14 9 60 100PP Coaxial System install...

Страница 3: ...4 8 2 Casing removal 54 8 3 Burner and fan removal 55 8 3 1 Thermal insulations 55 8 4 Gas burner and heat exchanger outer surface cleaning procedure 55 8 5 Condensate siphon cleaning procedure 57 8 6 Ignition and flame isonising electrode position 58 8 7 Circulation pump replacement procedure 58 8 8 Domestic water flow meter replacement procedure 59 8 9 Safety valve replacement procedure 59 8 10 ...

Страница 4: ...f the appliance by a person responsible for their safety This manual is an integral and essential part of the product and must be kept carefully by the user for possible future consultation If the appliance must be transferred or if you should move and leave the unit to another user always ensure that this manual remains with the new user and or installer Any accessories or kits which might be add...

Страница 5: ...net 2nd and 3rd family gases BS 6891 2005 A2 2008 Installation of low pressure gas pipework of up to 35 mm R1 1 4 in domestic premises 2nd family gas specification BS 5482 1 2005 Code of practice for domestic butane and propane gas burning installations Installations at permanent dwellings residential park homes and commercial premises with installation pipework sizes not exceeding DN 25 for steel...

Страница 6: ...oudly designed produced tested and assembled within the COSMOGAS establishment thus guaranteeing the best quality control AGUADENS XX 16 Water heater with maximum heat input of 25 5 kW 22 Water heater with maximum heat input of 32 0 kW 37 Water heater with maximum heat input of 57 8 kW Condensing indoor pre mixed ecological gas water heater 2 2 Model overview ...

Страница 7: ... Failure to comply with these recommendations can jeopardise the good working order of the appliance or cause serious damage to persons animals or objects Important indication symbol 2 5 Maintenance It is recommended to perform regular yearly maintenance of the appliance for the following reasons to maintain a high yield and manage the domestic hot water plant economically with low fuel consumptio...

Страница 8: ...ir and exhaust flue connection 20 Combustion analysis points 21 Exhaust flue temperature sensor 1006 22 Spark generator 23 Ignition cables 24 Combustion gases non return valve 25 Air inlet manifold 26 Gas valve 27 Front casing 28 Safety valve 29 Display 30 Control board 31 Gas valve adjustment service access hatch 3 MAIN COMPONENTS Figure 3 1 Water heater internal components 7 6 46 45 25 16 26 8 2...

Страница 9: ...ipe connected to siphon 38 Burner 39 Air gas mixing unit 40 Condensate drain siphon 41 Safety valve drain pipe 42 43 Condensate collection tank 44 45 Flue gas temperature protection fuse 46 Temperature sensor D H W 1002 3 MAIN COMPONENTS Figure 3 2 Water heater internal components 33 35 38 37 40 39 43 41 36 33 35 38 37 40 39 43 41 36 020003 01 058 ...

Страница 10: ...19 Combustion air and exhaust flue connection 20 21 Exhaust flue temperature sensor 1006 22 Spark generator 23 Ignition cables 24 Combustion gases non return valve 25 Air inlet manifold 26 Gas valve 27 Front casing 28 Safety valve 29 Display 30 Control board 31 Gas valve adjustment service access hatch 3 MAIN COMPONENTS Figure 3 3 Water heater internal components 6 16 19 16 26 25 8 45 24 3 15 2 22...

Страница 11: ...hon 38 Burner 39 Air gas mixing unit 40 Condensate drain siphon 41 Safety valve drain pipe 42 43 Condensate collection tank 44 45 High limit flue gas temperature fuse 46 D H W temperature sensor 1002 47 Air purge valve 3 MAIN COMPONENTS Figure 3 4 Water heater internal components 41 28 33 40 41 37 43 7 38 47 35 39 36 41 28 33 40 41 37 43 7 38 47 35 39 36 020008 01 020 ...

Страница 12: ...1001 9 Heat exchanger outlet temperature sensor 2 Par 1005 10 Burner 11 Heat exchanger 12 Fan 13 Cold water temperature sensor Par 1007 14 Condensate collection siphon 15 Air gas mixer 16 Gas valve 17 Safety valve 18 19 Pump 20 Non return valve 21 Water flow meter 22 23 Cap 25 Manual gas valve optional 26 Gas inlet 27 Cold water inlet 28 Safety valve condensate drain funnel 29 Hot water outlet 30 ...

Страница 13: ... heater Before installation of the domestic cold and hot water services should be flushed thoroughly in order to remove any residues or impurities which could compromise the good working order of the appliance This appliance is not suitable for installation outdoors It must not be exposed to temperature below zero or temperature above 50 C Select a suitable sheltered location for the appliance Thi...

Страница 14: ... while in figure 4 9 you can see one example of wrong installation Figure 4 3 Example of basic installation Figure 4 5 Example of installation with storage tank see section 5 13 Figure 4 4 Example of installation with secondary return performed by an external pump see section 5 12 Figure 4 6 Example of installation with storage tank see section 5 13 ...

Страница 15: ... Figure 4 7 Example of installation with solar panel and storage tank see section 5 13 Figure 4 8 Example of installation with solar panel maximum inlet temperature to the water heater is 85 C Figure 4 9 Example of wrong installation ...

Страница 16: ...e 3 mark the holes for the plugs and hydraulic fittings on the wall 4 remove the paper template 5 make the holes A and introduce the wall plugs B 6 hang the appliance on the plugs C 7 make the appliance hydraulic and gas connections 8 make the hydraulic fittings 5 5 Domestic hot and cold water CAUTION water quality must be within 6 5 pH 8 5 acidity value CAUTION If water hardness exceeds 20 f 200 ...

Страница 17: ...rrespond to the adjustment of the appliance In this case the appliance must be converted to the type of gas and supply pressure corresponding to those of the supply available The appliance is provided with the relevant gas conversion kit Before the gas pipes are purged it is essential to ensure that the internal surfaces are clean and free of metal or plastic filings or any other solid pieces or l...

Страница 18: ...mestic waste drain a condensate neutraliser is good practice see section 9 for the value of acidity of the condensate and the quantities be connected to a plastic not copper drain pipe with a minimum internal pipe diameter equal to or greater than 13 mm be installed in a way to prevent the liquid from freezing therefore pay attention to any external passings It is prohibited to drain into gutters ...

Страница 19: ...If the appliance is installed in a geographical area where domestic water has hardness exceeding 20 F 200 mg l a polyphosphates softener must be installed on the cold water supply in order to safeguard the appliance from any lime scale deposits Figure 5 7 Water and gas connections AGUADENS 16 and 22 E F B C D G E F B C D G 020003 01 056 Figure 5 9 F condensing drain pipe G siphon funnel on request...

Страница 20: ...itch must be envisioned in the vicinity of the appliance with a contacts opening distance of at least 3mm as envisioned by the current regulations on the subject Respect the polarity between the neutral phase during connection of the appliance Make sure that the water plant pipes are not used as earth points for the electric or telephone plant This piping is not suitable for this purpose moreover ...

Страница 21: ...R04 remote time control is able to interact with the appliance Proceed as follow for the electric refer to the figure 5 11 lay a bi polar electric cable with minimum section of 1 5 mm from the appliance to the CR04 remote time control The cable must also be shielded Shield must be connected to the earth from the side of the appliance The maximum length permitted is 100 metres remove the casing and...

Страница 22: ... water sanitary tap and wait until the hot water temperature is stable 5 close the hot water sanitary tap 6 check that after 50 seconds after closing the tap tap icon on the display has stopped flashing 7 if the tap icon keeps flashing it means that the internal pump can run the water in the secondary return circuit to a value above 2 l min verifiable on the parameter 1062 8 operate on the valve A...

Страница 23: ...t see figure 5 14 detail 8 6 connect the electric power of the storage tank pump to EP terminals of the water heater 7 set the parameters 3012 1 and 3041 15 the water temperature stored inside the storage tank can be chosen by the user in a range between 40 and 60 C ATTENTION A domestic hot water temperature level exceeding 51 C can cause permanent injury damage to persons animals and objects Chil...

Страница 24: ...nk load pump 8 Storage tank sensor 9 Domestic utilities 10 Hydraulic safety unit by the installer 11 Cold water inlet 12 Some state require this safety pressure temperature relief valve 13 Non return valve 14 Recirculation pump if present The recirculation line is not mandatory Figure 5 13 Curve of residual pressure for the storage tank charging with internal pump see figure 4 7 Prevalenza residua...

Страница 25: ...pproved are given in the features table at the end of the manual under type and o the features plate affixed to the appliance also under type The symbols used to define exhaust is reported below B23 separated with intake in room and exhaust through wall or roof ATTENTION If the appliance is installed with the B23 type exhaust it will take in air for combustion from the surrounding environment Ther...

Страница 26: ...ngs must be increased by at least 50 The flow of air can also be obtained from an adjacent room as long as it has direct ventilation in compliance with the previous points only this gas appliance is installed in the room to be ventilated the adjacent room is not a bedroom the adjacent room is not a common part of the building the adjacent room is not an environment with fire hazard such as a hanga...

Страница 27: ...e appliance If several appliances are installed each one must envision its own condensate drain The fumes exhaust air intake system can be extended up to a maximum distance as indicated in section 9 Every 90 bend has a loss equivalent to value on section 9 Every 45 bend has a loss equivalent to value on section 9 ATTENTION The exhaust flue terminal must be appropriately protected against the effec...

Страница 28: ...appliance If several appliances are installed each one must envision its own condensate drain The fumes exhaust air intake system can be extended up to a maximum distance as indicated in section 9 Every 90 bend has a loss equivalent to value on section 9 Every 45 bend has a loss equivalent to value on section 9 ATTENTION The exhaust flue terminal must be appropriately protected against the effects...

Страница 29: ...e the number after the code is used to recall the piece in the following drawings 62617306 N 10 PP roof terminal 62617244 N 12 90 bend M F PP 62617255 N 29 converts for pitched roofs from 15 up to 25 62617236 N 11 extension M F PP 62617249 N 18 anti slip bands for extensions PP 62617240 N 14 flexible hose M F PP L 20m 62617241 N 16 spacer for flexible hose 62617238 N 17 telescopic joint PP 6261724...

Страница 30: ... with the appliance pipes with condensate collection inside the appliance itself The intake must slope towards the outside to prevent rain water entering Figure 5 22 Example of 80 80 PP System installation Figure 5 23 Example of 80 80 PP System installation 5 INSTALLATION In figure 5 23 it is possible to see a separated type of fumes exhaust where fumes exhaust was realised with flexible hose in p...

Страница 31: ...t of the pipe itself ATTENTION Once these operations have been performed check that the exhaust intake terminal is exposed to the outdoors with the tolerances given in figure 5 30 Take particular care with the installation of pipes in the part that passes through the wall to the outside The normal maintenance operations must always be possible therefore install the pipes in a sheath so that they c...

Страница 32: ...ts positioned no more than 1 metre from each other The brackets must be fixed to rigid walls that can support the weight of the pipe itself ATTENTION Once these operations have been performed check that the exhaust intake terminal is exposed to the outdoors with the tolerances given in figure 5 30 Take particular care with the installation of pipes in the part that passes through the wall to the o...

Страница 33: ...r intake system the number after the code is used to recall the piece in the following drawings 62617255 N 2 converts for pitched roofs from 5 to 25 extension L 1000 mm 62617234 N 1 90 coaxial bend M F PP 62617252 N 6 45 coaxial bend M F PP 62617231 N 7 Coaxial extension L 1m PP 62617304 N 3 coaxial PP roof terminal 62617232 N 5 coaxial PP wall terminal 5 INSTALLATION ...

Страница 34: ...e exhaust pipe slope upwards in a way to make the condensate flow into the appliance ATTENTION The horizontal terminal must be protected against the accidental return of rain water To do this gables must be installed or projections or balconies or relevant protections with the minimum dimensions given in figure 5 30 Figure 5 30 Examples of coaxial pipe installations ...

Страница 35: ...the pipe itself ATTENTION Once these operations have been performed check that the exhaust intake terminal is exposed to the outdoors with the tolerances given in figure 5 34 Take particular care with the installation of pipes in the part that passes through the wall to the outside Normal maintenance operations must always be possible therefore install the pipes in a sheath so that they can slide ...

Страница 36: ...after the code is used to recall the piece in the following drawings 62617255 N 2 converts for pitched roofs from 5 to 25 extension L 1000 mm 62617321 N 1 90 coaxial bend M F PP 62617322 N 6 45 coaxial bend M F PP 62617323 N 7 Coaxial extension L 1m PP 62617325 N 3 coaxial PP roof terminal 62617324 N 5 coaxial PP wall terminal 5 INSTALLATION 62617255 62617321 62617322 62617323 62617324 62617325 ...

Страница 37: ... slope upwards in a way to make the condensate flow into the appliance ATTENTION The horizontal terminal must be protected against the accidental return of rain water To do this gables must be installed or projections or balconies or relevant protections with the minimum dimensions given in figure 5 34 Figure 5 34 Examples of coaxial pipe installations 5 INSTALLATION ...

Страница 38: ...nd 22 ATTENTION If the appliance remains off for more than 3 months the siphon must be filled again as explained above 6 2 General recommendations regarding the supply of gas For commissioning of the appliance have a professionally qualified technician perform the following checks That the appliance is powered by the type of fuel for which it is set up That the gas supply pressure with appliance o...

Страница 39: ...he electric power supply upstream from the appliance 2 open the appliance casing as reported in section 8 2 3 access the control and command board as reported in section 8 2 4 move the microswitch B from left to right to the ON position see figure 6 6 5 apply electric power to the appliance 6 the parameter 3001 will appear on the appliance s visual display followed by its value 7 using the and key...

Страница 40: ...lowing the procedure in section 6 6 25 open the CO2 adjustment screw completely see figure 6 12 detail A 26 control and adjust the CO2 following the procedure in section 6 7 27 instead of the label that identified the old state of adjustment apply the sticker onto the front casing of the appliance see figure 6 7 certifying the appliance s new state of adjustment as follows apply label B if the app...

Страница 41: ...end of the manual For its verification proceed as follows 1 close the gas supply manual valve 2 access the components inside the appliance following the procedure in section 8 2 3 loosen the pressure port A see figure 6 9 4 connect to a pressure gauge with resolution of at least 0 1 mbar 1 mmH2O 5 open the gas manual valve 6 check that the pressure does not exceed the value given in the table in s...

Страница 42: ...of CO2 5 once the check has been completed seal the screw A in figure 6 12 with red paint or similar system 6 follow section 7 8 to enter parameter 2010 and set it to Lou 7 open a DHW faucet to draw some water 8 now appliance will fire at minimum capacity 9 wait for the CO2 measurement to stabilise 10 compare the value measured with that given in the table in figure 6 8 CO2 minimum power 11 if the...

Страница 43: ...ctly tune the hot water temperature 6 9 Adjust the domestic hot water flow rate If the appliance is installed in a geographical area where the temperature of the cold water is very low the flow rate of domestic hot water that passes inside the appliance may have to be reduced It is therefore good practice to perform this adjustment 1 switch the appliance on 2 using the and keys adjust the temperat...

Страница 44: ...lay shows the appliance operating state as well as other information as indicated in section 7 9 Diagnostics Other parameters can be consulted through the User menu see section 7 7 which are useful for understanding operation of the appliance and to control the latest errors or lockout occurring After 5 minutes of normal operation the display switches off completely to save energy Just press any k...

Страница 45: ...our technician to change the maximum output temperature factory setting see section 11 7 5 Timings of the various functions To preserve the life of the appliance improve the generated comfort and increase energy savings have been inserted timings during operation These timings are Post circolation pump each time ending on the domestic service the pump continues to operate for 40 seconds Anti block...

Страница 46: ...or N A N A 1040 Current rotation speed of the fan rpm 1041 Fan rotation speed on ignition rpm 1042 Fan rotation speed in minimum power mode rpm 1043 Fan rotation speed in maximum power mode rpm 1051 Latest block condition recorded Loc see section 7 9 1 255 means no block 1052 Latest error condition recorded Err see section 7 9 2 255 means no error 1053 Number of times the burner has lost the flame...

Страница 47: ... the following table in order to facilitate the eventual replacement of the command and control board The following parameters can be changed or queried in this menu 7 USE Parameter Parameter Description M U Setting range Factory value Custo mised values 2001 Central heating minimum power level N A N A N A 1 N A 2002 Central heating maximum power level N A N A N A 100 N A 2003 Central heating oper...

Страница 48: ...always has priority over heating 2 2080 Periodic maintenance meter after RESET the meter automatically goes back to ON ON Periodic maintenance meter active OFF Periodic maintenance meter off RESE Meter reset OFF 2081 Periodic maintenance meter maintenance request time days From 0 to 1000 1000 2100 Energy saving display min OFF display always on From 1 to 30 delay to switch off in minutes 5 7 9 Dia...

Страница 49: ...an 20 hours Control the last error displayed in the board Operate according to the last error displayed Loc 5 Fan out of speed for more than 60 seconds Check that it is powered at 300 Vdc If the fan is powered it must be replaced alternatively replace the command and control board Loc 6 Fan error too slow Loc 7 Fan error too fast Loc 8 Parameters inside the E2prom memory incorrect Replace the comm...

Страница 50: ... operated fans If the ionisation current is not over 4 the CO2 must be checked follow section 6 7 and restore the correct value Check the ionisation electrode and replace it if necessary Check the integrity of the ionisation current electric circuit cables If a horizontal exhaust flue terminal is exposed to unusually high wind conditions or nearby mechanically operated fans then a suitable deflect...

Страница 51: ...nside the command board Replace the command and control board Err 113 Software error inside the command board Replace the command and control board Err 114 Flame detected in a moment when it should not be present Replace the gas valve Err 115 Central heating water low pressure N A N A N A Err 116 Central heating water pressure sensor error N A N A N A Err 117 Not applicable N A N A Err 118 Softwar...

Страница 52: ...cuit in short circuit condition Check that the electric resistance of the sensor matches the graphics in section 8 14 Check the electric cables for connection between the sensor and the command board If the electric resistance does not match replace it The electric circuit must be repaired if it is damaged Without either of the two previous cases replace the command and control board Err 129 Domes...

Страница 53: ...d set parameter 2080 on 0n 2 access parameter 2081 and set the appliance operating days which must pass between one call and the next The call will be completed with SEr on the display To remove the indication SEr and renew the call period operate as follows 1 access the Installer menu 2 access the parameter 2080 set it on rESE and press the RESET key 3 exit the Installer menu by pressing the RESE...

Страница 54: ... and connections Inspect all heater wiring making sure wires are in good condition and securely attached 8 2 Casing removal Proceed as follows to remove the casing refer to figure 8 2 1 pull the lower cover A towards the front for approx 10mm 2 push the lower cover A downwards 3 loosen the screws H 4 pull the lower part of the front piece B towards the front and then slide it out upwards until it ...

Страница 55: ...ace with spare parts kit following the instructions supplied with it With the thermal insulation must be replaced the burner gasket L and the two gaskets of the electrodes 8 4 Gas burner and heat exchanger outer surface cleaning procedure To correctly clean the burner and the heat exchanger exhaust flue side proceed as follows refer to figure 8 3 when not differently specified 1 access the interna...

Страница 56: ... is damaged DO NOT reuse the heat exchanger door must be replaced NOTICE Gasket is intended for sealing combustion If damaged DO NOT reuse the heat exchanger door must be replaced Consult factory for replacement heat exchanger door GASKET HEAT EXCHANGER DOOR G E C B A L F H D G E C B A L F H D 020003 01 062 ...

Страница 57: ...on to be removed 6 slide the support B outwards from the holding support 7 slide the tank C downwards paying attention to the fact that it is full of condensate water and this could escape 8 extract the siphon outwards see figure 8 5 paying attention to disconnect the collection pipes of the water coming from the upper part of the appliance and from the air vent valve 9 clean the decanting tank D ...

Страница 58: ...e surface of the burner must be between 5 5 and 6 5 mm Figure 8 8 Replacing the pump motor 8 MAINTENANCE Figure 8 7 positioning the electrodes on the burner 8 7 Circulation pump replacement procedure Operate as follows if the pump must be replaced refer to figure 8 8 1 empty the domestic hot water circuit following the procedure in section 8 10 2 disconnect the electric power supply upstream from ...

Страница 59: ...dual water from the pipes does not reach the control board 6 slide the flow meter B upwards and replace it Figure 8 10 Removing the safety valve 8 MAINTENANCE 8 9 Safety valve replacement procedure The safety valve detail A in figure 8 10 protects the appliance from over pressures If it has to be replaced proceed as follows refer to figure 8 10 1 empty the domestic hot water circuit following the ...

Страница 60: ...see section 7 8 and set it on FAn To go back to normal operating conditions set parameter 2010 again to 0FF 8 12 Gas burner minimum and maximum performance test mode procedure Appliance operation can be forced to its own minimum maximum adjusted or ignition power Proceed as follows 1 access parameter 2010 found in the installer menu see section 7 8 2 set the parameter 2010 at the following value a...

Страница 61: ...s value must be between 1 5 and 3 uA microampere at minimum power and between 5 and 8 uA at maximum power 8 14 Water temperature measurement sensor testing procedures The temperature sensors are positioned on the appliances exchanger body The electric resistance existing between the two contacts of the sensor must correspond with that stated in figure 8 11 The temperature sensors are 1001 1002 100...

Страница 62: ...ollow on of the cables in the next page 8 MAINTENANCE 1001 D H W outlet temperature sensor 1 1002 D H W outlet temperature sensor 1002 SB Storage tank sensor on request 1005 D H W outlet temperature safety sensor 2 1006 Exhaust flue sensor 1 1007 Cold water inlet sensor 1014 Exhaust flue safety sensor 2 CM Appliance control unit and flame control CR Remote control CR01 CR04 Remote control CR04 DSP...

Страница 63: ...er switch J1 8 pin Molex connector J12 6 pin Molex connector J2 6 pin Molex connector J26 4 pin Molex connector J3 10 pin Molex connector J4 6 pin Stelvio connector J5 4 pin Molex connector J6 14 pin Molex connector J7 10 pin Molex connector J9 4 pin Molex connector PB Storage tank pump on request SDC Connection board TF High limit flue gas temperature fuse TU Domestic hot water flow meter VG1 Gas...

Страница 64: ...g diagram Figure 8 13 Multi wire wiring diagram Key see key figure 8 12 8 MAINTENANCE COLOR OF DIAGRAM CABLE ARANCIO ORANGE BIANCO WHITE BLU BLUE GIALLO YELLOW GIALLO VERDE YELLOW GREEN GRIGIO GREY MARRONE BROWN NERO BLACK ROSSO RED VERDE GREEN ...

Страница 65: ...65 AGUADENS COSMOGAS 8 MAINTENANCE ...

Страница 66: ...ower supply voltage V 230 230 230 Rated power supply frequency Hz 50 50 50 Absorbed electric power W 169 162 235 Electric protection degree IPX4D IPX4D IPX4D Exhaust flue and air intake pipe diameter split mm 80 80 80 Exhaust flue pipe max length split 80 m 20 12 5 5 Air intake pipe max length split 80 m 20 12 5 5 Exhaust flue pipe diameter coaxial mm 60 100 60 100 80 125 Exhaust flue pipe max len...

Страница 67: ...usly for a time in seconds indicated by the number Press and release the key Press and release the key Parameters that can be displayed in normal operating conditions see section 7 9 Use menu parameters see section 7 7 Installer menu parameters see section 7 8 Installer menu parameters see section 7 8 Use menu access see section 7 7 Installer menu access see section 7 8 Return to normal operation ...

Страница 68: ... N A N A N A 0 N A 3014 Instantaneous domestic hot water pre heat OFF No pre heat ON With pre heat OFF N A 3015 Maximum central heating temperature N A N A N A 80 N A 3016 Minimum central heating temperature N A N A N A 30 N A 3017 Pre heat mode N A N A N A 0 N A 3018 Minimum DHW temperature C From 30 to 75 40 3019 Maximum DHW temperature C From 30 to 75 60 3020 Domestic hot water flow rate sensor...

Страница 69: ...er CE type certificate PIN and fulfils the requirements of the following Directives Gas Appliances 2009 142 EC Performance 92 42 EEC modified by EU Reg 813 2013 Low Voltage 2014 35 EU Electromagnetic Compatibility 2014 30 EU Product surveillance is done by the notified body according to form C The warranty number is the same as the serial number This declaration is issued as established by the afo...

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Страница 72: ...COSMOGAS s r l Via L da Vinci 16 47014 MELDOLA FC ITALY info cosmogas com www cosmogas com ...

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